WO2023190347A1 - 車両用駆動装置 - Google Patents
車両用駆動装置 Download PDFInfo
- Publication number
- WO2023190347A1 WO2023190347A1 PCT/JP2023/012206 JP2023012206W WO2023190347A1 WO 2023190347 A1 WO2023190347 A1 WO 2023190347A1 JP 2023012206 W JP2023012206 W JP 2023012206W WO 2023190347 A1 WO2023190347 A1 WO 2023190347A1
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- Prior art keywords
- gear
- opening
- carrier
- oil
- planetary
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0469—Bearings or seals
- F16H57/0471—Bearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing
- B60K17/165—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing provided between independent half axles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
- F16H37/0806—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with a plurality of driving or driven shafts
- F16H37/0813—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with a plurality of driving or driven shafts with only one input shaft
- F16H37/082—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with a plurality of driving or driven shafts with only one input shaft and additional planetary reduction gears
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
- F16H57/0424—Lubricant guiding means in the wall of or integrated with the casing, e.g. grooves, channels, holes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0427—Guidance of lubricant on rotary parts, e.g. using baffles for collecting lubricant by centrifugal force
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/043—Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0476—Electric machines and gearing, i.e. joint lubrication or cooling or heating thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0479—Gears or bearings on planet carriers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0482—Gearings with gears having orbital motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0482—Gearings with gears having orbital motion
- F16H57/0483—Axle or inter-axle differentials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0482—Gearings with gears having orbital motion
- F16H57/0486—Gearings with gears having orbital motion with fixed gear ratio
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K2007/0038—Disposition of motor in, or adjacent to, traction wheel the motor moving together with the wheel axle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2306/00—Other features of vehicle sub-units
- B60Y2306/03—Lubrication
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2410/00—Constructional features of vehicle sub-units
- B60Y2410/10—Housings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2410/00—Constructional features of vehicle sub-units
- B60Y2410/102—Shaft arrangements; Shaft supports, e.g. bearings
Definitions
- the present invention provides a rotating electric machine including a rotor, a pair of output members each drivingly connected to a wheel, a reducer that decelerates the rotation of the rotor, and a drive of the rotor that is transmitted via the reducer.
- the present invention relates to a vehicle drive device including a differential gear mechanism that distributes force to the pair of output members.
- Patent Document 1 Japanese Unexamined Patent Publication No. 2021-124183
- the symbols shown in parentheses in the column of explanation of the background art are those of Patent Document 1.
- a path (440) is provided.
- the in-shaft oil passage (440) communicates with two oil holes (442, 443) that open on the outer peripheral surface of the pinion shaft (44).
- the oil discharged from these oil holes (442, 443) lubricates the needle bearing (NB) that supports the inner peripheral surface of the stepped pinion gear (43).
- oil is introduced into the shaft oil passage (440) from an introduction passage (441) provided at one location in the axial direction, and oil is introduced from the shaft oil passage (440). Oil is distributed to each of the first oil hole (442) and the second oil hole (443).
- oil is distributed to each of the first oil hole (442) and the second oil hole (443).
- the difference in the amount of oil flowing between the first oil hole (442) and the second oil hole (443) becomes too large, such as when there is insufficient oil flowing into the second oil hole (443). be.
- lubrication may become insufficient in some areas, which may be a factor that shortens the life of the needle bearing (NB).
- the characteristic configuration of the vehicle drive device is as follows: a shaft member into which the driving force of the driving source is input;
- a vehicle drive device comprising: a speed reducer that reduces the rotation of the shaft member and outputs it to an output member drivingly connected to a wheel,
- the speed reducer is a planetary gear mechanism including a planetary gear having a first gear part and a second gear part, and a carrier rotatably supporting the planetary gear,
- the direction along the rotational axis of the carrier is an axial direction, one side in the axial direction is a first axial side, and the other side in the axial direction is a second axial side, which is perpendicular to the rotational axis of the carrier.
- the carrier includes a support shaft disposed to penetrate inside the planet gear in the radial direction of the planet in the axial direction, a first oil receiver part, and a second oil receiver part,
- a planetary bearing is disposed between a shaft outer circumferential surface that is an outer circumferential surface of the support shaft and a gear inner circumferential surface that is an inner circumferential surface of the planetary gear
- the carrier is provided with a first oil passage and a second oil passage
- the first gear part is arranged on the first side in the axial direction with respect to the second gear part,
- the first oil passage includes a first side opening that opens to a first side surface of the carrier, which is a side surface of the carrier facing the first side in the axial direction, and a first outer peripheral opening that opens to the outer peripheral surface of the shaft.
- the second oil passage includes a second side opening opening on a second side surface of the carrier, which is a side surface facing the second axial side of the carrier, and a second side opening on the second axial side of the first outer peripheral opening.
- the second outer circumferential opening is arranged to overlap the second gear part when viewed in the planetary radial direction
- the first oil receiving portion is provided so as to protrude from the first side surface of the carrier toward the first side in the axial direction, and is configured to guide oil supplied from the inside in the radial direction of the carrier to the first side opening.
- formed in The second oil receiving portion is provided so as to protrude from the second side surface of the carrier toward the second side in the axial direction, and is configured to guide oil supplied from the inside in the radial direction of the carrier to the second side opening. It is located at the point where it is formed.
- the first oil path is supplied with the oil guided from the first oil receiver provided on the first side surface of the carrier to the first side opening
- the second oil path is supplied with the oil guided from the first oil receiver provided on the first side surface of the carrier.
- Oil guided to the second side opening is supplied from the second oil receiving portion provided on the two side surfaces.
- the oil introduced into the first oil passage is supplied to the first outer opening
- the oil introduced into the second oil passage is supplied to the second outer opening.
- the planetary bearing can be appropriately lubricated.
- the inner circumferential surface of the first gear part can be appropriately lubricated by the oil discharged from the first outer circumferential opening.
- the oil discharged from the second outer peripheral opening can appropriately lubricate the inner peripheral surface of the second gear part.
- a cross-sectional view along the axial direction of a vehicle drive device according to an embodiment.
- Skeleton diagram of a vehicle drive device according to an embodiment
- a partially enlarged view of a cross-sectional view along the axial direction of the vehicle drive device according to the embodiment End view when cut along the IV-IV cross section in Figure 3
- the vehicle drive device 100 includes a shaft member 2 into which the driving force of a drive source is input, and an output member 5 that decelerates the rotation of the shaft member 2 and is drivingly connected to the wheels W. It is equipped with a reducer 3 that outputs an output to.
- the drive source is a rotating electrical machine 1 that includes a rotor 12 that rotates integrally with a shaft member 2 .
- a pair of output members 5 are provided, and the vehicle drive device 100 is a differential gear that distributes the driving force of the rotor 12 transmitted via the reducer 3 to the pair of output members 5. It is equipped with a mechanism 4.
- Each of the pair of output members 5 is drivingly connected to the wheel W.
- rotating electrical machine is used as a concept that includes a motor, a generator, and, if necessary, a motor/generator that functions as both a motor and a generator.
- driving connection refers to a state in which two rotating elements are connected so that driving force can be transmitted, a state in which the two rotating elements are connected so that they rotate integrally, or a state in which the two rotating elements are connected so that they rotate together.
- Such transmission members include various members that transmit rotation at the same speed or at variable speeds, such as shafts, gear mechanisms, belts, chains, and the like.
- the transmission member may include an engagement device that selectively transmits rotation and driving force, such as a friction engagement device, a meshing engagement device, and the like.
- drive connection it refers to a state in which the rotating elements are connected to each other without intervening other rotating elements.
- the speed reducer 3 is a planetary gear mechanism that includes a planetary gear PG that includes a first gear part PG1 and a second gear part PG2, and a carrier C that rotatably supports the planetary gear PG.
- the speed reducer 3 is configured to change the rotation speed of the shaft member 2.
- the differential gear mechanism 4 is configured to distribute the driving force from the rotating electric machine 1 transmitted via the reducer 3 to the pair of wheels W.
- the reduction gear 3 and the differential gear mechanism 4 are arranged coaxially.
- the rotor 12, reduction gear 3, and differential gear mechanism 4 are arranged coaxially. More specifically, the rotor 12, the speed reducer 3, and the differential gear mechanism 4 are arranged in the order described from the first axial side L1 to the second axial side L2.
- the direction along the rotational axis CA of the carrier C (hereinafter referred to as carrier axis CA) will be referred to as the "axial direction L.”
- One side in the axial direction L is referred to as the “first axial side L1”
- the other side in the axial direction L is referred to as the “second axial side L2”.
- the direction perpendicular to the carrier axis CA is defined as the “carrier radial direction CR.”
- the outer side of the carrier in the radial direction CR is referred to as the “carrier radially outer side CR réelle", and the inner side of the carrier in the radial direction CR is referred to as the "carrier radially inner side CRi”.
- the direction perpendicular to the rotational axis PA of the planetary gear PG (hereinafter referred to as planetary axis PA) is the planetary radial direction PR.
- the direction in which the planet revolves around the planetary axis PA is referred to as the "planetary circumferential direction PC.”
- the vehicle drive device 100 includes a case 9.
- the case 9 houses the rotating electric machine 1, the shaft member 2, the reduction gear 3, and the differential gear mechanism 4.
- the case 9 includes a first case part 91, a second case part 92, and a cover part 93.
- the case 9 corresponds to a "non-rotating member".
- the first case portion 91 includes a first peripheral wall portion 910.
- the first peripheral wall portion 910 is formed in a cylindrical shape to cover the rotating electric machine 1 from the outer side CR Handbook in the carrier radial direction.
- the second case portion 92 includes a second peripheral wall portion 920, a second side wall portion 921, and a partition wall portion 922.
- the second peripheral wall portion 920 is formed in a cylindrical shape to cover the reducer 3 and the differential gear mechanism 4 from the outer side CR réelle in the carrier radial direction.
- the second side wall portion 921 is formed to extend from the second peripheral wall portion 920 to the carrier radially inner side CRi.
- the second side wall part 921 is integrally formed with the second peripheral wall part 920 so as to close the opening on the second axial side L2 of the second peripheral wall part 920.
- the second peripheral wall portion 920 is joined to the first peripheral wall portion 910 from the second axial side L2.
- the partition wall portion 922 is arranged so as to partition, in the axial direction L, an area where the rotating electric machine 1 is placed and an area where the reducer 3 and the differential gear mechanism 4 are placed.
- the partition wall portion 922 is arranged between the rotating electric machine 1 and the reduction gear 3 in the axial direction L.
- the partition wall portion 922 is fixed to the second peripheral wall portion 920.
