CN103161908B - Hydraulic circuit for hybrid electric variator - Google Patents
Hydraulic circuit for hybrid electric variator Download PDFInfo
- Publication number
- CN103161908B CN103161908B CN201210395284.XA CN201210395284A CN103161908B CN 103161908 B CN103161908 B CN 103161908B CN 201210395284 A CN201210395284 A CN 201210395284A CN 103161908 B CN103161908 B CN 103161908B
- Authority
- CN
- China
- Prior art keywords
- torque
- converters
- motor
- clutch
- hub
- 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.)
- Active
Links
Classifications
-
- 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
- F16H41/00—Rotary fluid gearing of the hydrokinetic type
- F16H41/24—Details
- F16H41/30—Details relating to venting, lubrication, cooling, circulation of the cooling medium
-
- 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
- B60K6/48—Parallel 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
- B60K6/42—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
- B60K6/48—Parallel type
- B60K2006/4825—Electric machine connected or connectable to gearbox input shaft
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H2061/0046—Details of fluid supply channels, e.g. within shafts, for supplying friction devices or transmission actuators with control fluid
-
- 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
Landscapes
- 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
Hydraulic circuit for automotive power, including the first line for delivering the fluid to torque-converters, for carrying the second circuit from torque-converters, cut off and the tertiary circuit of motor for delivering the fluid to balance, and for providing the 4th circuit driving pressure to clutch, described circuit is coaxial.
Description
Technical field
The present invention relates to the dynamical system of hybrid electric vehicle, more particularly it relates to provided by fluid
To torque-converters, balance partition and motor the hydraulic circuit providing driving pressure to clutch.
Background technology
Hybrid electric vehicle (HEVs) has explosive motor and motor, and they can replace
Ground or by combination in the way of be used for advancing vehicle.Multiple different power train uses at motor vehicle driven by mixed power
In.The present invention relates to parallel configuration, wherein electromotor is connected to motor by disconnect-type clutch, electricity
Motivation drives the torque-converters input of automatic transmission.Hydrodynamic transmission has two be connected to vehicle
The output of the differential mechanism that individual driving wheel couples.The biography of this parallel mixed power electric vehicle known in the art
Dynamic chain power flow arrangement.
HEV designer's problems faced be how cooling separation type clutch and the rotor of motor and
Stationary part.Have been proposed for various based on air with the cooling system of liquid；But, major part system
It is all expensive and causes when attempting and non-hybrid vehicle being converted into the hybrid power method of operation
Packing problem.Need by disconnect-type clutch, motor, torque-converters and automatic transmission in a compact manner
Packaging, in order to conventional truck can change or basic with relatively low cost and little automobile body
There is not automobile body variation and be reconfigured for hybrid power system.
Summary of the invention
For the hydraulic circuit of automotive power, including the First Line for delivering the fluid to torque-converters
Road, for conveying from the fluid of torque-converters the second circuit, be used for delivering the fluid to balance cut off and
The tertiary circuit of motor and for providing the 4th circuit driving pressure to clutch, described circuit is
Coaxial.
The present invention relates to novel hybrid electric vehicle and the parts of multiple novelty and subassembly, its
It is particularly suitable for disconnect-type clutch and the motor reorientating in the wet side of automatic transmission.This is not changing
The conventional power stream that change electromotor, disconnect-type clutch, motor, torque-converters, variator are connected in series
In the case of complete.
The invention provides the separate type connecting the engine to be repositioned in automatic transmission shell
The drive shell of the input side of clutch, and not as the most typically in non-hybrid vehicle by torque-converters
It is connected directly to electromotor.Drive shell constitutes size and the most freely accommodates the annular chamber of torque-converters.Electronic
Machine also is located in the wet district of automatic transmission, and this wet district preferably annulate shaft is around disconnect-type clutch.Electronic
The rotor of machine is connected to the output of disconnect-type clutch.Disconnect-type clutch output and rotor be coupled to
The armature spindle that the input turbine of torque-converters connects.It is fixed that torque converter stator and output turbine are respectively connecting to tubulose
Sub-axle and transmission input shaft.Transmission input shaft, stator axis, armature spindle and disconnect-type clutch hub
(hub) the most concentrically with respect to one another, and can by the annular opening of automatic transmission shell front side add in order to
With.
