CN105109326A - Hybrid transmission driving device - Google Patents
Hybrid transmission driving device Download PDFInfo
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- CN105109326A CN105109326A CN201510512388.8A CN201510512388A CN105109326A CN 105109326 A CN105109326 A CN 105109326A CN 201510512388 A CN201510512388 A CN 201510512388A CN 105109326 A CN105109326 A CN 105109326A
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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Abstract
The invention discloses a hybrid transmission driving device. The hybrid transmission driving device comprises an internal combustion engine (1), a first electric motor/power generator (2), a second electric motor/power generator (3), an output shaft (4), a first planetary gear train (5), a second planetary gear train (6), a third planetary gear train (7), a clutch I (8), a clutch II (9) and a brake (10), wherein the first planetary gear train (5) comprises a sun gear I (51), a planetary carrier I (52) and a gear ring I (53); one end of the planetary carrier I (52) is engaged with the sun gear I (51); and the other end of the planetary carrier I (52) is engaged with the gear ring I (53). The hybrid transmission driving device disclosed by the invention is advantaged in that the structure of the device is simple; and as the device has an engine starting reversing mode, the reversing function can be achieved after a battery of a vehicle is exhausted.
Description
Technical field
The invention belongs to multimode hybrid electric vehicle power drive technology field, particularly a kind of structure simple, and possess engine starting and to reverse gear pattern, after Vehicular battery exhausts, still can realize the hybrid power transmission actuating device of car-backing function.
Background technology
Energy problem, particularly petroleum-based energy are one of problems of paying close attention to the most of various countries in recent years.Improve fuel-economy performance and the emission behavior of automobile, to solve the energy problem and emission pollution problem of increasingly sharpening, become the main objective of automotive field research, this also becomes one of power of modern automobile progress.Before solution electronlmobil flying power, hybrid-power electric vehicle is considered to one of effective way solving vehicle energy saving and environmental issue at present, it is by increasing extra propulsion source (as battery, super capacitor) and actuating device (as motor), be not only vehicular drive and provide extra power, the work efficiency of driving engine can also be improved simultaneously, thus obviously improve economic performance and the emission behavior of vehicle.New-energy automobile, particularly hybrid vehicle become the focus of each large car production Corporation R & D gradually.
At present, hybrid vehicle is towards many planet rows and multimodal trend development.Toyota Company was proposed first oil-electric vehicle Prius in 1997, and this vehicle is improved through three generations, was current double planet wheel rows of mixing system from single planetary row system extension, had become the mark post vehicle of hybrid vehicle.General Motors Coporation release extended-range or be called plug-in hybrid-power automobile Volt, by the action of three power-transfer clutchs, can realize the switching of four mode of operations, it also developed into double planet wheel rows of mixing hybrid drive system in 2015.2008, general, Chrysler, Bayerische Motorne Werke Aktiengeellschaft have developed jointly one and have been called GM dual-mode hybrid system, and be applied in the vehicles such as Tahoe and GMCYukon, this hybrid power system has three rows of planetary wheel mechanisms, six kinds of mode of operations, have outstanding tractive performance, fuel-economy performance and emission behavior.Chinese invention patent application " control system of hybrid power system " (application number: 200610156222.8, publication date: 2008-02-20) disclose a kind of vehicle propulsion system comprising combustion engine, this combustion engine has combustion engine output, electro-mechanical transmission and control system.This combustion engine exports and is coupled to change-speed box with a certain speed ratio and exports, this speed ratio by multiple on electrically one of variable or fixing mode of operation set up.By the control according to preferred best effort cost to select between each mode of operation and control manages.But aforesaid prior art does not all have engine starting to reverse gear pattern, makes, after Vehicular battery electricity exhausts, cannot realize car-backing function, and the design of four power-transfer clutchs makes, and this system architecture is complicated, cost is higher.
In sum, existing multimode hybrid power transmission actuating device Problems existing is: complex structure, lacks engine starting and to reverse gear pattern.
Summary of the invention
The object of the present invention is to provide a kind of hybrid power transmission actuating device, structure is simple, and possesses engine starting and to reverse gear pattern, after Vehicular battery exhausts, still can realize car-backing function.
The technical solution realizing the object of the invention is: a kind of hybrid power transmission actuating device, comprises combustion engine, first motor/generator, second motor/generator, output shaft, first planet train of gears, second planetary gear train, third planet train of gears, power-transfer clutch I, power-transfer clutch II and drg, described first planet train of gears comprises sun wheel I, pinion carrier I and gear ring I, described pinion carrier I one end is engaged with sun wheel I, and the other end engages with gear ring I, and described second planetary gear train comprises sun wheel II, pinion carrier II and gear ring II, described pinion carrier II one end is engaged with sun wheel II, and the other end engages with gear ring II, and described third planet train of gears comprises sun wheel III, pinion carrier III and gear ring III, described pinion carrier III one end is engaged with sun wheel III, and the other end engages with gear ring III, and described combustion engine is connected with gear ring I by internal combustion engine output shaft, first motor/generator is connected with sun wheel I, the second motor/generator and sun wheel II, sun wheel III connects, and output shaft is placed in pinion carrier III, described sun wheel I is connected with gear ring II, forms one, described power-transfer clutch I one end is connected with the first motor/generator, sun wheel I, and the other end is connected with pinion carrier I, described power-transfer clutch II one end is connected with pinion carrier I, and the other end is connected with pinion carrier II, described drg is connected with sun wheel I.
The present invention compared with prior art, its remarkable advantage:
1, by the Engage and disengage of described power-transfer clutch I, power-transfer clutch II and drg, tandem drive pattern can be realized, double-motor electric-only mode, imported power dividing drive pattern and three kinds have the double-motor parallel drive pattern of different drive ratios, are divided into high, medium and low three kinds of different modes according to transmitting ratio difference.