- the cover portion 93 is formed to cover the first axial side L1 of the rotating electrical machine 1.
- the cover portion 93 is joined to the first peripheral wall portion 910 from the first axial side L1 so as to close the opening on the first axial side L1 of the first peripheral wall portion 910.
- the rotating electric machine 1 includes a stator 11 and a rotor 12.
- the stator 11 includes a cylindrical stator core 11a.
- Stator core 11a is fixed to a non-rotating member.
- the stator core 11a is fixed to a first peripheral wall portion 910 of the case 9 as a non-rotating member.
- the rotor 12 includes a cylindrical rotor core 12a. Rotor core 12a is rotatably supported relative to stator core 11a.
- the rotating electrical machine 1 is an inner rotor type rotating electrical machine. Therefore, the rotor core 12a is arranged on the inside CRi in the carrier radial direction with respect to the stator core 11a.
- the rotating electrical machine 1 is a rotating field type rotating electrical machine. Therefore, the stator 11 further includes a stator coil 11b. Although not shown, the rotor core 12a is provided with a permanent magnet.
- the shaft member 2 is connected to the rotor 12 so as to rotate integrally therewith.
- the shaft member 2 is formed into a cylindrical shape having an axis along the axial direction L.
- the shaft member 2 is disposed on the inner side CRi in the carrier radial direction with respect to the rotor core 12a so as to be coaxial with the rotor core 12a.
- the shaft member 2 is arranged so as to protrude from the rotor core 12a on both sides in the axial direction L.
- a portion of the shaft member 2 that protrudes from the rotor core 12a toward the first axial side L1 is rotatably supported by the cover portion 93 of the case 9.
- a portion of the shaft member 2 that protrudes from the rotor core 12a toward the second axial side L2 is arranged to penetrate the partition wall 922 of the case 9 in the axial direction L, and is rotatably supported by the partition wall 922.
- the shaft member 2 is arranged so as to penetrate the carrier radially inner side CRi in the axial direction L with respect to the reducer 3.
- the reduction gear 3 includes a planetary gear PG including a first gear part PG1 and a second gear part PG2, and a carrier C that rotatably supports the planetary gear PG.
- the reducer 3 includes a sun gear SG that meshes with the first gear part PG1, a first ring gear RG1 that meshes with the first gear part PG1, and a second ring gear RG2 that meshes with the second gear part PG2.
- the first gear part PG1 and the second gear part PG2 are arranged side by side in the axial direction L. Specifically, the first gear part PG1 is arranged on the first axial side L1 with respect to the second gear part PG2. On the contrary, the second gear part PG2 is arranged on the second axial side L2 with respect to the first gear part PG1. In this embodiment, the first gear part PG1 has a larger diameter than the second gear part PG2. On the contrary, the second gear part PG2 has a smaller diameter than the first gear part PG1.
- the carrier C includes a support shaft PS that is arranged to penetrate in the axial direction L inside the planetary gear PG in the planetary radial direction PR.
- the support shaft PS rotatably supports the planetary gear PG.
- the carrier C has a first supported portion Ca disposed on the first axial side L1 with respect to the first gear portion PG1, and a first supported portion Ca disposed on the second axial side L2 with respect to the second gear portion PG2.
- a second supported portion Cb is provided.
- the first supported portion Ca is provided with a first oil receiving portion OR1 that receives oil supplied from the carrier radially inner side CRi.
- the second supported portion Cb is provided with a second oil receiving portion OR2 that receives oil supplied from the carrier radially inner side CRi. That is, the carrier C includes a first oil receiver OR1 and a second oil receiver OR2.
- the first supported part Ca is rotatably supported by the case 9 via the first bearing B1.
- the first bearing B1 is a thrust bearing disposed between the first supported part Ca and the case 9 in the axial direction L.
- the first bearing B1 is disposed between a portion of the first supported portion Ca located on the inner side CRi in the carrier radial direction than the support shaft PS and the partition wall portion 922 of the case 9 in the axial direction L. ing.
- the first supported portion Ca supports a portion of the support shaft PS that protrudes toward the first axial side L1 than the first gear portion PG1.
- the second supported portion Cb is rotatably supported by a portion of the differential gear mechanism 4 (in this example, a differential case 41 to be described later) via a second bearing B2.
- the second bearing B2 is a thrust bearing disposed between the second supported portion Cb and the differential case 41 in the axial direction L.
- the second bearing B2 is arranged in the axial direction between a portion of the second supported portion Cb located on the inner side CRi in the carrier radial direction than the support shaft PS and a first support portion 411 of the differential case 41, which will be described later. It is located between L.
- the second supported portion Cb supports a portion of the support shaft PS that protrudes toward the second axial side L2 than the second gear portion PG2.
- a planetary bearing PB is arranged between a shaft outer circumferential surface PSf, which is the outer circumferential surface of the support shaft PS, and a gear inner circumferential surface PGf, which is the inner circumferential surface of the planetary gear PG.
- the planetary bearing PB includes a first rolling part PB1 including a plurality of first rolling elements R1, and is arranged on a second axial side L2 with respect to the first rolling part PB1. It includes a second rolling part PB2 including a second rolling element R2, and a support frame PBs that supports the first rolling part PB1 and the second rolling part PB2 (see also FIGS. 4 and 5). ).
- the planetary bearing PB is configured using a needle bearing.
- Sun gear SG is connected to rotor 12 (see FIG. 1) so as to rotate integrally with it.
- sun gear SG is integrally connected to shaft member 2 and is configured to rotate integrally with rotor 12 and shaft member 2.
- the first ring gear RG1 is fixed to the case 9 as a non-rotating member.
- the first ring gear RG1 is fixed to the partition wall portion 922 of the case 9.
- the second ring gear RG2 is connected to the input element of the differential gear mechanism 4.
- the second ring gear RG2 is connected to a connecting portion 411c of the differential case 41, which will be described later.
- the differential gear mechanism 4 includes a differential case 41, a differential shaft member 42, an input bevel gear 43, a pair of output bevel gears 44, a first output member 45, A second output member 46.
- the first output member 45 is the output member 5 on the first axial side L1 of the pair of output members 5
- the second output member 46 is the output member 5 on the second axial side L2 of the pair of output members 5.
- This is the output member 5. That is, in this embodiment, the pair of output members 5 are components of the differential gear mechanism 4.
- the differential shaft member 42 is arranged to extend along the carrier radial direction CR.
- the differential shaft member 42 is supported by the differential case 41 so as to rotate integrally with the differential case 41.
- a configuration in which a plurality of differential shaft members 42 are distributed in a circumferential direction along the carrier radial direction CR (for example, when viewed in the axial direction L along the axial direction L, four differential shaft members 42 are arranged in a cross shape).
- the input bevel gear 43 is rotatably supported by the differential shaft member 42.
- the input bevel gear 43 is configured to freely rotate (rotate) around the differential shaft member 42 and to freely rotate (revolution) around the rotation axis of the differential case 41 .
- an input bevel gear 43 is attached to each of the plurality of differential shaft members 42.
- the pair of output side bevel gears 44 mesh with the input side bevel gear 43.
- the pair of output side bevel gears 44 are arranged separately on both sides of the differential shaft member 42 in the axial direction L.
- the first output member 45 is a cylindrical member that is integrally formed with the output bevel gear 44 that is disposed on the first axial side L1 of the pair of output bevel gears 44.
- the second output member 46 is a cylindrical member that is integrally formed with the output bevel gear 44 that is disposed on the second axial side L2 of the pair of output bevel gears 44.
- the first output member 45 is connected to rotate integrally with the first drive shaft 51
- the second output member 46 is connected to rotate integrally with the second drive shaft 52.
- the first output member 45 is arranged to cover the outer periphery of the output shaft 50 and is engaged with the output shaft 50 by spline.
- the output shaft 50 is connected to the first drive shaft 51 at the end of the first axial side L1 so as to rotate together with the first drive shaft 51 (spline engagement here).
- the second output member 46 is connected to the second drive shaft 52 so as to rotate integrally with the second drive shaft 52 without using the output shaft 50.
- the second output member 46 is disposed to cover the outer periphery of the second drive shaft 52 and is engaged with the second drive shaft 52 by spline.
- Each of the first drive shaft 51 and the second drive shaft 52 is drivingly connected to the wheel W (see FIG. 2).
- the first drive shaft 51 is drivingly connected to the wheel W on the first axial side L1
- the second drive shaft 52 is drivingly connected to the wheel W on the second axial side L2.
- the output shaft 50 is arranged to pass through the carrier radially inner CRi in the axial direction L with respect to the sun gear SG of the reducer 3 and the shaft member 2. Further, the output shaft 50 passes through the cover portion 93 of the case 9 in the axial direction L, and is rotatably supported by the cover portion 93. A portion of the output shaft 50 that passes through the cover portion 93 is formed into a cylindrical shape so as to cover the outer periphery of the first drive shaft 51 and is engaged with the first drive shaft 51 by spline.
- the differential case 41 includes a first support portion 411 that supports the output bevel gear 44 disposed on the first axial side L1 of the pair of output bevel gears 44 from the first axial side L1, and It includes a second support portion 412 that supports the output side bevel gear 44 disposed on the second axial side L2 of the side bevel gears 44 from the second axial side L2.
- the first support portion 411 includes a radially extending portion 411a extending along the carrier radial direction CR, and a first axially extending portion 411a extending from the end of the carrier radially inner side CRi in the radially extending portion 411a.
- An axially extending portion 411b extending along the side L1.
- the radial extending portion 411a of the first support portion 411 is a portion that supports the output bevel gear 44, which is disposed on the first axial side L1 of the pair of output bevel gears 44, from the first axial side L1. be.
- the radially extending portion 411a of the first support portion 411 is provided with a connecting portion 411c that connects with the second ring gear RG2.
- the connecting portion 411c is formed at the end of the carrier radially outer side CRées in the radially extending portion 411a of the first support portion 411.
- a cylindrical first inner circumferential surface 411f is formed in the axially extending portion 411b of the first support portion 411 (see FIG. 3).
- the first inner circumferential surface 411f faces the first outer circumferential surface 45f, which is the outer circumferential surface of the first output member 45, from the carrier radially outer side CR Reason.
- the second support part 412 includes a radially extending part 412a extending along the carrier radial direction CR, and a second axially extending part 412a extending from the end of the carrier radially inner side CRi in the radially extending part 412a.
- An axially extending portion 412b extending along the side L2.
- the radially extending portion 412a of the second support portion 412 is a portion that supports the output bevel gear 44, which is disposed on the second axial side L2 of the pair of output bevel gears 44, from the second axial side L2. be.