Similar with conventional torque converter, torque-converters and drive shell can be removably mounted at gearbox case
Above.Drive shell is connected to installing plate rather than torque-converters is connected to electromotor installing plate.Bending moment
Device rotates freely relative to drive shell at drive shell intracavity, forms compact and axially shorter motor/speed change
Device assembly.By disconnect-type clutch and motor being coaxially placed in the front portion in the wet district of automatic transmission,
Transmission pressure fluid pump, relevant pump and tubing can be with increases relatively small on axial length
Come cooling separation type clutch and the rotor of motor and stationary part.
Although similar with conventional torque converter generally, but in order to implement the present invention, torque-converters is carried out solely
Special transformation.Owing to torque-converters is not attached to electromotor installing plate, so not providing on the shell of torque-converters
Stud is installed.And it is to provide central axial bearing assembly, itself and the electromotor possessing corresponding bearing assembly
Installing plate cooperates radially to support torque-converters and axially to limit the movement of forward direction.In torque-converters it is
Towards the back of thrust bearing assembly, it cooperates with the free end of transmission input shaft and exists with restriction torque-converters
Move axially in rearwardly direction.
In order to implement the present invention, gearbox case is preferably also carried out the transformation of uniqueness.Gearbox case includes
Part definition close wet district wet shell and and converter housing, it transform side as and is fixed on wet shell
Upper and opposite side is fixed on cluster engine.Converter housing has formation between wet chamber and drying chamber
The rear wall on border, wherein torque-converters and drive shell are directed.Rear wall defines looping pit, itself and separate type
Clutch input hub cooperation, together with the associated rotor part of motor and disconnect-type clutch output hub,
Supporting input hub and armature spindle.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the hybrid electric vehicle with Parallel power-flow design；
Fig. 2 is the rough schematic view of disconnect-type clutch and the motor reorientated in the present invention；
Fig. 3 is the simplification viewgraph of cross-section of the automatic electric motivation/transmission assembly of the present invention；
Fig. 4 a is the automatic electric motivation/transmission assembly more detailed cross-sectional side elevation view of the present invention；
Fig. 4 b is the graphical diagram of the motor/transmission assembly of Fig. 4 a；
Fig. 4 c is six forward gears and reverse gear shift respective clutch application table；
The amplification of the cross section that Fig. 5 is in the torque-converters in cooperating with disconnect-type clutch and motor regards
Figure；
Fig. 6 is the zoomed-in view of disconnect-type clutch and motor；
Fig. 7 is the electromotor output on installing plate torque-converters and the zoomed-in view of transmission input shaft, and it shows
Go out their axial direction；
Fig. 8 is the perspective view of the installing plate for implementing the present invention；
Fig. 9 is the perspective view of the torque-converters for implementing the present invention；
Figure 10 is the perspective view of drive shell；
Figure 11 is the view of the optional embodiment with the drive shell that bag carries torque converter；
Figure 12 is in the side cross-sectional views of the automotive power part of more than axis；
Figure 13 is the top view of terminal base assembly；
Figure 14 is in the side cross-sectional views of the automotive power part of below axis；
Figure 15 is the side cross-sectional views of more than the axis of automotive power, it illustrates and is positioned at electromotor
And the torsional damper between torque-converters.
Detailed description of the invention
Fig. 1 illustrates hybrid electric vehicle 10, and it is illustrated with parallel connection type hybrid electric power train
Ground represents.Hybrid electric vehicle possesses and has the disconnect-type clutch 14 being connected to drive motor 16
Rotate output electromotor 12.The output of motor is connected to the input of torque-converters 18, torque-converters defeated
Go out to be connected to the power shaft of automatic transmission 20.In conventional manner, automatic transmission is connected by differential mechanism 24
It is connected to driving wheel 22,22 '.In the diagram, hybrid electric vehicle 10 possesses a pair non-driving wheel,
However, alternatively, it is possible to use transfer gear and the second differential mechanism carry out the actual all of wheel of driving vehicle.
Electromotor, disconnect-type clutch, motor, torque-converters and automatic transmission are sequentially connected in series, as
Shown in Fig. 1.
Motor/transmission assembly 26 in the hybrid electric vehicle 10 ' illustrated schematically that in fig. 2 is being protected
Drive disk assembly is ressembled while holding power stream identical to those shown in Fig. 1.Electromotor 12 is by forming ring
The drive shell 28 of shape room (it is large enough to extend around torque-converters 18) is mechanically connected to separate type clutch
Device 14 input side above.The output of disconnect-type clutch 14 is connected to motor 16, motor and then company
It is connected to the impeller " I " of torque-converters 18.The use of drive shell 28 allows disconnect-type clutch and motor to be positioned at
In the wet side of automatic transmission shell.Turbine " T " is connected to the output of torque-converters 18, and torque-converters is to pass
System mode is connected to the power shaft of automatic transmission.The present invention can use huge variety of automatic transmission
Implement.The preferred embodiment of variator described here be six kinds of gear speed, three planetary gearsets,
The design of five clutches；Have less or more multiple speed and the optional speed change of different mechanical realizations
Device structure can equally benefit from the present invention.
