CN100384064C - Motor resolver assemble and method for measuring rotor speed and position - Google Patents
Motor resolver assemble and method for measuring rotor speed and position Download PDFInfo
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- CN100384064C CN100384064C CNB2005100637646A CN200510063764A CN100384064C CN 100384064 C CN100384064 C CN 100384064C CN B2005100637646 A CNB2005100637646 A CN B2005100637646A CN 200510063764 A CN200510063764 A CN 200510063764A CN 100384064 C CN100384064 C CN 100384064C
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- Y02T10/6204—
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- Y02T10/6282—
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- Y02T10/641—
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
Technical field
The application requires to enjoy in the priority of the U.S. Provisional Patent Application of submitting on March 22nd, 2,004 60/555141, and this application is integrally incorporated herein by reference.
The present invention relates to a kind ofly be used to measure the speed of motor rotor and the motor of position is separated hornwork.
Background technology
For example those motor that are used for having the motor vehicle driven by mixed power of electromechanical transmission have used controller, and it relies on accurately and reliably measures to apply reposefully moment of torsion to spinner velocity and position between motor, engine power shaft and output block.Can adopt can the measurement target wheel many speed sensors of rotation, yet these requirement on devices velocity transducers have accurate localization (for example accurately separating 90 degree each other) each other, this gear box casing that just needs to have held transducer has strict machine work tolerance, and requires to be used for the exceptional space of target wheel.Outside velocity transducer (promptly being located at outside the motor) has increased the length of whole gearbox, and requirement can increase the destination object of inertia.
Summary of the invention
A kind of unique shielding part of the motor resolver assemble that is used for assembling up effectively is provided, and it can guarantee the precision and the reliability of resulting spinner velocity of resolver assemble and position signalling.Therefore, the motor resolver assemble that is used to have the motor of stator and rotor comprise separate the hornwork stator and be arranged on the radially inner side of separating the hornwork stator separate the hornwork rotor.Separating the hornwork rotor can be with respect to separating the rotation of hornwork stator.The motor resolver assemble comprises first and second shielding parts that surround understanding hornwork stator and rotor substantially.First shielding part can rotate with separating the hornwork rotor, and rotates with respect to secondary shielding spare.Therefore, first and second shielding parts just guarantee to understand the hornwork stator and rotor is avoided outside electromagnetic interference, for example come from the electromagnetic interference of motor stator and rotor.
Preferably, the stator of motor and rotor are arranged on the radial outside of separating hornwork stator and rotor, and shielding part radially is arranged between motor reconciliation hornwork rotor and the stator.Motor rotor is conciliate the hornwork rotor and can be supported on the rotor hub, makes them all can rotate with rotor hub.First separates the hornwork shielding part is also referred to as the rotor shielding part, and it preferably is installed in rotor hub with interference fit and conciliates between the hornwork rotor.Equally preferably, motor stator is supported by motor casing, and secondary shielding spare (it can be described as the stator shielding part) is supported by same motor casing.Separate the hornwork stator and the stator shielding part is installed together with interference fit.
Rotor shielding part and stator shielding part must be able to relatively rotate each other.This assigns to realize by first axial part that the rotor shielding part is constructed with first radial component and extend towards the stator shielding part from first radial component.Second axial component that the stator shielding part is constructed with second radial component similarly and extends towards the rotor shielding part from second radial component.First and second axial components are radially opened each other partially, have formed an annular opening between them, and this just allows to relatively rotate between rotor shielding part and the stator shielding part.First and second axial components preferably overlap, and make that external electromagnetic interference is difficult to pass between these axial components.Rotor shielding part and stator shielding part are preferably formed and ground connection by copper plated steel, thereby can electromagnetic energy be directed to the earth point place shared with motor by them.