- the axially extending portion 412b of the second support portion 412 is formed in a cylindrical shape along the axial direction L.
- the axially extending portion 412b of the second support portion 412 faces the outer circumferential surface of the second output member 46 from the outer side CRées in the carrier radial direction.
- the vehicle drive device 100 includes an oil supply system for supplying oil to each part.
- the oil thus supplied is used to lubricate or cool each part of the vehicle drive device 100.
- the vehicle drive device 100 includes an in-case oil passage formed so as to extend in the carrier radial direction CR inside the case 9 (more specifically, the cover portion 93). P9, and an in-shaft oil passage P5 formed to extend in the axial direction L inside the output shaft 50.
- the in-case oil passage P9 communicates with the in-shaft oil passage P5 via a connecting oil passage P50 formed in the output shaft 50.
- Oil is supplied to the case oil passage P9 by an oil pump (not shown).
- the oil supplied to the case oil passage P9 is introduced into the shaft oil passage P5 via the connecting oil passage P50, and flows through the shaft oil passage P5 toward the second axial side L2.
- the output shaft 50 is formed with at least a first intra-shaft branch oil passage P51 and a second intra-shaft branch oil passage P52 for supplying oil to the reduction gear 3.
- Each of the first intra-shaft branch oil passage P51 and the second intra-shaft branch oil passage P52 is provided in the arrangement area of the reducer 3 in the axial direction L, and branches from the intra-shaft oil passage P5 to the carrier radial direction outer CRées. It is formed to do so.
- the first intra-shaft branch oil passage P51 is arranged closer to the first axial side L1 than the second intra-shaft branch oil passage P52.
- the second intra-shaft branch oil passage P52 is arranged on the second axial side L2 than the first intra-shaft branch oil passage P51. Although a detailed explanation will be omitted, the output shaft 50 is provided with various locations in the vehicle drive device 100 where oil is required (for example, in addition to the first intra-shaft branch oil passage P51 and the second intra-shaft branch oil passage P52) An oil passage for supplying oil to the rotating electric machine 1, etc.) is formed.
- the vehicle drive device 100 includes an oil supply section 8 that supplies oil from the in-shaft oil passage P5 to the reduction gear 3.
- the oil supply section 8 includes a first supply section 81 that supplies oil from the carrier radially inner side CRi to the first oil receiver OR1 of the carrier C, and a first supply section 81 that supplies oil from the carrier radially inner side CRi to the second oil receiver OR2 of the carrier C in the carrier radial direction.
- a second supply section 82 that supplies oil from the inner CRi.
- the first supply section 81 is provided in the shaft member 2.
- the first supply portion 81 is formed to penetrate the shaft member 2 in the carrier radial direction CR.
- oil discharged from the first intra-shaft branch oil passage P51 is mainly introduced into the first supply portion 81 from the carrier radially inner side CRi.
- the oil introduced into the first supply part 81 is discharged to the outer side CR réelle of the carrier C in the radial direction than the first supply part 81, and is supplied to the first side L1 in the axial direction of the carrier C. This oil is supplied to the first oil receiving portion OR1 of the carrier C.
- the second supply section 82 is provided in the differential gear mechanism 4.
- the second supply portion 82 is formed to penetrate the first support portion 411 in the differential gear mechanism 4, specifically, the axially extending portion 411b of the first support portion 411 in the carrier radial direction CR.
- the oil discharged from the second intra-shaft branch oil passage P52 is mainly introduced into the second supply portion 82 from the carrier radially inner side CRi.
- the oil introduced into the second supply section 82 is discharged to the carrier radially outer side CRées from the second supply section 82 and is supplied to the second axial side L2 of the carrier C. This oil is supplied to the second oil receiving portion OR2 of the carrier C.
- the vehicle drive device 100 includes: a shaft member 2 disposed so as to penetrate in the axial direction L through an inner side CRi in the carrier radial direction CR with respect to the reducer 3; a first supply section 81 that supplies oil from the inner side CRi in the carrier radial direction CR to the first oil receiving section OR1; a second supply part 82 that supplies oil from the inner side CRi in the carrier radial direction CR to the second oil receiving part OR2;
- the first supply section 81 is provided in the shaft member 2,
- the second supply section 82 is provided in the differential gear mechanism 4.
- oil can be appropriately supplied to each of the first oil receiver OR1 and the second oil receiver OR2.
- the carrier C is provided with a first oil passage CP1 and a second oil passage CP2.
- the support shaft PS in the carrier C is provided with a first oil passage CP1 and a second oil passage CP2.
- the first oil passage CP1 includes a first side opening PSs1 that opens to the carrier first side surface Cf1, which is a side surface facing the first axial side L1 of the carrier C, and a first outer circumferential opening PS disagree1 that opens to the shaft outer circumferential surface PSf. It is formed so as to communicate with.
- the first oil passage CP1 is formed to extend along the axial direction L. More specifically, the first oil passage CP1 is formed to extend along the axis (planetary axis PA) of the support shaft PS.
- the carrier C is provided with a first branch oil passage P10 that branches from the first oil passage CP1 to the outside in the planetary radial direction PR.
- the first branch oil passage P10 communicates the first oil passage CP1 and the first outer peripheral opening PS Wenn1. Therefore, in this example, the first oil passage CP1 communicates the first side opening PSs1 and the first outer peripheral opening PS disagree1 via the first branch oil passage P10.
- the first oil receiving portion OR1 described above is provided so as to protrude from the carrier first side surface Cf1 to the first axial side L1, and guides the oil supplied from the carrier radially inner side CRi to the first side opening PSs1. It is formed like this. As a result, the oil guided to the first side opening PSs1 by the first oil receiving part OR1 flows through the first oil passage CP1 and the first branch oil passage P10, and flows from the first outer opening PS Cincinnati1 to the shaft outer periphery. It is discharged to the outside of the plane PSf.
- the second oil passage CP2 has a second side opening PSs2 that opens to the carrier second side surface Cf2, which is a side surface of the carrier C facing the second axial side L2, and a second side opening PSs2 that is on the second side in the axial direction than the first outer peripheral opening PS Wenn1. It is formed so as to communicate with a second outer circumferential opening PS Cincinnati2 that opens to the shaft outer circumferential surface PSf at L2.
- the second oil passage CP2 is formed to extend along the axial direction L. More specifically, the second oil passage CP2 is formed to extend along the axis (planetary axis PA) of the support shaft PS.
- the first oil passage CP1 and the second oil passage CP2 are arranged so as to overlap each other when viewed in the axial direction L.
- the carrier C is provided with a second branch oil passage P20 that branches from the second oil passage CP2 to the outside in the planetary radial direction PR.
- the second branch oil passage P20 communicates the second oil passage CP2 and the second outer peripheral opening PS Wenn2. Therefore, in this example, the second oil passage CP2 communicates the second side opening PSs2 and the second outer peripheral opening PS Cincinnati2 via the second branch oil passage P20.
- the above-described second oil receiving portion OR2 is provided so as to protrude from the carrier second side surface Cf2 to the second axial side L2, and is configured to transfer oil supplied from the inner side CRi in the carrier radial direction CR to the second side opening PSs2. It is designed to lead to.
- the oil guided to the second side opening PSs2 by the second oil receiver OR2 flows through the second oil passage CP2 and the second branch oil passage P20, and flows from the second outer opening PS Cincinnati2 to the shaft outer periphery. It is discharged to the outside of the plane PSf.
- the vehicle drive device 100 is A rotating electric machine 1 including a rotor 12, a pair of output members 5 each drivingly connected to a wheel W; a reducer 3 that decelerates the rotation of the rotor 12; A vehicle drive device 100 comprising a differential gear mechanism 4 that distributes the driving force of a rotor 12 transmitted via a speed reducer 3 to a pair of output members 5,
- the reducer 3 is a planetary gear mechanism that includes a planetary gear PG that includes a first gear part PG1 and a second gear part PG2, and a carrier C that rotatably supports the planetary gear PG.
- the direction along the rotation axis CA of the carrier C is the axial direction L, one side of the axial direction L is the first axial side L1, the other side of the axial direction L is the second axial side L2, and the rotation of the carrier C
- the direction perpendicular to the axis CA is the carrier radial direction CR
- the direction perpendicular to the rotational axis PA of the planetary gear PG is the planetary radial direction PR.
- the first gear part PG1 and the second gear part PG2 are arranged side by side in the axial direction L,
- the carrier C includes a support shaft PS disposed to penetrate inside the planetary gear PG in the axial direction L in the planetary radial direction PR, a first oil receiver OR1, and a second oil receiver OR2.
- a planetary bearing PB is disposed between a shaft outer circumferential surface PSf that is an outer circumferential surface of the support shaft PS and a gear inner circumferential surface PGf that is an inner circumferential surface of the planetary gear PG,
- the carrier C is provided with a first oil passage CP1 and a second oil passage CP2,
- the first oil passage CP1 includes a first side opening PSs1 that opens to the carrier first side surface Cf1, which is a side surface facing the first axial side L1 of the carrier C, and a first outer circumferential opening PS disagree1 that opens to the shaft outer circumferential surface PSf.
- the second oil passage CP2 has a second side opening PSs2 that opens to the carrier second side surface Cf2, which is a side surface of the carrier C facing the second axial side L2, and a second side opening PSs2 that is on the second side in the axial direction than the first outer peripheral opening PS Wenn1. formed so as to communicate with a second outer circumferential opening PS Wenn2 that opens to the shaft outer circumferential surface PSf at L2,
- the first oil receiving portion OR1 is provided to protrude from the carrier first side surface Cf1 to the first axial side L1, and guides oil supplied from the inner side CRi in the carrier radial direction CR to the first side opening PSs1.
- the second oil receiving portion OR2 is provided to protrude from the carrier second side surface Cf2 to the second axial side L2, and guides oil supplied from the inner side CRi in the carrier radial direction CR to the second side opening PSs2. It is formed like this.
- the first oil passage CP1 is supplied with oil guided from the first oil receiving part OR1 provided on the carrier first side surface Cf1 to the first side opening PSs1, and the second oil passage CP2 Oil is supplied to the second side opening PSs2 from the second oil receiving portion OR2 provided on the second side surface Cf2 of the carrier.
- the oil introduced into the first oil passage CP1 is supplied to the first outer opening PS Cincinnati1, and the oil introduced into the second oil passage CP2 is supplied to the second outer opening PS disagree2.
- oil can be received by both the first oil receiver OR1 and the second oil receiver OR2 and supplied to the shaft outer circumferential surface PSf, making it easy to secure the required amount of oil.