Fig. 3 shows the more detailed of motor/transmission assembly 26 but very simple illustration.Electromotor
Possesses the bent axle output flange 30 being fixed by bolts in a conventional manner on installing plate 32.Installing plate 32 is fixed
At diameter enough around torque-converters and the biography of the input hub (hub) 34 being connected to disconnect-type clutch 14
Move on shell 28 rather than be connected to the shell of torque-converters.The output of disconnect-type clutch is fixed on motor 16
Rotor " R " part on, and and then be connected to armature spindle 36.Armature spindle 36 is coaxially nested in separate type
In clutch input hub 34, and extend to define in the wall portion of the gearbox case of the wet zone of variator
Annular opening.Armature spindle 36 is connected to the impeller " I " of torque-converters 18, impeller and then drive connection to becoming
The turbine T of speed device power shaft 38.Between the internal diameter and the periphery of transmission input shaft 38 of armature spindle 36 together
What axle separated is stator axis 40, and it is fixing relative to gearbox case and supporting is positioned at torque-converters 18
Interior stator component S.
Preferably, the housing of motor/transmission assembly is by the wet shell in the chamber, wet district partly defining closing
42, and be transformed into the converter housing 44 being fixed on wet shell 42 and cluster engine 46 and form.Bending moment
Device shell 44 is preferably provided with the rear wall 48 on heart line in the transmission with ring shaped axial opening 50.Rear wall
48 form physical boundary between chamber, gearbox case Zhong Shi district and drying chamber.Torque-converters 18 and drive shell
28 are shown disposed on dry section.Rear wall 48 cooperates with disconnect-type clutch input hub 34, separate type clutch
Device inputs hub and then supporting motor armature spindle 36 and the rotor portion R of relevant motor 16.
Motor/transmission assembly possesses the hydraulic fluid for the wet district interior orientation at gearbox case
Pump P, and it drives by armature spindle 36.Pump P provides the hydraulic fluid of pressurization to carry out operation transmission power train
In clutch and brake and disconnect-type clutch and providing for clutch and motor 16 is provided
Cooling.Similarly, the shared sump 52 for transmission fluid shared by disconnect-type clutch and motor
And shared common pump filter screen 54.Automatic transmission 20 possesses output shaft 56.Fig. 4 a is motor/variator
The cross-sectional side elevation view of assembly 26.It is stressed again that the present invention can use multiple different variator
Gear train configures, and is not limited to disclosed six kind gear speed, three planetary gear set transmission.
With reference to the graphical diagram of Fig. 4 b, the preferred embodiment of the multiple-speed gear-box shown in Fig. 4 a is easier to reason
Solve.Input from electromotor drives the transmission being fixed on the input hub 34 being connected to disconnect-type clutch 14
Installing plate 32 on shell 28.The outlet side of disconnect-type clutch 14 is connected to the rotor portion of motor 16,
This rotor portion and then be connected to armature spindle 36.In armature spindle 36, coaxial orientation is mounted to variator
The fixing stator axis 40 of housing, and transmission input shaft 38.Torque converter impeller I drive connection is to speed change
The torque converter turbine T of device power shaft 38.Torque-converters 18 is also equipped with being arranged on stator axis by one-way clutch
Stator S on 40.In a preferred embodiment, torque-converters 18 is also equipped with being locked by turbine in known manner
The fixed lock-up clutch 58 to impeller.
The gear train of planetary automatic transmission 20 is made up of three planetary stages: planet 1, planet 2 and planet 3,
As it can be seen, they arranged in co-axial alignment and axially-spaced.Each planetary gearsets have central gear,
Gear ring and a series of planetary gears being bearing on planet carrier.Central gear, gear ring and planet carrier
Assembly can be interconnected by a series of five clutches and brake.Such as, in the first gear, from
Clutch A and brake D engage as described in Fig. 4 c clutch application table.Transmission input shaft 38 is connected to row
The gear ring of star gear train planet 1.Central gear is fixing and planet carrier is connected to by clutch A
The central gear of planetary gearsets 3.When clutch D engages, the planet carrier of planetary gearsets 3 is fixed, and leads
The gear ring causing planetary gearsets 3 drives transmission output shaft 56.In order to change to the second gear, unclamp system
Move device D and simultaneously engage with brake C to cause the change of variator gear ratio.Conversion every time, no matter
Upwards downwards, all by unclamping a clutch or brake and engaging another realization.Class
As, the conversion reversed gear from first is by unclamping single clutch, simultaneously engages with another clutch
Complete.
