CN102092273B - Hub motor hybrid automobile based on improvement on conventional automobile - Google Patents
Hub motor hybrid automobile based on improvement on conventional automobile Download PDFInfo
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- CN102092273B CN102092273B CN2011100466154A CN201110046615A CN102092273B CN 102092273 B CN102092273 B CN 102092273B CN 2011100466154 A CN2011100466154 A CN 2011100466154A CN 201110046615 A CN201110046615 A CN 201110046615A CN 102092273 B CN102092273 B CN 102092273B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention relates to a hub motor hybrid automobile based on the improvement on the conventional automobile, which comprises the conventional automobile as well as a special control system which comprises a speed and pedal position detection device, a special controller, a motor controller, a hub motor, an energy recovery relay battery I, an energy recovery converter I, a storage battery pack, a generation and charging converter, a working mode selecting device, a recharger, an energy recovery relay battery II, an energy recovery converter II, a voice prompter, a gear detection device, an image displayer, an electrical oil pump, a braking device, a power-assisted steering device, and the like and is arranged on the conventional automobile. The four wheel-driven hybrid automobile is manufactured by changing for a hub motor and mounting the special control system on the basis of the conventional automobile, and the improvement is simple. This provides a new concept for solving the difficult launching problem of the conventional hybrid automobile and the problem of how to improve and upgrade the conventional automobiles which account for 99.9 percent of automobiles into hybrid automobiles.
Description
Technical field
The present invention relates to a kind of hub motor type hybrid vehicle of transforming based on orthodox car, belong to the new energy vehicle field.The hybrid vehicle that is characterized in this four wheel drive only need be changed four hub-type motors and be equipped with once overlapping dedicated control system and can finish on the orthodox car basis, transform simple and direct.
Background technology
Current era, energy conservation and environmental protection always is the two principal themes of human kind sustainable development, being subject to national governments pays much attention to, and the development level of automobile has been played the part of the key player in this two principal themes, relevant information according to the issue of Public Security Department of China Ministry of Public Security, by 2009 the end of the year Chinese automobile quantity be about 7,600 ten thousand, estimate will break through 8,000 ten thousand in 2010.1 kilogram of gasoline of the every burning of automotive engine will consume 15 kilograms of fresh airs, discharges simultaneously the carbonic oxide of 150-200 gram, the hydro-carbon of 4-8 gram, the pollutantss such as oxides of nitrogen of 4-20 gram, so it is particularly important to entire society to reduce the vehicle fuel amount.
General automobile is the most fuel-efficient when 70～80 kilometers speed per hour, oil consumption obviously increases especially that oil consumption is several times even tens times that normally travel when vehicle starting during low speed, relevant information according to the issue of Beijing Communication office, be about 20km/h in the peak load conditions stage loop speed of a motor vehicle, the relatively long energy loss that also causes idling of red time is waited at crossing, Beijing.
Although exist the new-energy automobiles such as pure electric automobile, fuel cell powered vehicle in the reality, because the restriction of the situations such as these automobiles are subject to cost, the distance of travelling, Infrastructure is difficult in the short time popularize in entire society.In the process of clean energy vehicle transition, the hybrid vehicle that has merged both advantages has played the effect of forming a connecting link by orthodox car, provides a new way to addressing the above problem.But the problem that existing hybrid vehicle faces is to need the redesign vehicle, this just means that having a large amount of orthodox cars when hybrid vehicle is put on market is scrapped, cause the wasting of resources, if can carry out the hybrid power transformation to accounting for the orthodox car of China's total vehicle more than 99.9%, it may be the best approach of dealing with problems.