- the first oil passage CP1 and the second oil passage CP2 are separated from each other and do not communicate with each other.
- the oil introduced into the first oil passage CP1 from the first side opening PSs1 is supplied to the first outer opening PS Cincinnati1 without being supplied to the second outer opening PS disagree2.
- the oil introduced into the second oil passage CP2 from the second side opening PSs2 is supplied to the second outer opening PS confuse2 without being supplied to the first outer opening PS disagree1. Therefore, oil can be appropriately supplied to each of the first outer peripheral opening PS Cincinnati1 and the second side opening PSs2 through separate routes.
- the first outer peripheral opening PS Cosmetic1 is arranged to overlap with the first gear part PG1 when viewed in the planetary radial direction PR along the planetary radial direction PR.
- the first outer peripheral opening PS disagree1 is arranged so as to overlap the first rolling part PB1 when viewed in the planetary radial direction PR along the planetary radial direction PR.
- the second outer peripheral opening PS disagree2 is arranged so as to overlap the second gear part PG2 when viewed in the planetary radial direction PR.
- the second outer peripheral opening PS disagree2 is arranged so as to overlap the second rolling part PB2 when viewed in the planetary radial direction PR.
- a third outer circumferential opening PS disagree3 that opens to the shaft outer circumferential surface PSf is provided between the first outer circumferential opening PS disagree1 and the second outer circumferential opening PS disagree2 in the axial direction L.
- the third outer peripheral opening PS disagree3 opens to the shaft outer peripheral surface PSf between the first rolling part PB1 and the second rolling part PB2 in the axial direction L.
- Either one of the first side opening PSs1 and the second side opening PSs2 communicates with the third outer peripheral opening PS Cincinnati3.
- the first side opening PSs1 communicates with the third outer peripheral opening PS Cincinnati3.
- the carrier C is provided with a third branch oil passage P30 that branches from the first oil passage CP1 to the outside in the planetary radial direction PR.
- the third branch oil passage P30 communicates the first oil passage CP1 and the third outer peripheral opening PS Wenn3. Therefore, in this example, the first oil passage CP1 communicates the first side opening PSs1 and the third outer peripheral opening PS Cincinnati3 via the third branch oil passage P30. Therefore, the oil guided to the first side opening PSs1 by the first oil receiving part OR1 flows through the first oil passage CP1 and the third branch oil passage P30, and flows from the third outer opening PS Cincinnati3 to the shaft outer peripheral surface. It is discharged to the outside of PSf.
- the first outer circumferential opening PS disagree1, the second outer circumferential opening PS disagree2, and the third outer circumferential opening PS disagree3 open to the shaft outer circumferential surface PSf at different positions in the axial direction L.
- the position in the planetary circumferential direction PC where the first outer circumferential opening PS disagree1 opens to the shaft outer circumferential surface PSf is determined by the meshing position between the first gear part PG1 and the other gears. It is determined based on the influence of pressure on the shaft outer circumferential surface PSf. As shown in FIG.
- the position in the planetary circumferential direction PC where the second outer circumferential opening PS disagree2 opens to the shaft outer circumferential surface PSf is determined by the pressure of meshing between the second gear part PG2 and another gear exerted on the shaft outer circumferential surface PSf. Defined based on impact. As shown in FIG. 6, the position in the planetary circumferential direction PC where the third outer peripheral opening PS Cincinnati3 opens to the shaft outer peripheral surface PSf is determined based on the relationship with the amount of oil discharged, regardless of the meshing of the plurality of gears. . In this embodiment, the third outer circumferential opening PS Cincinnati3 is opened so as to face the outer side CRées in the carrier radial direction.
- the planetary bearing PB includes a first rolling part PB1 including a plurality of first rolling elements R1, and a plurality of second rolling elements R2, which is disposed on a second axial side L2 with respect to the first rolling part PB1.
- a support frame PBs that supports the first rolling part PB1 and the second rolling part PB2 The first outer peripheral opening PS disagree1 is arranged so as to overlap the first rolling part PB1 when viewed in the planetary radial direction PR along the planetary radial direction PR, The second outer peripheral opening PS disagree2 is arranged so as to overlap the second rolling part PB2 in the planetary radial direction PR view,
- a third outer circumferential opening PS disagree3 that opens to the shaft outer circumferential surface PSf is provided between the first rolling part PB1 and the second rolling part PB2 in the axial direction L, Either one of the first side opening PSs1 and the second side opening PSs2 communicates with the third outer peripheral opening PS Cincinnati3,
- the third outer peripheral opening PS disagree3 is opened so as to face the outer side CRées in the carrier radial direction CR.
- the first rolling part PB1 and the second rolling part PB2 of the planetary bearing PB can be appropriately lubricated, and the axial direction L of the first rolling part PB1 and the second rolling part PB2 is Oil can also be supplied in between.
- the central region in the axial direction L of the support frame PBs of the planetary bearing PB can also be appropriately lubricated. Therefore, even if the support frame PBs is bent due to the centrifugal force accompanying the rotation of the carrier C, wear caused by sliding between the support frame PBs and the gear inner peripheral surface PGf and the shaft outer peripheral surface PSf can be reduced. I can do it.
- the third outer circumferential opening PS Wenn3 tends to have a high degree of coincidence between the flow direction of oil to the third outer circumferential opening PS Cincinnati3 and the direction of centrifugal force acting on the oil when the carrier C rotates. Since the opening is directed toward the outer side CRées in the carrier radial direction, the third outer circumferential opening PS Cincinnati3 is arranged on the downstream side in the oil flow direction with respect to the first outer circumferential opening PS Cincinnati1 or the second outer circumferential opening PS disagree2. Even in the case where the oil is supplied from the third outer circumferential opening PS disagree3, it is easy to ensure the amount of oil supplied from the third outer circumferential opening PS disagree3.
- the carrier C crosses the carrier axis CA.
- the first outer circumferential opening PS Cincinnati1 and the second outer circumferential opening PS Cincinnati2 are opened in a region other than the radially inner region ARi (hereinafter referred to as the radially outer region AR réelle) on the shaft outer circumferential surface PSf. ing.
- the oil can be appropriately discharged from each of the first outer peripheral opening PS Cincinnati1 and the second outer peripheral opening PS Cincinnati2 by using the centrifugal force that acts on the oil when the carrier C rotates.
- the first outer circumferential opening PS disagree1 and the second outer circumferential opening PS disagree2 open at different positions in the planetary circumferential direction PC on the shaft outer circumferential surface PSf. That is, in the present embodiment, the pressure of meshing between the first gear part PG1 and other gears has an influence on the shaft outer circumferential surface PSf, and the pressure of meshing between the second gear part PG2 and other gears has an influence on the shaft outer circumferential surface PSf. The effects they have are different from each other.
- the position in the planetary circumferential direction PC where the first outer circumferential opening PS disagree1 opens to the shaft outer circumferential surface PSf and the position in the planetary circumferential direction PC where the second outer circumferential opening PS disagree2 opens to the shaft outer circumferential surface PSf are the same as those described above. Established based on impact.
- the reducer 3 includes a sun gear SG that meshes with the first gear part PG1, a first ring gear RG1 that meshes with the first gear part PG1, and a second ring gear RG2 that meshes with the second gear part PG2, Sun gear SG is connected to rotate integrally with rotor 12,
- the first ring gear RG1 is fixed to a non-rotating member (case 9 in this example)
- the second ring gear RG2 is connected to an input element (here, the connecting portion 411c) of the differential gear mechanism 4,
- the direction in which the planetary gear PG revolves around the rotation axis PA is the planetary circumferential direction PC
- the first outer circumferential opening PS disagree1 and the second outer circumferential opening PS disagree2 open at different positions in the planetary circumferential direction PC.
- the first gear part PG1 meshes with both the sun gear SG and the first ring gear RG1, but the second gear part PG2 meshes only with the second ring gear RG2. Therefore, the position on the shaft outer circumferential surface PSf where the load tends to increase may be different in the planetary circumferential direction PC between the portion corresponding to the first gear portion PG1 and the portion corresponding to the second gear portion PG2. According to this configuration, even in such a case, by opening the first outer circumferential opening PS Cincinnati1 and the second outer circumferential opening PS disagree2 at different positions in the planet circumferential direction PC, each part of the shaft outer circumferential surface PSf is It becomes easier to supply oil appropriately.
- the side on which the planetary gear PG rotates while the vehicle is moving forward is defined as a forward rotation side PC1
- the opposite side is defined as a reverse rotation side PC2.
- the engagement between the first gear part PG1 and the other gears acts on the shaft outer circumferential surface PSf via the first gear part PG1 and the planetary bearing PB.
- the position in the planetary circumferential direction PC where the load in the planetary radial direction PR is maximum is defined as a first load supporting position F1.
- the position in the planet circumferential direction PC where the above load is maximum while the vehicle is moving forward is defined as the first load support position F1.
- the first load support position F1 is set at a position where the resultant force of the forces in each direction acting due to the meshing of the first gear part PG1 and the sun gear SG and the meshing of the first gear part PG1 and the first ring gear RG1 is maximum. Ru.
- the first load support position F1 is appropriately set through experiments and the like.
- the first outer peripheral opening PS disagree1 is arranged adjacent to the rotation direction reverse side PC2 with respect to the first load supporting position F1.
- the first outer circumferential opening PS disagree1 is arranged within a range of 90 degrees or less on the rotation direction reverse side PC2 with respect to the first load supporting position F1.
- the first outer peripheral opening PS disagree1 is disposed within a range of 10° to 45° on the reverse rotational direction side PC2 with respect to the first load supporting position F1.
- the first outer circumferential opening PS disagree1 is arranged in the radially outer region ARées. Therefore, in the present embodiment, the first outer circumferential opening PS Cincinnati1 is in the radially outer area ARées and within a range of 90 degrees or less (preferably (within a range of 10° to 45°).
- the position in the planet circumferential direction PC where the load in the direction PR is maximum is defined as a second load support position F2.
- the position in the planetary circumferential direction PC where the above load is maximum while the vehicle is moving forward is defined as the second load support position F2.
- the second load support position F2 is set at a position where the resultant force of the forces in each direction acting due to the meshing of the second gear portion PG2 and the second ring gear RG2 is maximum.
- the second load support position F2 is appropriately set through experiments and the like.
- the second outer peripheral opening PS disagree2 is arranged adjacent to the rotation direction reverse side PC2 with respect to the second load support position F2.
- the second outer peripheral opening PS disagree2 is arranged within a range of 90 degrees or less on the rotation direction reverse side PC2 with respect to the second load support position F2.
