CN104776131A - Disconnect clutch for modular hybrid electric vehicle - Google Patents
Disconnect clutch for modular hybrid electric vehicle Download PDFInfo
- Publication number
- CN104776131A CN104776131A CN201510017555.1A CN201510017555A CN104776131A CN 104776131 A CN104776131 A CN 104776131A CN 201510017555 A CN201510017555 A CN 201510017555A CN 104776131 A CN104776131 A CN 104776131A
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- CN
- China
- Prior art keywords
- shell
- spline
- fixed
- parts
- clutch
- 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.)
- Granted
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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
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hybrid Electric Vehicles (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
An assembly includes a shell fixed against axial displacement, a clutch including first plates secured to the shell by a spline, a member fixed against axial displacement, supporting the shell and secured to the shell by the spline, a retainer for limiting axial movement of the first plates and member along the spline, and a piston for forcing the plates along the spline toward the retaine.
Description
The cross reference of related application
This case be on January 31st, 2012 that submit, the 13/362nd, the continuation-in-part application of No. 018 unsettled U. S. application.
Background technique
The present invention relates to a kind of power transmission system of hybrid electric vehicle, particularly relate to a kind of can be arranged on motor export and speed changer input between and both being fixed on power train module.
Hybrid electric vehicle (HEV) has explosive motor and motor simultaneously, and they alternately or join together for propelled vehicles.Use various different power transmission system in motor vehicle driven by mixed power, such as parallel configuration, wherein motor is connected to motor by cut-off clutch, and motor drives the fluid torque converter input of automatic power speed changer.Speed changer has the output being connected to differential mechanism, and differential mechanism is coupled to two driving wheels of vehicle.
Need in industry to provide a kind of hybrid electric power transmission system, it comprises the module beggar assembly used together with speed changer with various motor, module can be arranged between the output of one in several motor and the input of in several speed changer, and be fixed on the two.The power transmission system of assembling can then be applied in various vehicle.Module should comprise hydraulically powered cut-off clutch, motor and lead between motor and motor speed changer input suitable power path.Preferably, this module be from the hydraulic system of speed changer to clutch, balance dam and the hydraulic communication of motor prepare.This module must provide the oil sump containing the hydraulic fluid being sent to module and constantly return to the path of oil sump of speed changer for fluid, is reliably constantly supplied with fluid to make transmission pump.
This module should need low manufacture and assembly cost, and modifies without the need to automobile body, and should provide reliable performance.
Summary of the invention
According to the present invention, a kind of assembly is provided, it comprise fixing preventing the shell of axial displacement, comprise the clutch, fixing with the parts preventing axial displacement being fixed to the first dish of shell by spline---its supporting shell is also fixed to shell, for limiting the first dish and parts along the fixed block of the axial motion of spline and for the piston along spline towards fixed block pushing disk by spline.
According to one embodiment of present invention, described assembly comprises fixing with the bearing preventing axial displacement and contact component further.
According to one embodiment of present invention, described assembly comprises further: fixing with the second component preventing axial displacement and contact bearing; Fixing to prevent axial displacement and the 3rd parts contacting shell.
According to one embodiment of present invention, wherein fixed block is be fixed to shell and the snap ring of contact component, and described parts are located between in the first dish one and snap ring along spline.
According to one embodiment of present invention, described assembly comprises further: the clutch hub comprising the second spline; And coil to be crisscross arranged and to be fixed to second of clutch hub by the second spline coil with first.
According to one embodiment of present invention, described assembly comprises motor further, and described motor comprises and is fixed to shell and supporting rotor thereon.
According to one embodiment of present invention, the driving that wherein clutch alternately opens and closes between power supply with shell is connected.
According to one embodiment of present invention, described assembly comprises further: fixing to prevent second and the 3rd parts of axial displacement; And wherein the first portion of axial force is passed to shell by fixed block, the first portion of described axial force is produced by piston and is delivered to second component by shell; And the first portion of axial force is passed to parts by fixed block, the first portion of described axial force is produced by piston and by carries parts to the 3rd parts.