Planetary gearsets 2 and 3 shares public planetary component and shared gear ring.Planetary gearsets 1 and 2 is to pass
System, simple planetary gearsets, and planetary gearsets 3 is to have being combined of a pair intermeshing planet
Planetary gearsets, this is to a joint central gear in intermeshing planet, a soldered tooth torus.
In embodiment described in fig. 4b, compound planetary is arranged and is allowed the use of third planet gear train less too
Sun gear, thus obtain higher gear reduction ratio.It is only used to additionally, describe planetary gearsets
Bright preferred embodiment, but, it is real that the present invention can also use huge variety of automatic transmission structure
Execute.
Fig. 5 is sectional view, its optional transmission being expressed as adapting to less diameter installing plate 64 and designing
Shell arranges 62.The output flange 30 of engine crankshaft is by a series of a group and installations in installing plate
Being bolted on installing plate 64 of the hole of plate spaced on center.The peripheral edge of installing plate 64 possesses gear ring 66
To cooperate with the little gear starting motor.In the peripheral car of installing plate, side is that a series of size is permissible
Accommodate the hole of threaded fastener so that drive shell 62 is connected to installing plate.In an illustrated embodiment, transmission
Shell possesses stud 108, and it receives nut with by drive shell jail through one group of hole in installing plate 64
Admittedly fix on a mounting board.Nut can weld alternatively on a mounting board to receive in installing plate
The bolt in hole.In order to reduce torque ripple, installing plate can also include double mass damper alternatively
(not shown).
Different from traditional automatic transmission vehicle, torque-converters 18 is not fixed by bolts to electromotor installing plate
On, but rotate freely in the annular chamber defined by drive shell 64 and installing plate 64.The rear end of drive shell
Forming tubulose drive shell spout assembly 68, this assembly is connected to disconnect-type clutch input hub 34." afterwards "
Referring to the direction towards transmission output shaft 56, the direction is at tradition rear wheel drive front-mounted engine vehicle
In can be the rear portion of vehicle, but, use term " afterwards " and " front " be in order at simply with illustrate
Purpose.What they not necessarily meaned is the front and rear of vehicle, because if being to be transversely mounted on front-wheel
Drive in vehicle and be just not the case.The front side of torque-converters 18 is not typically used in and is connected to install
The bolt of plate.
Preferably, drive shell tubulose output hub 68 possesses internal spline to input on hub 34 with disconnect-type clutch
Complementary external splines axially cooperate.Disconnect-type clutch 14 has a series of spaced plate, its
It is optionally connected to input hub 34 and output hub 70.Separate type hub annular piston 72 is defeated at disconnect-type clutch
Go out the corresponding intracavity cooperation formed in hub 70, and its can latched position and the advanced position extended it
Between axially convert, wherein, be in prolong when receiving the hydraulic pressure signal advancing disconnect-type clutch piston 72
The latched position stretched, is in advanced position when the signal is not present.It is fixed on disconnect-type clutch output
The periphery of hub 70 is rotor R.Disconnect-type clutch output hub 70 and rotor R are all arranged on armature spindle 36
On.Armature spindle 36 possesses big with what the complementary internal spline on the torque-converters input hub 74 driving impeller I cooperated
Little external splines.Torque-converters 18 is also equipped with the stator S being arranged on stator hub 76, and by institute in Fig. 5
The torsional damper 82 stated is connected to the output turbine T of turbine output hub 78.Turbine output hub 78 possess with
The internal spline of transmission input shaft 38 cooperation.Stator hub 76 is arranged in stator axis 40, and it is fixed on speed change
On device shell and extend transmission case.In the embodiment shown, in a conventional manner stator is arranged on
One-way clutch center.
