CN100472103C - Hydraulic circuit for torsional damper assembly of an electrically variable transmission - Google Patents
Hydraulic circuit for torsional damper assembly of an electrically variable transmission Download PDFInfo
- Publication number
- CN100472103C CN100472103C CNB2005100591568A CN200510059156A CN100472103C CN 100472103 C CN100472103 C CN 100472103C CN B2005100591568 A CNB2005100591568 A CN B2005100591568A CN 200510059156 A CN200510059156 A CN 200510059156A CN 100472103 C CN100472103 C CN 100472103C
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- hydraulic fluid
- piston
- input shaft
- torsional damper
- transmission device
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- Y02T10/6204—
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- Y02T10/6282—
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- Y02T10/641—
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- General Details Of Gearings (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Motor Or Generator Frames (AREA)
- Gear-Shifting Mechanisms (AREA)
- Mechanical Operated Clutches (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Retarders (AREA)
- Motor Or Generator Cooling System (AREA)
- Hybrid Electric Vehicles (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The present invention relates to a torsional damper for an electrically variable transmission. The torsional damper is equipped with a hydraulically actuable lock-out clutch to selectively directly couple the engine to the input shaft of the transmission. The electric motors provided with the electrically variable transmission can serve to effectively cancel out engine compression pulses when the springs of the torsional damper are locked out. During higher speeds the centrifugal loading placed on oil in the torsional damper increases, which may cause the lock-out clutch to inappropriately engage. The present invention hydraulically balances the hydraulic actuator (or piston) driving the lock-out clutch to appropriately regulate lock-out clutch engagement.
Description
The application requires the preference of the U.S. Provisional Application 60/555141 of submission on March 22nd, 2004, and this application is complete here to be incorporated herein by reference.
Technical field
The present invention relates to a kind of electrically-variable transmission, have the torsional damper assembly of band hydro-cushion lock-up clutch assembly.
Background technique
Motor car engine has produced moment of torsion or the vibration of not expecting that vehicle transmission gear transmits of passing through.In order to isolate such moment of torsion, can in automotive trannsmission system, use torsional damper.These vibration dampers are between the input shaft or turbine shaft of engine crankshaft and transmission device, so that roughly offset the moment of torsion of not expecting that is produced by motor.Vibration damper is configured with and can carries the spring that maximum engine torque adds some tolerance limits.
In the hybrid vehicle back, a prerequisite is: this interchangeable power can powered vehicle, therefore can reduce the dependence to the motor that power is provided, thereby has increased the Economy of fuel.Because motor vehicle driven by mixed power can obtain power from the source except motor, hybrid power engine is generally more normal with the low speed running and can be cut off during by electric motor drive at vehicle.For example, electrically-variable transmission alternately relies on the electric notor that is contained in the supply vehicle transmission system power in this transmission device.Therefore motor in the motor vehicle driven by mixed power must start than the motor in non-mixed power system and stop more continually.Can produce the startup and the stopping period of the vibration of not expecting in such as the motor vehicle driven by mixed power with electrically-variable transmission, this motor has produced pressure pulse.Therefore the bigger function of expectation is helped this electrically-variable transmission and is eliminated these pressure pulses in bumper assembly.
At last, because this torsional damper assembly is fixed on this engine crankshaft, so torsional damper rotates with epipodium speed (annular speed).When hydraulic fluid was used for the control torque vibration damper, this fluid was subjected to the centrifugal load that these ring speed cause.
Summary of the invention
The invention provides the device of this actuator of a kind of hydro-cushion (perhaps piston), wherein this actuator drives the lock-up clutch of the torsional damper assembly that is used for electrically-variable transmission (perhaps EVT).The present invention includes two oil hydraulic circuits that separate, be used for hydraulic fluid being delivered on the opposite side of piston must this piston of balance the time.The needs that are used for this balance depend on the centrifugal load that is arranged on the hydraulic fluid that the ring speed by bumper assembly causes.
