CN203686046U - Limited slip differential assembly for vehicle and vehicle transmission system - Google Patents
Limited slip differential assembly for vehicle and vehicle transmission system Download PDFInfo
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- CN203686046U CN203686046U CN201320740444.XU CN201320740444U CN203686046U CN 203686046 U CN203686046 U CN 203686046U CN 201320740444 U CN201320740444 U CN 201320740444U CN 203686046 U CN203686046 U CN 203686046U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 30
- 239000012530 fluid Substances 0.000 claims abstract description 59
- 230000007246 mechanism Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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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
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H48/22—Arrangements for suppressing or influencing the differential action, e.g. locking devices using friction clutches or brakes
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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
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H2048/204—Control of arrangements for suppressing differential actions
- F16H2048/205—Control of arrangements for suppressing differential actions using the steering as a control parameter
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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
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/06—Differential gearings with gears having orbital motion
- F16H48/08—Differential gearings with gears having orbital motion comprising bevel gears
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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
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H48/30—Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means
- F16H48/32—Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using fluid pressure actuators
Abstract
The utility model relates to a limited slip differential assembly for a vehicle and a vehicle transmission system. The limited slip differential assembly for the vehicle comprises a planetary gear assembly, a differential shell which rotates along with one part of the planetary gear assembly, a differential gear assembly which is arranged in the differential shell and comprises two side gears coupled with two driving wheels of the vehicle, and a hydraulic type clutch assembly which comprises a clutch assembly and a clutch actuator. Pressurized hydraulic fluid from a transmission pump is selectively supplied to the clutch assembly so as to actuate the clutch assembly comprising a plurality of annular friction discs and annular sheets which are alternately between an opening structure and a completely-closed structure; the annular sheets and the annular friction discs respectively rotate along with one and the other one of the differential shell and the differential gear assembly; the opening structure and the completely-closed structure independently rotate in a manner of not contacting or in a manner of contacting relative to the annular sheets and the annular friction discs respectively; the side gears rotate independently in the opening structure; the side gears rotate together in the completely-closed structure so that the two driving wheels rotate at the same speed.
Description
Technical field
The utility model relate generally to limited-slip differential, and relate more particularly to a kind of electronic type limited-slip differential that Integral hydraulic is supplied with that has.
Background technique
Differential mechanism is set on vehicle to rotate sooner with side drive wheel allowing in turning process in the time that two driving wheels continue from motor reception power than interior side drive wheel.For example, although differential mechanism is useful in the time turning, and can make vehicle lose tractive force in snow or mud or other smooth media.If any in driving wheel loses tractive force, it is by the speed rotation with high, and another wheel may not rotate completely.In order to prevent this situation, develop limited-slip differential so that power is transferred to non-rotary driving wheel from the driving wheel that loses tractive force rotation.
Electronic control type limited-slip differential can comprise that hydraulic actuating clutch rotates with the differential between the output shaft of restriction differential mechanism.But this hydraulic actuating clutch must be by the independent pump energy supply that is for example connected to vehicle drive shaft.Except the extra cost relevant to above-mentioned independent pump is provided, this pump also can bring aditional energy loss, and this aditional energy loss can adversely affect vehicle fuel economy and vehicle operating.Due at least above-mentioned reason, need a kind of improved differential mechanism.
The object of the background note providing is here roughly to present background of the present utility model.Inventor's work, with regard to degree with regard to it described in this background technique part, and do to describe in the time that application is submitted to, may still can not form the other side of prior art, neither express also and be not impliedly identified as prior art with respect to the utility model.
Model utility content
According to embodiments more of the present utility model, a kind of limited-slip differential assembly for vehicle comprises planetary gear set.Described planetary gear set comprises sun gear, multiple planetary pinion and gear ring.Described sun gear is rotatably connected to speed changer and is configured to and transmits rotating force to described multiple planetary pinions.Described limited-slip differential assembly also comprises differential carrier and differential gear assembly, and described differential carrier is connected into together with described multiple planetary pinions and rotates, and described differential gear assembly is arranged in described differential carrier.Described differential gear assembly comprises the first side gear (differential gear) and second side gear of the first and second driving wheels that are connected to respectively vehicle.