Summary of the invention
Change special hub-type motor on the orthodox car basis and be equipped with a cover dedicated control system, just can form a kind of hub motor type hybrid vehicle of transforming based on orthodox car.This special hub-type motor can not only be used for new car production as the important content of this patent, the most important thing is can be used for orthodox car is carried out the hybrid power transformation.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of hub motor type hybrid vehicle of transforming based on orthodox car, comprise orthodox car and orthodox car add by speed and pedal position detecting device, nonshared control unit, electric machine controller, wheel hub motor, energy reclaims the relaying battery, energy reclaims conv, battery pack, the generator charging conv, the mode of operation selecting arrangement, charger, energy reclaims the relaying battery, energy reclaims conv, voice prompting device, gear detection device, display plotter, electric oil pump, brake equipment, the dedicated control system that servo steering device etc. form; It is characterized in that: nonshared control unit links to each other with the double acting electric machine controller by signal wire (SW), and the double acting electric machine controller links to each other with the double acting wheel hub motor by wire, and nonshared control unit is worked by double acting motor controller controls double acting wheel hub motor; Nonshared control unit links to each other with the generator charging conv by signal wire (SW), generator charging conv one end links to each other with automobile current generator by wire, the other end links to each other with battery pack by wire, and the charging nonshared control unit is controlled automobile current generator to battery charging by the generator charging conv; Nonshared control unit links to each other with display plotter by signal wire (SW), and the mode of operation of automobile is presented on the display plotter by nonshared control unit; The mode of operation selecting arrangement links to each other with automobile master controller and nonshared control unit respectively by signal wire (SW), and chaufeur can be selected corresponding mode of operation by the mode of operation selecting arrangement; Speed and brake pedal position detecting device are installed on the drive link of brake-pedal of automobile, and detection signal is delivered to nonshared control unit by signal wire (SW); One end of charger links to each other with battery pack by wire, and the other end is connected on the charging socket, and is chargeable when this charging socket links to each other with civil power; Energy reclaims the relaying battery and links to each other with double acting electric machine controller and energy recovery conv respectively by wire; Nonshared control unit reclaims conv by signal wire (SW) and energy and links to each other, and nonshared control unit control energy reclaims conv the electric energy that energy reclaims the relaying battery is charged in the battery pack; Nonshared control unit links to each other with voice prompting device and gear detection device by signal wire (SW).
Described wheel hub motor is desk permanent-magnet brushless direct-current double acting motor.
The energy of this hybrid vehicle reclaims mainly and carries out when automobile slide and braking, when speed and brake pedal position detecting device detect automobile and are in the above-mentioned two states, nonshared control unit is put generating state by the motor controller controls wheel hub motor, generate electricity and can reclaim relaying battery and energy by energy and reclaim conv and realize that to battery charging energy reclaims, energy reclaims the moment large charge capacity of electric weight when keeping reduced levels to reclaim to adapt to energy at ordinary times of relaying battery, thereby plays buffer action.
This device adopts following control method:
Described hybrid vehicle has three kinds of mode of operations: electric-only mode, pure engine mode, mixed mode;
Described electric-only mode refer under this pattern nonshared control unit by double acting motor controller controls double acting wheel hub motor as driver element, realize electronic differential by electronic differential module controls double acting electric machine controller and the double acting wheel hub motor of nonshared control unit; By brake module and servo-steering module controls electric oil pump and brake equipment, servo steering device work attainment brake hydraulic pressure and the servo-steering of nonshared control unit, the cooperation by nonshared control unit, double acting electric machine controller, double acting wheel hub motor, energy recovery relaying battery, energy recovery conv, battery pack when automobile slide and braking realizes that energy reclaims;
Described pure engine mode refer under this pattern automobile with combustion engine as driver element, automobile service condition under this pattern is similar to orthodox car, namely by the running of each parts of internal-combustion engine drives, difference is that the cooperation by nonshared control unit, double acting electric machine controller, double acting wheel hub motor, energy recovery relaying battery, energy recovery conv, battery pack realizes that energy reclaims when automobile slide and braking; Nonshared control unit is controlled automobile current generator to battery charging by the generator charging conv;
Described mixed mode refers to that under this pattern wheel hub motor and combustion engine carry out combination drive according to the optimum condition program of having set.So-called optimum condition program refers at first provide power by wheel hub motor when automobile starting, this stage belongs to electric-only mode, after speed arrives setting value, nonshared control unit is to the signal of automobile master controller special delivery starting apparatus combustion engine, switch to internal combustion engine, this stage belongs to pure operating mode of internal combustion engine.Cooperation by nonshared control unit, double acting electric machine controller, double acting wheel hub motor, energy recovery relaying battery, energy recovery conv, battery pack when automobile slide and braking realizes that energy reclaims;
Cooperation control by gear detection device, nonshared control unit, speed and brake pedal position detecting device, voice prompting device and display plotter in the process that each pattern is switched realizes switching; Can directly to connect civil power be battery charging to charger in addition.