- the second outer circumferential opening PS disagree2 is disposed within a range of 10° to 45° on the reverse rotational direction side PC2 with respect to the second load supporting position F2.
- the second outer circumferential opening PS disagree2 is arranged in the radially outer region ARées. Therefore, the second outer circumferential opening PS Cincinnati2 is located in the radially outer area ARées and within a range of 90° or less (preferably 10° to 45°) on the reverse rotation side PC2 with respect to the second load supporting position F2. within the range of
- the first gear part PG1 is arranged on the first axial side L1 with respect to the second gear part PG2,
- the first outer peripheral opening PS disagree1 is arranged to overlap with the first gear part PG1 when viewed in the planetary radial direction PR along the planetary radial direction PR
- the second outer peripheral opening PS disagree2 is arranged to overlap with the second gear part PG2 in the planetary radial direction PR view
- the side in which the planetary gear PG rotates while the vehicle is moving forward is defined as a normal rotational direction PC1
- the opposite side thereof is defined as a reverse rotational direction PC2
- the direction in which the planetary gear PG revolves around the rotational axis PA is defined as a planetary circumferential direction PC.
- the position in the planetary circumferential direction PC where the The position in the planetary circumferential direction PC where the load in the planetary radial direction PR acting on the shaft outer circumferential surface PSf through is the maximum is set as the second load support position F2
- the first outer peripheral opening PS disagree1 is arranged adjacent to the rotation direction reverse side PC2 with respect to the first load support position F1
- the second outer peripheral opening PS disagree2 is arranged adjacent to the rotation direction reverse side PC2 with respect to the second load support position F2.
- the first outer peripheral opening PS Wenn1 that supplies oil to the first gear part PG1 is arranged adjacent to the rotation direction reverse side PC2 with respect to the first load support position F1. Therefore, by rotating the first gear portion PG1 toward the normal rotation side PC1 in the rotation direction, oil is appropriately applied to the first load supporting position F1 located adjacent to the normal rotation side PC1 in the rotation direction with respect to the first outer peripheral opening PS Cincinnati1. can be supplied to Further, a second outer peripheral opening PS Cincinnati2 that supplies oil to the second gear part PG2 is arranged adjacent to the rotation direction reverse side PC2 with respect to the second load support position F2.
- oil is appropriately applied to the second load supporting position F2 located adjacent to the normal rotation side PC1 in the rotation direction with respect to the second outer peripheral opening PS Wenn2. can be supplied to Therefore, according to this configuration, oil can be appropriately supplied to both the first load support position F1 and the second load support position F2, where the load tends to increase while the vehicle is moving forward.
- the third outer opening PS Cincinnati3 is disposed closest to the carrier radially outer side CRées. Therefore, if we consider only the positional relationship in the planet circumferential direction PC (that is, if we ignore the positional relationship in the axial direction L of each outer circumferential opening), the amount of oil discharged from the third outer circumferential opening PS Cincinnati3 is likely to be the largest. .
- the first outer circumferential opening PS Cincinnati1 is arranged on the outer side CRées in the carrier radial direction than the second outer circumferential opening PS disagree2 (see FIGS. 4 and 5).
- the second oil passage CP2 through which the oil guided by the second oil receiving part OR2 flows includes the first outer opening PS Cincinnati1, the second outer opening PS Cincinnati2, and the second oil passage CP2.
- the second oil passage CP2 is a dedicated passage for the second outer peripheral opening PS Cincinnati2. Therefore, all (or most) of the oil flowing through the second oil passage CP2 is supplied to the second outer peripheral opening PS Cincinnati2, where the amount of oil discharged tends to be small due to the opening position in the planetary circumferential direction PC. I can do it.
- the third outer circumferential opening PS Cosmetic3 which can easily secure a larger amount of oil to be discharged than the first outer circumferential opening PS Cincinnati1 due to the opening position in the planet circumferential direction PC, is located at the third outer circumferential opening PS Cincinnati3 in the first oil passage CP1. 1 is disposed on the downstream side of the outer peripheral opening PS Cincinnati1 in the oil flow direction. That is, the third outer circumferential opening PS Cincinnati3 is arranged on the second axial side L2 of the first outer circumferential opening PS Cincinnati1 in the first oil passage CP1.
- the opening positions of the first outer circumferential opening PS Cosmetic1, the second outer circumferential opening PS Cincinnati2, and the third outer circumferential opening PS Cincinnati3 are made different in the planetary circumferential direction PC and the axial direction L. This prevents large deviations in the amount of oil discharged from each of the first outer circumferential opening PS Cincinnati1, the second outer circumferential opening PS Cincinnati2, and the third outer circumferential opening PS disagree3.
- the first oil passage CP1 and the second oil passage CP2 are separated from each other and are not in communication with each other.
- the first oil passage CP1 and the second oil passage CP2 may communicate with each other without being limited to such a configuration.
- a constriction part (not shown) that restricts the amount of oil flowing between the first oil passage CP1 and the second oil passage CP2 is provided in the communication path between the first oil passage CP1 and the second oil passage CP2. (omitted) is also suitable.
- the first side opening PSs1 is in communication with the third outer peripheral opening PS Wenn3.
- the configuration is not limited to such a configuration, and the second side opening PSs2 may communicate with the third outer peripheral opening PS Cincinnati3.
- the third branch oil passage P30 is formed to communicate not with the first oil passage CP1 but with the second oil passage CP2 and the third outer peripheral opening PS Cincinnati3.
- the first outer circumferential opening PS disagree1 and the second outer circumferential opening PS disagree2 are opened at different positions in the planetary circumferential direction PC on the shaft outer circumferential surface PSf.
- the first outer circumferential opening PS disagree1 and the second outer circumferential opening PS disagree2 may be The openings may be opened at the same position in the planetary circumferential direction PC on the outer circumferential surface PSf.
- the third outer circumferential opening PS Cincinnati3 is opened so as to face the outer side CRées in the carrier radial direction.
- the third outer circumferential opening PS Cincinnati3 may be opened so as to face in a direction shifted from the carrier radially outer side CRées.
- the third outer circumferential opening PS Cincinnati3 is arranged in the first oil passage CP1 on the downstream side of the first outer circumferential opening PS disagree1 in the oil flow direction.
- the third outer circumferential opening PS Cincinnati3 may be arranged on the upstream side of the first outer circumferential opening PS Cincinnati1 in the oil flow direction. That is, the third outer circumferential opening PS Cincinnati3 may be arranged in the first oil passage CP1 on the first side L1 in the axial direction than the first outer circumferential opening PS disagree1.
- the first supply section 81 is provided in the shaft member 2, and the second supply section 82 is provided in the differential gear mechanism 4.
- the first supply section 81 may be configured to supply oil to the first oil receiving section OR1 of the carrier C from the carrier radially inner side CRi, and may be provided at any location in the vehicle drive device 100.
- the second supply section 82 may be configured to supply oil to the second oil receiving section OR2 of the carrier C from the carrier radially inner side CRi, and may be placed at any location in the vehicle drive device 100. provided.
- the driving source is the rotating electrical machine 1 including the rotor 12 that rotates integrally with the shaft member 2.
- the present invention is not limited to such a configuration, and an internal combustion engine as a drive source may be provided outside the vehicle drive device 100.
- the vehicle drive device 100 includes an input member that is drivingly connected to the internal combustion engine, and the driving force of the internal combustion engine is input to the vehicle drive device 100 via the input member.
- the vehicle drive device 100 is configured to include the differential gear mechanism 4 that distributes the driving force of the rotor 12 transmitted via the reducer 3 to the pair of output members 5.
- the configuration is not limited to such a configuration, and the rotation of the rotor 12 transmitted via the reducer 3 may be transmitted to a single output member 5 (and thus a single wheel W).
- Such a configuration can be suitably applied to a vehicle drive device 100 provided in a so-called in-wheel motor type vehicle.
- a vehicle drive device (100) comprising a reduction gear (3) that decelerates the rotation of the shaft member (2) and outputs it to an output member (5) that is drivingly connected to a wheel (W),
- the reduction gear (3) includes a planetary gear (PG) including a first gear part (PG1) and a second gear part (PG2), and a carrier (C) that rotatably supports the planetary gear (PG).
- the carrier (C) includes a support shaft (PS) arranged to penetrate inside the planetary gear (PG) in the planetary radial direction (PR) in the axial direction (L), and a first oil comprising a receiving part (OR1) and a second oil receiving part (OR2),
- a planetary bearing (PB) is disposed between a shaft outer circumferential surface (PSf) that is an outer circumferential surface of the support shaft (PS) and a gear inner circumferential surface (PGf) that is an inner circumferential surface of the planetary gear (PG),
- the carrier (C) is provided with a first oil passage (CP1) and a second oil passage (CP2),
- the first gear part (PG1) is arranged on the first axial side (L1) with respect to the second gear part (PG2),
- the first oil passage (CP1) has a first side opening (PSs1) that opens
- the second oil receiving portion (OR2) is provided so as to protrude from the carrier second side surface (Cf2) to the second axial side (L2), and is supplied from the inside of the carrier in the radial direction (CR). is formed so as to guide the oil to the second side opening (PSs2).
- the first oil passage (CP1) contains oil guided from the first oil receiver (OR1) provided on the carrier first side surface (Cf1) to the first side opening (PSs1).
- the second oil passage (CP2) is supplied with oil guided from the second oil receiver (OR2) provided on the carrier second side (Cf2) to the second side opening (PSs2). .
- the oil introduced into the first oil passage (CP1) is supplied to the first outer opening (PS Cincinnati1), and the oil introduced into the second oil passage (CP2) is supplied to the second outer opening (PS disagree2). be done.
- the planetary bearing (PB) can be appropriately lubricated.
- the inner circumferential surface of the first gear part (PG1) can be appropriately lubricated by the oil discharged from the first outer circumferential opening (PS Cincinnati1).
- the oil discharged from the second outer peripheral opening (PS Cincinnati2) can appropriately lubricate the inner peripheral surface of the second gear part (PG2).
- the planetary bearing (PB) includes a first rolling part (PB1) including a plurality of first rolling elements (R1), and a second axial side (L2) with respect to the first rolling part (PB1). ), and supports a second rolling part (PB2) including a plurality of second rolling elements (R2), the first rolling part (PB1), and the second rolling part (PB2). and supporting frames (PBs),
- PB1 first rolling part
- PB2 second rolling part
- R2 second rolling part
- R2 second rolling part
- R2 second rolling part
- PB2 supporting frames
- a third outer peripheral opening (PS Wenn3) that opens to the shaft outer peripheral surface (PSf) is provided between the first rolling part (PB1) and the second rolling part (PB2) in the axial direction (L).