The present invention also provides a kind of motor rotor of measuring with respect to the speed of motor stator and the method for position.This method comprises separates the radially inner side that hornwork is positioned at motor rotor and motor stator with motor.Motor is separated hornwork and is had the hornwork of separating stator reconciliation hornwork rotor.This method comprises that also roughly surrounding motor with first and second shielding parts (being rotor shielding part and stator shielding part) separates hornwork, separates hornwork from the electromagnetic interference effect of motor rotor and motor stator to motor so that stop.And then measure and separate relative velocity and the position that the hornwork rotor is conciliate the hornwork stator.This method preferably includes motor rotor is supported on the rotor hub, will separate the hornwork rotor supports on same rotor hub, and the rotor shielding part is installed between the rotor hub reconciliation hornwork rotor.Equally preferably, this method comprises motor stator is supported on the motor casing, secondary shielding spare is supported on the same motor casing, and will separates the hornwork stator and be installed on the secondary shielding spare.Therefore, the position of motor rotor has been represented in the position of separating the hornwork rotor, and this is because they are supported by same parts (rotor hub).The position of separating hornwork stator and motor stator also is relevant, and this is because they are supported by same motor casing.
From the following detailed description of implementing best mode of the present invention, also in conjunction with the accompanying drawings, can be easily aware of above-mentioned feature and advantage of the present invention and other feature and advantage.
Description of drawings
Fig. 1 is the schematic cross sectional views with hybrid electro-mechanical gearbox of motor/generator;
Fig. 2 is the show in schematic partial sections of one of motor/generator shown in Figure 1, and it has the motor resolver assemble that is installed in its radially inner side;
Fig. 3 is the show in schematic partial sections of motor resolver assemble shown in Figure 2; With
Fig. 4 is the perspective schematic view of the partly cut-away of motor/generator shown in Fig. 2 and 3 and motor resolver assemble.
Embodiment
Referring to accompanying drawing, similar in the drawings label is represented similar parts, and Fig. 1 has shown the hybrid electro-mechanical gearbox 10 with central axis 12.In gearbox 10, be provided with the first motor/generator assembly 14 and the second motor/generator assembly 16 round central axis 12.Each motor/generator assembly includes rotor, has supported rotor hub, the stator of rotor and the motor casing that has supported stator, as hereinafter with reference to shown in Figure 2 and as described in.Main shaft 20 longitudinally is provided with and can be around central axis 12 rotation.Be provided with a plurality of interior axles as interior axle 22 with one heart round main shaft 20, they also can rotate around central axis.Be provided with power shaft 24 before main shaft 20, it can be operated so that power is delivered to the gearbox 10 from the engine (not shown).The joint of being located at the one or more clutches in a plurality of clutches (being shown as first clutch 26, second clutch 28, three-clutch 30 and four clutches 32 respectively) in the gearbox 10 respectively with first planetary gearsets 34, second planetary gearsets 36 and the third line star gear train 38 in one or more interconnection so that under different gear ratio, give output 39 with transmission of power.
Referring to Fig. 2, the first motor/generator assembly 14 comprises the motor stator 40 in the first that is fixed on motor casing 42, and it is grounding on the gear-box case body 44.Motor stator 40 comprises stator core 48, and it has the coiling electricity winding 46 that therefrom extends out.Motor rotor 50 is supported on can be on central axis 12 rotor rotated wheel hubs 52.The size of motor rotor 50 is made for and can be installed in the stator 48, and can rotate in response to the selective charge of winding 46, and this is that those skilled in the art is well-known.Motor rotor 50 and motor stator 40 can be described as motor 40,50 together.Between the first 42 of rotor hub 52 and motor casing, be provided with bearing 54A, between the second portion 45 of rotor hub 52 and motor casing, be provided with bearing 54B, this second portion 45 can with first's 42 compounding practices, so that motor rotor 50 and motor stator 40 are closed.Motor rotor 50 and motor stator 40 have formed motor 40,50 together.Between bearing 54A and rotor hub 52, be provided with motor resolver assemble 56 (seeing Fig. 3 for details).In the second motor/generator assembly 16 shown in Figure 1, similar motor and motor resolver assemble have been used.