The present invention upgrades to hybrid vehicle with orthodox car under the prerequisite that keeps original performance, therefore should guarantee that structurally the transmitting ratio road speed of former machine driven system is constant, guarantee that again wheel hub motor can work alone, based on the above the present invention of requirement being connected between semiaxis and the wheel hub do not done larger change, still adopt the captive joint mode to connect.Make the file location neutral by corresponding control and voice suggestion when wheel hub motor is worked, this moment, wheel hub motor disconnected the part transmission gear rotation that only drives change speed gear box with combustion engine on drive mechanism, thereby had reduced resistance.
Wheel hub motor belongs to the non-straight moving type of built-in high speed disc, and it is difunctional to have a generating of driving, and this wheel hub motor is with reference to the national standard of corresponding wheel hub.
This hybrid vehicle has three kinds of mode of operations: mixed mode, electric-only mode, pure engine mode.As driver element, combustion engine is as driver element under pure engine mode at electric-only mode lower hub motor, and under mixed mode, wheel hub motor and combustion engine carry out combination drive according to the optimum condition program of having set.So-called optimum condition program refers at first provide power by wheel hub motor when automobile starting, this stage belongs to electric-only mode, after speed arrives setting value, nonshared control unit is to the signal of automobile master controller special delivery starting apparatus combustion engine, switch to internal combustion engine, this stage belongs to pure operating mode of internal combustion engine.In the process of switching, by the cooperation control of gear detection device, nonshared control unit, speed and brake pedal position detecting device, voice prompting device and display plotter, realize accurate, easy, visual switching.
For solving in combustion engine not braking and the servo-steering problem of working stage, the present invention adds a cover electric oil pump device at original system, and this device is powered by battery pack.At combustion engine working stage not, for the automobile that adopts hydraulic power-assisted steering, electric oil pump not only can provide power steering but also can be used for hydraulic braking.For the automobile that adopts electric hydraulic power-assisted steering and electric power steering, battery pack can provide servo-steering required electric energy for it, and electric oil pump is used for hydraulic braking.When automobile carried out the energy recovery, wheel hub motor became electric energy to play equally the effect of braking the automobile kinetic transformation by corresponding control system in addition.This electric oil pump device is mainly used in electric-only mode and electric driving stage in composite mode.
Energy reclaims mainly and carries out when automobile slide and braking, when speed and brake pedal position detecting device detect automobile and are in the above-mentioned two states, nonshared control unit is put generating state by the motor controller controls wheel hub motor, generate electricity and can reclaim relaying battery and energy by energy and reclaim conv and realize that to battery charging energy reclaims, energy reclaims the moment large charge capacity of electric weight when keeping reduced levels to reclaim to adapt to energy at ordinary times of relaying battery, thereby plays buffer action.It needs to be noted after stepping on brake pedal, energy reclaims and the hydraulic braking collaborative work, but is more prone to the mode of regenerative braking, like this when the middle rolling car of city, owing to have and accelerate frequently and slow down, carry out in this way energy and reclaim and seem particularly effective.The energy recovery operation is under all working pattern.
The present invention adopts the mode of electronic differential to solve the differential problem of wheel hub motor working stage, controls for Electronic differential control employing speed.The basis of implementing strategy of speed control is the motor driven systems that adopts rotating speed control.Motor is carried out speed control, require when the given rotating speed expected value of system, electric machine control system should remove to realize system requirements with fastest response speed.The input media of differential speed system is bearing circle, and by a sensor angle variation is input to controller, and controller is realized electronic differential according to the rotating speed of this angular adjustment motor.Electronic differential is mainly used in electric-only mode and electric driving stage in composite mode.
The electric energy of described hybrid vehicle battery pack mainly contains three sources:
1, battery pack can directly connect civil power by charger and charges;
2, the electric energy of energy recovery;
3, at the car combustion engine working stage, by cooperating of nonshared control unit and generator charging conv, the redundant electric energy generated of automobile current generator is stored in the battery pack.