- PSs1 communicates with the third outer peripheral opening (PS doctor3).
- the first rolling portion (PB1) and the second rolling portion (PB2) of the planetary bearing (PB) can be appropriately lubricated, and the first rolling portion (PB1) and the second rolling portion Oil can also be supplied between the part (PB2) and the axial direction (L).
- the central region in the axial direction (L) of the support frame (PBs) of the planetary bearing (PB) can also be appropriately lubricated. Therefore, even if the support frame (PBs) is bent due to the centrifugal force accompanying the rotation of the carrier (C), the support frame (PBs), the gear inner circumferential surface (PGf), and the shaft outer circumferential surface (PSf) This can reduce wear caused by sliding.
- the side on which the planet gear (PG) rotates while the vehicle is moving forward is defined as the forward rotation side (PC1), the opposite side is defined as the reverse rotation side (PC2), and the rotation axis of the planet gear (PG) (
- the direction of orbiting around PA) is the planetary circumferential direction (PC)
- the planetary radial direction (PR) that acts on the shaft outer peripheral surface (PSf) through the first gear part (PG1) and the planetary bearing (PB) due to the meshing of the first gear part (PG1) with another gear. ) is the position in the planetary circumferential direction (PC) where the load is maximum.
- the first outer peripheral opening (PS 851) is arranged adjacent to the rotation direction reverse side (PC2) with respect to the first load supporting position (F1)
- the second outer peripheral opening (PS 852) is arranged adjacent to the rotation direction reverse side (PC2) with respect to the second load support position (F2)
- the third outer circumferential opening (PS 853) opens outward in the carrier radial direction (CR).
- the first outer peripheral opening (PS Exam1) that supplies oil to the first gear part (PG1) is adjacent to the rotation direction reverse side (PC2) with respect to the first load supporting position (F1). It is arranged as follows. Therefore, due to the rotation of the first gear part (PG1) toward the normal rotation side (PC1) in the rotation direction, the first Oil can be appropriately supplied to the load bearing position (F1). Further, the second outer peripheral opening (PS Wenn2) that supplies oil to the second gear part (PG2) is arranged adjacent to the rotation direction reverse side (PC2) with respect to the second load support position (F2). ing.
- the second gear part (PG2) located adjacent to the normal rotation side (PC1) in the rotation direction Oil can be appropriately supplied to the load bearing position (F2). Therefore, according to this configuration, oil can be appropriately supplied to both the first load support position (F1) and the second load support position (F2), where the load tends to increase while the vehicle is moving forward.
- the third outer circumferential opening (PS Wenn3) is arranged so that the direction of flow of oil to the third outer circumferential opening (PS Cincinnati3) and the direction of centrifugal force acting on the oil when the carrier (C) rotates are different.
- the third outer circumferential opening (PS 853) is different from the first outer circumferential opening (PSello1) or the second outer circumferential opening (PSello2). ), it is easy to ensure the amount of oil supplied from the third outer circumferential opening (PS Cincinnati if the third outer circumferential opening (PS Cincinnati 3) is disposed on the downstream side in the oil flow direction.
- the drive source is a rotating electric machine (1) including a rotor (12) that rotates integrally with the shaft member (2), A pair of the output members (5) are provided, A differential gear mechanism (4) that distributes the driving force of the rotor (12) transmitted via the speed reducer (3) to the pair of output members (5),
- the rotor (12), the speed reducer (3), and the differential gear mechanism (4) are arranged coaxially,
- the rotor (12), the speed reducer (3), and the differential gear mechanism (4) are arranged in the stated order from the first axial side (L1) to the second axial side (L2).
- the shaft member (2) is arranged to penetrate inside the carrier in the radial direction (CR) in the axial direction (L) with respect to the speed reducer (3); a first supply part (81) that supplies oil to the first oil receiving part (OR1) from inside in the carrier radial direction (CR); a second supply part (82) that supplies oil to the second oil receiving part (OR2) from inside in the carrier radial direction (CR),
- the first supply section (81) is provided in the shaft member (2),
- the second supply section (82) is provided in the differential gear mechanism (4).
- oil can be appropriately supplied to each of the first oil receiver (OR1) and the second oil receiver (OR2).
- the drive source is a rotating electric machine (1) including a rotor (12) that rotates integrally with the shaft member (2), A pair of the output members (5) are provided, A differential gear mechanism (4) that distributes the driving force of the rotor (12) transmitted via the speed reducer (3) to the pair of output members (5),
- the speed reducer (3) includes a sun gear (SG) that meshes with the first gear section (PG1), a first ring gear (RG1) that meshes with the first gear section (PG1), and a second gear section (PG2).
- a second ring gear (RG2) that meshes with the The sun gear (SG) is connected to rotate integrally with the rotor (12),
- the first ring gear (RG1) is fixed to a non-rotating member (9)
- the second ring gear (RG2) is connected to an input element of the differential gear mechanism (4),
- the direction in which the planetary gear (PG) revolves around the rotation axis (PA) is the planetary circumferential direction (PC),
- the first outer peripheral opening (PS Exam1) and the second outer peripheral opening (PS Wenn2) open at different positions in the planetary circumferential direction (PC).
