CN104776131B - Separation clutch for modular hybrid electric vehicle - Google Patents
Separation clutch for modular hybrid electric vehicle Download PDFInfo
- Publication number
- CN104776131B CN104776131B CN201510017555.1A CN201510017555A CN104776131B CN 104776131 B CN104776131 B CN 104776131B CN 201510017555 A CN201510017555 A CN 201510017555A CN 104776131 B CN104776131 B CN 104776131B
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- CN
- China
- Prior art keywords
- shell
- fixed
- spline
- component
- disk
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
- F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
- F16D25/063—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially
- F16D25/0635—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs
- F16D25/0638—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
Abstract
A kind of assembly comprising be fixed against the shell of axial displacement, include the clutch for being fixed to the first disk of shell by spline, the component for being fixed against axial displacement --- it supports shell and is fixed to shell, the fixing piece for limiting the axial movement of the first disk and component along spline and the piston for pushing disk towards fixing piece along spline by spline.
Description
Cross reference to related applications
This case is that on January 31st, 2012 is submitting, continuation-in-part application of No. 13/362,018 pending U. S. application.
Background technique
The present invention relates to a kind of power drive systems of hybrid electric vehicle, may be mounted at more particularly to one kind
Between engine output and speed changer input and it is fixed on the power train module in the two.
Hybrid electric vehicle (HEV) has internal combustion engine and motor simultaneously, they alternately or join together to use
In propulsion vehicle.A variety of different power drive systems, such as configured in parallel are used in hybrid vehicle, wherein engine is logical
Excessively luxuriant clutch is connected to motor, and motor drives the fluid torque-converter input of automatic power speed changer.Speed changer has connection
To the output of differential mechanism, differential mechanism is coupled to two driving wheels of vehicle.
Need to provide a kind of hybrid electric power drive system in industry comprising with various engines and speed changer
The module beggar's assembly being used together, so that module may be mounted at one output and several speed changers in several engines
In one input between, and be fixed in the two.The power drive system of assembly can then be applied in various vehicles.
Module should include the separation clutch of hydraulic-driven, and the suitable of speed changer input is led between motor and engine and motor
Power path.Preferably, which is valid to the hydraulic communication of clutch, balance dam and motor from the hydraulic system of speed changer
It is standby.The module must provide the oil sump containing the hydraulic fluid for being sent to module and constantly return to speed changer for fluid
The path of oil sump, so that transmission pump is reliably constantly supplied with fluid.
The module should need low manufacture and assembly cost, and modify without automobile body, and should provide can
The performance leaned on.
Summary of the invention
According to the present invention, a kind of assembly is provided comprising be fixed against the shell of axial displacement including consolidate by spline
The clutch of fixed the first disk to shell, the component for being fixed against axial displacement --- it supports shell and is fixed by spline
Fixing piece to shell, for limiting the axial movement of the first disk and component along spline and for along spline towards fixed
The piston of part promotion disk.
According to one embodiment of present invention, the assembly, which further includes, is fixed against axial displacement and contact component
Bearing.
According to one embodiment of present invention, the assembly further includes: being fixed against axial displacement and engagement shaft
The second component held；It is fixed against axial displacement and contacts the third member of shell.
According to one embodiment of present invention, wherein fixing piece is the snap ring for being fixed to shell and contact component, the portion
Part is located at one in the first disk between snap ring along spline.
According to one embodiment of present invention, the assembly further includes: the clutch hub including the second spline；With
And it is staggered with the first disk and passes through the second disk that the second spline is fixed to clutch hub.
According to one embodiment of present invention, the assembly further includes motor, and the motor includes being fixed to shell
And the rotor of bearing on it.
According to one embodiment of present invention, wherein clutch alternately turns on and closes the driving between power supply and shell
Connection.
According to one embodiment of present invention, the assembly further includes: being fixed against the second He of axial displacement
Third member；And wherein the first part of axial force is transferred to shell by fixing piece, and the first part of the axial force is by living
Plug is generated and is delivered by shell to second component；And the first part of axial force is transferred to component, the axial direction by fixing piece
The first part of power is generated by piston and by carries parts to third member.