Bright spot of the present invention is that orthodox car only needs each wheel hub is changed above-mentioned wheel hub motor and is equipped with once the scalable hybrid vehicle that transform as of cover dedicated control system.By simple transformation, upgrade to hybrid vehicle with accounting for the orthodox car of China's total vehicle more than 99.9%, make orthodox car use electricity instead in the highest stage of oil consumption and drive, saving resource has reduced quantity discharged, and has realized the energy recovery.
Description of drawings
Fig. 1 is groundwork figure of the present invention
1. nonshared control units among the figure, 2. battery pack, 3. double acting electric machine controller, 4. double acting wheel hub motor, 5. mode of operation selecting arrangement, 6. automobile current generator, 7. generator charging conv, 8. speed and brake pedal position detecting device, 9. automobile master controller, 10. charger, 11. energy reclaim the relaying battery, and 12. energy reclaim conv, 13. voice prompting device, 14. gear detection device, 15. display plotters, 16. electric oil pump, 17. brake equipments, 18. servo steering devices
The specific embodiment:
In Fig. 1, battery pack 2, energy reclaim the side that relaying battery 11 is placed on under-seat and boot, still adopt the captive joint mode to be connected between double acting wheel hub motor 4 and the semiaxis, electric oil pump 16 is installed near the driving engine, it is connected to brake equipment 17 and servo steering device 18 by former pipeline, and simultaneously nonshared control unit 1 is by signal wire (SW) its work of control that links to each other with electric oil pump 16.
Described hybrid vehicle has three kinds of mode of operations: electric-only mode, pure engine mode, mixed mode.
So-called electric-only mode refers to that nonshared control unit 1 is controlled double acting wheel hub motors 4 as driver element by double acting electric machine controller 3 under this pattern, realizes electronic differentials by electronic differential module controls double acting electric machine controller 3 and the double acting wheel hub motor 4 of nonshared control unit 1; Brake module by nonshared control unit 1 and servo-steering module controls electric oil pump 16 and brake equipment 17, servo steering device 18 work attainment brake hydraulic pressure and servo-steerings reclaim the cooperation that relaying battery 11, energy reclaim conv 12, battery pack 2 by nonshared control unit 1, double acting electric machine controller 3, double acting wheel hub motor 4, energy and realize that energy reclaims when automobile slide and braking.
So-called pure engine mode refer under this pattern automobile with combustion engine as driver element, automobile service condition under this pattern is similar to orthodox car, namely by the running of each parts of internal-combustion engine drives, difference is that the cooperation by nonshared control unit 1, double acting electric machine controller 3, double acting wheel hub motor 4, energy recovery relaying battery 11, energy recovery conv 12, battery pack 2 realizes that energy reclaims when automobile slide and braking; Nonshared control unit 1 charges to battery pack 2 by generator charging conv 7 control automobile current generators 6.
So-called mixed mode refers to that under this pattern double acting wheel hub motor 4 and combustion engine carry out combination drive according to the optimum condition program of having set.So-called optimum condition program refers at first provide power by double acting wheel hub motor 4 when automobile starting, this stage belongs to electric-only mode, after speed arrives setting value, nonshared control unit 1 is to the signal of automobile master controller 9 special delivery starting apparatus combustion engines, switch to internal combustion engine, this stage belongs to pure operating mode of internal combustion engine.Cooperation by nonshared control unit 1, double acting electric machine controller 3, double acting wheel hub motor 4, energy recovery relaying battery 11, energy recovery conv 12, battery pack 2 when automobile slide and braking realizes that energy reclaims.
Cooperation control by gear detection device 14, nonshared control unit 1, speed and brake pedal position detecting device 8, voice prompting device 13 and display plotter 15 in the process that each pattern is switched realizes accurate, easy, visual switching; Can directly to connect civil power be battery pack 2 charging to charger 10 in addition.