Torque-converters 18 is tight from the assembly of four different arranged in co-axial alignment in variator together with drive shell 62
Close fit, and slip off as the conventional torque converter in automatic transmission in installation process or close,
There is the tubulose output 68 of an extra coaxial module, i.e. drive shell 62 simply.Therefore, biography is used
Dynamic shell occupies extra axial space the least in motor/transmission assembly.But, increase for variator and divide
But the extra axial space of some in gearbox case is occupied from formula clutch 14 and motor 16.Such as Fig. 6
Shown in, motor coaxially orients with the disconnect-type clutch being arranged in motor rotor R.Motor
Stator S is securely fixed in gearbox case by a series of ring-type bolt separated through stator lasmination
On.Motor rotor R is arranged on the periphery of the disconnect-type clutch output hub 70 being bearing on armature spindle 36.
Armature spindle 36 is by the roller bearing 80 being placed between armature spindle 36 and separate type input clutch hub 34
Radially position.The external diameter of disconnect-type clutch input hub is bearing in gearbox case by bearing 84
Wall 48 on.Bearing 84 is designed as having axial load and rotor disconnect-type clutch output hub assembly is inserted
The radial load entered.Disconnect-type clutch output hub 70 is also axially limited by thrust bearing 86 and 88.This
Outward, annulate shaft roller bearing 90 is placed between disconnect-type clutch output hub 70 and stator axis 40 with axially fixed
Position armature spindle 36 and relevant disconnect-type clutch and rotor.
Disconnect-type clutch output hub 70 possesses makes transmission fluid export hub stream through disconnect-type clutch
Enter the interior coolant passage 92 of rotor R.When fluid passes through and leaves the rotor R of rotation, it is through fixed
The coil of sub-S is to remove waste heat from stator coil and relevant stator lasmination.Such as institute in Fig. 6
Showing, disconnect-type clutch output hub 70 is also equipped with the output spline 94 for driving pump P.
Because torque-converters 18 is no longer secured on electromotor installing plate, so must axially and radially limit
Torque-converters.On the electromotor installing plate 32 and 64 that torque-converters 18 is pivotally supported in Fig. 3 and 5.Electromotor
Installing plate 32,64 possesses axially mounted clutch shaft bearing assembly 96, its with torque-converters 18 on match second
Bearing assembly cooperates.As shown in Figure 7, the clutch shaft bearing assembly in preferred embodiment is by being bearing in axle
Bearing outer-ring 98(is fixed on the installing plate on transmission centerline it) in roller bearing 96 provide.Phase
The second bearing assembly answered is provided by the short axle 100 on the shell being fixed on torque-converters 18.Short axle is torque-converters
Radial support is provided, and bearing 96 also provides axial retention in a forward direction for torque-converters.In order to limit
Torque-converters processed is moved rearwards by, and torque-converters possesses back-oriented thrust axis on the longitudinal center line within shell
Hold 102, to engage the end regions of transmission input shaft 38.Of course, it is possible to use optional structure,
As short axle being placed on installing plate and roller bearing being placed on torque converter casing.
Motor/transmission assembly 26, as it was noted above, employ multiple independent novel subassembly.Figure
8 is the perspective view of the installing plate 64 being made up of disk, and this installing plate possesses the first axle of central axial arrangement
Bearing assembly, the roller bearing 96 being i.e. arranged in bearing outer ring 98.Dish possesses the installation of two circular array
Hole, array adjacent to center to be connected to the bent axle of electromotor, another array adjacent to periphery to connect
To drive shell 28.
Torque-converters 18 described in Fig. 9 is novel equally.This converter housing does not possess conventional mounting spiral shell
Post, and possess central axial second bearing assembly, it is provided by short axle 100 in this case.Also may be used
To optionally use other axial centre bearing assemblies, if they bearing arrangements corresponding with on installing plate
Cooperate with bearing radial load and the stop forward moved for torque-converters that offer determines.Bending moment utensil
There is the circular rear towards the pipe-type outlet hub 68 being connected to armature spindle 36, and towards as shown in Figure 7
Shell in centrage on the rear portion of thrust bearing 102 with the end against transmission input shaft 38.
Figure 10 illustrates the perspective view of drive shell 28.Drive shell is to have to arrive greatly enough free rings around torque-converters
The ring-shaped component of peripheral structure.The leading edge of drive shell 28 possesses a series of securing member 104 spaced apart
To cooperate with installing plate 32.The rear end of drive shell forms tubulose output 68, and it preferably has and has spline
Internal diameter to engage corresponding spline on disconnect-type clutch input hub 34.Described securing member spaced apart
104 is a series of welding screws, but, welding screw can be also used for through corresponding in installing plate
The bolt cooperation in hole.
