CN103166360B - For the support of motor of hybrid electric speed changer - Google Patents
For the support of motor of hybrid electric speed changer Download PDFInfo
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- CN103166360B CN103166360B CN201210397708.6A CN201210397708A CN103166360B CN 103166360 B CN103166360 B CN 103166360B CN 201210397708 A CN201210397708 A CN 201210397708A CN 103166360 B CN103166360 B CN 103166360B
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- torque
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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
- 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
- B60K6/26—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 motors or the generators
-
- 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
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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
- 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
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
A kind of assembly for the motor for being used to support automotive power, stator including shell, fixed to the shell, the bearing of radial position with being determined by shell, the component of contact bearing and the rotor fixed to the component, the rotor is included through air gap and the radially spaced radially-outer surface of stator, and the air gap is determined by the contact between bearing and the component.
Description
Technical field
The present invention relates to the dynamical system of hybrid electric vehicle more particularly to the rotor of supporting motor and stator with
Generate and maintain therebetween accurate air gap.
Background technology
Hybrid electric vehicle (HEVs) has internal combustion engine and motor, they can be alternately or with combination
Mode is used to promote vehicle.A variety of different power train uses are in hybrid vehicle.The present invention relates to parallel configuration, wherein
Engine is connected to motor, the torque-converters input of motor drive automatic transmission by disconnect-type clutch.Fluid power
Speed changer has the output for being connected to the differential mechanism coupled with two driving wheels of vehicle.This mixing in parallel known in the art is dynamic
The transmission chain power flow arrangement of power electric vehicle.
HEV designer's problems faceds be how the rotor and stationary part of cooling separation type clutch and motor.
The various cooling systems based on air and liquid have been proposed；However, most of system be all it is expensive and when attempt by
Non-hybrid vehicle is converted into causing packing problem during the hybrid power method of operation.Need by disconnect-type clutch, motor,
Torque-converters and automatic transmission are packed in a compact manner, so that conventional truck can be with relatively low cost and seldom vehicle
Vehicle body changes or changes to be reconfigured for hybrid power system there are automobile body.
Invention content
It is a kind of for supporting the assembly of the motor of automotive power, stator including shell, fixed to shell has
The bearing of radial position, the component of contact bearing and the rotor fixed to the component determined by shell, the rotor packet
It includes through air gap and the radially spaced radially-outer surface of stator, the air gap is determined by the contact between bearing and the component.
The present invention relates to novel hybrid electric vehicle and multiple novel components and subassembly, are particularly suitable for
Reposition the disconnect-type clutch and motor in the wet side of automatic transmission.This is not changing engine, separate type clutch
It is completed in the case of the conventional power stream that device, motor, torque-converters, speed changer are connected in series with.
The present invention provides connect the engine to the disconnect-type clutch that is repositioned in automatic transmission shell
The drive shell of input side, and not as torque-converters is connected directly to engine typically in non-hybrid vehicle.It passes
Dynamic shell constitutes the annular chamber that size freely accommodates torque-converters enough.Motor also is located in the wet area of automatic transmission, this is wet
Area's preferably annulate shaft surrounds disconnect-type clutch.The rotor of motor is connected to the output of disconnect-type clutch.Separate type clutch
Device exports and rotor is coupled to the armature spindle being connect with the input turbine of torque-converters.Torque converter stator and output turbine connect respectively
It is connected to tubular stator axis and transmission input shaft.Transmission input shaft, stator axis, armature spindle and disconnect-type clutch hub
(hub) all concentrically with respect to one another, it and can be used by the annular opening of automatic transmission shell front side.
Similar with conventional torque converter, torque-converters and drive shell can be removably mounted at before gearbox case.It will
Drive shell is connected to installing plate rather than torque-converters is connected to engine installing plate.Torque-converters drive shell intracavitary relative to
Drive shell rotates freely, and forms compact and axially shorter motor/transmission assembly.By by disconnect-type clutch and electronic
Machine is coaxially placed in the forepart in the wet area of automatic transmission, and transmission pressure fluid pump, relevant pump and pipe-line system can be with axis
Relatively small increase carrys out the rotor and stationary part of cooling separation type clutch and motor in length.