According to the present invention, a kind of assembly is provided, comprises: be fixing with the shell preventing axial displacement; Comprise by spline be fixed to shell first dish and coil with first the second clutch coiled be crisscross arranged; For promoting the piston of the first and second dish contacts; Fixing with the parts preventing axial displacement, it is fixed to shell by spline and is positioned at the axial end of first and second dishes relative with piston position; For confinement plate and the parts fixed block along the axial motion of spline.
According to one embodiment of present invention, described assembly comprises further: the clutch hub comprising the second spline, and the second dish and first coils and is crisscross arranged and is fixed to clutch hub by the second spline.
According to one embodiment of present invention, described assembly comprises fixing with the bearing preventing axial displacement and contact component further.
According to one embodiment of present invention, described assembly comprises further: fixing with the first component preventing axial displacement and contact bearing; Fixing to prevent axial displacement and the second component contacting shell.
According to one embodiment of present invention, wherein: the first portion of axial force is passed to shell by fixed block, the first portion of described axial force is produced by piston and is delivered to first component by shell; And the first portion of axial force is passed to parts by fixed block, the first portion of described axial force is produced by piston and by carries parts to bearing.
According to one embodiment of present invention, wherein fixed block is be fixed to shell and the snap ring of contact component, described parts along spline first dish one and snap ring between.
According to one embodiment of present invention, described assembly comprises motor further, and described motor comprises and is fixed to shell and supporting rotor thereon.
According to one embodiment of present invention, the driving that wherein clutch alternately opens and closes between power supply with shell is connected.
This assembly only uses a snap ring wet separation Combined clutch to be fixed to the rotor of motor, and a part for piston action power is passed to dividing plate by snap ring.
Because a part for piston action power is passed to parallel load path by shell, if therefore use reaction block, last clutch reaction plate can be thinner than it, thus allow all clutch disks to have unified size and lower cost.
Because shell contacts with clutch disk, therefore heat is easy to be passed to shell by clutch disk, thus provides heat flow path for cooled clutch dish.
According to following embodiment, claim and accompanying drawing, the Applicable scope of preferred embodiment will become apparent.Although should be appreciated that and give the preferred embodiment of the invention, specification and concrete example provide by means of only the mode illustrated.Various changes and modifications for the embodiment described and example will become apparent to those skilled in the art.
Accompanying drawing explanation
To the present invention be easier to understand, in accompanying drawing by reference to following explanation and accompanying drawing:
Figure 1A and 1B comprises the side viewgraph of cross-section of power train module, it illustrates to the front connection of motor output and the rear connection to the input of speed changer fluid torque converter; And
Fig. 2 is the side viewgraph of cross-section of a part for power train module, it illustrates as the assembly of clutch reaction plate and the rotor of motor to front support.
Embodiment
Figure 1A and 1B shows the module 10 for the power transmission system of hybrid electric vehicle, and it comprises: have the motor rotating output 12; Be fixed to the torsional vibration damper 14 that motor exports 12; The input shaft 16 of the output 20 of vibration damper 14 is fixed to by spline 18; Be bearing in the cut-off clutch 22 be fixed to by spline 26 on the clutch hub 24 of input shaft 16; Motor 28, it comprises with being bolted to the stator 30 of front dividing plate 32 and supporting the rotor 34 for rotating around axis 39 by the first supporting leg 36 and the second supporting leg 38; Preferably by the rotor hub 40 being welded and fixed to supporting leg 38; And flexible board 42, its one end is fixed to rotor hub 40 by spline joint 44 or by bolt 110, and its opposite end is fixed to the torque converter housing 48 of encapsulation hydraulic power fluid torque converter 49 by bolt 46.Motor 28 can be electric motor or electrical motor generator.
Be applicable to fluid torque converter in power transmission system on December 14th, 2011 submit, the 13/325th, open in Fig. 4 a, the 4b, 5,12 and 15 of No. 101 U.S. Patent applications, and illustrated with reference to above-mentioned accompanying drawing, the whole open mode quoted with reference of this patent application is incorporated into this.