Figure 11 illustrates the optional drive shell embodiment 62 in Fig. 5 as previously described.In order to accommodate relatively
The installing plate of minor diameter and relatively large torque-converters, drive shell possesses a series of inside radially extending group
Part 106 is to support securing member.(it is obvious by the diameter of the array hole being positioned on installing plate for shown securing member
Diameter less than torque-converters) stud 108 provide.Therefore, the assembly 106 inwardly stretched out is at drive shell 62
The bigger annular intracavity bag of interior formation carries torque-converters 18 with the sub-assembly of drive shell torque-converters described in generation.
With reference to Figure 12, disconnect-type clutch 14 also includes: barrier ring 110, and it is fixing not with respect to output
The axial displacement of hub 70；Balance partition 112, it is also fixing not with respect to the output axial displacement of hub 70；Return
Spring 114, it is at the other end contact piston 72 of spring and balance partition 112；And the hydraulic cylinder sealed
116, wherein piston is limited by the power of spring 114 and pressure and moves.Hydraulic channel 118 will drive pressure
It is transferred to be positioned at the cylinder portion after piston 72 through axial passage 123 from the outlet 120 of pump case 122
116.When the pressure in passage 118 is higher, piston 72 is resisted the power of spring 114 and is axially moved to the left,
To promote friction plate and the mutual CONTACT WITH FRICTION of dividing plate of clutch 14, thus engage clutch 14.
Axial hydraulic passage 124 by fluid from pump case 122 through passage 126 be transferred to be positioned at piston 72 with
Balance cuts off the cylinder portion 116 between 112.Hydraulic channel 124 also by fluid from pump case 122 through footpath
Rotor R and the stator S of motor 16 it is transferred to passage 92.Passage 92 connects with passage 128, and it guides
Fluid passes the width of motor 16 and arrives on the surface of rotor R.Due to centrifugal force, leave rotor
Fluid flows radially outwards and arrives in contrary axial both sides on the surface of stator S.Heat is taken out of
This fluid of motor 16, shown in the opening 129(Figure 14 in shell 42) flow downwardly to machine oil
Case 52.
The hydraulic fluid filling torque-converters 18 through radial passage 130 from pump P and is positioned at stator axis 40 and becomes
The axial passage 132 in annular space between speed device power shaft 38 transmits.The front end of passage 132 and bending moment
The doughnut of device is connected by radial passage 134, wherein torque-converters by guard shield 136 around and comprise impeller
I, turbine T and stator S.Leave the hydraulic fluid of torque-converters 18 through shape in transmission input shaft 38
The axial passage 138 become transmits, and extends along axle 140.
As shown in figure 12, the stator S of motor is fixed to case of transmission 42 by a series of bolts 150,
It is made up of opening 152.Each bolt 150 is passed through in stator S the hole formed, and each bolt
Thread handle all engage the screwed hole being formed in housing 42.Accurate dimensional tolerance is in the following table of stator S
Face 153, determine by the hole in stator S with between the centrage of bolt 150, and the position of axle 140.
In this way, the distance between the lower surface 153 of axle 140 and stator S is true in accurate dimensional tolerance
Fixed, to determine and to keep the narrower air gap between stator S and the rotor R of motor.
Terminal assembly 154, is located around on the installation surface 156 of opening 152, including containing electric terminal 158
Seat 157, this electric terminal includes that at least one is electrically connected in the laminate 160 of the stator S of motor
The HV Terminal of coil.Each terminal 158 is connected by bolt 162, and the handle of bolt is through by bolt 166
It is fixed to the plate 164 of case of transmission 42.Terminal 158 also is electrically connected and is fixed to insert by each bolt 162
Hole 168, it has bonded connections to the conductor 170 of stator S.Jack 168 and conductor are the most elastic
Ground is flexible, in order to completes and keeps them to the connection of stator S, and need not substantially change surface 153
And the distance between axle 140.
Terminal base assembly 154 is preferably placed at relative to the angled position of axle 140, and terminal 158 is placed in by it
The side of case of transmission 42 rather than be positioned at the higher elevation angle shown in Figure 12.Preferably, terminal
Although 158 are not necessarily parallel to axle along axle 140() and the jack orientation at terminal surface rear portion, as shown in figure 13.
The rotor R of motor 16 is fixed to export hub 70, in order to determines the plane of reference 153 being positioned at stator and turns
Air gap between the radially-outer surface 176 of son.