Although generally similar with conventional torque converter, unique change has been carried out to torque-converters in order to implement the present invention
It makes.Since torque-converters is not attached to engine installing plate, so without providing installation stud on the shell of torque-converters.And in being to provide
Heart axial bearing assemblies, the engine installing plate of bearing assembly corresponding with having cooperate radially to support torque-converters and axis
Movement to ground limitation forward direction.The back towards thrust bearing assembly in torque-converters, with transmission input shaft from
It is moved axially in a rearward direction by end cooperation with limiting torque-converters.
In order to implement the present invention, gearbox case preferably also carries out unique transformation.Gearbox case includes part and defines
The wet shell in the wet area of closing and and converter housing, transform that side is fixed on wet shell and opposite side is fixed on hair as
In motivation group.Converter housing has the rear wall that boundary is formed between wet chamber and drying chamber, wherein torque-converters and drive shell quilt
Orientation.Rear wall defines looping pit, cooperates with disconnect-type clutch input hub, with the associated rotor part of motor and detaching
Together, bearing inputs hub and armature spindle to formula clutch output hub.
Description of the drawings
Fig. 1 is the schematic diagram for the hybrid electric vehicle that there is Parallel power-flow to design；
Fig. 2 is the disconnect-type clutch repositioned in the present invention and the rough schematic view of motor；
Fig. 3 is the simplification viewgraph of cross-section of automatic electric motivation/transmission assembly of the present invention；
Fig. 4 a are the more detailed cross-sectional side elevation views of automatic electric motivation/transmission assembly of the present invention；
Fig. 4 b are the graphical diagrams of motor/transmission assembly of Fig. 4 a；
Fig. 4 c are six forward gears and the respective clutch application table of reverse gear shift；
Fig. 5 is the enlarged view of the cross section of the torque-converters in cooperating with disconnect-type clutch and motor；
Fig. 6 is the enlarged view of disconnect-type clutch and motor；
Fig. 7 is the enlarged view of the engine output and transmission input shaft on installing plate torque-converters, and it illustrates them
Axial direction；
Fig. 8 is the perspective view for implementing the installing plate of the present invention；
Fig. 9 is the perspective view for implementing the torque-converters of 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 for containing torque converter；
Figure 12 is the side cross-sectional views for being located at automotive power parts more than central axes；
Figure 13 is the vertical view of terminal seat assembly；
Figure 14 is the side cross-sectional views for being located at the automotive power part below central axes；
Figure 15 is the side cross-sectional views more than central axes of automotive power, and it illustrates positioned at engine and torque-converters
Between torsional damper.
Specific embodiment
Fig. 1 illustrates hybrid electric vehicle 10, is showed schematically with parallel connection type hybrid electric power train.It is mixed
Close the engine 12 that power electric vehicle has the rotation output with the disconnect-type clutch 14 for being connected to drive motor 16.
The output of motor is connected to the input of torque-converters 18, and the output of torque-converters is connected to the input shaft of automatic transmission 20.It is passing
In system mode, automatic transmission is connected to driving wheel 22,22 ' by differential mechanism 24.In the diagram, hybrid electric vehicle 10
Have a pair of of non-driving wheel, However, alternatively, the vehicle that can actually drive vehicle all using transfer gear and the second differential mechanism
Wheel.Engine, disconnect-type clutch, motor, torque-converters and automatic transmission are sequentially connected in series with, as shown in fig. 1.
Motor/transmission assembly 26 in the hybrid electric vehicle 10 ' illustrated schematically that in fig. 2 is in holding and Fig. 1
Shown in equal-wattage stream while ressemble transmission parts.By forming doughnut, (it is large enough to surround engine 12
Torque-converters 18 extends) drive shell 28 be mechanically connected to input side above disconnect-type clutch 14.Disconnect-type clutch 14
Output be connected to motor 16, motor and then the impeller " I " for being connected to torque-converters 18.The use of drive shell 28 allows to detach
Formula clutch and motor are located in the wet side of automatic transmission shell.Turbine " T " is connected to the output of torque-converters 18, torque-converters
It is connected to the input shaft of automatic transmission in a conventional manner.The present invention can be implemented using huge variety of automatic transmission.
The preferred embodiment of speed changer described here is six kinds of gear speed, three planetary gear sets, designs of five clutches；Have
The optional speed changer structure of less or more speed and different mechanical realizations can equally benefit from the present invention.