- the first gear part (PG1) meshes with both the sun gear (SG) and the first ring gear (RG1), but the second gear part (PG2) meshes only with the second ring gear (RG2). Therefore, the positions on the shaft outer circumferential surface (PSf) where the load tends to be large are the part corresponding to the first gear part (PG1) and the part corresponding to the second gear part (PG2), in the planetary circumferential direction (PC). It may be different.
- the technology according to the present disclosure includes a rotating electric machine including a rotor, a pair of output members each drivingly connected to a wheel, a reducer that decelerates the rotation of the rotor, and a
- the present invention can be used in a vehicle drive device including a differential gear mechanism that distributes the driving force of the rotor to the pair of output members.
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Abstract
Description
駆動源の駆動力が入力される軸部材と、
前記軸部材の回転を減速して車輪に駆動連結される出力部材に出力する減速機と、を備えた車両用駆動装置であって、
前記減速機は、第1ギヤ部と第2ギヤ部とを備えた遊星ギヤと、前記遊星ギヤを回転自在に支持するキャリヤと、を備えた遊星歯車機構であり、
前記キャリヤの回転軸心に沿う方向を軸方向とし、前記軸方向の一方側を軸方向第1側とし、前記軸方向の他方側を軸方向第2側とし、前記キャリヤの回転軸心に直交する方向をキャリヤ径方向とし、前記遊星ギヤの回転軸心に直交する方向を遊星径方向として、
前記第1ギヤ部と前記第2ギヤ部とは、前記軸方向に並んで配置され、
前記キャリヤは、前記遊星ギヤに対して前記遊星径方向の内側を前記軸方向に貫通するように配置された支持軸と、第1油受け部と、第2油受け部と、を備え、
前記支持軸の外周面である軸外周面と前記遊星ギヤの内周面であるギヤ内周面との間に遊星軸受が配置され、
前記キャリヤには、第1油路と第2油路とが設けられ、
前記第1ギヤ部は、前記第2ギヤ部に対して前記軸方向第1側に配置され、
前記第1油路は、前記キャリヤにおける前記軸方向第1側を向く側面であるキャリヤ第1側面に開口する第1側面開口部と、前記軸外周面に開口する第1外周開口部と、を連通するように形成され、
前記第1外周開口部は、前記第1ギヤ部と前記遊星径方向に沿う遊星径方向視で重複するように配置され、
前記第2油路は、前記キャリヤにおける前記軸方向第2側を向く側面であるキャリヤ第2側面に開口する第2側面開口部と、前記第1外周開口部よりも前記軸方向第2側において前記軸外周面に開口する第2外周開口部と、を連通するように形成され、
前記第2外周開口部は、前記第2ギヤ部と前記遊星径方向視で重複するように配置され、
前記第1油受け部は、前記キャリヤ第1側面から前記軸方向第1側に突出するように設けられて、前記キャリヤ径方向の内側から供給された油を前記第1側面開口部に導くように形成され、
前記第2油受け部は、前記キャリヤ第2側面から前記軸方向第2側に突出するように設けられて、前記キャリヤ径方向の内側から供給された油を前記第2側面開口部に導くように形成されている点にある。
遊星軸心PAを周回する方向を「遊星周方向PC」とする。
また、本実施形態では、軸部材2は、減速機3に対してキャリヤ径方向内側CRiを軸方向Lに貫通するように配置されている。
本実施形態では、サンギヤSGは、軸部材2と一体的に連結されており、ロータ12及び軸部材2と一体的に回転するように構成されている。
第2支持部412の軸方向延在部412bは、第2出力部材46の外周面に対して、キャリヤ径方向外側CRоから対向している。
これにより供給された油は、車両用駆動装置100の各部を潤滑または冷却するために用いられる。
ロータ12と減速機3と差動歯車機構4とが同軸上に配置されていると共に、
ロータ12、減速機3、及び差動歯車機構4が、軸方向第1側L1から軸方向第2側L2に向けて記載の順に配置され、
車両用駆動装置100は、
減速機3に対してキャリヤ径方向CRの内側CRiを軸方向Lに貫通するように配置された軸部材2と、
第1油受け部OR1に対してキャリヤ径方向CRの内側CRiから油を供給する第1供給部81と、
第2油受け部OR2に対してキャリヤ径方向CRの内側CRiから油を供給する第2供給部82と、を備え、
第1供給部81は、軸部材2に設けられ、
第2供給部82は、差動歯車機構4に設けられている。
ロータ12を備えた回転電機1と、
それぞれが車輪Wに駆動連結される一対の出力部材5と、
ロータ12の回転を減速する減速機3と、
減速機3を介して伝達されるロータ12の駆動力を一対の出力部材5に分配する差動歯車機構4と、を備えた車両用駆動装置100であって、
減速機3は、第1ギヤ部PG1と第2ギヤ部PG2とを備えた遊星ギヤPGと、遊星ギヤPGを回転自在に支持するキャリヤCと、を備えた遊星歯車機構であり、
キャリヤCの回転軸心CAに沿う方向を軸方向Lとし、軸方向Lの一方側を軸方向第1側L1とし、軸方向Lの他方側を軸方向第2側L2とし、キャリヤCの回転軸心CAに直交する方向をキャリヤ径方向CRとし、遊星ギヤPGの回転軸心PAに直交する方向を遊星径方向PRとして、
第1ギヤ部PG1と第2ギヤ部PG2とは、軸方向Lに並んで配置され、
キャリヤCは、遊星ギヤPGに対して遊星径方向PRの内側を軸方向Lに貫通するように配置された支持軸PSと、第1油受け部OR1と、第2油受け部OR2と、を備え、
支持軸PSの外周面である軸外周面PSfと遊星ギヤPGの内周面であるギヤ内周面PGfとの間に遊星軸受PBが配置され、
キャリヤCには、第1油路CP1と第2油路CP2とが設けられ、
第1油路CP1は、キャリヤCにおける軸方向第1側L1を向く側面であるキャリヤ第1側面Cf1に開口する第1側面開口部PSs1と、軸外周面PSfに開口する第1外周開口部PSо1と、を連通するように形成され、
第2油路CP2は、キャリヤCにおける軸方向第2側L2を向く側面であるキャリヤ第2側面Cf2に開口する第2側面開口部PSs2と、第1外周開口部PSо1よりも軸方向第2側L2において軸外周面PSfに開口する第2外周開口部PSо2と、を連通するように形成され、
第1油受け部OR1は、キャリヤ第1側面Cf1から軸方向第1側L1に突出するように設けられて、キャリヤ径方向CRの内側CRiから供給された油を第1側面開口部PSs1に導くように形成され、
第2油受け部OR2は、キャリヤ第2側面Cf2から軸方向第2側L2に突出するように設けられて、キャリヤ径方向CRの内側CRiから供給された油を第2側面開口部PSs2に導くように形成されている。
遊星軸受PBは、複数の第1転動体R1を備えた第1転動部PB1と、第1転動部PB1に対して軸方向第2側L2に配置されると共に複数の第2転動体R2を備えた第2転動部PB2と、第1転動部PB1と第2転動部PB2とを支持する支持枠PBsと、を備え、
第1外周開口部PSо1は、第1転動部PB1と遊星径方向PRに沿う遊星径方向PR視で重複するように配置され、
第2外周開口部PSо2は、第2転動部PB2と遊星径方向PR視で重複するように配置され、
第1転動部PB1と第2転動部PB2との軸方向Lの間において軸外周面PSfに開口する第3外周開口部PSо3が設けられ、
第1側面開口部PSs1及び第2側面開口部PSs2のいずれか一方は、第3外周開口部PSо3に連通しており、
第3外周開口部PSо3は、キャリヤ径方向CRの外側CRоを向くように開口している。
減速機3は、第1ギヤ部PG1に噛み合うサンギヤSGと、第1ギヤ部PG1に噛み合う第1リングギヤRG1と、第2ギヤ部PG2に噛み合う第2リングギヤRG2と、を備え、
サンギヤSGは、ロータ12と一体的に回転するように連結され、
第1リングギヤRG1は、非回転部材(本例ではケース9)に固定され、
第2リングギヤRG2は、差動歯車機構4の入力要素(ここでは連結部411c)に連結され、
遊星ギヤPGの回転軸心PAを周回する方向を遊星周方向PCとし、
第1外周開口部PSо1と第2外周開口部PSо2とは、遊星周方向PCの異なる位置に開口している。
第1ギヤ部PG1は、第2ギヤ部PG2に対して軸方向第1側L1に配置され、
第1外周開口部PSо1は、第1ギヤ部PG1と遊星径方向PRに沿う遊星径方向PR視で重複するように配置され、
第2外周開口部PSо2は、第2ギヤ部PG2と遊星径方向PR視で重複するように配置され、
車両の前進中に遊星ギヤPGが回転する側を回転方向正転側PC1とし、その反対側を回転方向逆転側PC2とし、遊星ギヤPGの回転軸心PAを周回する方向を遊星周方向PCとし、
第1ギヤ部PG1と他のギヤ(ここでは、サンギヤSG及び第1リングギヤRG1)との噛み合いによって第1ギヤ部PG1及び遊星軸受PBを介して軸外周面PSfに作用する遊星径方向PRの荷重が最大となる遊星周方向PCの位置を第1荷重支持位置F1とし、第2ギヤ部PG2と他のギヤ(ここでは、第2リングギヤRG2)との噛み合いによって第2ギヤ部PG2及び遊星軸受PBを介して軸外周面PSfに作用する遊星径方向PRの荷重が最大となる遊星周方向PCの位置を第2荷重支持位置F2として、
第1外周開口部PSо1は、第1荷重支持位置F1に対して回転方向逆転側PC2に隣接して配置され、
第2外周開口部PSо2は、第2荷重支持位置F2に対して回転方向逆転側PC2に隣接して配置されている。
次に、車両用駆動装置のその他の実施形態について説明する。
このような構成は、いわゆるインホイールモータ型の車両に備えられる車両用駆動装置100に好適に適用することができる。
前記軸部材(2)の回転を減速して車輪(W)に駆動連結される出力部材(5)に出力する減速機(3)と、を備えた車両用駆動装置(100)であって、
前記減速機(3)は、第1ギヤ部(PG1)と第2ギヤ部(PG2)とを備えた遊星ギヤ(PG)と、前記遊星ギヤ(PG)を回転自在に支持するキャリヤ(C)と、を備えた遊星歯車機構であり、
前記キャリヤ(C)の回転軸心(CA)に沿う方向を軸方向(L)とし、前記軸方向(L)の一方側を軸方向第1側(L1)とし、前記軸方向(L)の他方側を軸方向第2側(L2)とし、前記キャリヤ(C)の回転軸心(CA)に直交する方向をキャリヤ径方向(CR)とし、前記遊星ギヤ(PG)の回転軸心(PA)に直交する方向を遊星径方向(PR)として、
前記第1ギヤ部(PG1)と前記第2ギヤ部(PG2)とは、前記軸方向(L)に並んで配置され、
前記キャリヤ(C)は、前記遊星ギヤ(PG)に対して前記遊星径方向(PR)の内側を前記軸方向(L)に貫通するように配置された支持軸(PS)と、第1油受け部(OR1)と、第2油受け部(OR2)と、を備え、
前記支持軸(PS)の外周面である軸外周面(PSf)と前記遊星ギヤ(PG)の内周面であるギヤ内周面(PGf)との間に遊星軸受(PB)が配置され、
前記キャリヤ(C)には、第1油路(CP1)と第2油路(CP2)とが設けられ、
前記第1ギヤ部(PG1)は、前記第2ギヤ部(PG2)に対して前記軸方向第1側(L1)に配置され、
前記第1油路(CP1)は、前記キャリヤ(C)における前記軸方向第1側(L1)を向く側面であるキャリヤ第1側面(Cf1)に開口する第1側面開口部(PSs1)と、前記軸外周面(PSf)に開口する第1外周開口部(PSо1)と、を連通するように形成され、
前記第1外周開口部(PSо1)は、前記第1ギヤ部(PG1)と前記遊星径方向(PR)に沿う遊星径方向(PR)視で重複するように配置され、
前記第2油路(CP2)は、前記キャリヤ(C)における前記軸方向第2側(L2)を向く側面であるキャリヤ第2側面(Cf2)に開口する第2側面開口部(PSs2)と、前記第1外周開口部(PSо1)よりも前記軸方向第2側(L2)において前記軸外周面(PSf)に開口する第2外周開口部(PSо2)と、を連通するように形成され、
前記第2外周開口部(PSо2)は、前記第2ギヤ部(PG2)と前記遊星径方向(PR)視で重複するように配置され、
前記第1油受け部(OR1)は、前記キャリヤ第1側面(Cf1)から前記軸方向第1側(L1)に突出するように設けられて、前記キャリヤ径方向(CR)の内側から供給された油を前記第1側面開口部(PSs1)に導くように形成され、
前記第2油受け部(OR2)は、前記キャリヤ第2側面(Cf2)から前記軸方向第2側(L2)に突出するように設けられて、前記キャリヤ径方向(CR)の内側から供給された油を前記第2側面開口部(PSs2)に導くように形成されている。
前記第1転動部(PB1)と前記第2転動部(PB2)との前記軸方向(L)の間において前記軸外周面(PSf)に開口する第3外周開口部(PSо3)が設けられ、
前記第1側面開口部(PSs1)は、前記第3外周開口部(PSо3)に連通している、と好適である。
前記第1ギヤ部(PG1)と他のギヤとの噛み合いによって前記第1ギヤ部(PG1)及び前記遊星軸受(PB)を介して前記軸外周面(PSf)に作用する前記遊星径方向(PR)の荷重が最大となる前記遊星周方向(PC)の位置を第1荷重支持位置(F1)とし、前記第2ギヤ部(PG2)と他のギヤとの噛み合いによって前記第2ギヤ部(PG2)及び前記遊星軸受(PB)を介して前記軸外周面(PSf)に作用する前記遊星径方向(PR)の荷重が最大となる前記遊星周方向(PC)の位置を第2荷重支持位置(F2)として、
前記第1外周開口部(PSо1)は、前記第1荷重支持位置(F1)に対して前記回転方向逆転側(PC2)に隣接して配置され、
前記第2外周開口部(PSо2)は、前記第2荷重支持位置(F2)に対して前記回転方向逆転側(PC2)に隣接して配置され、
前記第3外周開口部(PSо3)は、前記キャリヤ径方向(CR)の外側を向くように開口している、と好適である。
前記出力部材(5)が一対設けられ、
前記減速機(3)を介して伝達される前記ロータ(12)の駆動力を一対の前記出力部材(5)に分配する差動歯車機構(4)を備え、
前記ロータ(12)と前記減速機(3)と前記差動歯車機構(4)とが同軸上に配置されていると共に、
前記ロータ(12)、前記減速機(3)、及び前記差動歯車機構(4)が、前記軸方向第1側(L1)から前記軸方向第2側(L2)に向けて記載の順に配置され、
前記減速機(3)に対して前記キャリヤ径方向(CR)の内側を前記軸方向(L)に貫通するように配置された前記軸部材(2)と、
前記第1油受け部(OR1)に対して前記キャリヤ径方向(CR)の内側から油を供給する第1供給部(81)と、
前記第2油受け部(OR2)に対して前記キャリヤ径方向(CR)の内側から油を供給する第2供給部(82)と、を備え、
前記第1供給部(81)は、前記軸部材(2)に設けられ、
前記第2供給部(82)は、前記差動歯車機構(4)に設けられている、と好適である。
前記出力部材(5)が一対設けられ、
前記減速機(3)を介して伝達される前記ロータ(12)の駆動力を一対の前記出力部材(5)に分配する差動歯車機構(4)を備え、
前記減速機(3)は、前記第1ギヤ部(PG1)に噛み合うサンギヤ(SG)と、前記第1ギヤ部(PG1)に噛み合う第1リングギヤ(RG1)と、前記第2ギヤ部(PG2)に噛み合う第2リングギヤ(RG2)と、を備え、
前記サンギヤ(SG)は、前記ロータ(12)と一体的に回転するように連結され、
前記第1リングギヤ(RG1)は、非回転部材(9)に固定され、
前記第2リングギヤ(RG2)は、前記差動歯車機構(4)の入力要素に連結され、
前記遊星ギヤ(PG)の回転軸心(PA)を周回する方向を遊星周方向(PC)とし、
前記第1外周開口部(PSо1)と前記第2外周開口部(PSо2)とは、前記遊星周方向(PC)の異なる位置に開口している、と好適である。
Claims (5)
- 駆動源の駆動力が入力される軸部材と、
前記軸部材の回転を減速して車輪に駆動連結される出力部材に出力する減速機と、を備えた車両用駆動装置であって、
前記減速機は、第1ギヤ部と第2ギヤ部とを備えた遊星ギヤと、前記遊星ギヤを回転自在に支持するキャリヤと、を備えた遊星歯車機構であり、
前記キャリヤの回転軸心に沿う方向を軸方向とし、前記軸方向の一方側を軸方向第1側とし、前記軸方向の他方側を軸方向第2側とし、前記キャリヤの回転軸心に直交する方向をキャリヤ径方向とし、前記遊星ギヤの回転軸心に直交する方向を遊星径方向として、
前記第1ギヤ部と前記第2ギヤ部とは、前記軸方向に並んで配置され、
前記キャリヤは、前記遊星ギヤに対して前記遊星径方向の内側を前記軸方向に貫通するように配置された支持軸と、第1油受け部と、第2油受け部と、を備え、
前記支持軸の外周面である軸外周面と前記遊星ギヤの内周面であるギヤ内周面との間に遊星軸受が配置され、
前記キャリヤには、第1油路と第2油路とが設けられ、
前記第1ギヤ部は、前記第2ギヤ部に対して前記軸方向第1側に配置され、
前記第1油路は、前記キャリヤにおける前記軸方向第1側を向く側面であるキャリヤ第1側面に開口する第1側面開口部と、前記軸外周面に開口する第1外周開口部と、を連通するように形成され、
前記第1外周開口部は、前記第1ギヤ部と前記遊星径方向に沿う遊星径方向視で重複するように配置され、
前記第2油路は、前記キャリヤにおける前記軸方向第2側を向く側面であるキャリヤ第2側面に開口する第2側面開口部と、前記第1外周開口部よりも前記軸方向第2側において前記軸外周面に開口する第2外周開口部と、を連通するように形成され、
前記第2外周開口部は、前記第2ギヤ部と前記遊星径方向視で重複するように配置され、
前記第1油受け部は、前記キャリヤ第1側面から前記軸方向第1側に突出するように設けられて、前記キャリヤ径方向の内側から供給された油を前記第1側面開口部に導くように形成され、
前記第2油受け部は、前記キャリヤ第2側面から前記軸方向第2側に突出するように設けられて、前記キャリヤ径方向の内側から供給された油を前記第2側面開口部に導くように形成されている、車両用駆動装置。 - 前記遊星軸受は、複数の第1転動体を備えた第1転動部と、前記第1転動部に対して前記軸方向第2側に配置されると共に複数の第2転動体を備えた第2転動部と、前記第1転動部と前記第2転動部とを支持する支持枠と、を備え、
前記第1転動部と前記第2転動部との前記軸方向の間において前記軸外周面に開口する第3外周開口部が設けられ、
前記第1側面開口部は、前記第3外周開口部に連通している、請求項1に記載の車両用駆動装置。 - 車両の前進中に前記遊星ギヤが回転する側を回転方向正転側とし、その反対側を回転方向逆転側とし、前記遊星ギヤの回転軸心を周回する方向を遊星周方向とし、
前記第1ギヤ部と他のギヤとの噛み合いによって前記第1ギヤ部及び前記遊星軸受を介して前記軸外周面に作用する前記遊星径方向の荷重が最大となる前記遊星周方向の位置を第1荷重支持位置とし、前記第2ギヤ部と他のギヤとの噛み合いによって前記第2ギヤ部及び前記遊星軸受を介して前記軸外周面に作用する前記遊星径方向の荷重が最大となる前記遊星周方向の位置を第2荷重支持位置として、
前記第1外周開口部は、前記第1荷重支持位置に対して前記回転方向逆転側に隣接して配置され、
前記第2外周開口部は、前記第2荷重支持位置に対して前記回転方向逆転側に隣接して配置され、
前記第3外周開口部は、前記キャリヤ径方向の外側を向くように開口している、請求項2に記載の車両用駆動装置。 - 前記駆動源は、前記軸部材と一体的に回転するロータを備えた回転電機であり、
前記出力部材が一対設けられ、
前記減速機を介して伝達される前記ロータの駆動力を一対の前記出力部材に分配する差動歯車機構を備え、
前記ロータと前記減速機と前記差動歯車機構とが同軸上に配置されていると共に、
前記ロータ、前記減速機、及び前記差動歯車機構が、前記軸方向第1側から前記軸方向第2側に向けて記載の順に配置され、
前記減速機に対して前記キャリヤ径方向の内側を前記軸方向に貫通するように配置された前記軸部材と、
前記第1油受け部に対して前記キャリヤ径方向の内側から油を供給する第1供給部と、
前記第2油受け部に対して前記キャリヤ径方向の内側から油を供給する第2供給部と、を備え、
前記第1供給部は、前記軸部材に設けられ、
前記第2供給部は、前記差動歯車機構に設けられている、請求項1から3のいずれか一項に記載の車両用駆動装置。 - 前記駆動源は、前記軸部材と一体的に回転するロータを備えた回転電機であり、
前記出力部材が一対設けられ、
前記減速機を介して伝達される前記ロータの駆動力を一対の前記出力部材に分配する差動歯車機構を備え、
前記減速機は、前記第1ギヤ部に噛み合うサンギヤと、前記第1ギヤ部に噛み合う第1リングギヤと、前記第2ギヤ部に噛み合う第2リングギヤと、を備え、
前記サンギヤは、前記ロータと一体的に回転するように連結され、
前記第1リングギヤは、非回転部材に固定され、
前記第2リングギヤは、前記差動歯車機構の入力要素に連結され、
前記遊星ギヤの回転軸心を周回する方向を遊星周方向とし、
前記第1外周開口部と前記第2外周開口部とは、前記遊星周方向の異なる位置に開口している、請求項1から4のいずれか一項に記載の車両用駆動装置。
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| US18/726,320 US12449032B2 (en) | 2022-03-31 | 2023-03-27 | Vehicle drive device |
| EP23780357.2A EP4435295A4 (en) | 2022-03-31 | 2023-03-27 | VEHICLE DRIVE DEVICE |
| CN202380021590.3A CN118696189A (zh) | 2022-03-31 | 2023-03-27 | 车辆用驱动装置 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08319810A (ja) * | 1995-05-25 | 1996-12-03 | Toyota Motor Corp | 動力伝達機構の潤滑装置 |
| JP2006214580A (ja) * | 2005-01-07 | 2006-08-17 | Aisin Aw Co Ltd | 潤滑構造及び変速機構 |
| JP2006266305A (ja) * | 2005-03-22 | 2006-10-05 | Toyota Motor Corp | プラネタリギヤの潤滑装置 |
| JP2016098986A (ja) * | 2014-11-26 | 2016-05-30 | トヨタ自動車株式会社 | 車両用駆動装置 |
| JP2021095952A (ja) * | 2019-12-17 | 2021-06-24 | 本田技研工業株式会社 | 動力伝達装置の潤滑構造 |
| JP2021124183A (ja) | 2020-02-06 | 2021-08-30 | ジヤトコ株式会社 | 動力伝達装置 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5643127A (en) | 1995-03-06 | 1997-07-01 | Toyota Jidosha Kabushiki Kaisha | Vehicle power transmission having fluid-tight enclosure accommodating lubricating points and storing lubricating oil delivered from mechanical oil pump |
| DE10307221A1 (de) * | 2003-02-20 | 2004-09-02 | Zf Friedrichshafen Ag | Planetenradträger |
| US20100267508A1 (en) * | 2009-04-16 | 2010-10-21 | Djh Engineering Center, Inc. | Direct drive electric shift two speed planetary gearbox |
| US8905885B2 (en) * | 2011-02-04 | 2014-12-09 | Aisin Aw Co., Ltd. | Vehicle drive device |
| DE102012216001B4 (de) * | 2012-09-10 | 2015-06-18 | Aktiebolaget Skf | Stift zum Führen eines Zahnrads und Planetengetriebe |
| EP3586022B1 (en) * | 2017-02-22 | 2021-04-07 | Volvo Truck Corporation | A bearing arrangement and an assembly comprising such bearing arrangement |
| AT519938B1 (de) * | 2017-04-26 | 2019-02-15 | Miba Gleitlager Austria Gmbh | Verfahren zur Herstellung einer Gleitlagerbüchse |
| JP2020128792A (ja) * | 2019-02-08 | 2020-08-27 | ジヤトコ株式会社 | 動力伝達装置 |
| EP4310366B1 (en) * | 2021-03-19 | 2025-05-21 | Jatco Ltd. | Power transmission device |
| JP7536403B2 (ja) * | 2021-03-19 | 2024-08-20 | ジヤトコ株式会社 | 動力伝達装置 |
-
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08319810A (ja) * | 1995-05-25 | 1996-12-03 | Toyota Motor Corp | 動力伝達機構の潤滑装置 |
| JP2006214580A (ja) * | 2005-01-07 | 2006-08-17 | Aisin Aw Co Ltd | 潤滑構造及び変速機構 |
| JP2006266305A (ja) * | 2005-03-22 | 2006-10-05 | Toyota Motor Corp | プラネタリギヤの潤滑装置 |
| JP2016098986A (ja) * | 2014-11-26 | 2016-05-30 | トヨタ自動車株式会社 | 車両用駆動装置 |
| JP2021095952A (ja) * | 2019-12-17 | 2021-06-24 | 本田技研工業株式会社 | 動力伝達装置の潤滑構造 |
| JP2021124183A (ja) | 2020-02-06 | 2021-08-30 | ジヤトコ株式会社 | 動力伝達装置 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP4435295A4 |
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| US20250155013A1 (en) | 2025-05-15 |
| US12449032B2 (en) | 2025-10-21 |
| CN118696189A (zh) | 2024-09-24 |
| EP4435295A4 (en) | 2025-10-01 |
| JP7616137B2 (ja) | 2025-01-17 |
| JP2023150299A (ja) | 2023-10-16 |
| EP4435295A1 (en) | 2024-09-25 |
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