As Figure 14 shows that shell 44 is fixed to gearbox case 42 by a series of bolts 177.The centering of pump
Plate P is directed into its tram, and whether the most axially, this is due on the centering plate P of pump
Surface 178 and the guide surface 180 on gearbox case 42 between contact.Similarly, pump case 122
Being directed into its tram, this is due on the surface 182 on pump centering plate P and pump case 122
Contact between surface 184.In rear end, the inside table in footpath of the outer surface contact pump centering plate P of stator axis 40
Face, and in front end, the inner radial surface of the outer surface contact torque-converters input hub 74 of stator axis 40.
The axially and radially position of bearing 84 is determined with the contacting of rear wall 48 of shell 44 by it.Clutch is defeated
The axially and radially position entering hub 34 is determined with contacting of bearing 84 by it.The position of the front end of armature spindle 36
Determined with contacting of roller bearing 80 by it, and the position of the rear end of armature spindle 36 is by itself and pump case
The contact of the inner surface of 122 determines.
The position of the front end of output hub 70 and rotor R is by the interior table of the outer surface of armature spindle 36 with output hub 70
Contact between face determines.The axially and radially position of bearing 190 is true with contacting of pump case 122 by it
Fixed.The position of the rear end of output hub 70 and rotor R is determined by contacting between bearing 190 with output hub 70.
In this way, the radial position of the radially-outer surface 176 of the rotor R of motor 16 is oriented to make
Obtain air gap and be parallel to extend from axle 140 and be positioned at the plane of reference 153 of stator and the radially-outer surface of rotor
The radius of 122mm it is preferably about between 176.
Figure 15 shows the torsion damping in the power path between electromotor 12 and drive shell 28,62
Device 196.Electromotor 12 is connected to the input of antivibrator 196 by bent axle flange 30, and around axle 140
The output of antivibrator 196 is connected to drive shell 28,62 by a series of bolt 108 spaced apart from each other.Antivibrator
196 weaken the twisting vibration produced by electromotor.The peripheral edge of antivibrator 196 possesses gear ring 66, its by
Start the little gear joint that motor rotation drives.
Figure 15 shows antivibrator 82 arranged in series between electromotor 12 and transmission input shaft 38
Antivibrator 196.The existence of the antivibrator 196 in dynamical system can eliminate the need to torsional damper 82
Want, the moment of torsion transmission of this torsional damper torque-converters 18 between impeller guard shield 136 and turbine hub 78
In path.When eliminating antivibrator 82, torque-converters 18 and the axial dimension of drive shell 28,62 can be reduced.
As requested, disclosed herein is detailed embodiment of the present invention；It will be appreciated, however, that it is disclosed
Embodiment be only the example of the present invention, these examples can be with various different and selective mode
Realize.Accompanying drawing is not necessarily to scale；Some features may be exaggerated or minimized to show concrete portion
The details of part.Therefore, concrete structure disclosed herein and functional details are not construed as the present invention
Restriction, and be only used to instruct those skilled in the art to use the present invention from many aspects and as having
Representational basis.
Although explained above is exemplary embodiment, but this does not imply that these embodiments illustrate this
Bright all possible form.But, the statement used in description is not limited the statement of explanation,
And it is to be understood that in the case of without departing substantially from present disclosure and scope, can make a variety of changes.
Furthermore, it is possible to combine the feature of the embodiment of various execution to form further embodiment of the present invention.
Claims (6)
1. for the hydraulic circuit of automotive power, it is characterised in that including:
Shell around the moist chamber comprising clutch and motor；
Second housing around the dry chamber comprising torque-converters；
For delivering the fluid to the first line of torque-converters；
For carrying the second circuit of the fluid from torque-converters；
Cut off and the tertiary circuit of motor for delivering the fluid to balance；
For providing the 4th circuit of pressure to clutch；
Wherein, the second circuit is positioned in transmission input shaft, extends between moist chamber and dry chamber.
Hydraulic circuit the most according to claim 1, it is characterised in that also include:
Transmission output shaft；
The stator axis being connected with the stator of torque-converters, wherein, first line is positioned at transmission input shaft and determines
In annular space between sub-axle, and extend between moist chamber and dry chamber.
Hydraulic circuit the most according to claim 1, it is characterised in that also include:
The input hub of the impeller of torque-converters；
It is drivably connected to the armature spindle of described input hub；
It is connected to the output hub of clutch and motor；And
Wherein, in tertiary circuit annular space between armature spindle and output hub.