According to the present invention, a kind of assembly is provided, includes: being fixed against the shell of axial displacement；Including solid by spline
Determine to the first disk of shell and the clutch for the second disk being staggered with the first disk；For pushing the contact of the first and second disks
Piston；It is fixed against the component of axial displacement, shell is fixed to by spline and is located at opposite with piston position the
One and second disk axial end；For confinement plate and component along the fixing piece of the axial movement of spline.
According to one embodiment of present invention, the assembly further includes: the clutch hub including the second spline, the
Two disks and the first disk, which are staggered and pass through the second spline, is fixed to clutch hub.
According to one embodiment of present invention, the assembly, which further includes, is fixed against axial displacement and contact component
Bearing.
According to one embodiment of present invention, the assembly further includes: being fixed against axial displacement and engagement shaft
The first component held；It is fixed against axial displacement and contacts the second component of shell.
According to one embodiment of present invention, in which: the first part of axial force is transferred to shell, the axis by fixing piece
It is generated to the first part of power by piston and is delivered by shell to the first component；And fixing piece passes the first part of axial force
It is handed to component, the first part of the axial force is generated by piston and by carries parts to bearing.
According to one embodiment of present invention, wherein fixing piece is the snap ring for being fixed to shell and contact component, the portion
Part is located at one of the first disk between snap ring along spline.
According to one embodiment of present invention, the assembly further includes motor, and the motor includes being fixed to shell
And the rotor of bearing on it.
According to one embodiment of present invention, wherein clutch alternately turns on and closes the driving between power supply and shell
Connection.
The rotor that wet separation Combined clutch is fixed to motor by a snap ring is used only in the assembly, and snap ring makees piston
A part firmly is transferred to partition.
Since a part of piston effect power is transferred to parallel load path by shell, so if using reaction block
Words, the last one clutch reaction plate can be thinner than its, so that all clutch disks be allowed to have unified size and lower
Cost.
Since shell is contacted with clutch disk, heat is easy to be transferred to shell by clutch disk, to provide heat
Flow path is for cooling down clutch disk.
According to following specific embodiments, claims and drawing, the scope of application of preferred embodiment will become aobvious and easy
See.It will be appreciated that though giving the preferred embodiment of the invention, but specification and specific example are only given by way of explanation
Out.Embodiment and exemplary various changes and modifications for description will become aobvious and easy to those skilled in the art
See.
Detailed description of the invention
It will be better understood the present invention by reference to following description and accompanying drawings, in attached drawing:
Figure 1A and 1B includes the side viewgraph of cross-section of power train module, and it illustrates connect before exporting to engine
Connect and to speed changer fluid torque-converter input rear connection；And
Fig. 2 is the side viewgraph of cross-section of a part of power train module, and it illustrates be used as clutch reaction plate
Component and motor rotor to front support.
Specific embodiment
Figure 1A and 1B shows the module 10 of the power drive system for hybrid electric vehicle comprising: have
The engine of rotation output 12；It is fixed to the torsional vibration damper 14 of engine output 12；Damper 14 is fixed to by spline 18
Output 20 input shaft 16；It is supported on the separation clutch being fixed on the clutch hub 24 of input shaft 16 by spline 26
22；Motor 28 comprising be connected with to the stator 30 of front baffle 32 and by first leg 36 and the second supporting leg 38
Hold the rotor 34 for rotating around axis 39；It is preferred that passing through the rotor hub 40 for being welded and fixed to supporting leg 38；And flexible board
42, one end is fixed to rotor hub 40 by spline connection 44 or by bolt 110, and its opposite end is solid by bolt 46
The fixed torque converter housing 48 to encapsulation hydraulic power fluid torque-converter 49.Motor 28 can be electric motor or electric motor power generation
Machine.
Fluid torque-converter suitable for power drive system submits on December 14th, 2011, No. 13/325,101 beauty
Disclose in Fig. 4 a of state's patent application, 4b, 5,12 and 15, and illustrated referring to above-mentioned attached drawing, the patent application it is all public
It opens and is incorporated herein as reference.