Claims (5)
1. hub motor type hybrid vehicle of transforming based on orthodox car comprises orthodox car and reclaims relaying battery, energy by speed and brake pedal position detecting device, nonshared control unit, double acting electric machine controller, double acting wheel hub motor, battery pack, generator charging conv, mode of operation selecting arrangement, charger, energy and reclaim the dedicated control system that conv, voice prompting device, gear detection device, display plotter, electric oil pump, brake equipment, servo steering device form what orthodox car added; It is characterized in that: nonshared control unit links to each other with the double acting electric machine controller by signal wire (SW), and the double acting electric machine controller links to each other with the double acting wheel hub motor by wire, and nonshared control unit is worked by double acting motor controller controls double acting wheel hub motor; Nonshared control unit links to each other with the generator charging conv by signal wire (SW), generator charging conv one end links to each other with automobile current generator by wire, the other end links to each other with battery pack by wire, and nonshared control unit is controlled automobile current generator to battery charging by the generator charging conv; Nonshared control unit links to each other with display plotter by signal wire (SW), and the mode of operation of automobile is presented on the display plotter by nonshared control unit; The mode of operation selecting arrangement links to each other with automobile master controller and nonshared control unit respectively by signal wire (SW), and chaufeur can be selected corresponding mode of operation by the mode of operation selecting arrangement; Speed and brake pedal position detecting device are installed on the drive link of brake-pedal of automobile, and detection signal is delivered to nonshared control unit by signal wire (SW); One end of charger links to each other with battery pack by wire, and the other end is connected on the charging socket, and is chargeable when this charging socket links to each other with civil power; Energy reclaims the relaying battery and links to each other with double acting electric machine controller and energy recovery conv respectively by wire; Nonshared control unit reclaims conv by signal wire (SW) and energy and links to each other, and nonshared control unit control energy reclaims conv the electric energy that energy reclaims the relaying battery is charged in the battery pack; Nonshared control unit links to each other with voice prompting device and gear detection device by signal wire (SW);
Add a cover electric oil pump at orthodox car, described electric oil pump is powered by battery pack; At combustion engine working stage not, for the automobile that adopts hydraulic power-assisted steering, electric oil pump not only can provide power steering but also can be used for hydraulic braking; For the automobile that adopts electric hydraulic power-assisted steering and electric power steering, battery pack can provide servo-steering required electric energy for it, and electric oil pump is used for hydraulic braking.
2. a kind of hub motor type hybrid vehicle of transforming based on orthodox car according to claim 1, it is characterized in that: described double acting wheel hub motor is desk permanent-magnet brushless direct-current double acting motor.
3. a kind of hub motor type hybrid vehicle of transforming based on orthodox car according to claim 1 is characterized in that:
The energy of this hybrid vehicle reclaims mainly and carries out when automobile slide and braking, when speed and brake pedal position detecting device detect automobile and are in the above-mentioned two states, nonshared control unit is put generating state by double acting motor controller controls double acting wheel hub motor, generate electricity and can reclaim relaying battery and energy by energy and reclaim conv and realize that to battery charging energy reclaims, energy reclaims the moment large charge capacity of electric weight when keeping reduced levels to reclaim to adapt to energy at ordinary times of relaying battery, thereby plays buffer action.