The more detailed of motor/transmission assembly 26 but very simple illustration are shown in Fig. 3.Engine has to pass
System mode is fixed by bolts to the bent axle output flange 30 on installing plate 32.Installing plate 32 is fixed on diameter enough around torque-converters
And it is connected on the drive shell 28 of the input hub (hub) 34 of disconnect-type clutch 14 rather than is connected to the shell of torque-converters.Point
Output from formula clutch is fixed on rotor " R " part of motor 16, and and then is connected to armature spindle 36.Armature spindle 36 is same
Axis is nested in disconnect-type clutch input hub 34, and extends to the wall portion of the gearbox case for the wet zone for defining speed changer
On annular opening.Armature spindle 36 is connected to the impeller " I " of torque-converters 18, impeller and then drive connection to transmission input shaft 38
Turbine T.What is coaxially separated between the internal diameter of armature spindle 36 and the periphery of transmission input shaft 38 is stator axis 40, opposite
In gearbox case be it is fixed and support be located at torque-converters 18 in stator component S.
Preferably, the housing of motor/transmission assembly by partly define wet area's chamber of closing wet shell 42 and
The converter housing 44 being fixed on wet shell 42 and cluster engine 46 is transformed into form.Converter housing 44 is preferably provided with
There is the rear wall 48 of ring shaped axial opening 50 on transmission centerline.Rear wall 48 is in gearbox case Zhong Shi area's chambers and drying chamber
Between form physical boundary.Torque-converters 18 and drive shell 28 are shown disposed on dry section.Rear wall 48 and disconnect-type clutch are defeated
Enter hub 34 to cooperate, disconnect-type clutch input hub and then the rotor portion of supporting motor armature spindle 36 and relevant motor 16
R。
Motor/transmission assembly has in the pump P of the hydraulic fluid of wet area's interior orientation of gearbox case, and
It is driven by armature spindle 36.Pump P provide pressurization hydraulic fluid come clutch in operation transmission power train and brake with
And it manipulates disconnect-type clutch and provides cooling for clutch and motor 16.Similarly, disconnect-type clutch and motor
Share the shared sump 52 for transmission fluid and shared shared pump screen 54.Automatic transmission 20 has output shaft
56.Fig. 4 a are the cross-sectional side elevation views of motor/transmission assembly 26.It is stressed again that the present invention can use it is a variety of not
Same transmission gear train configuration, and it is not limited to disclosed six kinds of gear speed, three planetary gear set transmissions.
With reference to the graphical diagram of figure 4b, the preferred embodiment of the multiple-speed gear-box shown in Fig. 4 a is easier to understand.Come spontaneous
The input driving of motivation is fixed on the installing plate 32 on the drive shell 28 for the input hub 34 for being connected to disconnect-type clutch 14.Separation
The outlet side of formula clutch 14 is connected to the rotor portion of motor 16, the rotor portion and then is connected to armature spindle 36.Turning
What is coaxially oriented in sub- axis 36 is mounted to the fixed stator axis 40 of case of transmission and transmission input shaft 38.Bending moment
Device impeller I is drivingly connected to the torque converter turbine T of transmission input shaft 38.Torque-converters 18 is also equipped with pacifying by one-way clutch 56
Stator S in stator axis 40.In a preferred embodiment, torque-converters 18 is also equipped in known manner being locked to turbine
The lock-up clutch 58 of impeller.
The gear set of planetary automatic transmission 20 is made of three planetary stages：Planet 1, planet 2 and planet 3, as shown in the figure,
Their arranged in co-axial alignment and axially-spaced.Each planetary gear set has sun gear, gear ring and is supported on planet carrier
On a series of planetary gears.Sun gear, gear ring and planet carrier component can pass through a series of five clutches and system
Dynamic device interconnection.For example, in the first gear, clutch A and brake D are engaged as described in Fig. 4 c clutch application tables.Speed changer
Input shaft 38 is connected to the gear ring of planetary gear set planet 1.Sun gear is fixed and planet carrier is connected by clutch A
It is connected to the sun gear of planetary gear set 3.When clutch D is engaged, the planet carrier of planetary gear set 3 is fixed, and leads to planetary gear
The gear ring driving transmission output shaft 56 of group 3.In order to convert to the second gear, release brake D is and at the same time engagement brake C
To cause the variation of speed changer gear ratio.Conversion every time, no matter being all by unclamping a clutch or system upwards or downwards
Dynamic device simultaneously engages another realization.Similarly, the conversion reversed gear from first is by unclamping single clutch, simultaneously engaging with another
One clutch is completed.