Referring to Fig. 3, motor is separated hornwork and is comprised that understanding hornwork stator 58 conciliates hornwork rotor 60.Separating hornwork 58,60 separates hornwork rotor 60 and carries out work in the relative motion of separating in the hornwork stator 58 that has one group of induction coil 59 by detecting vane type.The pumping signal that stator coil 59 receives from the motor controller (not shown), two pick-up loops are (not shown, but preferably be located at radial position place similar of separating on the hornwork stator 58 to stator coil 59) signal is returned to controller, its level depends on the propinquity and the speed of rotor blade.Those skilled in the art can easily understand the design and the function of separating hornwork rotor 60 reconciliation hornwork stators 58.Separating hornwork rotor 60 is supported on the rotor hub 52.First separates hornwork shielding part 62 is also referred to as rotor shielding part 62 here, and it is installed in motor rotor 52 with interference fit and conciliates between the hornwork rotor 60.Rotor shielding part 62 comprises part 64 of roughly radially extending and the roughly axial component 66 that therefrom extends out.Second separates hornwork shielding part 68 is also referred to as stator shielding part 68 here, and it comprises roughly part 70 radially and the roughly axial component 72 that therefrom extends axially out.Hornwork 58,60 separated by motor and shielding part 62,68 is called motor resolver assemble 56 together.Stator shielding part 68 is supported by the first 42 of motor casing at least in part.Separating hornwork stator 58 is installed on the stator shielding part 68 with interference fit.First axial component 66 and second axial component 72 extend opposite to each other, and be overlapping and spaced apart, thereby formed an annulus 74.Motor rotor 50 with respect to the relative velocity of motor stator 40 and position can by measurement separate hornwork rotor 60 with respect to the relative position of separating hornwork stator 58 determine (this be because, separating hornwork rotor 60 is installed on the rotor hub 52 and can rotates thereupon, it is static separating hornwork stator 58, and is installed on the first motor casing part 42 that has also supported motor stator 40).Because stator shielding part 68 and rotor shielding part 62 are separated hornwork 58,60 round motor, so the overlapping characteristic of rotor shielding part 62 and stator shielding part 68 just can prevent that the magnetic field of motor 40,50 from producing rate signal and disturbing.The motor 40,50 that its speed is monitored by resolver assemble 56 can send intense electromagnetic and disturb (EMI) or electromagnetic noise, and they are that the high frequency switching that is brought by its rotating magnetic field and motor controller produces.Electromagnetic energy from motor rotor 50 and motor stator 40 preferably passes through shielding part 62,68 and ground connection.Shielding part 62,68 is preferably formed by the copper plated steel stamping parts, and they have formed the labyrinth seal structure that overlaps each other, thereby it is isolated with magnetic field that motor is separated hornwork 58,60.Electromagnetic energy from motor rotor 50 and motor stator 40 is directed away by shielding part 62,68, and is drawn towards ground.The first 42 of rotor hub 52, motor casing and bearing 54A are as an extendible portion of shielding part, so that further tackle electromagnetic energy and guide it into ground.In the motor resolver assemble that the second motor/generator assembly 16 is adopted, used similar shielding part (not shown).
Referring to Fig. 4, this another view of first shielding part 62 and secondary shielding spare 68 shown shielding part 62,68 with respect to separate the hornwork stator 58 conciliate hornwork rotors 60 around with overlapping feature.
Therefore, referring to the structure shown in Fig. 1-4, the speed of motor rotor 50 and the method for measurement of position comprise separates the radially inner side that hornwork 58,60 is positioned at motor rotor 50 and motor stator 48 with motor.Then, this method comprises that surrounding motor substantially with first shielding part 62 and secondary shielding spare 68 separates hornwork 58,60, so that stop the electromagnetic interference from motor rotor 50 and motor stator 48.Motor resolver assemble 56 comprises to be separated hornwork stator 58, separates hornwork rotor 60 and first shielding part 62 and secondary shielding spare 68.One in first shielding part 62 and the secondary shielding spare 68 can be rotated (rotor shielding part 62 can rotate with respect to stator shielding part 68) with respect to another, and this method also comprises measuring separates relative velocity and the position that hornwork rotor 60 is conciliate hornwork stators 58.