4. a kind of hub motor type hybrid vehicle of transforming based on orthodox car according to claim 1, it is characterized in that: this hybrid vehicle adopts following control method:
Described hybrid vehicle has three kinds of mode of operations: electric-only mode, pure engine mode, mixed mode;
So-called electric-only mode refer under this pattern nonshared control unit by double acting motor controller controls double acting wheel hub motor as driver element, by electronic differential module controls double acting electric machine controller and the double acting wheel hub motor realization electronic differential of nonshared control unit; By brake module and servo-steering module controls electric oil pump and brake equipment, servo steering device work attainment brake hydraulic pressure and the servo-steering of nonshared control unit, the cooperation by nonshared control unit, double acting electric machine controller, double acting wheel hub motor, energy recovery relaying battery, energy recovery conv, battery pack when automobile slide and braking realizes that energy reclaims;
So-called pure engine mode refer under this pattern automobile with combustion engine as driver element, automobile service condition under this pattern is similar to orthodox car, namely by the running of each parts of internal-combustion engine drives, difference is that the cooperation by nonshared control unit, double acting electric machine controller, double acting wheel hub motor, energy recovery relaying battery, energy recovery conv, battery pack realizes that energy reclaims when automobile slide and braking; Nonshared control unit is controlled automobile current generator to battery charging by the generator charging conv;
So-called mixed mode refers to that under this pattern double acting wheel hub motor and combustion engine carry out combination drive according to the operating mode program of having set; So-called operating mode program refers at first provide power by the double acting wheel hub motor when automobile starting, this stage belongs to electric-only mode, after speed arrives setting value, nonshared control unit transmits the signal of starting apparatus combustion engine to the automobile master controller, switch to internal combustion engine, this stage belongs to pure operating mode of internal combustion engine; Cooperation by nonshared control unit, double acting electric machine controller, double acting wheel hub motor, energy recovery relaying battery, energy recovery conv, battery pack when automobile slide and braking realizes that energy reclaims;
Cooperation control by gear detection device, nonshared control unit, speed and brake pedal position detecting device, voice prompting device and display plotter in the process that each pattern is switched realizes switching; Can directly to connect civil power be battery charging to charger in addition.
5. the control method of a kind of hub motor type hybrid vehicle of transforming based on orthodox car according to claim 4 is characterized in that:
The mode of employing electronic differential solves the differential problem of wheel hub motor working stage, the input media of differential speed system is bearing circle, and by a sensor angle variation is input to controller, the double acting electric machine controller is realized electronic differential according to the rotating speed of this angular adjustment motor; Electronic differential is used for electric-only mode and electric driving stage in composite mode.
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| CN2011100466154A CN102092273B (en) | 2011-02-25 | 2011-02-25 | Hub motor hybrid automobile based on improvement on conventional automobile |
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| CN2011100466154A CN102092273B (en) | 2011-02-25 | 2011-02-25 | Hub motor hybrid automobile based on improvement on conventional automobile |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102627068B (en) * | 2012-03-27 | 2015-06-17 | 张英华 | Control method for wheel hub motor type hybrid electric vehicle |
| WO2017124210A1 (en) * | 2016-01-22 | 2017-07-27 | 吉好依轨 | Technology for automatically controlling disc generators for wheels |
| CN106314127B (en) * | 2016-09-09 | 2018-11-16 | 朱幕松 | A kind of hybrid vehicle |
| CN106438525B (en) * | 2016-10-20 | 2018-05-01 | 燕山大学 | A kind of Power Recovery type hydraulic constant pressure device |
| CN106494213A (en) * | 2016-12-21 | 2017-03-15 | 怀宁县群力汽车配件有限公司 | A kind of liquified gas automobile remodeling method |
| CN108657270B (en) * | 2018-06-11 | 2023-08-15 | 南京航空航天大学 | Vehicle steer-by-wire system, fault-tolerant control method and fault diagnosis method |
| CN109305054A (en) * | 2018-10-22 | 2019-02-05 | 上海易仑动力技术有限公司 | The multi link drive system and its working method of hub motor electric car |
| CN109760670B (en) * | 2019-03-15 | 2020-06-12 | 吉林大学 | Method for modifying traditional front-engine rear-drive internal combustion engine automobile into hybrid electric automobile |
| CN110920418B (en) * | 2019-11-19 | 2021-06-11 | 里卡多科技咨询(上海)有限公司 | Subsystem and method for realizing autonomous power generation range extension on pure electric vehicle |
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| CN202106837U (en) * | 2011-02-25 | 2012-01-11 | 北京工业大学 | Hub motor type hybrid automobile improved on basis of traditional automobile |
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| JP2008044587A (en) * | 2006-08-18 | 2008-02-28 | Junichi Yoshimori | Overrunning clutch enabling hybrid function and generator and drive motor with built-in deceleration gear |
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| US5558175A (en) * | 1994-12-13 | 1996-09-24 | General Motors Corporation | Hybrid power transmission |
| CN1987159A (en) * | 2006-12-22 | 2007-06-27 | 上海燃料电池汽车动力系统有限公司 | Gear shifting control method of mixed power automobile |
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