Planetary gear set 2 and 3 shares public planetary component and shared gear ring.Planetary gear set 1 and 2 is traditional, simple
Planetary gear set, and planetary gear set 3 is the compound planetary gear set with a pair of intermeshing planet, this is to mutually nibbling
An engagement sun gear in the planet of conjunction, a soldered tooth torus.In fig. 4b in the embodiment described, compound planetary cloth
Putting allows third planet gear set using smaller sun gear, so as to obtain higher gear reduction ratio.In addition, description planet
Gear set is merely to illustrate that preferred embodiment, however, the present invention can also use huge variety of automatic transmission knot
Structure is implemented.
Fig. 5 is sectional view, and the optional drive shell for being expressed as adapting to smaller diameter installing plate 64 and designing arranges 62.
The output flange 30 of engine crankshaft passes through one group in the installing plate bolt with the hole of installing plate spaced on center by a series of
It is fixed on installing plate 64.The peripheral edge of installing plate 64 has gear ring 66 to cooperate with the pinion gear for starting motor.Installation
The interior side of the periphery of plate is that a series of sizes can accommodate the hole of threaded fastener so that drive shell 62 is connected to installing plate
64.In an illustrated embodiment, drive shell 62 has stud 108, and spiral shell is received across one group of hole in installing plate 64
Mother is drive shell is securely fixed on installing plate.Nut can optionally weld on a mounting board to receive across installing plate
In hole bolt.In order to reduce torque ripple, installing plate can also optionally include double mass damper (not shown).
Different from traditional automatic transmission vehicle, torque-converters 18 is not fixed by bolts on engine installing plate, but
It is rotated freely in the annular chamber defined by drive shell 62 and installing plate 64.The rear end of drive shell forms tubulose drive shell spout assembly
68, which is connected to disconnect-type clutch input hub 34." rear " refers to the direction towards transmission output shaft 56, the direction
Can be the rear portion of vehicle in traditional rear wheel drive front-mounted engine vehicle, however, using term " rear " and " preceding " be for
Simple and explanation purpose.What they were not necessarily meaned is the front and rear of vehicle, because if being to be transversely mounted on front-wheel
It is just not the case in driving vehicle.The front side of torque-converters 18 is not typically used in the bolt for being connected to installing plate.
Preferably, drive shell tubulose output hub 68 has internal spline to input the complementation on hub 34 with disconnect-type clutch
External splines axially cooperates.Disconnect-type clutch 14 has a series of spaced plates, is optionally connected to input hub 34
With output hub 70.Separate type hub annular piston 72 exports the corresponding intracavitary cooperation formed in hub 70 in disconnect-type clutch, and
And it can axially be converted between the latched position of extension and retraction position, wherein, disconnect-type clutch is promoted to live when receiving
Latched position in extension during the hydraulic pressure signal of plug 72, when the signal is not present in retraction position.It is fixed on separate type
The periphery of clutch output hub 70 is rotor R.Disconnect-type clutch exports hub 70 and rotor R is all mounted and fixed on armature spindle
On 36.Armature spindle 36 has the outer flower of size with the complementary internal spline on the torque-converters of impeller I input hub 74 is driven to cooperate
Key.Torque-converters 18 is also equipped with the stator S being mounted on stator hub 76 and is connected by the torsional damper 82 described in Fig. 5
To the output turbine T of turbine output hub 78.Turbine output hub 78 has the internal spline to cooperate with transmission input shaft 38.Stator hub
76 are mounted in stator axis 40, are fixed on gearbox case and extend transmission case.In the shown embodiment, with biography
Stator is mounted on one-way clutch center by system mode.
Torque-converters 18 and drive shell 62 are fitted close together from the component of four different arranged in co-axial alignment in speed changer, and
And slip off or close as the conventional torque converter in automatic transmission in installation process, simply there are one additionally same for tool
The tubulose output 68 of shaft assembly, i.e. drive shell 62.Therefore, the volume of very little in motor/transmission assembly is occupied using drive shell
Outer axial space.However, some in gearbox case are but occupied for speed changer increase disconnect-type clutch 14 and motor 16
Additional axial space.As shown in Figure 6, motor is coaxially oriented with the disconnect-type clutch in motor rotor R.Electricity
Motivation stator S is securely fixed in by the bolt that a series of ring-types of stator lasmination is passed through to separate on gearbox case.Motor
Rotor R is mounted on the periphery of disconnect-type clutch output hub 70 being supported on armature spindle 36.