This method preferably also comprises motor rotor 50 is supported on the rotor hub 52, will separate hornwork rotor 60 and be supported on the same rotor hub 52; Therefore, separate hornwork rotor 60 with the speed rotation identical, and can be used as the speed of motor rotor 50 and the indication of position with motor rotor 50.This method comprises that also first shielding part (rotor shielding part 62) is installed in rotor hub 52 conciliates between the hornwork rotor 60.
This method comprises also motor stator 40 is supported on the motor casing 42 that it is on the motor casing 42 that secondary shielding spare (stator shielding part 68) is supported on same part.Separating hornwork stator 58 is installed on the stator shielding part 68.Therefore, because rotor 50,60 can be with same rotor hub 52 rotations, and stator 40,58 to be installed in same stationary components be on the motor casing 42, therefore, separate hornwork stator 58 and conciliate the indication that the relative position of hornwork rotors 60 can be used as the relative position of motor stator 40 and motor rotor 50.
Implement best mode of the present invention though described in detail, however be familiar with those skilled in the art in the invention can recognize belong to the claims scope interior be used to implement multiple alternative design of the present invention and embodiment.
Claims (15)
1. motor resolver assemble that is used to have the motor of stator and rotor, described resolver assemble comprises:
Separate the hornwork stator;
Be arranged on the described radially inner side of separating the hornwork stator and can be with respect to its rotation separate the hornwork rotor;
Described hornwork stator and described first and second shielding parts of separating the hornwork rotor separated have been surrounded substantially; Described first shielding part can be separated the rotation of hornwork rotor with described, and with respect to described secondary shielding spare rotation; With
Wherein, therefore described first and second shielding parts can protect the described hornwork stator of separating to conciliate the electromagnetic interference that the hornwork rotor is avoided the outside, and described first and second shielding parts radially are arranged on described motor and the described hornwork rotor of separating is conciliate between the hornwork stator.
2. motor resolver assemble according to claim 1 is characterized in that, the stator of described motor and rotor are arranged on described hornwork stator, the described radial outside of separating hornwork rotor and described first and second shielding parts separated; Therefore described first and second shielding parts can protect the described hornwork stator of separating to conciliate the external electromagnetic interference that the hornwork rotor is avoided described motor.
3. motor resolver assemble according to claim 1 is characterized in that described motor rotor is supported on the rotor hub; The described hornwork rotor of separating rotates with described rotor hub; Described first separates the hornwork shielding part is installed in described rotor hub and described separating between the hornwork rotor with interference fit.
4. motor resolver assemble according to claim 1 is characterized in that described motor stator is supported by motor casing; Described secondary shielding spare is supported by described motor casing.
5. motor resolver assemble according to claim 4 is characterized in that, describedly separates the hornwork stator and described secondary shielding spare is installed together with interference fit.
6. motor resolver assemble according to claim 1 is characterized in that, described first shielding part has first axial component that extends towards described secondary shielding spare; Described secondary shielding spare has second axial component that extends towards described first shielding part; Described first and second axial components are radially opened each other partially, have formed annular opening between them, relatively rotate between described first and second shielding parts allowing.
7. motor resolver assemble according to claim 6 is characterized in that, described first and second axial components overlap at least in part.
8. motor resolver assemble according to claim 1 is characterized in that, described first and second shielding parts are copper-plated steel part.
9. motor resolver assemble according to claim 1 is characterized in that, the described first and second shielding part ground connection make electromagnetic energy be drawn away by described first and second shielding parts.