In described limited-slip differential assembly, also comprise the hydraulic clutch assembly that described planetary gear set is connected with described differential gear assembly.Described hydraulic clutch assembly comprises clutch pack and clutch actuator.Described clutch actuator is communicated with the transmission pump fluid of vehicle, makes to be provided for described clutch pack optionally to activate described clutch pack between open configuration and complete closed configuration from the pressurized hydraulic fluid of described transmission pump.
Described clutch pack comprises multiple ring segments of alternately arranging with multiple annular friction dishes.Described multiple ring segment is connected into and rotates together with one in described differential gear assembly with described differential carrier and described multiple annular friction dish is connected into described differential carrier and rotates together with another one in described differential gear assembly.Described open configuration is arranged to rotate independently with discontiguous relation substantially corresponding to described multiple ring segments and described multiple annular friction dish.Described complete closed configuration is arranged to rotate together with contact relation with described multiple annular friction dishes corresponding to described multiple ring segments.Described the first and second side gears are rotation independently in described open configuration, so that described the first and second driving wheels can be rotated with different speed.In addition, described the first and second side gears are rotation together in described complete closed configuration, to make described the first and second driving wheels with identical speed rotation.
Aspect other, a kind of vehicle transmission system is disclosed of the present utility model.Described vehicle transmission system comprises motor, speed changer and limited-slip differential assembly.Described speed changer is connected to described motor and receives the rotation output from described motor, and comprises transmission pump.Described limited-slip differential assembly is connected to described speed changer and is configured to provides driving force to the first and second driving wheels of vehicle.
Described limited-slip differential assembly comprises planetary gear set, differential carrier, differential gear assembly and hydraulic clutch assembly.Described planetary gear set is connected to described speed changer and receives the rotating force from described speed changer.Described differential carrier is connected into together with the part of described planetary gear set and rotates.Described differential gear assembly is arranged in described differential carrier and comprises the first side gear and the second side gear that connect with the first and second driving wheels of vehicle respectively.
Described hydraulic clutch assembly connects described planetary gear set with described differential gear assembly.In addition, described hydraulic clutch assembly comprises clutch pack and clutch actuator.Described clutch actuator is communicated with described transmission pump fluid, makes optionally to be offered described clutch pack to activate described clutch pack between open configuration and complete closed configuration from the pressurized hydraulic fluid of described transmission pump.Described the first and second side gears are rotation independently in described open configuration, so that described the first and second driving wheels can be rotated with different speed.In addition, described the first and second side gears are rotation together in described complete closed configuration, to make described the first and second driving wheels with identical speed rotation.
To know from the detailed description provided hereinafter and see other application of the present utility model.It should be understood that object that this detailed description and concrete example are only stated for example and unrestricted scope of the present utility model.
Brief description of the drawings
Can understand more fully the utility model from detailed description and accompanying drawing, wherein:
Fig. 1 is about according to the schematic diagram of the each embodiment's of the utility model exemplary limited-slip differential;
Fig. 2 is the functional block diagram of the exemplary limited-slip differential of Fig. 1 of connecting with hydraulic fluid source.
Other figure and material are attached to ending of the present disclosure as annex.
Embodiment
First with reference to Fig. 1, show a kind of exemplary vehicle transmission system, it totally identifies with reference character 10.Exemplary vehicle transmission system 10 described herein is for having the f-w-d vehicle of motor 12 of horizontal installation, but other configurations also can use together with the utility model.Motor 12 provides rotation output to speed changer 14.
Power train 10 also can comprise transaxle 22 and limited-slip differential assembly 30, and this limited-slip differential assembly has planetary gear set 16, clutch assembly 32 and differential gear assembly 34.Limited-slip differential assembly 30 is accommodated in housing 36 and moves a pair of axle half shafts 40 and 42 that is connected respectively to front driving wheel 44 and 48 to drive.Conventionally, limited-slip differential assembly 30 is used as traditional open type differential mechanism under normal running state, until there is needing the situation of biased torque.In the time detecting or expect the forfeiture of tractive force, clutch assembly 32 can optionally activate to optionally produce best biasing ratio.