In embodiments of the invention, each loop is parallel to two pumps (by motor driven and another launched machine driving) so that help to provide the target area of hydraulic fluid to torsional damper assembly.
More particularly, the invention provides a kind of electrically-variable transmission, this variable speed drive has rotatable torsional damper assembly and at least one electric notor.This torsional damper assembly comprises can operate the torsion spring of eliminating or reducing pressure pulse and moment of torsion.Also be provided with clutch pack, this assembly has the pressurized fluid operated piston that is used for this torsion spring of selective lock; Yet at least one electric notor has been offset pressure pulse when torsion spring is locked.Also comprise the hydraulic fluid that can be used on the described piston opposite flank in addition, thereby this piston of hydro-cushion locks this torsion spring so that prevent this clutch pack at least in part in response to the centrifugal force that is caused by rotatablely moving of vibration damper fully.
Also provide a kind of in addition and started, the rotatable hydraulic of operation electrically-variable transmission activates the method for vibration damper when stopping with drive pattern.This method comprises: pass through this torsional damper of hydraulic fluid hydraulic locking during startup and stop mode; Contend with the lock piston of torsional damper so that prevent this torsional damper of hydraulic locking during drive pattern with hydraulic pressure.
Description of drawings
Above-mentioned feature and advantage can be easily become clear from following about the detailed description of implementing the preferred embodiments of the present invention, and accompanying drawing comprises:
Fig. 1 is that side view is shown in the letter of electrically-variable transmission, has the part of disconnection, so that selected transmission component and the service pump that is installed on this transmission device is shown;
Fig. 2 is the view sub-anatomy of this torsional damper assembly of cuing open along a side of the center line of the front portion of the electrically-variable transmission with oil hydraulic circuit that two letters show;
Fig. 3 is a plotted curve, and the piston on-load pressure according to the required vibration damper container volume (line B) of bumper assembly speed (line A) and equalizing piston is shown;
Fig. 4 a is the sectional drawing of perforation thrust washer of this transmission device of isolation of Fig. 2; With
Fig. 4 b is the front elevation of thrust washer of perforation of this transmission device of isolation of Fig. 2.
Embodiment
With reference to accompanying drawing, Fig. 1 and Fig. 2, identical mark is represented identical or corresponding parts, the side view of electrically-variable transmission shown in Fig. 1 10 in institute's drawings attached.Basically, the present invention is used to have the electrically-variable transmission 10 of at least one electric notor A or B and rotatable torsional damper assembly 26, as shown in Figure 2.This torsional damper assembly 26 comprises can operate the torsion spring 32 of eliminating or reducing pressure pulse and moment of torsion.Clutch pack (perhaps lock-up clutch 33) also is set, and this clutch pack has pressurized fluid operated piston 50, is used for optionally locking this torsion spring 32; Thereby allow one or two electric notors (A or B) to offset the engine pressure pulse.Also comprise hydraulic fluid, this hydraulic fluid can be applicable to piston cavity 58 and vibration damper container 34, they are on the opposite side of this piston 50, thereby this piston 50 of hydro-cushion fully is so that prevent lock-up clutch 33 because this torsion spring 32 of locking that causes from the centrifugal force of the rotation of torsional damper 26.
More particularly, Fig. 1 shows the selected parts of the electrically-variable transmission 10 of the main casing 14 that contains input housing 12 and have two electric notors (A and B), by a series of planetary gear set (not shown), described selected parts directly by bearings on the main shaft 19 of transmission device 10.(A is B) by selecting the oncoming clutch (not shown) to make output shaft 20 rotations for described motor.This oil-collecting disk 16 is arranged on the base of main casing 14 and is configured to be provided for the oil mass of transmission device 10 and its assembly.This main casing 14 cover such as electric notors (A, B), planetary gear construction, the innermost parts of the transmission device of main shaft 19 and two clutches (all exemplarily provide and not shown).At last, these input housing 12 bolts are directly connected on the engine bearer rear surface of this motor 24 (Fig. 2 illustrates), and sealing transmission component, described transmission component and motor 24 mechanical connections.That is to say that this input housing 12 covers this torsional damper assembly 26 (shown in Figure 2).This input housing 12 also supports service pump 27 (shown in Fig. 1), and this service pump 27 is installed on the base of importing housing 12 and is adjacent to nested fixing with oil-collecting disk 16.
The moment of torsion of not expecting that torsional damper assembly 26 shown in Fig. 2 generally is used to transmission device 10 and motor 24 are produced is during operation isolated, and is starting and also optionally auxiliary drive electric notor (A or B) elimination engine pressure pulse of stopping period.This torsional damper assembly 26 comprises motor side lid 28, and this side lid 28 is connected on the engine crankshaft 29.This motor side lid 28 is welded on the transmission device side lid 30 and 31 and holds this absorber spring 32.Described two lids (28 and 30) define container 34, these container 34 this lock-up clutch 33 of sealing and pistons 50.This torsional damper assembly 26 also holds the shock absorber flange 38 with hub portion 40, and this hub portion 40 cooperates with the spline 42 of input shaft 18 in complementation.The motor side lid 28 of torsional damper 26 is connected on the motor corrugated sheet 44.This corrugated sheet 44 is used for being delivered to the moment of torsion that motor 24 produces on the transmission device and being used to absorb any thrust load that is produced by bumper assembly 26.This torsional damper assembly 26 comprises a series of absorber spring 32, and this spring 32 is annular or extending circumferentially between motor side lid 28 and transmission device side lid 30.This absorber spring 32 absorbs and cushions by the moment of torsion do not expected of motor 24 in normal or drive pattern (for example being higher than 600rpm) operation period generation.The Maximum Torque that this torsional damper assembly 26 has equals this maximum engine torque and adds that some allow surplus.This torsional damper assembly 26 can be configured to partly to be similar to the structure that discloses at the U. S. Patent of owning together 5009301, and here integral body is as a reference for this patent.
This electrically-variable transmission 10 is provided with two electric notor A and B, shown in Fig. 1.Set up moment of torsion in startup and stopping period electric notor A, offset effectively at motor to be lower than the engine pressure pulse that 600rpm (perhaps starting and/or halted state) causes when turning round.The absorber spring 32 of this torsional damper assembly 26 is by application (this lock-up clutch 33) clutch disk 36 when motor 24 turn round in predetermined speed range and 37 and locked.In a preferred embodiment, when motor turned round with the speed that is less than or equal to 600rpm, this torsional damper assembly 26 was locked effectively.Because electric notor A or electric notor B can be used in and initiatively offset in the engine pressure pulse that starts and stopping period produces in electrically-variable transmission, therefore this operation mode is expected.Lock-up clutch 33 in torsional damper assembly 26 inside comprises two actuator discs 37 that are connected on this shock absorber flange 38, two friction disks 36 that are connected on the transmission device side lid 30, backing plate 46 and be connected to snap ring 48 on the arm 61 of shock absorber flange 38.This lock-up clutch 33 is near hydraulic piston 50, and this hydraulic piston 50 moves against this actuator disc 37, forces actuator disc 37 to engage with friction disk 36.Described piston 50 is in response to supplying to the oil the oil pocket 58 from oil circuit 57 and moving.This load is applied at backing plate 46 and snap ring 48 places and by shock absorber flange 38 to be held.Near piston 50 and the vibration damper wheel hub 40 that is connected to the torsional damper assembly 26 of shock absorber flange 38 have the passage 56 of lateral bore, thereby limit the opening 52 that radially extends, this opening 52 allows oil to pass through from oil circuit 57.This oil extends through the opening that laterally gets out 55 in input shaft 18, by opening 53, enters into the passage 56 in piston 50 front sides.This piston 50 is limited and the cooperating and remained on disengaged position by returning spring 54 of lock-up clutch 33.Because oil is supplied the passage 56 by vibration damper wheel hub 40, the pressure in piston cavity 58 increases, and has set up enough to overcome spring force and make piston 50 carry out the load of stroke, thereby has engaged this lock-up clutch 33.This container 34 also is equipped with from oil hydraulic circuit 59 and passes through opening 51, enters into the inner diameter of the pipe 35 that is installed to input shaft 18, and the thrust washer 41 (perhaps pad) by trough of belt enters into chamber or space 43, and arrives the oil of container 34 inside.Therefore the oil that holds in container 34 is on piston 50 right sides, as shown in Figure 2, is fed to oil in the cavity 58 on piston 50 opposite sides so that contend with.
This oil hydraulic circuit 57 and 59 provides oil respectively in piston cavity 58 and vibration damper container 34 as shown in Figure 2; Control lock-up clutch 33 and control it and under predetermined condition, cooperate and throw off.This first loop 57 is transported to hydraulic fluid in the piston cavity 58.This second loop 59 under low pressure is conditioned and at last oil is delivered in the container 34 on another side of piston 50.By carrying out stroke and cooperate lock-up clutch 33, the high pressure of the abundance that causes in response to oil at this pistons 50 of torsional damper assembly 26 inside by 57 supplies of first loop, thus effectively lock this absorber spring 32.When this lock-up clutch 33 engaged, torsional damper spring 32 was released or is locked so that this motor 24 is directly connected to the input shaft 18 of transmission device 10.This situation only is preferred for engine start and stops that (promptly start and/or stop mode, wherein engine speed is in predetermined speed range: 0-600rpm).
This transmission device 10 can turn round under the electric model that motor 24 cuts off fully.When motor stopped, the main pump 62 that obtains power from motor was not worked.Because not sealing of vibration damper container 34, it is approximately half-full that interior oil is leaked into from vibration damper container 34, and this moment, this main pump 62 and service pump 27 were not worked.Along with restarting of motor, be transfused to the centrifugal load that the axle 18 and the rotation of torsional damper assembly 26 cause and force the periphery of remaining oil to torsional damper assembly 26.Similarly, remaining oil is forced in the piston cavity 58 (i.e. the periphery of this piston cavity) in vibration damper wheel hub 40.Because the oil in shock absorber flange 38 concentrates in the piston cavity 58, therefore the oily weight in piston cavity 58 is on this piston 50.Down high-speed, the centrifugal load on the oil in piston cavity 58 (perhaps hydraulic fluid) can overcome the power of returning spring 54 and make piston 50 carry out stroke.In order to make piston 50 carry out stroke, the pressure difference between piston cavity 58 and vibration damper container 34 must be greater than or equal to the 4psi that overcomes returning spring, perhaps is greater than or equal to the 60psi that obtains complete ability on clutch 33.The line A of Fig. 3 shows in piston cavity 58 pressure difference of the oil that the speed according to torsional damper assembly 26 increases.X-axis is represented the speed of torsional damper assembly 26, and the y axle is illustrated in the on-load pressure on the piston 50.Because torsional damper assembly speed is near 4000rpm, therefore the on-load pressure that causes of the hydraulic fluid in piston cavity 58 is roughly 60psi, thereby enough carries out full torque capability design on clutch 33.Inappropriate joint of this lock-up clutch 33 and effective locking of this torsional damper assembly 26 can cause the additional wear on transmission component, cause the life cycle of premature failure or reduction.But shown in the intersection of line A among Fig. 3 and B, when using set pump (27 and 62) to fill this vibration damper container 34, this piston 50 can be by hydro-cushion before arriving on-load pressure 60psi.Although pump can provide oil in vibration damper container 34, when transmission device was worked (perhaps motor stops) under electric model, the responsible transferring oils of service pump 27 were in container 34 or the another side of piston 50.
A technical advantage of the present invention is, as shown in Figure 2 this oil hydraulic circuit 57 and 59 and pump 27 and 62 be configured to balanced hydraulic piston 59 in case for the running of motor ready.For this piston 50 of balance, at least 0.36 liter oil must be shown in the line B of Fig. 3 like that in vibration damper container 34.When service pump 27 work, it is extracted oil and be parallel to control module 64 and preferential regulator 70 (Fig. 2 illustrates) transferring oil out from oil sump.This preferential regulator 70 is regulated pressure, service pump 27 is worked (this pressure is 60psi in a preferred embodiment) and unnecessary oil is directed in the heat exchanger 68 under this pressure, this heat exchanger makes oil turn back to transmission device 10 by lubricant oil regulator 72, and enters into oil hydraulic circuit 59.This control module 64 is being (perhaps starting in a preferred embodiment and/or the pattern that quits work under) under some predetermined condition, will provide oil in oil hydraulic circuit 57 so that in piston cavity 58 compressed oil to 110psi.When engine start and rotation, main pump 62 is extracted oil out and oil is parallel to this control module 64 and main inlet control valve 66 conveyings from oil sump.From this main inlet control valve 66, oil flow into heat exchanger 68 and enters into lubricant oil regulator 72 and enter into oil hydraulic circuit 59 by preferential regulator 70.
In a preferred embodiment, this lubricant oil regulator 72 has guaranteed that the pressure of the oil in vibration damper container 34 is no more than 30psi.This control module 64 keeps oil pressure in oil hydraulic circuit 57 be 2psi.Therefore, piston 50 can not carry out stroke with by the oil that is in 2psi in piston cavity 58, is in the oil of 30psi and uses the returning spring 54 of reversed load to use clutch 33 in vibration damper container 34.This piston 50 is therefore by hydro-cushion or prevent to engage lock-up clutch 33.But when when expectation (perhaps starting and/or stop operational mode), this service pump 27 can be implemented this clutch 33 by high pressure oil is provided in piston cavity 58, thereby overcomes the 30psi in vibration damper container 34 and the opposite force of returning spring 54.
Described two loops (57 and 59) are isolated by rotating seal ring 74 and steel pipe 35 on one group of input shaft 18 that is installed in this transmission device.Trough of belt thrust washer 41, as shown in Figs. 4a and 4b, make oil be easy to inner diameter from pipe 35 to this vibration damper container 34.Thereby this thrust washer 41 has groove 76 on outer rim to be made oil be easy to by packing ring 41 and enters into vibration damper container 34.
Although described enforcement the preferred embodiments of the present invention in detail, it will be appreciated by those skilled in the art that in claimed scope and can carry out different designs.
Claims (18)
1. electrically-variable transmission with rotatable torsional damper assembly and at least one electric notor, this torsional damper assembly comprises:
Can operate the torsion spring of eliminating or reducing pressure pulse and moment of torsion;
The clutch pack that is used for the piston with hydraulically operable of the described torsion spring of selective lock;
At least one electric motor, it can operate the pressure pulse of offsetting when this torsion spring of locking; With
Can be applied to the hydraulic fluid on the opposite side of described piston, thereby the described piston of hydro-cushion sufficiently, lock described torsion spring at least in part in response to the rotational speed of described vibration damper so that prevent clutch pack, thereby can make described torsion spring eliminate this moment of torsion.
2. transmission device according to claim 1 also comprises:
Can operate the service pump of the described hydraulic fluid of pumping on the described piston opposite side; Wherein said service pump is by electric motor drive.
3. transmission device according to claim 1 also comprises:
Can operate the main pump of the described hydraulic fluid of pumping to side of described piston.
4. transmission device according to claim 1, wherein, described torsion spring and described clutch pack are sealed by transmission device side lid and motor side lid; Described transmission device side lid and described motor side lid define a side of described piston, and this side surface configurations becomes to hold described hydraulic fluid.
5. transmission device according to claim 1 also comprises:
Be configured to hold the input shaft of described hydraulic fluid; With
Be installed to the thrust washer on the end of described input shaft; Described thrust washer has the groove that can make on the side of the easy described hydraulic fluid of guiding of described thrust washer from described input shaft to described piston.
6. transmission device according to claim 5 also comprises:
Be installed in the pipe in the described inner diameter of described input shaft; Described pipe can be operated the described hydraulic fluid that makes in described input shaft and separate.
7. transmission device according to claim 1 also comprises:
Shock absorber flange and vibration damper wheel hub, described clutch pack and described piston are fixed on them, and described clutch flange and clutch hub limit the passage that can operate to hold described hydraulic fluid on another side of described piston at least in part.
8. a vehicle has the motor that produces pressure pulse and moment of torsion; With the electrically-variable transmission with at least one electric notor, this electric notor has the hydraulic actuating torsional damper assembly, comprising:
Be fixed to the motor side lid on the motor;
Be fixed to the shock absorber flange of described motor side lid and vibration damper wheel hub;
Wherein said vibration damper wheel hub is fixed to the input shaft in described electrically-variable transmission; Described shock absorber flange has absorber spring, makes this torsional damper assembly can absorb such Engine torque and pressure pulse;
Be fixed to this motor side and cover and construct the transmission device side lid that seals described shock absorber flange at least;
Described transmission device side lid and described motor side lid also define the container of described shock absorber flange of sealing and described absorber spring;
Described shock absorber flange and described transmission device side lid selectively sealing is used to lock the clutch disk of Gong the power of described absorber spring; With
At least one electric notor in electrically-variable transmission is used for selectively eliminating the engine pressure pulse.
9. vehicle according to claim 8 also comprises:
Thereby can operate the selection that influences described clutch disk and engage the blocked piston of described absorber spring;
Oil hydraulic circuit comprises:
By engine-driving and can operate the main pump of pumping hydraulic fluid on the opposite side of described piston; With
By electric motor drive and can operate the service pump of the described hydraulic fluid of pumping on the opposite side of described piston.
10. vehicle according to claim 9, wherein, described shock absorber flange to small part limits a side adjacency and the piston cavity that be configured to hold described hydraulic fluid with described piston; With
Described shock absorber flange partly defines to operate and guides the passage of described hydraulic fluid in the described piston cavity.
11. vehicle according to claim 10 also comprises:
Limit the input shaft of the opening that radially extends, this opening can be operated and guide the outer diameter of described hydraulic fluid from the inner diameter of described input shaft to described input shaft; And enter into the described passage of described shock absorber flange.
12. vehicle according to claim 11 also comprises:
Be installed to the thrust washer on the end of described input shaft; Described thrust washer has can make described thrust washer be easy to guide the groove of another side of described hydraulic fluid from described input shaft to described piston.
13. vehicle according to claim 12 also comprises:
Be installed in the pipe in the inner diameter of described input shaft; Described pipe can be operated the hydraulic fluid that is contained in the described input shaft is separated.
14. vehicle according to claim 13, wherein, described main pump is configured to the described hydraulic fluid of pumping in control module and master selector;
Described control module is configured to guide hydraulic fluid to a side of described piston;
Described master selector is configured to guide hydraulic fluid in preferential regulator;
Described preferential regulator guides described hydraulic fluid to heat exchanger, and described heat exchanger can be operated and guide described hydraulic fluid to the lubricant oil regulator; With
Described lubricant oil regulator can be operated and guide described hydraulic fluid to another side of described piston.
15. vehicle according to claim 14, wherein, described lubricant oil governor arrangements becomes the described hydraulic fluid of guiding in described pipe, by described thrust washer and arrive another side of described piston; With
Described control module is configured to the described hydraulic fluid of guiding between described input shaft and described pipe, by the described opening that radially extends, arrives on the described passage, and arrives on the side of described piston.
16. a method of operating the rotatable hydraulic actuating torsional damper of electrically-variable transmission according to claim 1 when starting comprises:
During startup and stop mode, come the described torsional damper of hydraulic locking in response to hydraulic fluid; With
The hydraulic pressure described hydraulic fluid that contends with, thus the described torsional damper of hydraulic locking during drive pattern prevented.
17. method according to claim 16 also comprises:
From the described hydraulic fluid of service pump pumping of motor driven so that the described torsional damper of hydraulic locking.
18. method according to claim 17 also comprises:
From this main pump and/or the described hydraulic fluid of service pump pumping, described torsional damper thereby hydraulic pressure contends with.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US55514104P | 2004-03-22 | 2004-03-22 | |
| US60/555141 | 2004-03-22 | ||
| US11/063329 | 2005-02-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1702357A CN1702357A (en) | 2005-11-30 |
| CN100472103C true CN100472103C (en) | 2009-03-25 |
Family
ID=35581203
Family Applications (21)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510059151A Expired - Fee Related CN100585232C (en) | 2004-03-22 | 2005-03-22 | Hybrid electro-mechanical transmission park system and method of assembly |
| CNB2005100560428A Active CN100521369C (en) | 2004-03-22 | 2005-03-22 | Wiring connection module for hybrid electro-mechanical drive device |
| CNB2005100559473A Expired - Fee Related CN100433506C (en) | 2004-03-22 | 2005-03-22 | Method for building electric connection in the mixing type mechanical-electrical gear |
| CNB2005100560235A Active CN100460721C (en) | 2004-03-22 | 2005-03-22 | Method and apparatus for cooling and lubricating a hybrid transmission |
| CN2005100637650A Expired - Fee Related CN1734132B (en) | 2004-03-22 | 2005-03-22 | Electro-mechanical transmission case and method for assembling electro-mechanical transmission case |
| CNB2005100560432A Expired - Fee Related CN100439759C (en) | 2004-03-22 | 2005-03-22 | Hydraulic circuit for torsional damper assembly of an electrically variable transmission |
| CNB200510056024XA Active CN100416132C (en) | 2004-03-22 | 2005-03-22 | Torsional damper for electrically-variable transmission |
| CN2005100559454A Expired - Fee Related CN1722571B (en) | 2004-03-22 | 2005-03-22 | Mixing power machine - wire insulator with threaded insert in the electrical gear |
| CNB2005100637627A Expired - Fee Related CN100422598C (en) | 2004-03-22 | 2005-03-22 | Transmission case for lube return and method |
| CNB2005100591534A Expired - Fee Related CN100380009C (en) | 2004-03-22 | 2005-03-22 | Snap ring apparatus for hybrid transmission device |
| CNB2005100559469A Expired - Fee Related CN100550579C (en) | 2004-03-22 | 2005-03-22 | The method of motor/generator and cooling electro-mechanical transmission |
| CNA2005100591553A Pending CN1701996A (en) | 2004-03-22 | 2005-03-22 | Non-sealed park actuator guide for hybrid transmission and method |
| CNB2005100560201A Active CN100439760C (en) | 2004-03-22 | 2005-03-22 | Hybrid electro-mechanical transmission park system access cover and method |
| CN2005100591549A Expired - Fee Related CN1707143B (en) | 2004-03-22 | 2005-03-22 | Sun gear bushing and sleeve and method for sealing in a hybrid electromechanical automatic transmission |
| CNB2005100591568A Expired - Fee Related CN100472103C (en) | 2004-03-22 | 2005-03-22 | Hydraulic circuit for torsional damper assembly of an electrically variable transmission |
| CNA2005100637631A Pending CN1728508A (en) | 2004-03-22 | 2005-03-22 | Integrated motor bearing springs for hybrid electro-mechanical transmission and method |
| CNB2005100637646A Active CN100384064C (en) | 2004-03-22 | 2005-03-22 | Motor resolver assemble and method for measuring rotor speed and position |
| CNB2005100560220A Active CN100460723C (en) | 2004-03-22 | 2005-03-22 | Motor drive donkey pump for torsional damper of an electrically variable transmission device |
| CNB2005100717157A Expired - Fee Related CN100436892C (en) | 2004-03-22 | 2005-03-22 | Hybrid electro-mechanical transmission with secured hub for park pawl loading and method |
| CNB2005100637608A Active CN100436883C (en) | 2004-03-22 | 2005-03-22 | Lubrication system and method for hybrid electro-mechanical planetary transmission components |
| CNA2005100560216A Pending CN1737394A (en) | 2004-03-22 | 2005-03-22 | Transmission cluthes and method of cooling |
Family Applications Before (14)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510059151A Expired - Fee Related CN100585232C (en) | 2004-03-22 | 2005-03-22 | Hybrid electro-mechanical transmission park system and method of assembly |
| CNB2005100560428A Active CN100521369C (en) | 2004-03-22 | 2005-03-22 | Wiring connection module for hybrid electro-mechanical drive device |
| CNB2005100559473A Expired - Fee Related CN100433506C (en) | 2004-03-22 | 2005-03-22 | Method for building electric connection in the mixing type mechanical-electrical gear |
| CNB2005100560235A Active CN100460721C (en) | 2004-03-22 | 2005-03-22 | Method and apparatus for cooling and lubricating a hybrid transmission |
| CN2005100637650A Expired - Fee Related CN1734132B (en) | 2004-03-22 | 2005-03-22 | Electro-mechanical transmission case and method for assembling electro-mechanical transmission case |
| CNB2005100560432A Expired - Fee Related CN100439759C (en) | 2004-03-22 | 2005-03-22 | Hydraulic circuit for torsional damper assembly of an electrically variable transmission |
| CNB200510056024XA Active CN100416132C (en) | 2004-03-22 | 2005-03-22 | Torsional damper for electrically-variable transmission |
| CN2005100559454A Expired - Fee Related CN1722571B (en) | 2004-03-22 | 2005-03-22 | Mixing power machine - wire insulator with threaded insert in the electrical gear |
| CNB2005100637627A Expired - Fee Related CN100422598C (en) | 2004-03-22 | 2005-03-22 | Transmission case for lube return and method |
| CNB2005100591534A Expired - Fee Related CN100380009C (en) | 2004-03-22 | 2005-03-22 | Snap ring apparatus for hybrid transmission device |
| CNB2005100559469A Expired - Fee Related CN100550579C (en) | 2004-03-22 | 2005-03-22 | The method of motor/generator and cooling electro-mechanical transmission |
| CNA2005100591553A Pending CN1701996A (en) | 2004-03-22 | 2005-03-22 | Non-sealed park actuator guide for hybrid transmission and method |
| CNB2005100560201A Active CN100439760C (en) | 2004-03-22 | 2005-03-22 | Hybrid electro-mechanical transmission park system access cover and method |
| CN2005100591549A Expired - Fee Related CN1707143B (en) | 2004-03-22 | 2005-03-22 | Sun gear bushing and sleeve and method for sealing in a hybrid electromechanical automatic transmission |
Family Applications After (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100637631A Pending CN1728508A (en) | 2004-03-22 | 2005-03-22 | Integrated motor bearing springs for hybrid electro-mechanical transmission and method |
| CNB2005100637646A Active CN100384064C (en) | 2004-03-22 | 2005-03-22 | Motor resolver assemble and method for measuring rotor speed and position |
| CNB2005100560220A Active CN100460723C (en) | 2004-03-22 | 2005-03-22 | Motor drive donkey pump for torsional damper of an electrically variable transmission device |
| CNB2005100717157A Expired - Fee Related CN100436892C (en) | 2004-03-22 | 2005-03-22 | Hybrid electro-mechanical transmission with secured hub for park pawl loading and method |
| CNB2005100637608A Active CN100436883C (en) | 2004-03-22 | 2005-03-22 | Lubrication system and method for hybrid electro-mechanical planetary transmission components |
| CNA2005100560216A Pending CN1737394A (en) | 2004-03-22 | 2005-03-22 | Transmission cluthes and method of cooling |
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