10. hybrid electro-mechanical gearbox comprises:
Motor with motor stator and motor rotor;
Have the motor of separating hornwork stator reconciliation hornwork rotor and separate hornwork;
First and second shielding parts; they radially are arranged on described motor and described motor is separated between the hornwork; and surrounded described motor substantially and separated hornwork; first axial component that described first shielding part has first radial component and therefrom extends out; second axial component that described secondary shielding spare has second radial component and therefrom extends out; described first axial component extends towards described second radial component; and described second axial component extends towards described first radial component; described first and second axial components are radially opened and axial overlap at least in part each other partially; to allow described first and second shielding parts to relatively rotate, protect simultaneously and describedly separate the hornwork rotor and the described hornwork stator of separating is avoided electromagnetic interference from described motor rotor and described motor stator.
11. hybrid electro-mechanical gearbox according to claim 10 is characterized in that, described gearbox also comprises:
Supported the rotor hub of described motor rotor;
Surround described motor stator and motor rotor and supported the motor casing of described motor stator;
Wherein, the described hornwork rotor of separating is supported also and can be rotated thereupon by described rotor hub;
Described first shielding part and described rotor hub are installed together with interference fit;
The described hornwork stator of separating is supported at least in part by described motor casing; With
Describedly separate the hornwork stator and described secondary shielding spare is installed together with interference fit.
12. measure motor rotor with respect to the speed of motor stator and the method for position for one kind, described method comprises:
Motor is separated the radially inner side that hornwork is positioned at described motor rotor and motor stator; Wherein said motor is separated hornwork and is had the hornwork of separating stator reconciliation hornwork rotor;
Roughly surround described motor with first and second shielding parts and separate hornwork, so that stop electromagnetic interference from described motor rotor and motor stator, wherein, in the described shielding part one can be with respect to another rotation in the described shielding part, and described first and second shielding parts radially are arranged on described motor and the described hornwork rotor of separating is conciliate between the hornwork stator; With
According to determine described relative velocity and the position that the hornwork rotor is conciliate the hornwork stator of separating from the described signal of separating the hornwork stator.
13. method according to claim 12 is characterized in that, described method also comprises:
Described motor rotor is supported on the rotor hub;
With the described hornwork rotor supports of separating on described rotor hub; With
Described first shielding part is installed in described rotor hub conciliates between the hornwork rotor.
14. method according to claim 13 is characterized in that, described method also comprises:
Described motor stator is supported on the motor casing;
Described secondary shielding spare is supported on the described motor casing; With
The described hornwork stator of separating is installed on the described secondary shielding spare.
15. method according to claim 14 is characterized in that, described method also comprises:
With the described first and second shielding part ground connection, make electromagnetic energy be drawn away by described first and second shielding parts.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US55514104P | 2004-03-22 | 2004-03-22 | |
| US60/555141 | 2004-03-22 | ||
| US11/060226 | 2005-02-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1744411A CN1744411A (en) | 2006-03-08 |
| CN100384064C true CN100384064C (en) | 2008-04-23 |
Family
ID=35581203
Family Applications (21)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100560216A Pending CN1737394A (en) | 2004-03-22 | 2005-03-22 | Transmission cluthes and method of cooling |
| CNB2005100560432A Expired - Fee Related CN100439759C (en) | 2004-03-22 | 2005-03-22 | Hydraulic circuit for torsional damper assembly of an electrically variable transmission |