Fluid torque-converter 49 includes: the blade impeller in shell 48 and being fixed thereon；Power drive is surged simultaneously by impeller
The blade turbine of the input shaft 52 of automatic transmission 54 is fixed to by spline 50；And it is between turbine and stator and fixed
To the lobe stator wheel of stator axis 56, it is maintained in transmission case 58 and does not rotate.
Hydraulic seal 64 is installed in its inner radial surface by the rear bulkhead 60 that bolt 62 is fixed to transmission case 58,
The radially-outer surface of the contact rotor hub 40 of hydraulic seal 64.
Engine start gear 70 is delivered by the flywheel 66 that bolt 68 is fixed to the rotation output 12 of engine, is passed through
The disk 72 for being soldered to starter receiver and flywheel is fixed.
Bearing 74 supports first leg 36 for rotating in front baffle 32.Bearing 76 supports the second supporting leg 38 and is used to turn
It is rotated on sub- wheel hub 40.It is aligned with axis 39 and supporting rotor 34 is used to be fixed to first leg 36 around the pipe 78 that axis rotates
With the second supporting leg 38.The edge 80,82 for being respectively at the front and back end of pipe 78 can be rolled up radially outward, and rotor 34 is fixed to pipe
78 and avoid rotor 34 relative to the axial displacement of pipe.The inner surface of pipe 78 is formed with axial splines 81, passes through supporting leg 36,38
And the alternating disk 83 of separation clutch 22 is engaged.The frictional disk 84 of clutch 22 is outside by the diameter in clutch hub 24
The axial splines formed on surface are fixed.
Hydrauservo System for driving clutch 22 includes piston 86, balance dam 88, return spring 90 and is used for
Driving pressure is transferred to pressure control volume (pressure control volume) 92 and the piston left side on piston 86 the right
The fluid pressure line of pressure balance body 94.When driving pressure and hydraulic fluid are supplied to body 92, by using 151 He of sealing element
152, piston 86 is moved to the left in the cylinder being made of rear support leg 38, connects merga pass damper so as to cause clutch 22
14, input shaft 16, clutch hub 24 and clutch 22 driveably connect rotor 34 and engine output 12.
Since piston 86, balance dam 88 and return spring 90 are supported on rotor hub 40, piston 86, balance dam
88 and the rotary inertia of return spring 90 be located at outlet side, the i.e. rotor-side of clutch 22.
Rotor 34 is constantly drivably connected to transmission input shaft 52 by torque path, and torque path includes rear support leg
38, the power drive company of surging between rotor hub 40, flexible board 42, torque converter housing 48, fluid torque-converter impeller and turbine
It connects, which is connected to transmission input shaft 52 by spline 50.
Decomposer 100 is --- a kind of for measuring the rotating electric transformer of the high-precision type of degree of rotation --- to be passed through
Bolt 102 is fixed to front baffle 32, is supported in front baffle 32 and first leg and is axially located at front baffle 32 and rear bulkhead 60
Between.
The tooth that the spline 44 that rotation is drivingly connected is generated between flexible board 42 and rotor hub 40 is fixed together, and is made
Proper torque does not generate gap when transmitting between flexible board and rotor hub.Flexible board 42 is formed with the part 104 of heavy wall, should
The part 104 of heavy wall has the threaded hole 106 for terminating in mesh 108.Outer spline teeth on flexible board 42 passes through 110 quilt of bolt
Compel the axial internal splines tooth engagement on rotor hub 40, in the right end engagement with threaded aperture of rotor hub 40.Spline connection
The spline tooth engaged on 44 is dissociated when removing bolt 110, and biggish bolt is passed through hole 106, so that threaded bolt contacts net
Shape object, to force flexible board axial to the right.
Rotor hub 40 be formed with multiple axially directed hydraulic paths 120 and the access being laterally guided 122,124,
126,128,129, above-mentioned access delivery hydraulic fluid and pressure are from the hydraulic system of speed changer 54 to module 10.Access 120,
122,124,126,128,129 delivery include to be located at piston 86 the right clutch 22 servo-system control volume 92,
To between balance dam 88 and piston pressure balance body 94, to variable force solenoid valve (VFS) 130 and to rotor 34 and stator 30
The hydraulic fluid and pressure on surface, wherein the surface of rotor 34 and stator 30 is cooled down by fluid.Rear bulkhead 60 is formed with access
128, which is hydraulically connected to VFS 130.