Armature spindle 36 is by being placed in the roller bearing 80 between armature spindle 36 and separate type input clutch hub 34 come radially
Positioning.The outer diameter of disconnect-type clutch input hub is supported on by bearing 84 on the wall 48 in gearbox case.Bearing 84 designs
To export the radial load of hub assembly insertion with axial load and rotor disconnect-type clutch.Disconnect-type clutch exports hub
70 are also axially limited by thrust bearing 86 and 88.In addition, annulate shaft roller bearing 90 be placed in disconnect-type clutch output hub 70 with
To be axially located armature spindle 36 and relevant disconnect-type clutch and rotor between stator axis 40.
Disconnect-type clutch output hub 70, which has, makes transmission fluid flow into rotor R by disconnect-type clutch output hub
Interior coolant passage 92.When fluid by and when leaving the rotor R of rotation, across stator S coil with by waste heat
It is removed from stator coil and relevant stator lasmination.As shown in Figure 6, disconnect-type clutch output hub 70 is also equipped with driving
The output spline 94 of dynamic pump P.
Because torque-converters 18 is no longer secured on engine installing plate, torque-converters must be axially and radially limited.
Torque-converters 18 is pivotally supported on the engine installing plate 32 and 64 in Fig. 3 and 5.Engine installing plate 32,64 has axial direction
The clutch shaft bearing component 96 of installation cooperates with the second bearing component to match on torque-converters 18.As shown in Figure 7, preferably
Clutch shaft bearing component in embodiment is by being supported in bearing outer ring 98 (it is fixed on the installing plate on transmission centerline)
Roller bearing 96 provide.Corresponding second bearing component is provided by the short axle 100 being fixed on the shell of torque-converters 18.Short axle is
Torque-converters provides radial support, and bearing 96 also provides axial retention in a forward direction for torque-converters.In order to limit bending moment
Device moves backward, and torque-converters has back-oriented thrust bearing 102 on the longitudinal center line inside shell, to engage speed changer
The end regions of input shaft 38.Of course, it is possible to using optional structure, such as short axle is placed on installing plate and by roller bearing
It is placed on torque converter casing.
Motor/transmission assembly 26, as it was noted above, having used the novel subassembly of multiple independences.Fig. 8 is by disk
The perspective view of the installing plate 64 of composition, which has the clutch shaft bearing component of central axial arrangement, i.e., outside bearing
Roller bearing 96 in circle 98.Disk has a mounting hole of two circular array, and an array is adjacent to center to be connected to engine
Bent axle, another array is adjacent to periphery to be connected to drive shell 28.
Torque-converters 18 described in Fig. 9 is equally novel.The converter housing does not have conventional mounting stud, and has
Central axial second bearing component, in this case its provided by short axle 100.Other axial centres can also optionally be used
Bearing assembly, as long as their corresponding on installing plate bearing arrangements cooperations are become with bearing that radial load and providing determines
The forward stop of square device movement.Torque-converters has the circular rear towards the pipe-type outlet hub 68 for being connected to armature spindle 36, with
And towards the rear portion of the thrust bearing 102 on the center line in shell as shown in Figure 7 to abut the end of transmission input shaft 38
End.
Figure 10 illustrates the perspective view of drive shell 28.Drive shell is that have to arrive enough free rings greatly around the periphery of torque-converters knot
The ring-shaped component of structure.The leading edge of drive shell 28 has a series of fasteners 104 spaced apart to cooperate with installing plate 32.Transmission
The rear end of shell forms tubulose output 68, preferably has and is provided with the internal diameter of spline to engage on disconnect-type clutch input hub 34
Corresponding spline.The fastener 104 spaced apart is a series of welding screws, however, welding screw can be also used for
The bolt cooperation in corresponding hole across in installing plate.
