WO2020259743A1 - Module hybride et système d'entraînement pour un véhicule à moteur - Google Patents

Module hybride et système d'entraînement pour un véhicule à moteur Download PDF

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Publication number
WO2020259743A1
WO2020259743A1 PCT/DE2020/100443 DE2020100443W WO2020259743A1 WO 2020259743 A1 WO2020259743 A1 WO 2020259743A1 DE 2020100443 W DE2020100443 W DE 2020100443W WO 2020259743 A1 WO2020259743 A1 WO 2020259743A1
Authority
WO
WIPO (PCT)
Prior art keywords
hybrid module
clutch
separating clutch
rotor
separating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/DE2020/100443
Other languages
German (de)
English (en)
Inventor
Philippe Wagner
Florian Vogel
Simon Ortmann
Marc Finkenzeller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Publication of WO2020259743A1 publication Critical patent/WO2020259743A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • 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
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
    • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • 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
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • B60K6/405—Housings
    • 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
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/44—Series-parallel type
    • B60K6/442—Series-parallel switching type
    • 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
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio
    • B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
    • F16D25/082—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/10—Clutch systems with a plurality of fluid-actuated clutches
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/12—Details not specific to one of the before-mentioned types
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/42—Clutches or brakes
    • B60Y2400/428—Double clutch arrangements; Dual clutches
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D21/00—Systems comprising a plurality of actuated clutches
    • F16D21/02—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways
    • F16D21/06—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways at least two driving shafts or two driven shafts being concentric
    • F16D2021/0661—Hydraulically actuated multiple lamellae clutches
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D21/00—Systems comprising a plurality of actuated clutches
    • F16D21/02—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways
    • F16D21/06—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways at least two driving shafts or two driven shafts being concentric
    • F16D2021/0692—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways at least two driving shafts or two driven shafts being concentric with two clutches arranged axially without radial overlap
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