Rear bulkhead 60 supports oil sump 132, which, which contains from the hydraulic system of speed changer 54, is supplied to module 10
Fluid.Speed changer 54 includes oil sump 136, contains the flow of pressurized that transmission pressure system is supplied to by transmission pump 134
Body, fluid and control pressure are provided to module 10, fluid torque-converter 49, transmission clutch and system from transmission pressure system
Dynamic device, bearing, axis, gear etc..
The bearing 140 being mounted in front baffle 32 and 142 support shaft 16 of the bearing being mounted in rotor hub 40 around
Axis 39 rotates.Stator 30 is also supported on its suitable axially and radially position relative to rotor 34 by front baffle 32.Installation
Bearing 76 and 142 supporting rotor wheel hub 40 of bearing between rear bulkhead 60 and rotor hub 40 are rotated around axis 39.Before
It is rotated with rear bulkhead 32,60 together supporting rotor 34 around axis 39, this is because the bearing 74 and peace that are mounted in partition 32
Bearing 76 in partition 60.
The sealing element 64 being mounted in rear bulkhead 60 and the sealing element 141 being mounted in front baffle 32, which stop coming from, to be located at
The access of the fluid of module 10 between partition 32,60.Another dynamic sealing 144 stop enging cabin 146 and module 10 it
Between pollutant access.
The component of module 10 is installed and is assemblied in the module.The module of assembly can then be installed in engine output
Both between 12 and torque converter housing 48 and be connected to.
In operation, when engine output 12 is driven by the engine, torque is by engine by rotor hub 40 and soft
Property plate 42 is transferred to torque converter housing 48, on condition that clutch 22 is engaged.Pass through pipe 78, supporting leg 38,40 and of rotor hub
The rotor 34 of flexible board 42, motor 28 is constantly drivably connected to torque converter housing 48.Therefore, torque converter housing 48
It can be with: individually by engine driving, on condition that motor 28 is closed and clutch 22 is engaged；Individually it is driven by motor, on condition that
Tail-off or engine are currently running and clutch is dissociated；And it is driven simultaneously by engine and motor.
With reference to Fig. 2, the rotor 34 of motor 28 is supported on pipe 78, and pipe 78 is supported by shell 160 and supporting leg 164, wherein
Shell 160 is connected to pipe 78 and is connected to rotor hub 40 by welding technique by welding 162, and wherein supporting leg 164 passes through axis
To, internal splines 166 be fixed to shell 160.It is fixed to shell 160 and contacts the limitation friction of independent snap ring 168 of supporting leg 164
The axial displacement of disk 84, middle friction tray 84 are fixed to shell 160 by spline 166.Partition disk 83 passes through external axial splines
170 are fixed on clutch hub 24.
The flange 174 that thrust bearing 172 contacts clutch hub 24 and is parallel on the axis 176 of axis 19.Bearing will be from
Clutch wheel hub is supported on axis 176.Engine output 12 is connected to by flywheel 66, damper 20, input shaft 16 and spline 26
Clutch hub 24.
182 supporting rotor 34 of bearing between front baffle 32 and supporting leg 164 is mounted on to be used to rotate around axis 19 and be
The axial force transmitted between supporting leg 164 and partition 32 provides reaction force.
In operation, living when the hydraulic fluid of pressurization is provided to the cylinder 186 containing piston 86 by access 184
The power of 86 resistance return spring 90 of plug is moved to the left.It is that mutual friction connects when frictional disk 83 and partition disk 84 are pushed by piston 86
When touching, separation clutch 22 is engaged, to generate drive connection between rotor hub 40 and engine output 12.Rotor 34
Rotor hub 40 is constantly drivably connected to by shell 160.
The axial force to the left applied by piston 86 is transmitted by disk 83,84 by 164 and snap ring 168 and shell 160.