Fluid torque converter 49 comprises: be positioned at shell 48 and blade impeller fixed thereon; Driven by impeller hydraulic power and be fixed to the blade turbine of the input shaft 52 of automatic transmission 54 by spline 50; And between turbine and stator and be fixed to stator axis 56 lobe stator wheel, it remains on non rotating in transmission case 58.
The rear bulkhead 60 being fixed to transmission case 58 by bolt 62 is provided with hydraulic seal 64 in its inner radial surface, and hydraulic seal 64 contacts the radially-outer surface of rotor hub 40.
The flywheel 66 being fixed to the rotation output 12 of motor by bolt 68 delivers engine start gear 70, and it is fixed by the dish 72 being soldered to starter receiver and flywheel.
Bearing 74 supports the first supporting leg 36 for rotating on front dividing plate 32.Bearing 76 supports the second supporting leg 38 for rotating on rotor hub 40.The also supporting rotor 34 that aligns with axis 39 is fixed to the first supporting leg 36 and the second supporting leg 38 for the pipe 78 rotated around axis.The edge 80,82 being in the front end and back end of pipe 78 respectively can be rolled up, rotor 34 is fixed to pipe 78 and avoids rotor 34 relative to the axial displacement of pipe by radially outward.The internal surface of pipe 78 is formed with axial splines 81, and it is engaged by the alternately dish 83 of supporting leg 36,38 and cut-off clutch 22.The friction disk 84 of clutch 22 is fixed by the axial splines formed on the radially-outer surface of clutch hub 24.
Hydrauservo System for driving clutch 22 comprises piston 86, balance dam 88, return spring 90 and the hydraulic pipe line for the pressure balance body 94 that driving pressure is passed to Stress control body (pressurecontrol volume) 92 on the right of piston 86 and the piston left side.When driving pressure and hydraulic fluid are supplied to body 92, by using Sealing 151 and 152, piston 86 is moved to the left in the cylinder be made up of rear support leg 38, thus causes clutch 22 to connect merga pass vibration damper 14, input shaft 16, clutch hub 24 and clutch 22 can be connected rotor 34 and motor with driving to export 12.
Because piston 86, balance dam 88 and return spring 90 are supported on rotor hub 40, therefore the rotary inertia of piston 86, balance dam 88 and return spring 90 is positioned at outlet side, i.e. the rotor-side of clutch 22.
Rotor 34 constantly can be connected to transmission input shaft 52 with driving by torque path, torque path comprises rear support leg 38, rotor hub 40, flexible board 42, torque converter housing 48, fluid torque converter impeller and drives with the hydraulic power between turbine and be connected, and this connection is connected to transmission input shaft 52 by spline 50.
Resolver 100---rotating electric transformer of a kind of highi degree of accuracy type for measuring degree of rotation---is fixed to front dividing plate 32 by bolt 102, be bearing on front dividing plate 32 and the first supporting leg and axially between front dividing plate 32 and rear bulkhead 60.
The tooth producing the spline 44 that rotary actuation is connected between flexible board 42 with rotor hub 40 is fixed together, and makes not produce space when moment of torsion transmits between flexible board and rotor hub.Flexible board 42 is formed with the part 104 of heavy wall, and the part 104 of this heavy wall has the tapped hole 106 terminating in reticulated work 108.External spline tooth on flexible board 42 is forced to axis by bolt 110 and engages with the internal splines tooth on rotor hub 40, and it is in the right-hand member engagement with threaded aperture of rotor hub 40.On spline joint 44, the spline tooth of engagement is dissociated when removing bolt 110, and by larger bolt through hole 106, makes threaded bolt contacts reticulated work, thus forces flexible board axially to the right.