Figure 11 illustrates the optional drive shell embodiment 62 in Fig. 5 as previously described.In order to accommodate small diameter
Installing plate and relatively large torque-converters, drive shell have a series of inwardly radially extending components 106 to support fastener.Institute
Show that fastener is provided by the stud 108 for being located at the diameter (it is significantly less than the diameter of torque-converters) of the array hole on installing plate.Cause
This, contains torque-converters 18 to generate the biography in the larger annular chamber that the component 106 inwardly stretched out is formed in drive shell 62
The sub- assembly of dynamic shell torque-converters.
With reference to figure 12, disconnect-type clutch 14 further includes：Barrier ring 110 is fixed not relative to 70 axial position of output hub
It moves；Balance partition 112, it is also fixed not relative to output 70 axial displacement of hub；Return spring 114, in the other end of spring
Contact piston 72 and balance partition 112；And sealing hydraulic cylinder 116, wherein piston be limited by spring 114 power and pressure and
It is mobile.Driving pressure is transferred to by axial passage 123 positioned at piston 72 by hydraulic channel 118 from the outlet of pump case 122 120
Cylinder portion 116 below.When the pressure in channel 118 is higher, piston 72 resists the power of spring 114 axially to moving to left
It is dynamic, to push the friction plate of clutch 14 and the mutual CONTACT WITH FRICTION of partition board, so as to engage clutch 14.
Fluid is transferred to by axial hydraulic channel 124 from pump case 122 by channel 126 to be separated positioned at piston 72 and balance
Cylinder portion 116 between 112.Fluid is also transferred to motor by hydraulic channel 124 from pump case 122 by radial passage 92
16 rotor R and stator S.Channel 92 is connected with channel 128, and directing fluid passes through the width of motor 16 and reaches rotor R
Surface on.Due to centrifugal force, the fluid for leaving rotor flows radially outwards in opposite axial both sides and reaches stator S's
On surface.Heat is taken out of to this fluid of motor 16, machine is flowed downwardly to (shown in Figure 14) by the opening 129 in shell 42
Fuel tank 52.
The hydraulic fluid for filling torque-converters 18 is inputted from pump P by radial passage 130 and positioned at stator axis 40 and speed changer
Axial passage 132 in annular space between axis 38 transmits.The front end of channel 132 and the doughnut of torque-converters are logical by radial direction
Road 134 connects, and wherein torque-converters is surround by shield 136 and comprising impeller I, turbine T and stator S.Leave torque-converters 18
Hydraulic fluid passes through the axial passage 138 formed in transmission input shaft 38 and transmits, and extend along axis 140.
As shown in figure 12, the stator S of motor is fixed to case of transmission 42 by a series of bolts 150, by opening 152
Composition.Each bolt 150 passes through the hole formed in stator S, and the thread handle of each bolt engages and is formed in housing
Threaded hole in 42.Accurate dimensional tolerance in the lower surface of stator S 153, pass through the hole in stator S and the center of bolt 150
It is determined between the position of line and axis 140.In this way, the distance between lower surface 153 of axis 140 and stator S is in precision
Dimensional tolerance in determine, to determine and keep relatively narrow air gap between the stator S of motor and rotor R.
Terminal assembly 154 is located around in the installation surface 156 of opening 152, should including the seat 157 containing electric terminal 158
Electric terminal includes the HV Terminal of the coil in the laminate 160 of at least one stator S for being electrically connected to motor.Each end
Son 158 is all connected by bolt 162, and the handle of bolt passes through the plate 164 that case of transmission 42 is fixed to by bolt 166.Each bolt
Terminal 158 is also electrically connected and is fixed to jack 168 by 162, has bonded connections to the conductor 170 of stator S.Jack 168 and conductor
It is all flexibly flexible in the bent state, to complete and keep their connections to stator S, and without substantially changing table
The distance between face 153 and axis 140.
Terminal seat assembly 154 is preferably placed at the position being at an angle of relative to axis 140, and terminal 158 is placed in transmission case
The side of body 42 rather than positioned at the higher elevation angle shown in Figure 12.Preferably, terminal 158 along axis 140 (although need not put down
Row in axis) and terminal surface rear portion jack orientation, as shown in figure 13.
The rotor R of motor 16 is fixed to output hub 70, to determine the radial direction of the plane of reference 153 positioned at stator and rotor
Air gap between outer surface 176.