Hydraulic circuit the most according to claim 1, it is characterised in that also include:
The input hub of the impeller of torque-converters；
It is drivably connected to the armature spindle of described input hub；
It is connected to the output hub of clutch and motor；And
Wherein, in the 4th circuit annular space between armature spindle and output hub.
Hydraulic circuit the most according to claim 1, it is characterised in that also include:
Pump in moist chamber, the clutch being axially located between torque-converters and pump and motor；And
It is positioned in moist chamber for accommodating the fluid provided to pump and the fuel tank of the fluid from motor outflow.
Hydraulic circuit the most according to claim 1, it is characterised in that described circuit is the most with one heart
's.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/325,101 | 2011-12-14 | ||
| US13/325,101 US8758180B2 (en) | 2011-10-11 | 2011-12-14 | Hydraulic circuit for hybrid electric transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103161908A CN103161908A (en) | 2013-06-19 |
| CN103161908B true CN103161908B (en) | 2016-11-23 |
Family
ID=48522253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210395284.XA Active CN103161908B (en) | 2011-12-14 | 2012-10-17 | Hydraulic circuit for hybrid electric variator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103161908B (en) |
| DE (1) | DE102012219179A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11511614B2 (en) * | 2019-06-10 | 2022-11-29 | Schaeffler Technologies AG & Co. KG | Rotor carrier connection |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000289475A (en) * | 1999-04-12 | 2000-10-17 | Aisin Aw Co Ltd | Drive for hybrid vehicles |
| CN101031444A (en) * | 2004-06-03 | 2007-09-05 | 标致·雪铁龙汽车公司 | Wet clutch transmission elements for hybrid drive trains of motor vehicles and vehicles equipped with such elements |
| CN102046408A (en) * | 2008-06-02 | 2011-05-04 | 舍弗勒技术两合公司 | Combined power transmission and drive unit for use in hybrid systems and a hybrid system |
-
2012
- 2012-10-17 CN CN201210395284.XA patent/CN103161908B/en active Active
- 2012-10-22 DE DE102012219179A patent/DE102012219179A1/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000289475A (en) * | 1999-04-12 | 2000-10-17 | Aisin Aw Co Ltd | Drive for hybrid vehicles |
| CN101031444A (en) * | 2004-06-03 | 2007-09-05 | 标致·雪铁龙汽车公司 | Wet clutch transmission elements for hybrid drive trains of motor vehicles and vehicles equipped with such elements |
| CN102046408A (en) * | 2008-06-02 | 2011-05-04 | 舍弗勒技术两合公司 | Combined power transmission and drive unit for use in hybrid systems and a hybrid system |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102012219179A1 (en) | 2013-06-20 |
| CN103161908A (en) | 2013-06-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103158801B (en) | Assembly method for hybrid electric speed changer | |
| CN103042908B (en) | modular hybrid transmission | |
| US8758180B2 (en) | Hydraulic circuit for hybrid electric transmission | |
| US9365103B2 (en) | Torsion damper for hybrid electric transmission | |
| US9263924B2 (en) | Motor support for a hybrid electric transmission | |
| US8226514B2 (en) | Multi-speed transmission with axis transfer | |
| CN103158529B (en) | Torsional damper for hybrid electric speed changer | |
| CN109177716B (en) | Dynamical system for hybrid vehicle | |
| US8342996B2 (en) | Multi-speed transmission with multi-axis transfer | |
| CN103770638B (en) | Electrically-variable transmission for a vehicle | |
| US8317648B2 (en) | Single mode compound power-split hybrid transmission | |
| US7645208B2 (en) | Multi-speed transmission | |
| CN101988561A (en) | Automatic transmission | |
| US10759265B2 (en) | Planetary automatic transmission | |
| US10328786B2 (en) | Hybrid transmission for a motor vehicle | |
| US20160040755A1 (en) | Multi-Speed Gearbox | |
| CN201777128U (en) | Vehicle driving system | |
| US20120178574A1 (en) | Motor module assembly | |
| CN106369116A (en) | Hybrid transmission | |
| JP2019086008A (en) | Power transmission device and vehicle including the same | |
| CN102758901B (en) | There is the automatic transmission of torque converter bypass | |
| JP6506366B1 (en) | Method of controlling operation of power transmission device | |
| CN103166360B (en) | For the support of motor of hybrid electric speed changer | |
| CN113910881A (en) | Electric drive axle based on clutch planet shifts | |
| CN103161908A (en) | Hydraulic circuit for hybrid electric transmission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |