CN1737404A - Torsional damper for electrically-variable transmission - Google Patents
Torsional damper for electrically-variable transmission Download PDFInfo
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- CN1737404A CN1737404A CNA200510056024XA CN200510056024A CN1737404A CN 1737404 A CN1737404 A CN 1737404A CN A200510056024X A CNA200510056024X A CN A200510056024XA CN 200510056024 A CN200510056024 A CN 200510056024A CN 1737404 A CN1737404 A CN 1737404A
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- torsional damper
- motor
- lock
- absorber
- clutch
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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)
- Retarders (AREA)
- Hybrid Electric Vehicles (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Motor Or Generator Cooling System (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 lock-out clutch to 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. The present invention also includes damper springs of variable rates to effectively attenuate distinctive or inconsistent torque fluctuations when the engine is operating in displacement-on-demand mode.
Description
The cross reference of related application
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 that has torsional damper assembly, this torsional damper assembly has lock-up clutch so that selectively lock the damping spring of this torsional damper assembly, thereby allow when internal-combustion engine when starting and/or stopping to turn round in the velocity range, electric notor is eliminated the pressure pulse of internal-combustion engine generation.
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 cut off during by electric motor drive at vehicle.For example, electrically-variable transmission alternately depends on the electric notor of the supply vehicle transmission system power that is contained in this transmission device.Motor in the motor vehicle driven by mixed power therefore must be than starting more continually and stop at the non-motor that mixes in the moving power system.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.
In addition, the motor that is provided with gather amount function can selectively make some engine cylinder not work so that fuel saving.This operation mode has produced different (inconsistent) torque ripple from the engine running on all cylinders.
Summary of the invention
In order in hybrid vehicle, to reduce driveline vibrations, the invention provides a kind of torsional damper assembly, this assembly has lock-up clutch, and this clutch prevents (perhaps locking) this absorber spring compression and loosens.With electrically-variable transmission (perhaps EVT) compatibility, the present invention allows the electric notor in EVT to offset effectively when engaging lock-up clutch in the engine pressure pulse that starts and stopping period is caused by engine piston.
The present invention also compatibility has with gather amount motor, and this motor produces different (perhaps inconsistent) torque ripples.In order to compensate, the present invention includes a plurality of absorber springs, this absorber spring has abundant different grade so that compensate multiple torque ripple.
More particularly, the invention provides a kind of vehicle, have: internal-combustion engine is characterized in that producing pressure pulse and produces moment of torsion at other operation mode during running startup and/or stop mode; Electrically-variable transmission with the torsional damper that is used to absorb such moment of torsion.This torsional damper assembly comprises: in company with the shock absorber flange of engine revolution, this flange has makes torsional damper assembly absorb the absorber spring of such Engine torque during other operation mode.Lock-up clutch is set in addition, and this clutch selectively engages with this shock absorber flange.The selected joint of this lock-up clutch locks absorber spring, and when absorber spring was locked, at least one electric notor in electrically-variable transmission can be operated and selectively eliminate the engine pressure pulse.
The present invention also provides a kind of method of selectively eliminating the pressure pulse and the moment of torsion of the motor with electrically-variable transmission at motor in a plurality of operation modes with different predetermined speed ranges during running.This method comprises: torsional damper and lock-up clutch are provided between motor and electrically-variable transmission; For lock-up clutch provides power so that lock this torque clutch; Thereby the electric notor that operates in the electrically-variable transmission is eliminated the engine pressure pulse when torsional damper is locked.
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; With
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 electrically-variable transmission.
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, when internal-combustion engine 24 turned round under different rotation rates, it had produced moment of torsion (i.e. vibration).When motor 24 by for fuel or supply with power and be in power following time, this motor produces the moment of torsion of not expecting that is transferred to transmission device 10.When motor 24 was not supplied fuel or be not under the power (as starting and/or stop mode), the piston (not shown) of this motor still produced pressure pulse.Each pulse can produce the vibration of being felt by vehicle operators.For offset torque during drive pattern and pressure pulse, electrically-variable transmission 10 is provided with selectively induced torque bumper assembly 26 as shown in Figure 1, as shown in Figure 2.This torsional damper assembly 26 comprises shock absorber flange 38, the rotation and have an absorber spring 32 along with motor 24, and this spring 34 can make torsional damper assembly be absorbed in the such Engine torque during other operation mode.For example, this torsional damper assembly 26 can partly be configured to shown in U. S. Patent 5009301 such, and this patent and the present invention together transfer the possession of, here all with for referencial use.When this torsional damper assembly 26 does not influence electrically-variable transmission 10, promptly when absorber spring 32 locked clutches 33 locked, at least one electric notor of this electrically-variable transmission (A or B) was offset the pressure pulse that internal-combustion engine 24 produces effectively.
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 B) makes output shaft 20 rotations by selecting the oncoming clutch (not shown) to work to 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 Contact.That is to say that this output housing 12 covers this torsional damper assembly 26 (shown in Figure 2).This output 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 electrically-variable transmission 10 is provided with two electric notors (A and B are 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.A technological merit of the present invention is: the absorber spring of this torsional damper assembly 26 32 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.Initiatively offset in the engine pressure pulse that starts and stopping period produces because electric notor in electrically-variable transmission (A or B) can be used in, 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 opening 52 that has the passage 56 of lateral bore and radially extend, this opening 52 allows oil to pass through from oil sources 57.This oil extends through the opening that laterally gets out 55 in input shaft 18, by the opening in input shaft 18 53, enters into the passage 56 of piston 50 fronts.The cooperating and remained on disengaged position of 50 restrictions of this piston and lock-up clutch 33 by returning spring 54.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 carry out the load of stroke, thereby has engaged this lock-up clutch 33.This container 34 also is equipped with from source 59 and the oil hydraulic circuit that limited by the pipe in the inner diameter that is installed to input shaft 18 35, by thrust washer 41 and the chamber or the space 43 of trough of belt, and to the oil of container 34 inside.Therefore the oil that holds in container 34 is fed to oil in the cavity 58 on piston 50 another sides so that contend with on 50 1 sides of piston.
This is subjected to the oil hydraulic circuit 57 and the source 59 control lock-up clutch 33 of motion control unit (perhaps other controlled processing unit) 60 controls, controls it and cooperates in some predetermined condition and throw off.Carry out such operation by the oily front motion control unit 60 of guide pressure to this piston.By the lock-up clutch 33 of carrying out stroke and cooperation, at this piston 50 of the inside of torsional damper assembly 26 in response to the pressure that increases, thereby 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 coupled 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).
The joint of this lock-up clutch 33 generally causes being delivered to the axial load of the transmission component of mechanical connection.But the present invention is designed so that this hydraulic load that produces is limited effectively in torsional damper flange 38.These snap ring 48 limit loads are to the symmetric arms 62 of the shock absorber flange 38 of eliminating hydraulic load.Therefore another technological merit of the present invention is: this shock absorber flange 38 and lock-up clutch 33 are configured to the mechanical load that significantly restriction is caused by the joint of lock-up clutch 33, thereby prevent that mechanical load is passed to motor side lid 29 or transmission device side lid 30.
The present invention also compatibility has with gather amount (DOD) motor.The motor that is provided with gather amount system can make the cylinder of selected quantity not work for fuel economy.The quantity that changes clutch release slave cylinder has also changed the torque characteristic (perhaps torque ripple) that motor produces.For transmission device 10 effectively reduces or offsets with the vibration that causes under the gather amount pattern, this torsional damper assembly 26 is provided with a plurality of absorber springs 32 with different brackets.In a preferred embodiment, this torsional damper assembly 26 is two-layer configurations.The first order of being somebody's turn to do (spring) has the inferior grade of a large amount of relatively spring travels.The torque ripple that described inferior grade reduction produces when being turned round under with gather amount pattern by motor.Described inferior grade has also reduced the necessary opposite torque capacity of the electric notor A in transmission device 10.This second level has the high-grade of low relatively spring travel amount.This is high-grade to be that to obtain enough to isolate in the maximum engine torque or when motor uses all cylinders the absorber spring 32 of moment of torsion of transmission device 10 and motor 24 generations necessary.This combination grade can make under two operation modes and preferably show.
The present invention comprises that also a kind of selectivity eliminates motor with electrically-variable transmission in the motor pressure pulse during running and method of moment of torsion in a plurality of operation modes with different predetermined speed ranges.This method comprises: the torsional damper 26 shown in Fig. 2 is provided, and the lock-up clutch 33 between motor 24 and electrically-variable transmission 10; For this lock-up clutch 33 provides power so that lock this torsional damper 26; With the electric notor (A shown in Figure 1 or B) that operates in the electrically-variable transmission 10, so that eliminate the pressure pulse of motor when torsional damper is locked.This lock-up clutch 33 is supplied to power when motor 24 turns round between 0rpm-600rpm.In another aspect of the present invention, this motor 24 is with gather amount motor, is configured to make the cylinder of selection not work.Therefore this torsional damper assembly 26 is provided with a plurality of absorber springs 32, this spring 32 has different spring grades so that isolate the moment of torsion of this motor generation that utilizes all cylinders under Maximum Torque, but also effectively reduces the torque ripple because of causing with the motor that turns round in the gather amount pattern.
Although described enforcement the preferred embodiments of the present invention in detail, it will be appreciated by those skilled in the art that within the scope of the appended claims and can carry out different designs.
Claims (9)
1. vehicle has: internal-combustion engine, this internal-combustion engine are characterised in that and produce pressure pulse and produce moment of torsion during the startup of running and/or stop mode during other operation mode; Electrically-variable transmission, this transmission device has the torsional damper assembly that is used to absorb such moment of torsion, and this torsional damper assembly comprises:
With the shock absorber flange of described engine revolution, have and to make this torsional damper assembly be absorbed in the absorber spring of the such Engine torque during other operation mode;
Selectively engage so that lock the lock-up clutch of this absorber spring with described shock absorber flange; With
At least one electric notor in electrically-variable transmission, this electric notor can be operated the engine pressure pulse of selectively eliminating when absorber spring is locked.
2. vehicle according to claim 1, wherein motor is with gather amount motor, is configured to make different work of cylinder of selection; Described cylinder is not worked and can be caused motor to produce inconsistent torque ripple; With
Described shock absorber flange has a plurality of absorber springs and at least one described absorber spring and than another described absorber spring at least fully low spring grade is arranged, and the so inconsistent Engine torque when making it possible to allow torsional damper assembly to reduce motor and turn round in other operation mode fluctuates.
3. vehicle according to claim 1, wherein said shock absorber flange and torsional damper assembly are configured to the mechanical load that significantly restriction is caused by the joint of described lock-up clutch, thereby prevent that such mechanical load from being transmitted.
4. an electrically-variable transmission has torsional damper assembly, is used to absorb moment of torsion, and this torsional damper assembly comprises:
The rotary vibration damper flange has the absorber spring that makes the such moment of torsion of this torsional damper assembly absorption;
Selectively connect with described shock absorber flange and the lock-up clutch that is used to lock described absorber spring;
At least one electric notor in electrically-variable transmission, this electric notor are operated and are selectively offset the pressure pulse of this absorber spring when locked.
5. transmission device according to claim 4, wherein said shock absorber flange has a plurality of absorber springs, at least one absorber spring has fully low spring grade than another absorber spring, so that make torsional damper assembly reduce inconsistent torque ripple.
6. transmission device according to claim 4, described shock absorber flange and torsional damper assembly are configured to the mechanical load that significantly restriction is caused by the joint of described lock-up clutch, thereby prevent that such mechanical load is transmitted.
A motor of selecting to eliminate to have electrically-variable transmission when motor is in running in a plurality of operation modes that have in the different predetermined speed ranges pressure pulse and the method for moment of torsion, comprising:
Torsional damper and lock-up clutch are provided between this motor and electrically-variable transmission;
For lock-up clutch provides power so that lock this torsional damper; With
Operate in the electric notor in the electrically-variable transmission, so that eliminate the engine pressure pulse of torsional damper when locked.
8. method according to claim 7, wherein this motor is with gather amount motor, is configured to make the cylinder of selection not work; Described cylinder is not worked and can be caused motor to produce inconsistent torque ripple; With
Described bumper assembly has a plurality of absorber springs, and at least one absorber spring has enough low spring grade than another absorber spring, so that make torsional damper assembly can reduce described torque ripple.
9. method according to claim 7 also comprises:
When turning round, 0rpm-600rpm provides power at motor for described lock-up clutch; With
Described lock-up clutch or not when working under the 600rpm at motor, thereby make described absorber spring can absorb Engine torque.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US55514104P | 2004-03-22 | 2004-03-22 | |
| US60/555141 | 2004-03-22 | ||
| US11/061106 | 2005-02-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1737404A true CN1737404A (en) | 2006-02-22 |
| CN100416132C CN100416132C (en) | 2008-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100637627A Expired - Fee Related CN100422598C (en) | 2004-03-22 | 2005-03-22 | Transmission case for lube return 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 |
| CNB2005100560432A Expired - Fee Related CN100439759C (en) | 2004-03-22 | 2005-03-22 | Hydraulic circuit for torsional damper assembly of an electrically variable transmission |
| CNB2005100560201A Active CN100439760C (en) | 2004-03-22 | 2005-03-22 | Hybrid electro-mechanical transmission park system access cover and method |
| CNB2005100559473A Expired - Fee Related CN100433506C (en) | 2004-03-22 | 2005-03-22 | Method for building electric connection in the mixing type mechanical-electrical gear |
| CN2005100559454A Expired - Fee Related CN1722571B (en) | 2004-03-22 | 2005-03-22 | Mixing power machine - wire insulator with threaded insert in the electrical gear |
| CNA2005100560216A Pending CN1737394A (en) | 2004-03-22 | 2005-03-22 | Transmission cluthes and method of cooling |
| CNB2005100637608A Active CN100436883C (en) | 2004-03-22 | 2005-03-22 | Lubrication system and method for hybrid electro-mechanical planetary transmission components |
| CN2005100637650A Expired - Fee Related CN1734132B (en) | 2004-03-22 | 2005-03-22 | Electro-mechanical transmission case and method for assembling electro-mechanical transmission case |
| CNB2005100559469A Expired - Fee Related CN100550579C (en) | 2004-03-22 | 2005-03-22 | The method of motor/generator and cooling electro-mechanical transmission |
| CNB2005100560235A Active CN100460721C (en) | 2004-03-22 | 2005-03-22 | Method and apparatus for cooling and lubricating a hybrid transmission |
| CNB2005100560428A Active CN100521369C (en) | 2004-03-22 | 2005-03-22 | Wiring connection module for hybrid electro-mechanical drive device |
| CNB2005100560220A Active CN100460723C (en) | 2004-03-22 | 2005-03-22 | Motor drive donkey pump for torsional damper of an electrically variable transmission device |
| CNB200510056024XA Active CN100416132C (en) | 2004-03-22 | 2005-03-22 | Torsional damper for electrically-variable transmission |
| CN200510059151A Expired - Fee Related CN100585232C (en) | 2004-03-22 | 2005-03-22 | Hybrid electro-mechanical transmission park system and method of assembly |
| 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 |
| CNB2005100637646A Active CN100384064C (en) | 2004-03-22 | 2005-03-22 | Motor resolver assemble and method for measuring rotor speed and position |
| 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 |
| CNA2005100591553A Pending CN1701996A (en) | 2004-03-22 | 2005-03-22 | Non-sealed park actuator guide for hybrid transmission and method |
| CNB2005100591534A Expired - Fee Related CN100380009C (en) | 2004-03-22 | 2005-03-22 | Snap ring apparatus for hybrid transmission device |
Family Applications Before (13)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100637627A Expired - Fee Related CN100422598C (en) | 2004-03-22 | 2005-03-22 | Transmission case for lube return 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 |
| CNB2005100560432A Expired - Fee Related CN100439759C (en) | 2004-03-22 | 2005-03-22 | Hydraulic circuit for torsional damper assembly of an electrically variable transmission |
| CNB2005100560201A Active CN100439760C (en) | 2004-03-22 | 2005-03-22 | Hybrid electro-mechanical transmission park system access cover and method |
| CNB2005100559473A Expired - Fee Related CN100433506C (en) | 2004-03-22 | 2005-03-22 | Method for building electric connection in the mixing type mechanical-electrical gear |
| CN2005100559454A Expired - Fee Related CN1722571B (en) | 2004-03-22 | 2005-03-22 | Mixing power machine - wire insulator with threaded insert in the electrical gear |
| CNA2005100560216A Pending CN1737394A (en) | 2004-03-22 | 2005-03-22 | Transmission cluthes and method of cooling |
| CNB2005100637608A Active CN100436883C (en) | 2004-03-22 | 2005-03-22 | Lubrication system and method for hybrid electro-mechanical planetary transmission components |
| CN2005100637650A Expired - Fee Related CN1734132B (en) | 2004-03-22 | 2005-03-22 | Electro-mechanical transmission case and method for assembling electro-mechanical transmission case |
| CNB2005100559469A Expired - Fee Related CN100550579C (en) | 2004-03-22 | 2005-03-22 | The method of motor/generator and cooling electro-mechanical transmission |
| CNB2005100560235A Active CN100460721C (en) | 2004-03-22 | 2005-03-22 | Method and apparatus for cooling and lubricating a hybrid transmission |
| CNB2005100560428A Active CN100521369C (en) | 2004-03-22 | 2005-03-22 | Wiring connection module for hybrid electro-mechanical drive device |
| CNB2005100560220A Active CN100460723C (en) | 2004-03-22 | 2005-03-22 | Motor drive donkey pump for torsional damper of an electrically variable transmission device |
Family Applications After (7)
| 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 |
| 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 |
| CNB2005100637646A Active CN100384064C (en) | 2004-03-22 | 2005-03-22 | Motor resolver assemble and method for measuring rotor speed and position |
| 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 |
| CNA2005100591553A Pending CN1701996A (en) | 2004-03-22 | 2005-03-22 | Non-sealed park actuator guide for hybrid transmission and method |
| CNB2005100591534A Expired - Fee Related CN100380009C (en) | 2004-03-22 | 2005-03-22 | Snap ring apparatus for hybrid transmission device |
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| CN (21) | CN100422598C (en) |
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| US8497608B2 (en) * | 2011-01-28 | 2013-07-30 | Remy Technologies, Llc | Electric machine cooling system and method |
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| CN104210485A (en) * | 2013-05-29 | 2014-12-17 | 福特全球技术公司 | Hybrid Electric Vehicle Engine Starting with a Preloaded Damper Spring |
| CN104210485B (en) * | 2013-05-29 | 2018-09-21 | 福特全球技术公司 | Hybrid vehicle engine using the absorber spring of preloading starts method |
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