Definitions

  • the invention relates to a hybrid module for a motor vehicle, in particular a hybrid motor vehicle for coupling an internal combustion engine and a transmission, as well as a drive arrangement for a motor vehicle.
  • a hybrid module usually comprises a connection device for mechanically coupling an internal combustion engine, a coupling device with which torque can be transmitted from the internal combustion engine to the hybrid module and with which the hybrid module can be separated from the internal combustion engine, and an electrical machine for generating it a drive torque with a rotor.
  • the electric machine enables electric driving, increased performance for internal combustion engine operation and recuperation.
  • the coupling device and its actuation system ensure that the internal combustion engine is coupled into a drive train of a motor vehicle.
  • hybrid modules in a so-called triple clutch variant are known in which the hybrid module, in addition to the clutch device configured as a separating clutch, also includes a double clutch device for coupling the hybrid module to two transmission input shafts of a transmission unit.
  • WO 2019 015 713 A1 discloses a hybrid module for a drive train of a motor vehicle, with a separating clutch for the selective coupling and uncoupling of an internal combustion engine from an intermediate shaft that can be driven by an electric motor, and with an electric machine for driving the intermediate shaft with an electric motor.
  • a rotor of the electrical machine is supported here with a rotor arm via a roller bearing on a housing wall, the housing wall being arranged axially between the electrical machine's and the separating clutch.
  • the intermediate shaft is supported radially on the inside on the housing wall, the intermediate shaft forming a section of a fluid line for a pressure fluid for the purpose of actuating the separating clutch.
  • such an embodiment of a hybrid module is also associated with a corresponding axial and / or radial construction space requirement.
  • the present invention is based on the object of providing a hybrid module and a drive arrangement equipped therewith, which implement actuation of the separating clutch in a structurally simple manner while using installation space efficiently.
  • hybrid module according to the invention according to claim 1.
  • Advantageous configurations of the hybrid module are specified in subclaims 2 to 9.
  • a drive arrangement for a motor vehicle, which has the hybrid module is provided according to claim 10.
  • the invention relates to a hybrid module for a motor vehicle, in particular for a hybrid motor vehicle, for coupling an internal combustion engine and a transmission, comprising an electrical machine with a rotor rotatable about an axis of rotation. Furthermore, the hybrid module comprises a separating clutch and a separating clutch actuating device for actuating the separating clutch, the separating clutch actuating device comprising an annular piston-cylinder unit which is arranged in a rotationally fixed manner.
  • the hybrid module also includes a coupling processing device, in particular a double clutch device, which has an output device for transmitting the torque from the clutch device to a unit to be coupled with the hybrid module, in particular a transmission.
  • the hybrid module comprises a line element, essentially coaxially to the axis of rotation, which is arranged radially on the inside with respect to the output device.
  • the line element is fluidically coupled to the cylinder of the piston-cylinder unit for the purpose of supplying a fluid into the piston-cylinder unit for actuating the separating clutch actuating device.
  • the output device comprises two output elements which are coupled with a respective partial clutch.
  • a respective output element can be designed, for example, with a radial profile toothing for transmitting a torque to a transmission input shaft.
  • the output elements can also be formed by output shafts which are each coupled in a rotationally fixed manner to the output side of a respective partial coupling. These output shafts can simultaneously form the transmission input shafts of a transmission connected to the hybrid module.
  • the line element runs on the radial inside of the radially innermost transmission input shaft.
  • the rotor of the electrical machine can be mounted on a rotor carrier that can rotate about an axis of rotation of the hybrid module and can be connected non-rotatably to at least one pressure plate and counter pressure plate of the coupling device.
  • the pressure plate of the clutch device has a degree of freedom in the axial direction so that it can transmit frictional force to a friction lining as a function of its axial position and thus open and close the clutch device.
  • a non-rotatable arrangement of the ring-shaped piston-cylinder unit of the separating coupling actuating device means in particular that the ring-shaped piston-cylinder unit is arranged non-rotatably in relation to a housing of the hybrid module.
  • a housing shoulder of the Ge housing of the hybrid module can extend radially inward in the axial direction in relation to the rotor arm, a support bearing for at least radial mounting of the rotor arm being arranged between this housing shoulder and the rotor arm.
  • the support bearing also serves to axially support the Ro gate carrier.
  • the housing shoulder can be connected to an essentially radially extending housing wall, the housing wall realizing a transmission-side delimitation of a housing interior of the housing of the hybrid module.
  • an input element of the transmission unit in particular at least one transmission input shaft, or an output element of the hybrid module, in particular an output shaft, can be guided to the transmission unit for the purpose of connection.
  • a clutch actuating device in particular a double piston-cylinder unit, can be arranged on the housing shoulder for actuating the clutch device.
  • the clutch actuation device can also or alternatively be arranged on the housing wall.
  • the clutch actuating device can e.g. each have a pressure pot or a lever transmission.
  • the hybrid module can comprise a damper unit, in particular a vibration damper, the damper unit and the separating clutch being nested radially, at least in some areas.
  • the radial nesting can be implemented in such a way that the separating clutch is arranged at least in some areas within a space that is radially delimited by components of the damper unit.
  • the damper unit can be connected directly to a crankshaft of a connected internal combustion engine or be designed for this purpose.
  • the hybrid module by means of an intermediate shaft that can be coupled to the internal combustion engine, the
  • Damper unit in the torque transmission path between this intermediate shaft and the separating clutch arranged. After the disconnect clutch, the rotor arm is arranged in the torque transmission path.
  • the damper unit can be implemented as a dry damper, for example as a pendulum rocker damper.
  • the damper unit and the separating clutch are in particular directly connected to one another.
  • a pressing unit of the separating clutch is connected to the rotor carrier, a friction lining carrier of the separating clutch being set up for at least indirect connection to an internal combustion engine or to the damper unit.
  • the pressure unit preferably has a pressure plate and a counterpressure plate connected to it in a rotationally fixed manner, the pressure plate and the counterpressure plate of the pressure unit each being arranged on opposite axial sides of a friction lining carried by the friction lining carrier, in particular a friction lining pair.
  • the pressure plate or the counter pressure plate can be referred to as an axially outside of the separating clutch, the friction lining pair being able to be referred to as an axially inside of the separating clutch.
  • the axial outside of the separating clutch accordingly corresponds to an output side of the separating clutch, the axial inner side of the separating clutch corresponding to an input side of the separating clutch.
  • the pressure plate and / or counter pressure plate is connected directly to the rotor arm as the output element of the separating clutch.
  • connection of the separating clutch to an internal combustion engine can in particular be realized indirectly via at least one component connected to the friction lining carrier as an input element of the separating clutch, such as a damper unit and / or an intermediate shaft.
  • the friction lining is connected to the damper unit via teeth, the teeth allowing a relative movement in the axial direction between the friction lining and the damper unit for the purpose of axial movement of the friction lining to open or close the separating clutch.
  • the hybrid module can also have a sensor for detecting the angular position of the rotor, which sensor is arranged on an output side of the hybrid module designed for mechanical coupling of the hybrid module to a transmission.
  • An element of the sensor for detecting the rotor position such as an encoder, can be arranged on the rotor support of the electrical machine, and another component of the sensor, such as a pick-up, can be arranged on the housing of the hybrid module.
  • the rotor radially surrounds a space
  • the hybrid module has a housing which forms a housing interior
  • the separating clutch being arranged axially outside the space surrounded by the rotor and the rotor and the separating clutch being arranged in a common housing interior.
  • At least one torque transmission element of the separating clutch is arranged axially outside the space surrounded by the rotor.
  • a radially outer edge of a torque transmission element of the separating clutch can therefore have a greater distance from an axis of rotation of the hybrid module than a radially outer edge of the space surrounded by the rotor, that is to say than a radial inner side of the rotor.
  • Such a torque transmission element can have at least one pair of friction linings and a portion of a pressure plate or counter pressure plate that can be pressed against the pair of friction linings for the purpose of closing a torque transmission path, so that the separating clutch is designed as a friction clutch.
  • the separating clutch arranged in the torque transmission path between the electric machine and the internal combustion engine can be operated with slipping, so that during a synchronization process for synchronization of the speeds applied to the hybrid module on the input side and output side, the speeds between the electric machine and the transmission are first adjusted can be, and after this adjustment via the Trennkupp ment, the speeds of the electrical machine and internal combustion engine can be compared.
  • the mass moment of inertia of the internal combustion engine therefore does not have to be synchronized via the clutch device.
  • the hybrid module can be designed according to a so-called P2 arrangement.
  • the clutch device is arranged radially at least in regions and axially at least in regions within the space surrounded by the rotor.
  • a respective partial clutch, of the clutch device designed in particular as a double clutch device can be designed as a single or multi-plate clutch device.
  • the line element is a tube which has at least one radial flow outlet for realizing the fluidic connection with the cylinder.
  • the radial flow outlet can in particular be designed as a bore running in the radial direction through the line element.
  • the radial flow outlet can be fluidically connected directly to a flow inlet, which in turn is directly fluidically connected to the cylinder space of the piston-cylinder unit or is formed by the sem.
  • the flow inlet can also run essentially radially.
  • the cylinder can be arranged directly on the tube for the purpose of said fluidic connec tions.
  • the line element or pipe can be closed by a sealing element on its side axially facing the internal combustion engine.
  • the line element is designed as an axially continuous tube, which means that the line element as a single, separate component takes over the entire fluid guide for actuating the separating clutch, actuating device in the axial direction radially inside the hybrid module.
  • the line element is axially supported on the axial side of the coupling device facing away from the separating coupling.
  • This axial support is implemented in particular on the housing of the hybrid module.
  • the support can also be implemented on a housing of a transmission, the housing of the transmission being connected to the housing of the hybrid module in a rotation-proof manner.
  • the axial support on a housing is implemented in particular in a rotation-test manner so that the line element is implemented in a rotation-test manner via a support on the housing.
  • the radial outside of the tube can form the radial inside of the annular cylinder space in a length section.
  • a separate element forming the radial inside of the annular cylinder space is arranged directly on the radial outer side of the line element.
  • the piston-cylinder unit is supported on the tube in the axial direction on a threaded connection.
  • This threaded connection can in particular be formed by a nut which is screwed onto an external thread on the radial outside of the tube.
  • this nut also offers the advantage that the axial position of the piston-cylinder unit can be adjusted.
  • a component of the separating clutch actuation device is furthermore a spring unit which brings about a pretensioning force in the direction of actuation of the separating clutch.
  • this is a helical compression spring which acts in the same direction as the piston-cylinder unit when the cylinder is charged with a pressure fluid.
  • the separating clutch actuation device is set up to exert a force on a disk spring in the axial direction, which in turn realizes an axial contact force on components of the separating clutch that transmit the torque by friction.
  • Such components are, in particular, plates, such as pressure plates or also counter pressure plates of the separating clutch, as well as friction disks or friction plates arranged between them, which are to be pressed against one another in the axial direction in order to transmit torque in a frictional manner.
  • the separating clutch is designed as a normally closed clutch so that actuation by means of the actuating device leads to an opening of the separating clutch.
  • the spring unit is dimensioned in such a way that the force it causes is weaker than a restoring force of the diaphragm spring in the closed state of the separating clutch.
  • the hybrid module according to the invention has the advantage that the line element is positioned coaxially to the output device and radially inside the output device, which is particularly space-efficient, which enables the integration of a separating clutch actuating device with a small radial design.
  • coupling processes can be carried out when starting a motor vehicle designed with the hybrid module according to the invention via the separating clutch instead of the double clutch device, so that friction-related heat is generated outside the space surrounded by the rotor or rotor arm and the electrical machine as a whole is subjected to low thermal loads.
  • the electric machine can be used during a synchronization process to synchronize the speeds applied to the hybrid module on the input side and output side, especially during a synchronization process during an overlapping shift when shifting down from a fifth gear to a second gear or from a sixth gear to a third Gear to accelerate the internal combustion engine and thus to align the speeds applied on both sides of the hybrid module to one another.
  • the separating clutch can be operated with slipping.
  • a partial clutch of the double clutch device is less loaded during the synchronization process, as a result of which the heat input into the electrical machine is reduced.
  • a drive arrangement for a motor vehicle which has a hybrid module according to the invention, a drive unit, such as an internal combustion engine, and a transmission, where the hybrid module with an input side with the drive unit and an output side with the transmission mechanically is coupled.
  • the housing of the hybrid module in particular the housing shoulder on which the support bearing for the rotor arm is seated, can be mechanically firmly connected to a housing of the transmission connected to the hybrid module.
  • the output side is formed accordingly by the output device, which either forms at least one transmission input shaft itself or is coupled non-rotatably to at least one transmission input shaft, realizing the torque transmission path between the hybrid module and the connected transmission.
  • Fig. 1 a schematic representation of a portion of a drive assembly according to the invention
  • FIG. 1 shows a schematic representation of a section of a drive arrangement 5 according to the invention.
  • the section of the drive arrangement 5 comprises an internal combustion engine 6 and a hybrid module 1, the hybrid module 1 having a damper unit 60, designed as a vibration damper, a separating clutch 20, an electrical machine 10 and a clutch device 30, designed as a double clutch device.
  • An output side 4 of the hybrid module 1 is designed for coupling a transmission, not shown here.
  • the damper unit 60, the separating clutch 20, the electric machine 10 and the clutch device 30 are arranged in series in this order.
  • a rotor 11 of the electrical machine 10 radially surrounds a space 14 in which the coupling device 30 is arranged.
  • Both a first partial coupling 40 and a second partial coupling 50 of the coupling device 30 configured as a double clutch device are connected to a rotor arm 13 carrying the rotor 11.
  • the first partial clutch 40 is connected to a first transmission input shaft 80 for connection to the transmission
  • the second partial clutch 50 is connected to a second transmission input shaft 81 for connection to the transmission.
  • the hybrid module 1 is here correspondingly coupled to the internal combustion engine 6 via the damper unit 60 on the input side 3 of the hybrid module 1 and coupled to the transmission of the drive arrangement 5 via the coupling device 30 as the output side 4 of the hybrid module 1.
  • a torque made available by the internal combustion engine 6 is accordingly transmitted to the separating clutch 20 via the damper unit 60.
  • torque is passed to the clutch device 30. Via the clutch device 30, the torque can now be transmitted to the transmission either via the first or second transmission input shaft 80, 81, depending on the shifting of the partial clutches 40, 50. In the opposite direction, torque applied to the transmission can be transmitted via the transmission input shafts 80, 81 to the clutch device 30 and from there to the electrical machine 10 for the purpose of recuperation.
  • FIG. 2 an inventive hybrid module 1 is shown in a sectional 9.an view.
  • the hybrid module 1 shown in FIG. 2 is a detailed representation of the hybrid module 1 of the drive arrangement shown in FIG.
  • the damper unit 60 is arranged on the input side 3 of the hybrid module 1, with an input side 61 of the damper unit 60 being set up for connection to the internal combustion engine and an output side 62 of the damper unit 60 connected in a rotationally fixed manner to an input element 25 of the separating clutch 20 is.
  • the separating clutch 20 comprises a pressing unit 28, having a counter pressure plate 24 and a pressing plate 23, and a pair of friction linings 22.
  • the pressing unit 28 and the pair of friction linings 22 form a separating clutch torque transmission element 21 of the separating clutch 20, wherein the friction lining Pair 22 is arranged axially between the pressure plate 23 and counter pressure plate 24.
  • the input element 25 of the separating clutch 20 is realized here by a friction lining carrier 27 carrying the friction lining pair 22, the friction lining carrier 27 extending in the radial direction and being non-rotatably connected to the output side 62 of the damper unit 60 via a toothing 90.
  • the separating clutch 20 is arranged radially within the damper unit 60 in some areas.
  • the counter pressure plate 24 is as an output element 26 of the separating clutch 20 with a portion 16 of the rotor arm 13 of the electrical machine 10 rotatably ver connected.
  • the pressure plate 23 is connected to a disconnect clutch actuation device 90 for the purpose of actuating the disconnect clutch 20.
  • the separating clutch actuating device 90 comprises an annular piston-cylinder unit 91 with an annular piston 93 which is axially displaceable in an annular cylinder 92 and which is connected to a release bearing 94, a plate spring 95 resting on the release bearing 94.
  • the plate spring 95 is supported axially on one side on the rotor carrier 13 of the electrical machine 10 and on the other hand is axially applied to the pressure plate 23 of the separating clutch 20. Radially on the inside, the plate spring 95 rests axially on the release bearing 94, which is assigned to the separating clutch actuating device 90.
  • the plate spring 95 is shown in a tensioned state, with axial displacement of the radially inner area of the plate spring 95 by means of the separating clutch actuator 90, the spring tension in the plate spring 95 would automatically tilt the plate spring 95 about a tipping point 97 on the rotor arm 13 and thus press the pressure plate 23 axially against the pair of friction linings 22.
  • the separating clutch 20 shown here is designed as a normally closed clutch.
  • the cylinder 92 of the separating clutch actuation device 90 is arranged on a radial outer side 102 and on an axial end region 101 of a line element 100.
  • the cylinder 92 of the separating clutch actuation device 90 is axially supported on a threaded connection 103, realized by a nut 98 screwed onto the line element 100, which in turn supports or can be supported directly or indirectly on a housing.
  • the disc spring 95 acts on the piston-cylinder unit 91 in the axial direction with a force and thus presses the cylinder 92 axially against the nut 98 of the threaded connection 103, so that the position of the piston-cylinder unit 91 or the posi tion of the clutch actuator 90 is defined in the axial direction.
  • a component of the separating clutch actuation device 90 is also a spring unit 96, which exerts a pretensioning force in the same direction as the piston-cylinder unit 91 when the separating clutch 20 is actuated.
  • the conduit element 100 designed as a tube, is fluidically connected to the piston-cylinder unit 91 for the purpose of guiding a fluid from the conduit element 100 into the cylinder 92 and an axial displacement of the piston 93 in the cylinder 92 that can be brought about.
  • a radial flow outlet 106 for implementation the fluidic connection between the interior of the line element 100 and the cylinder 92 is shown here in dashed lines and positioned axially between two sealing rings 104 at an axial position, the sealing rings 104 providing the fluidic connection to the surrounding components or the environment in this area of the Seal hybrid module 1.
  • the line element 100 is supported in the radial direction via a needle bearing 105 on a first transmission input shaft 80 and is axially supported on a housing of the transmission at an axial end (not shown here) which is axially opposite the axial end region 101.
  • the line element 100 is arranged coaxially to the first transmission input shaft 80.
  • a stator 12 of the electrical machine 10 is firmly connected to a housing 70 of the hybrid module 1, the rotor 11 of the electrical machine 10 being arranged on the rotatable rotor carrier 13 for the purpose of rotation about an axis of rotation 2 of the hybrid module 1.
  • the rotor arm 13 is radially Gela Gert with a support section 17 via a support bearing 75 on a housing shoulder 71 of a housing 70.
  • a rotor position sensor 15 for detecting the angular position of the rotor 11 is arranged axially next to the rotor 11 on the side of the hybrid module 1 facing the transmission to be arranged on the hybrid module 1 or the output side 4 of the hybrid module 1.
  • the housing shoulder 71 extends in the axial direction in relation to the coupling device 30 radially inward and is connected to a housing wall 72 of the housing 70, the housing wall 72 extending from the housing shoulder 71 in the radial direction on the output side 4 of the hybrid module 1 and delimits a housing interior 73 formed by the housing 70 on the transmission side.
  • the housing interior 73 formed by the housing 70 corresponds to a common housing interior 74 in which the separating clutch 20 and the electrical machine 10 are net angeord.
  • the coupling device 30 is designed as a double coupling device or its partial couplings 40, 50 are arranged in a space 14 radially surrounded by the rotor 11.
  • the coupling device 30 or the first partial coupling 40 and the second partial coupling 50 are also arranged axially within the space 14 surrounded by the rotor 11 on the side of the support section 17 of the rotor arm 13 facing the separating coupling 20.
  • the first partial clutch 40 and the second partial clutch 50 are designed as multi-plate clutches.
  • a pressure plate 41, an intermediate pressure plate 45 and a counter pressure plate 42 of the first partial coupling 40 are connected to the rotor arm 13 in the radial direction.
  • a pressure plate 51, an intermediate pressure plate 55 and a counter pressure plate 52 of the second partial coupling 50 are connected to the rotor arm 13 in the radial direction.
  • One of two friction linings 43 of the first partial clutch 40 is arranged axially between the pressure plate 41 and the intermediate pressure plate 45 of the first partial clutch 40 and the other of the two friction linings 43 of the first partial clutch 40 is arranged axially between the intermediate pressure plate 45 and the counter pressure plate 42, the friction being 43 of a friction lining carrier 44 of the first partial clutch 40 are carried.
  • One of two friction linings 53 of the second partial clutch 50 is arranged axially between the pressure plate 51 and the intermediate pressure plate 55 of the second partial clutch 50 and the other of the two friction linings 53 of the second partial clutch 50 is arranged axially between the intermediate pressure plate 55 and the counter pressure plate 52, the friction being 53 of a friction lining carrier 54 of the second partial clutch 50 are carried.
  • the two friction lining carriers 44, 54 thus each function as an output device 34 of the clutch device 30 for transmitting a torque from the clutch device 30 to the transmission.
  • the first transmission input shaft 80 and the second transmission input shaft 81 extend radially inside the housing shoulder 71 in the direction of the output side 4 of the hybrid module 1 for the purpose of connecting the hybrid module 1 to the transmission.
  • a clutch actuation device 33 for actuating the first partial clutch 40 and the second partial clutch 50, designed as piston-cylinder units, is arranged on the output side 4 of the hybrid module 1, lying radially on the housing shoulder 71 and axially on the housing wall 72.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

L'invention concerne un module hybride pour un véhicule à moteur, notamment pour un véhicule à moteur hybride, pour l'accouplement d'un moteur à combustion interne et d'une transmission, ainsi qu'un système d'entraînement pour un véhicule à moteur. Le module hybride (1) comporte un moteur électrique (10) comprenant un rotor (11), un embrayage de coupure (20), un dispositif d'actionnement d'embrayage de coupure (90) comprenant une unité piston-cylindre annulaire (91) disposée bloquée en rotation, et un dispositif d'embrayage (30) comprenant un dispositif de sortie (34) pour transmettre le couple du dispositif d'embrayage (30) à un groupe à coupler au module hybride (1), le module hybride comprenant sensiblement coaxialement à l'axe de rotation (2) un élément de conduite (100) disposé radialement à l'intérieur par rapport au dispositif de sortie (34), et couplé en écoulement au cylindre (92) de l'unité piston-cylindre (91) pour l'introduction d'un fluide dans l'unité piston-cylindre (91) afin d'actionner le dispositif d'actionnement d'embrayage de coupure (90). Le module hybride selon l'invention et le système d'entraînement équipé de celui-ci permettent de réaliser un actionnement de l'embrayage de coupure, avec une construction simple et une utilisation efficace de l'espace disponible.
PCT/DE2020/100443 2019-06-25 2020-05-26 Module hybride et système d'entraînement pour un véhicule à moteur Ceased WO2020259743A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019117059.1 2019-06-25
DE102019117059.1A DE102019117059A1 (de) 2019-06-25 2019-06-25 Hybridmodul sowie Antriebsanordnung für ein Kraftfahrzeug

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WO2020259743A1 true WO2020259743A1 (fr) 2020-12-30

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PCT/DE2020/100443 Ceased WO2020259743A1 (fr) 2019-06-25 2020-05-26 Module hybride et système d'entraînement pour un véhicule à moteur

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WO (1) WO2020259743A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022113512B3 (de) 2022-05-30 2023-05-25 Schaeffler Technologies AG & Co. KG Hybridmodul

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019015713A1 (fr) 2017-07-21 2019-01-24 Schaeffler Technologies AG & Co. KG Module hybride comprenant un embrayage de coupure à l'extérieur du carter
DE102018116587A1 (de) * 2017-07-21 2019-01-24 Valeo Embrayages Übertragungsvorrichtung für ein Hybridfahrzeug

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019015713A1 (fr) 2017-07-21 2019-01-24 Schaeffler Technologies AG & Co. KG Module hybride comprenant un embrayage de coupure à l'extérieur du carter
DE102018116587A1 (de) * 2017-07-21 2019-01-24 Valeo Embrayages Übertragungsvorrichtung für ein Hybridfahrzeug

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