Planetary gear set 16 comprises gear ring 46, sun gear 20 and the multiple planetary pinions 50 that held by planetary carrier 52.Gear ring 46 is non-rotatably fixed to housing 36, and sun gear 20 engages with the described multiple planetary pinions 50 that held by planetary carrier 52.Planetary pinion 50 engages with gear ring 46.Planetary carrier 52 is connected into and rotation together with the differential carrier 54 of differential gear assembly 34.Planetary gear set 16 provides from sun gear 20 to planetary carrier 52 and therefore slows down to the velocity ratio of differential carrier 54 again.Sun gear 20 for the coupling arrangement of chain or band is rotatably connected to speed changer 14, makes the output of speed changer 14 drive sun gear 20 to rotate by for example, and this is converted into the rotation output from speed changer 14 the rotation input of sun gear 20.
Differential gear assembly 34 comprises a pair of side gear 60 and 62, and described side gear is mounted to respectively and axle half shafts 40 and 42(and the first and second driving wheels 44 and 48) together with rotation.Multiple transverse bolts or pinion shaft 66 are fixedly installed to differential carrier 54 and with its rotation.Corresponding multiple small gear 70 is mounted to and rotates together with pinion shaft 66 and be both meshing relation with side gear 60 and 62.In the open configuration of below describing more comprehensively, differential gear assembly 34 is operable to and allows axle half shafts 40 and 42 with different speed rotations.
Clutch assembly 32 is linked together planetary gear set 16 and differential gear assembly 34.Clutch assembly 32 comprises clutch pack and clutch actuator.Clutch pack comprises the multiple ring segments 74 that are inserted between multiple annular friction dishes 78.The plurality of ring segment 74 can be connected into differential carrier 54 and rotate together with one in differential gear assembly 34.Described multiple annular friction dish 78 can be connected into differential carrier 54 and rotate together with another one in differential gear assembly 34.In the embodiment shown, described multiple ring segment 74 is connected into together with differential carrier 54 and (for example rotates, spline joint is to the inside diameter 76 of differential carrier 54) and described multiple annular friction dish 78 be connected into together with differential gear assembly 34 rotation (for example, spline joint is to the outer diameter part 80 of side gear 60).Will be appreciated that, annular friction dish 78 can be supported to rotate by any one or both in side gear 60 or 62.
Described multiple ring segment 74 and annular friction dish 78 are alternately arranged each other and are crossed each other and rotate when clutch assembly 32 is operable to during in its open position with discontiguous relation substantially.But, will be appreciated that for those skilled in the art, " not contact " be relative to the term of application here, and do not mean that must represent when clutch assembly 32 during in open state ring segment 74 do not contact completely with annular friction dish 78.Ring segment 74 can move axially into relative to each other frictional engagement with annular friction dish 78, thus when clutch assembly 32 reduces the relative rotation between ring segment 74 and annular friction dish 78 during in closure or part closed configuration.By such mode, when clutch assembly 32 is during in its operating position, side gear 60 with 62 and axle half shafts 40 with 42 and driving wheel 44 rotate together with 48.
Clutch assembly 32 can operate to allow side gear 60 and 62 to be independent of rotation each other with open configuration, for example, and with different speed rotations.Clutch assembly 32 also can be with the operation of closure or part closed configuration, in closure or part closed configuration, side gear 60 together with 62 or the part rotation that (that is to say dependent ground) together, for example, with substantially the same speed rotation.Clutch assembly 32 can be for example hydraulic clutch assembly 32, and it utilizes pressurized hydraulic fluid optionally opening, activate clutch pack between closure and part closed configuration.
Clutch actuator can comprise piston, and this piston and clutch pack (ring segment 74 and annular friction dish 78) interact with optionally opening, activate clutch pack between closure and part closed configuration completely.In hydraulic clutch assembly 32, piston is for example communicated with pressurized hydraulic fluid source fluid by hydraulic fluid valve, and this hydraulic fluid valve provides pressurized hydraulic fluid from hydraulic fluid source.Regulate the pressure of the pressurized hydraulic fluid providing will cause piston to move and optionally activate clutch pack.In embodiments more of the present utility model, clutch actuator also comprises described hydraulic fluid valve, as further described below.
With further reference to Fig. 2, show a kind of illustrative configuration for limited-slip differential assembly 30.As mentioned above, limited-slip differential assembly 30 for example comprises clutch pack 90(, comprises described multiple annular friction dishes 78 and the described multiple ring segment 74 alternately arranged each other).Clutch pack 90, is communicated with hydraulic fluid valve 94 fluids as piston 92 is communicated with clutch actuator.Hydraulic fluid valve 94 can be guiding valve, for example three-way slide valve.In certain embodiments, clutch actuator also comprises hydraulic fluid valve 94.Clutch actuator is configured to opening, between closure and part closed configuration, optionally activate clutch pack 90 completely.
Clutch actuator (for example piston 92 and hydraulic fluid valve 94) is communicated with pressurized hydraulic fluid source fluid.Pressurized hydraulic fluid source can be from hydraulic fluid source receiving liquid hydraulic fluid and the pump 96 to hydraulic fluid pressurization.In the present embodiment, pump 96 is the transmission pumps from the vehicle of hydraulic fluid source receiving liquid hydraulic fluid, as speed changer oil storage tank.Between hydraulic fluid valve 94 and pump 96, can comprise that pressure-relief valve 98 is with release.In addition, when needed, hydraulic fluid valve 94 and pressure-relief valve 98 can turn back to hydraulic fluid source by superfluous pressurized hydraulic fluid.
In each embodiment, determine the difference between benchmark control signal and pressure signal and offer wave filter 102.Wave filter 102 can be dead band wave filter, but the wave filter of other types also can use.Wave filter 102 is exported the difference signal through filtering to proportional plus derivative controller 104 and integral controller 106 both and feed forward circuits 112.The output of integral controller 106 is provided for saturation limiting circuit 108, and saturation limiting circuit 108 guarantees that output signal is no more than the saturation limit of hydraulic fluid valve 94.
The output of proportional plus derivative controller 104 and integral controller 106 is added and offers another saturation limiting circuit 110, and saturation limiting circuit 110 guarantees that the signal being added is no more than the saturation limit of hydraulic fluid valve 94.The output of saturation limiting circuit 110 can be added with the output of feed forward circuit 112, and offers another saturation limiting circuit 114 after being added.Saturation limiting circuit 114 guarantees that the result being added is no more than the saturation limit of hydraulic fluid valve 94.The output of saturation limiting circuit 114 is available to the control signal of hydraulic fluid valve 94, and hydraulic fluid valve 94 is controlled to regulate the pressure of the pressurized hydraulic fluid that imposes on clutch pack 90 according to this control signal.
Limited-slip differential 30 operations are as follows.When in the serviceability that is for example open differential by vehicle control system order, clutch pack 90 remains on open configuration.Open configuration is arranged to as above describe with discontiguous relation substantially corresponding to described multiple ring segments 74 and described multiple annular friction dish 78 and is rotated independently.In addition the first and second side gears 60 and 62 rotation independently in open configuration.Will be appreciated that, term " independently " is not meant to be and refers to completely independently in the time describing the rotation of the first and second side gears 60 and 62, because the first and second side gears 60 and 62 are both connected to differential carrier 54 and rotate with differential carrier 54.By the first and second side gears 60 be described as with 62 " independently " rotation be intended to describe the first and second side gears 60 can be with the relative rotations of different speed rotations with 62 the first and second driving wheels 44 and 48 that make.
When in the time being for example the serviceability of complete closed type differential by vehicle control system order, clutch pack 90 is actuated in closed configuration.The relation that closed configuration is arranged to contact with described multiple annular friction dishes 78 corresponding to described multiple ring segments 74 is completely rotated together.In addition, the first and second side gears 60 with 62 in complete closed configuration together with rotation.Will be appreciated that, term " together rotation " in the time describing the first and second side gears 60 with 62 rotation, be intended to describe the first and second side gears 60 with 62 make the relative rotation of the first and second driving wheels with identical speed rotation.
In addition, limited-slip differential assembly 30 can be with part closed configuration operations open and the one or more centres between closed configuration completely.When in the time being for example the serviceability of part closed type differential of centre by vehicle control system order, clutch pack 90 is actuated to the part closed configuration mediating.Middle part closed configuration corresponding to described multiple ring segments 74 and described multiple annular friction dish 78 in contact relation to reduce the relative rotation between described multiple ring segment 74 and described multiple annular friction dish 78, make the first and second side gears 60 and 62 not as mentioned above " independently " rotate.
The object of having stated and having illustrated for example provide to embodiment in front description.It is not intended to into exhaustive or restriction the utility model.The each single key element of specific embodiment or feature are not limited to this specific embodiment conventionally, but, even without ad hoc illustrating or illustrating, under usable condition, be also interchangeable and can be applied in selected embodiment.Each key element or feature also can change in many ways.These variations are not considered as departing from the utility model, and all these modification are included in scope of the present utility model.
Claims (17)
1. for a limited-slip differential assembly for vehicle, it is characterized in that comprising:
Planetary gear set, described planetary gear set comprises sun gear, multiple planetary pinion and gear ring, described sun gear is rotatably connected to speed changer and is configured to and transmits rotating force to described multiple planetary pinions;
Differential carrier, described differential carrier is connected into together with described multiple planetary pinions and rotates;
Differential gear assembly, described differential gear assembly is arranged in described differential carrier and comprises the first side gear and second side gear of the first and second driving wheels that are connected to respectively vehicle; With
Hydraulic clutch assembly, described hydraulic clutch assembly connects described planetary gear set with described differential gear assembly, described hydraulic clutch assembly comprises clutch pack and clutch actuator, described clutch actuator is communicated with the transmission pump fluid of vehicle, make to be provided for described clutch pack optionally to activate described clutch pack between open configuration and complete closed configuration from the pressurized hydraulic fluid of described transmission pump
Wherein, multiple ring segments that described clutch pack comprises and multiple annular friction dishes are alternately arranged, described multiple ring segments are connected into and rotate together with one in described differential gear assembly with described differential carrier and described multiple annular friction dish is connected into described differential carrier and rotates together with another one in described differential gear assembly;
Wherein, (i) described open configuration is arranged to rotate independently with discontiguous relation substantially corresponding to described multiple ring segments and described multiple annular friction dish, and (ii) described complete closed configuration is arranged to rotate together with contact relation with described multiple annular friction dishes corresponding to described multiple ring segments, and
Wherein, described the first and second side gears: (i) rotation independently in described open configuration, so that described the first and second driving wheels can be rotated with different speed, and (ii) rotation together in described complete closed configuration, to make described the first and second driving wheels with identical speed rotation.
2. limited-slip differential assembly as claimed in claim 1, it is characterized in that, described clutch actuator comprises piston, described piston and described clutch pack interact optionally activate described clutch pack between described opening and complete closed configuration, and described piston is communicated with the hydraulic fluid valve fluid of pressurized hydraulic fluid is provided from described transmission pump to described clutch pack.
3. limited-slip differential assembly as claimed in claim 2, is characterized in that, described clutch actuator also comprises described hydraulic fluid valve.
4. limited-slip differential assembly as claimed in claim 3, is characterized in that, described hydraulic fluid valve is guiding valve.
5. limited-slip differential assembly as claimed in claim 2, is characterized in that, also comprises:
Pressure transducer, described pressure transducer offers the pressure of the pressurized hydraulic fluid of described clutch pack for sensing; With
Controller, described controller is communicated with described pressure transducer and is configured to provides control signal to regulate described pressure to described hydraulic fluid valve.
6. limited-slip differential assembly as claimed in claim 5, is characterized in that, described controller is proportional plus integral plus derivative controller.
7. limited-slip differential assembly as claimed in claim 1, it is characterized in that, described clutch actuator is configured to optionally activate described clutch pack between described open configuration, described complete closed configuration and the part closed configuration in the middle of at least one, wherein said part closed configuration in the middle of at least one corresponding to described multiple ring segments with described multiple annular friction dishes in contact relation to reduce the relative rotation of described multiple ring segment and described multiple annular friction dishes, so that described the first and second side gears are rotated not exclusively independently.
8. limited-slip differential assembly as claimed in claim 1, is characterized in that, described first and second driving wheels of vehicle are front-wheels.
9. a vehicle transmission system, is characterized in that comprising:
Motor;
Speed changer, described speed changer is connected to described motor and receives the rotation output from described motor, and described speed changer comprises transmission pump; With
Limited-slip differential assembly, described limited-slip differential assembly is connected to described speed changer and is configured to provides driving force to the first and second driving wheels of vehicle, and described limited-slip differential assembly comprises:
Planetary gear set, described planetary gear set is connected to described speed changer and receives the rotating force from described speed changer;
Differential carrier, described differential carrier is connected into together with the part of described planetary gear set and rotates;
Differential gear assembly, described differential gear assembly is arranged in described differential carrier and comprises the first side gear and the second side gear that connect with the first and second driving wheels of vehicle respectively; With
Hydraulic clutch assembly, described hydraulic clutch assembly connects described planetary gear set with described differential gear assembly, described hydraulic clutch assembly comprises clutch pack and clutch actuator, described clutch actuator is communicated with described transmission pump fluid, make optionally to be offered described clutch pack to activate described clutch pack between open configuration and complete closed configuration from the pressurized hydraulic fluid of described transmission pump
Wherein, described the first and second side gears: (i) rotation independently in described open configuration, so that described the first and second driving wheels can be rotated with different speed, and (ii) rotation together in described complete closed configuration, to make described the first and second driving wheels with identical speed rotation.
10. vehicle transmission system as claimed in claim 9, is characterized in that:
Multiple ring segments that described clutch pack comprises and multiple annular friction dishes are alternately arranged, described multiple ring segments are connected into and rotate together with one in described differential gear assembly with described differential carrier and described multiple annular friction dish is connected into described differential carrier and rotates together with another one in described differential gear assembly;
Described open configuration is arranged to rotate independently with discontiguous relation substantially corresponding to described multiple ring segments and described multiple annular friction dish, and
Described complete closed configuration is arranged to rotate together with contact relation with described multiple annular friction dishes corresponding to described multiple ring segments.
11. vehicle transmission systems as claimed in claim 10, it is characterized in that, described clutch actuator is configured to optionally activate described clutch pack between described open configuration, described complete closed configuration and the part closed configuration in the middle of at least one, wherein said part closed configuration in the middle of at least one corresponding to described multiple ring segments with described multiple annular friction dishes in contact relation to reduce the relative rotation of described multiple ring segment and described multiple annular friction dishes, so that described the first and second side gears are rotated not exclusively independently.
12. vehicle transmission systems as claimed in claim 9, it is characterized in that, also comprise the hydraulic fluid valve that pressurized hydraulic fluid is provided from described transmission pump to described clutch pack, wherein said clutch actuator comprises piston, described piston and described clutch pack interact optionally activate described clutch pack between described opening and complete closed configuration, and described piston is communicated with described hydraulic fluid valve fluid.
13. vehicle transmission systems as claimed in claim 12, is characterized in that, described clutch actuator also comprises described hydraulic fluid valve.
14. vehicle transmission systems as claimed in claim 13, is characterized in that, described hydraulic fluid valve is guiding valve.
15. vehicle transmission systems as claimed in claim 9, is characterized in that, described limited-slip differential assembly also comprises:
Pressure transducer, described pressure transducer offers the pressure of the pressurized hydraulic fluid of described clutch pack for sensing; With
Controller, described controller is communicated with described pressure transducer and is configured to provides control signal to regulate described pressure to described hydraulic fluid valve.
16. vehicle transmission systems as claimed in claim 15, is characterized in that, described controller is proportional plus integral plus derivative controller.
17. vehicle transmission systems as claimed in claim 9, is characterized in that, described first and second driving wheels of vehicle are front-wheels.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261712239P | 2012-10-10 | 2012-10-10 | |
| US201361831425P | 2013-06-05 | 2013-06-05 | |
| US61/831,425 | 2013-06-05 | ||
| US61/712,239 | 2013-10-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203686046U true CN203686046U (en) | 2014-07-02 |
Family
ID=50235675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320740444.XU Expired - Lifetime CN203686046U (en) | 2012-10-10 | 2013-10-09 | Limited slip differential assembly for vehicle and vehicle transmission system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203686046U (en) |
| DE (1) | DE202013008955U1 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641175A (en) * | 2015-10-29 | 2017-05-10 | 上海汽车集团股份有限公司 | Automobile, differential of automobile and TCU |
| CN106895127A (en) * | 2015-12-18 | 2017-06-27 | 武藏精密工业株式会社 | Differential gear |
| CN107636358A (en) * | 2015-05-20 | 2018-01-26 | 伊顿公司 | Electronic limited slip differential device |
| CN107891743A (en) * | 2016-10-03 | 2018-04-10 | 美国轮轴制造公司 | Limit is sliding and/or locks split shaft bridge cut-off |
| CN109421528A (en) * | 2017-08-25 | 2019-03-05 | 美国轮轴制造公司 | Broken bridge of car assembly including asymmetric formula gear differential mechanism |
| CN110094486A (en) * | 2018-01-27 | 2019-08-06 | 益阳天华两栖车艇有限公司 | A kind of transfer hydraulic clutch transmission case |
| CN110662912A (en) * | 2017-04-14 | 2020-01-07 | 伊顿智能动力有限公司 | Method for compensating clutch torque in an electronic limited slip differential |
| CN111486214A (en) * | 2019-01-25 | 2020-08-04 | 美国轮轴制造公司 | Driveline power transmission component with plate clutch-type limited slip differential assembly |
| CN112896138A (en) * | 2019-11-19 | 2021-06-04 | 北京车和家信息技术有限公司 | Vehicle speed limiting method and device and vehicle |
-
2013
- 2013-10-09 CN CN201320740444.XU patent/CN203686046U/en not_active Expired - Lifetime
- 2013-10-09 DE DE201320008955 patent/DE202013008955U1/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107636358B (en) * | 2015-05-20 | 2020-10-09 | 伊顿公司 | Electronic limited slip differential |
| CN107636358A (en) * | 2015-05-20 | 2018-01-26 | 伊顿公司 | Electronic limited slip differential device |
| CN106641175A (en) * | 2015-10-29 | 2017-05-10 | 上海汽车集团股份有限公司 | Automobile, differential of automobile and TCU |
| CN106895127A (en) * | 2015-12-18 | 2017-06-27 | 武藏精密工业株式会社 | Differential gear |
| CN107891743A (en) * | 2016-10-03 | 2018-04-10 | 美国轮轴制造公司 | Limit is sliding and/or locks split shaft bridge cut-off |
| CN107891743B (en) * | 2016-10-03 | 2020-04-24 | 美国轮轴制造公司 | Limited slip and/or locked split axle type bridge cut-off |
| CN110662912A (en) * | 2017-04-14 | 2020-01-07 | 伊顿智能动力有限公司 | Method for compensating clutch torque in an electronic limited slip differential |
| CN109421528A (en) * | 2017-08-25 | 2019-03-05 | 美国轮轴制造公司 | Broken bridge of car assembly including asymmetric formula gear differential mechanism |
| CN109421528B (en) * | 2017-08-25 | 2023-09-22 | 美国轮轴制造公司 | Disconnect axle assembly including asymmetric gear differential |
| CN110094486A (en) * | 2018-01-27 | 2019-08-06 | 益阳天华两栖车艇有限公司 | A kind of transfer hydraulic clutch transmission case |
| CN111486214A (en) * | 2019-01-25 | 2020-08-04 | 美国轮轴制造公司 | Driveline power transmission component with plate clutch-type limited slip differential assembly |
| CN111486214B (en) * | 2019-01-25 | 2022-06-03 | 美国轮轴制造公司 | Driveline power transmission component with plate clutch-type limited slip differential assembly |
| CN112896138A (en) * | 2019-11-19 | 2021-06-04 | 北京车和家信息技术有限公司 | Vehicle speed limiting method and device and vehicle |
| CN112896138B (en) * | 2019-11-19 | 2022-11-29 | 北京车和家信息技术有限公司 | Vehicle speed limiting method and device and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202013008955U1 (en) | 2014-02-18 |
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| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20190701 Address after: Dublin, Ireland Patentee after: Eaton Intelligent Power Co.,Ltd. Address before: Ohio, USA Patentee before: Eaton Corp. |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
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