According to the regulation of patent statute, it has been described that preferred embodiment.It should be noted, however, that in addition to especially saying
It can also implement other embodiment except bright and description.
Claims (8)
1. a kind of assembly for power drive system, includes:
It is fixed against the shell of axial displacement；
Clutch including being fixed to the first disk of shell by spline；
It is fixed against the component of axial displacement, support shell and is fixed to shell via the spline；
For limiting the fixing piece of the axial movement of the first disk and component along the spline；
For the piston of the first disk to be pushed towards fixing piece along the spline.
2. assembly according to claim 1 further includes the bearing for being fixed against axial displacement and contact component.
3. assembly according to claim 2, further includes:
It is fixed against the second component of axial displacement and contact bearing；
It is fixed against axial displacement and contacts the third member of shell.
4. assembly according to claim 1, wherein fixing piece is the snap ring for being fixed to shell and contact component, the component
It is located at one in the first disk between snap ring along spline, wherein torque is driveably transferred to speed change by the shell
Device.
5. assembly according to claim 1, further includes:
Clutch hub including the second spline；And
It is staggered with the first disk and passes through the second disk that the second spline is fixed to clutch hub.
6. assembly according to claim 1, further includes motor, the motor includes being fixed to shell and being supported on it
On rotor.
7. assembly according to claim 1, wherein clutch alternately turns on and closes the driving between power supply and shell
Connection.
8. assembly according to claim 1, further includes:
It is fixed against second and third member of axial displacement；And wherein
The first part of axial force is transferred to shell by fixing piece, and the first part of the axial force is generated by piston and by shell
It delivers to second component；And
The first part of axial force is transferred to component by fixing piece, and the first part of the axial force is generated by piston and by component
It delivers to third member.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/154,258 | 2014-01-14 | ||
| US14/154,258 US9416826B2 (en) | 2012-01-31 | 2014-01-14 | Disconnect clutch for modular hybrid electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104776131A CN104776131A (en) | 2015-07-15 |
| CN104776131B true CN104776131B (en) | 2019-11-12 |
Family
ID=53485096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510017555.1A Active CN104776131B (en) | 2014-01-14 | 2015-01-14 | Separation clutch for modular hybrid electric vehicle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104776131B (en) |
| DE (1) | DE102015100150A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015225422A1 (en) * | 2015-12-16 | 2017-06-22 | Schaeffler Technologies AG & Co. KG | Disconnect coupling for a motor vehicle |
| CN110030293A (en) * | 2019-05-15 | 2019-07-19 | 吉林大学 | A kind of power shifting wet clutch |
| KR102292261B1 (en) * | 2020-02-04 | 2021-08-20 | 주식회사 카펙발레오 | Hybrid drive module |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200173A (en) * | 2010-03-25 | 2011-09-28 | 博格华纳公司 | Parallel double clutch device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4545489B2 (en) * | 2004-06-01 | 2010-09-15 | アイシン・エィ・ダブリュ株式会社 | Cushion plate |
| US8322504B2 (en) * | 2008-08-14 | 2012-12-04 | Schaeffler Technologies AG & Co. KG | Combined power transmission, drive unit and drive train for a hybrid system |
| JP2010175059A (en) * | 2009-02-02 | 2010-08-12 | Honda Motor Co Ltd | Friction engaging device |
| JP5673000B2 (en) * | 2010-11-12 | 2015-02-18 | アイシン精機株式会社 | Clutch device |
| US8813935B2 (en) * | 2011-01-12 | 2014-08-26 | Gm Global Technology Operations, Llc | Launch / disconnect clutch for P2 hybrid powertrain |
| JP2013133879A (en) * | 2011-12-27 | 2013-07-08 | Aisin Seiki Co Ltd | Clutch device |
-
2015
- 2015-01-08 DE DE102015100150.0A patent/DE102015100150A1/en active Pending
- 2015-01-14 CN CN201510017555.1A patent/CN104776131B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200173A (en) * | 2010-03-25 | 2011-09-28 | 博格华纳公司 | Parallel double clutch device |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102015100150A1 (en) | 2015-07-16 |
| CN104776131A (en) | 2015-07-15 |
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