As Figure 14 shows that shell 44 is fixed to gearbox case 42 by a series of bolts 177.The centering plate P of pump is guided
It is whether radially or axial into its correct position, this is because surface 178 and gearbox case on the centering plate P of pump
The contact between guide surface 180 on 42.Similarly, pump case 122 is directed into its correct position, this is because pump is fixed
Contact between surface 182 on core P and the surface 184 on pump case 122.In rear end, the outer surface contact of stator axis 40
The inner radial surface of centering plate P is pumped, and in front end, the inside table of diameter of the outer surface contact torque-converters input hub 74 of stator axis 40
Face.
The axially and radially position of bearing 84 is determined by the contact of its rear wall 48 with shell 44.Clutch input hub 34
Axially and radially position is determined by its contact with bearing 84.The position of the front end of armature spindle 36 is by its connecing with roller bearing 80
It touches and determines, and the position of the rear end of armature spindle 36 is determined by the contact of its inner surface with pump case 122.
The position of the front end of hub 70 and rotor R is exported by between the outer surface of armature spindle 36 and the inner surface of output hub 70
Contact determines.The axially and radially position of bearing 190 is determined by its contact with pump case 122.After exporting hub 70 and rotor R
The position at end is determined by the contact between bearing 190 and output hub 70.
In this way, the radial position of the radially-outer surface 176 of the rotor R of motor 16 is positioned such that air gap is put down
Row in from axis 140 extend and positioned at stator the plane of reference 153 and rotor radially-outer surface 176 between be preferably about
The radius of 122mm.
Figure 15 shows the torsional damper 196 in the power path between engine 12 and drive shell 28,62.Hair
Motivation 12 is connected to the input of damper 196 by bent axle flange 30, and around a series of bolts spaced apart from each other of axis 140
The output of damper 196 is connected to drive shell 28,62 by 108.Damper 196 weakens the twisting vibration generated by engine.Resistance
The peripheral edge of Buddhist nun's device 196 has gear ring 66, is engaged by the pinion gear that starting motor rotation drives.
Figure 15 shows the damper of 82 arranged in series of damper between engine 12 and transmission input shaft 38
196.The presence of damper 196 in dynamical system can eliminate the needs to torsional damper 82, which is located at
In the torque transmission paths of torque-converters 18 between impeller shield 136 and turbine hub 78.When eliminating damper 82, can reduce
The axial dimension of torque-converters 18 and drive shell 28,62.
As requested, disclosed herein is detailed embodiments of the present invention；It will be appreciated, however, that the disclosed embodiments are only
Only it is the example of the present invention, these examples can be realized in a manner of a variety of different and is selective.Attached drawing be not necessarily according to
Ratio；Some features may be exaggerated or minimized the details to show specific component.Therefore, concrete structure disclosed herein
Limitation of the present invention is not construed as with functional details, and is made from many aspects just for the sake of introduction those skilled in the art
By the use of the present invention as representative basis.
Although explained above is exemplary embodiment, but this does not imply that these embodiments illustrate the present invention it is all can
The form of energy.However, the sentence used in specification is not limited the sentence of explanation, and it is to be understood that without departing substantially from
In the case of present disclosure and range, it can make a variety of changes.Furthermore, it is possible to the spy of the embodiment with reference to various execution
It levies to form other embodiment of the present invention.
Claims (5)
1. a kind of assembly for the motor for being used to support automotive power, which is characterized in that include：
Shell；
Speed changer；
Torque-converters, the torque-converters have stator axis, and the stator axis is fixed to the shell and same with transmission input shaft
Axis separates；
Motor stator fixed to the shell between the torque-converters and the speed changer；
Bearing with the radial position determined by the stator axis；
Contact the clutch output hub of the bearing；
Rotor fixed to clutch output hub, the rotor are included through air gap and the radially spaced diameter of motor stator
Exterior surface, the air gap are determined by the contact between bearing and clutch output hub；
Drive shell, for the drive shell around the torque-converters, the drive shell rear end forms tubulose output, the tubulose output with
Clutch input hub engagement；
And there is the rear wall radially extended to distinguish the housing in dry area and wet area；
Second bearing on the rear wall；
Hub is inputted with the clutch by contacting determining axially and radially position with the second bearing.
2. assembly as described in claim 1, which is characterized in that further include：
3rd bearing in the inner radial surface of clutch input hub；
With the armature spindle that radial position is determined by being contacted with the 3rd bearing.