Rotor hub 40 is formed with the path 122,124,126,128,129 that the hydraulic path 120 of multiple axial lead and side direction guide, and above-mentioned path transport medium hydraulic fluid and pressure are from the hydraulic system of speed changer 54 to module 10.Path 120,122,124,126,128,129 delivery comprise the servo-system of clutch 22 to the right at piston 86 control volume 92, to the pressure balance body 94 between balance dam 88 and piston, to variable force solenoid valve (VFS) 130 and to the hydraulic fluid on the surface of rotor 34 and stator 30 and pressure, the surface of its rotor 34 and stator 30 is cooled by fluid.Rear bulkhead 60 is formed with path 128, and this path 128 is hydraulically communicated with VFS 130.
Rear bulkhead 60 supports oil sump 132, and this oil sump 132 is containing the fluid being supplied to module 10 from the hydraulic system of speed changer 54.Speed changer 54 comprises oil sump 136, it contains the hydraulic fluid being supplied to transmission fluid pressing system by transmission pump 134, and fluid and pilot pressure are provided to module 10, fluid torque converter 49, transmission clutch and break, bearing, axle, gear etc. from transmission fluid pressing system.
Be arranged on the bearing 140 in front dividing plate 32 and bearing 142 supporting axle 16 be arranged in rotor hub 40 rotates around axis 39.Stator 30 is also bearing in its suitable axis relative to rotor 34 and radial position by front dividing plate 32.Be arranged on bearing 76 between rear bulkhead 60 and rotor hub 40 and bearing 142 supporting rotor wheel hub 40 rotates around axis 39.Front and rear dividing plate 32,60 together supporting rotor 34 rotates around axis 39, and this is due to the bearing 74 be arranged in dividing plate 32 and the bearing 76 be arranged in dividing plate 60.
Be arranged on the path that the Sealing 64 in rear bulkhead 60 and the Sealing 141 be arranged in front dividing plate 32 stop the fluid from the module 10 between dividing plate 32,60.Another dynamic sealing 144 stops the path of the pollutant between engine compartment 146 and module 10.
The assembly of module 10 is installed and is assemblied in this module.The module of assembling then can be installed in motor and to export between 12 and torque converter housing 48 and to be connected to the two.
In operation, when motor output 12 is by engine-driving, moment of torsion is passed to torque converter housing 48 by motor through rotor hub 40 and flexible board 42, and prerequisite is that clutch 22 is engaged.By pipe 78, supporting leg 38, rotor hub 40 and flexible board 42, the rotor 34 of motor 28 constantly can be connected to torque converter housing 48 with driving.Therefore, torque converter housing 48 can: separately by engine-driving, prerequisite is that motor 28 cuts out and clutch 22 is engaged; Driven by motor separately, prerequisite is that tail-off or motor are running and clutch is dissociated; And driven by motor and motor simultaneously.
With reference to figure 2, the rotor 34 of motor 28 is supported on pipe 78, pipe 78 is supported by shell 160 and supporting leg 164, and its housing 160 is connected to pipe 78 by welding 162 and is connected to rotor hub 40 by welding technique, and wherein supporting leg 164 is fixed to shell 160 by axial, internal splines 166.Be fixed to shell 160 and contact the axial displacement of the independent snap ring 168 limiting friction dish 84 of supporting leg 164, its middle friction tray 84 is fixed to shell 160 by spline 166.Partition dish 83 is fixed on clutch hub 24 by outside axial splines 170.
The flange 174 that thrust-bearing 172 contacts clutch hub 24 and parallels to the axis on the axle 176 of 19.Clutch hub is bearing on axle 176 by bearing.Motor exports 12 and is connected to clutch hub 24 by flywheel 66, vibration damper 20, input shaft 16 and spline 26.
Be arranged on bearing 182 supporting rotor 34 between front dividing plate 32 and supporting leg 164 for rotating around axis 19 and providing reaction force for the axial force transmitted between supporting leg 164 and dividing plate 32.