| CNB2005100637627A Expired - Fee Related CN100422598C (en) | 2004-03-22 | 2005-03-22 | Transmission case for lube return 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 |
| 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 |
| CNB200510056024XA Active CN100416132C (en) | 2004-03-22 | 2005-03-22 | Torsional damper for electrically-variable transmission |
| CNB2005100560428A Active CN100521369C (en) | 2004-03-22 | 2005-03-22 | Wiring connection module for hybrid electro-mechanical drive device |
| CN200510059151A Expired - Fee Related CN100585232C (en) | 2004-03-22 | 2005-03-22 | Hybrid electro-mechanical transmission park system and method of assembly |
| CNA2005100637631A Pending CN1728508A (en) | 2004-03-22 | 2005-03-22 | Integrated motor bearing springs for hybrid electro-mechanical transmission and method |
| CNB2005100591568A Expired - Fee Related CN100472103C (en) | 2004-03-22 | 2005-03-22 | Hydraulic circuit for torsional damper assembly of an 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 |
| CNB2005100560220A Active CN100460723C (en) | 2004-03-22 | 2005-03-22 | Motor drive donkey pump for torsional damper of an electrically variable transmission device |
| CNB2005100637608A Active CN100436883C (en) | 2004-03-22 | 2005-03-22 | Lubrication system and method for hybrid electro-mechanical planetary transmission components |
| 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 |
| CN2005100637650A Expired - Fee Related CN1734132B (en) | 2004-03-22 | 2005-03-22 | Electro-mechanical transmission case and method for assembling electro-mechanical transmission case |
| CNB2005100637646A Active CN100384064C (en) | 2004-03-22 | 2005-03-22 | Motor resolver assemble and method for measuring rotor speed and position |
| CNB2005100559469A Expired - Fee Related CN100550579C (en) | 2004-03-22 | 2005-03-22 | The method of motor/generator and cooling electro-mechanical transmission |
| 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 |
| CNB2005100560235A Active CN100460721C (en) | 2004-03-22 | 2005-03-22 | Method and apparatus for cooling and lubricating a hybrid transmission |
Family Applications Before (17)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100560216A Pending CN1737394A (en) | 2004-03-22 | 2005-03-22 | Transmission cluthes and method of cooling |
| CNB2005100560432A Expired - Fee Related CN100439759C (en) | 2004-03-22 | 2005-03-22 | Hydraulic circuit for torsional damper assembly of an electrically variable transmission |
| CNB2005100637627A Expired - Fee Related CN100422598C (en) | 2004-03-22 | 2005-03-22 | Transmission case for lube return 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 |
| 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 |
| CNB200510056024XA Active CN100416132C (en) | 2004-03-22 | 2005-03-22 | Torsional damper for electrically-variable transmission |
| CNB2005100560428A Active CN100521369C (en) | 2004-03-22 | 2005-03-22 | Wiring connection module for hybrid electro-mechanical drive device |
| CN200510059151A Expired - Fee Related CN100585232C (en) | 2004-03-22 | 2005-03-22 | Hybrid electro-mechanical transmission park system and method of assembly |
| CNA2005100637631A Pending CN1728508A (en) | 2004-03-22 | 2005-03-22 | Integrated motor bearing springs for hybrid electro-mechanical transmission and method |
| CNB2005100591568A Expired - Fee Related CN100472103C (en) | 2004-03-22 | 2005-03-22 | Hydraulic circuit for torsional damper assembly of an 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 |
| CNB2005100560220A Active CN100460723C (en) | 2004-03-22 | 2005-03-22 | Motor drive donkey pump for torsional damper of an electrically variable transmission device |
| CNB2005100637608A Active CN100436883C (en) | 2004-03-22 | 2005-03-22 | Lubrication system and method for hybrid electro-mechanical planetary transmission components |
| 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 |
| CN2005100637650A Expired - Fee Related CN1734132B (en) | 2004-03-22 | 2005-03-22 | Electro-mechanical transmission case and method for assembling electro-mechanical transmission case |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100559469A Expired - Fee Related CN100550579C (en) | 2004-03-22 | 2005-03-22 | The method of motor/generator and cooling electro-mechanical transmission |
| 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 |
| CNB2005100560235A Active CN100460721C (en) | 2004-03-22 | 2005-03-22 | Method and apparatus for cooling and lubricating a hybrid transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (21) | CN1737394A (en) |
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