3. assembly as described in claim 1, which is characterized in that further include：
The second bearing is contacted by the rear wall with shell and determines axially and radially position；
Positioned at the clutch export hub and the clutch input hub between thrust bearing, for limit rotor and it is described from
Clutch exports displacement of the hub in first axial direction.
4. assembly as described in claim 1, which is characterized in that the bearing has the axial position determined by pump case, uses
To limit the rotor and clutch output hub in the displacement of first axial direction, further include：
The second bearing is contacted by the rear wall with shell and determines axially and radially position；
Positioned at the clutch export hub and the clutch input hub between thrust bearing, for limit rotor and it is described from
Clutch exports hub in the second axial direction displacement.
5. assembly as described in claim 1, which is characterized in that further include：
3rd bearing in the inner radial surface of clutch input hub；
Contact 3rd bearing simultaneously has the armature spindle that radial position is determined by being contacted with the 3rd bearing, the 3rd bearing
Limit the displacement of rotor and clutch output hub in the first radial direction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/325,137 US9263924B2 (en) | 2011-10-11 | 2011-12-14 | Motor support for a hybrid electric transmission |
| US13/325,137 | 2011-12-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103166360A CN103166360A (en) | 2013-06-19 |
| CN103166360B true CN103166360B (en) | 2018-07-06 |
Family
ID=48522255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210397708.6A Active CN103166360B (en) | 2011-12-14 | 2012-10-18 | For the support of motor of hybrid electric speed changer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103166360B (en) |
| DE (1) | DE102012219250A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11469646B2 (en) * | 2018-07-09 | 2022-10-11 | Schaeffler Technologies AG & Co. KG | Oil distribution in a hybrid module |
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| US5427196A (en) * | 1992-07-08 | 1995-06-27 | Kabushikikaisha Equos Research | Electric motor drive system |
| JP2000185566A (en) * | 1998-12-24 | 2000-07-04 | Toyota Motor Corp | Hybrid power plant |
| US7114604B2 (en) * | 2003-12-18 | 2006-10-03 | Fuji Jukogyo Kabushiki Kaisha | Torque converter |
| 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 |
| US7396308B2 (en) * | 2004-12-21 | 2008-07-08 | Toyota Jidosha Kabushiki Kaisha | Vehicular drive system |
| JP2010120543A (en) * | 2008-11-20 | 2010-06-03 | Toyota Motor Corp | Driving device for vehicle |
| CN102192315A (en) * | 2010-03-19 | 2011-09-21 | 丰田自动车株式会社 | Control device of vehicle drive-train system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2303863T3 (en) * | 2001-12-26 | 2008-09-01 | Toyota Jidosha Kabushiki Kaisha | MOTOR DEVICE FOR HYBRID VEHICLE. |
| DE102008026426A1 (en) * | 2007-06-20 | 2008-12-24 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Hydrodynamic coupling device for use in vehicle transmission in motor vehicle i.e. hybrid vehicle, has pump and turbine located in housing, where turbine is in connection with pump, and chamber partially enclosed by housing and plate |
| US8622182B2 (en) * | 2009-11-19 | 2014-01-07 | Aisin Aw Co., Ltd. | Vehicle drive device |
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2012
- 2012-10-18 CN CN201210397708.6A patent/CN103166360B/en active Active
- 2012-10-22 DE DE102012219250A patent/DE102012219250A1/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5427196A (en) * | 1992-07-08 | 1995-06-27 | Kabushikikaisha Equos Research | Electric motor drive system |
| JP2000185566A (en) * | 1998-12-24 | 2000-07-04 | Toyota Motor Corp | Hybrid power plant |
| US7114604B2 (en) * | 2003-12-18 | 2006-10-03 | Fuji Jukogyo Kabushiki Kaisha | Torque converter |
| 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 |
| US7396308B2 (en) * | 2004-12-21 | 2008-07-08 | Toyota Jidosha Kabushiki Kaisha | Vehicular drive system |
| JP2010120543A (en) * | 2008-11-20 | 2010-06-03 | Toyota Motor Corp | Driving device for vehicle |
| CN102192315A (en) * | 2010-03-19 | 2011-09-21 | 丰田自动车株式会社 | Control device of vehicle drive-train system |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102012219250A1 (en) | 2013-06-20 |
| CN103166360A (en) | 2013-06-19 |
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