In operation, when the hydraulic fluid pressurizeed is provided to the cylinder 186 containing piston 86 through path 184, the power that piston 86 resists return spring 90 is moved to the left.When friction disk 83 and partition dish 84 are promoted as mutual rubbing contact by piston 86, cut-off clutch 22 is engaged, thus produces to drive between rotor hub 40 exports 12 with motor and be connected.Rotor 34 constantly can be connected to rotor hub 40 with driving by shell 160.
The axial force left applied by piston 86 is transmitted by 164 and snap ring 168 and shell 160 by coiling 83,84.
According to the regulation of patent statute, describe preferred embodiment.But, it should be noted that except illustrating and other embodiment can also being implemented except description.
Claims (8)
1. an assembly, comprises:
Fixing with the shell preventing axial displacement;
Comprise the clutch of the first dish being fixed to shell by spline;
Fixing with the parts preventing axial displacement, its supporting shell is also fixed to shell by spline;
For limiting the first dish and the parts fixed block along the axial motion of spline;
For the piston along spline towards fixed block pushing disk.
2. assembly according to claim 1, comprises fixing with the bearing preventing axial displacement and contact component further.
3. assembly according to claim 2, comprises further:
Fixing with the second component preventing axial displacement and contact bearing;
Fixing to prevent axial displacement and the 3rd parts contacting shell.
4. assembly according to claim 1, wherein fixed block is be fixed to shell and the snap ring of contact component, and described parts are located between in the first dish one and snap ring along spline.
5. assembly according to claim 1, comprises further:
Comprise the clutch hub of the second spline; And
Coil to be crisscross arranged and to be fixed to second of clutch hub by the second spline coil with first.
6. assembly according to claim 1, comprises motor further, and described motor comprises and is fixed to shell and supporting rotor thereon.
7. assembly according to claim 1, the driving that wherein clutch alternately opens and closes between power supply with shell is connected.
8. assembly according to claim 1, comprises further:
Fixing to prevent second and the 3rd parts of axial displacement; And wherein
The first portion of axial force is passed to shell by fixed block, and the first portion of described axial force is produced by piston and delivered to second component by shell; And
The first portion of axial force is passed to parts by fixed block, and the first portion of described axial force is produced by piston and by carries parts to the 3rd parts.
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 true CN104776131A (en) | 2015-07-15 |
| CN104776131B 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108290490A (en) * | 2015-12-16 | 2018-07-17 | 舍弗勒技术股份两合公司 | Separating clutch for a motor vehicle |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1704620A (en) * | 2004-06-01 | 2005-12-07 | 爱信艾达株式会社 | Cushion plate |
| US20100038201A1 (en) * | 2008-08-14 | 2010-02-18 | Luk Lamellen Und Kupplungsbau Beteiligungs 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 |
| CN102200173A (en) * | 2010-03-25 | 2011-09-28 | 博格华纳公司 | Parallel double clutch device |
| JP2012102834A (en) * | 2010-11-12 | 2012-05-31 | Aisin Seiki Co Ltd | Clutch device |
| US20120175212A1 (en) * | 2011-01-12 | 2012-07-12 | 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 (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1704620A (en) * | 2004-06-01 | 2005-12-07 | 爱信艾达株式会社 | Cushion plate |
| US20100038201A1 (en) * | 2008-08-14 | 2010-02-18 | Luk Lamellen Und Kupplungsbau Beteiligungs 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 |
| CN102200173A (en) * | 2010-03-25 | 2011-09-28 | 博格华纳公司 | Parallel double clutch device |
| JP2012102834A (en) * | 2010-11-12 | 2012-05-31 | Aisin Seiki Co Ltd | Clutch device |
| US20120175212A1 (en) * | 2011-01-12 | 2012-07-12 | 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108290490A (en) * | 2015-12-16 | 2018-07-17 | 舍弗勒技术股份两合公司 | Separating clutch for a motor vehicle |
| CN108290490B (en) * | 2015-12-16 | 2021-04-30 | 舍弗勒技术股份两合公司 | Separating clutch for a motor vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104776131B (en) | 2019-11-12 |
| DE102015100150A1 (en) | 2015-07-16 |
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