2, multiple-working mode makes this system to adapt to complexity, changeable working environment, effectively improves and improves the dynamic property of vehicle, fuel consumption and emission performance, be applicable to deep hybrid power automobile and plug-in hybrid-power automobile.
3, tandem drive pattern can make vehicle realize pure motorized motions under urban congestion operating mode, double-motor electric-only mode can improve car load acceleration capability when vehicle start, imported power dividing drive pattern can provide higher efficiency under speed operation, underneath drive reduces the quadratic loss changed between mechanical energy and electric energy when vehicle high-speed cruises than paralleling model, improve system effectiveness, high transmission ratio paralleling model then makes vehicle have fabulous tractive performance when low speed.
4, tandem drive pattern makes system when battery electric quantity is low, while start the engine, vehicle still can be made to have the driveability that reverses gear.
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is hybrid power transmission driving device structure schematic diagram of the present invention.
In figure, 1-combustion engine, the 2-the first motor/generator, the 3-the second motor/generator, 4-output shaft, 5-first planet train of gears, the 6-the second planetary gear train, 7-third planet train of gears, 51-sun wheel I, 52-pinion carrier I, 53-gear ring I, 61-sun wheel II, 62-pinion carrier II, 63-gear ring II, 71-sun wheel III, 72-pinion carrier III, 73-gear ring III, 8-power-transfer clutch I, 9-power-transfer clutch II, 10-drg.
Detailed description of the invention
As shown in Figure 1, hybrid power transmission actuating device of the present invention, comprises combustion engine 1, first motor/generator 2, second motor/generator 3, output shaft 4, first planet train of gears 5, second planetary gear train 6, third planet train of gears 7, power-transfer clutch I 8, power-transfer clutch II 9 and drg 10, described first planet train of gears 5 comprises sun wheel I 51, pinion carrier I 52 and gear ring I 53, described pinion carrier I 52 one end is engaged with sun wheel I 51, and the other end engages with gear ring I 53, and described second planetary gear train 6 comprises sun wheel II 61, pinion carrier II 62 and gear ring II 63, described pinion carrier II 62 one end is engaged with sun wheel II 61, and the other end engages with gear ring II 63, and described third planet train of gears 7 comprises sun wheel III 71, pinion carrier III 72 and gear ring III 73, described pinion carrier III 72 one end is engaged with sun wheel III 71, the other end engages with gear ring III 73, described combustion engine 1 is connected with gear ring I 10 by combustion engine 1 output shaft, first motor/generator 2 is connected with sun wheel I 8, the second motor/generator 3 and sun wheel II 11, sun wheel III 14 connects, and output shaft 4 is placed in pinion carrier III 15, meanwhile, described sun wheel I 8 is connected with gear ring II 13, forms one, described power-transfer clutch I 17 one end is connected with the first motor/generator 2, sun wheel I 8, and the other end is connected with pinion carrier I 9, described power-transfer clutch II 18 one end is connected with pinion carrier I 9, and the other end is connected with pinion carrier II 12, described drg is connected with sun wheel I 8.
The present invention is by the Engage and disengage of control clutch I 8, power-transfer clutch II 9 and drg 10, tandem drive pattern can be realized, double-motor electric-only mode, imported power dividing drive pattern and three kinds have the double-motor parallel drive pattern of different drive ratios, are divided into high, medium and low three kinds of different modes according to transmitting ratio difference; And whether press engine starting, whether vehicle in acceleration and deceleration, system also has pure motorized motions pattern, parking operating mode, stopping for charging pattern, below will according to system actuators state, engine starting state, is introduced the mode of operation of this hybrid power transmission actuating device and state.
1, car-parking model 1: power-transfer clutch I 8, power-transfer clutch II 9 and drg 10 are all in released state, and all do not work, vehicle remains static.
2, double-motor electric-only mode: drg 10 engages, power-transfer clutch I 8 and power-transfer clutch II 9 are in released state.
Under this pattern, the first motor/generator 2 is connected with output shaft 4, and the second motor/generator 3 is connected by pinion carrier III 72 with output shaft 4, forms fixed drive ratio.In this mode, driving engine does not start, and the first motor/generator 2 and the second motor/generator 3 take the energy content of battery as the advance of driven by energy vehicle, then realize double-motor electric-only mode.
3, tandem drive pattern: power-transfer clutch I 8 engages, drg 10 and power-transfer clutch II 9 are in released state.
Under this pattern, combustion engine 1 and the first motor/generator 2 are interconnected by first planet train of gears 5, form one, have fixed drive ratio, second motor/generator 3 is interconnected by third planet train of gears 7 with output shaft 4, forms fixed drive ratio; Simultaneously, first motor/generator 2 is connected with combustion engine 1 as electrical generator, second motor/generator 3 is connected with output shaft 4 as electrical motor, first motor/generator 2 mechanical energy obtained of being burnt by combustion engine 1 is converted to electric energy, and being charged the battery by first planet train of gears 6 or powered drives vehicle to the second motor/generator 3; If in this mode, driving engine does not start, and the second motor/generator 3 take the energy content of battery as the advance of driven by energy vehicle, then realize pure motorized motions pattern; If driving engine does not start, and vehicle is in braking deceleration state, second motor/generator 3 can be used as electrical generator, braking energy is converted to electric energy, thus charge the battery, but because this pattern only has a motor to participate in Brake energy recovery, therefore claim the Brake energy recovery state of this pattern to be middle low power Brake energy recovery; If engine starting, and the second motor/generator 3 not consumed energy driving vehicle, then realize stopping for charging pattern.If driving engine is shut down and the second motor/generator 3 not consumed energy, then vehicle is in dead ship condition.Because tandem drive pattern makes this hybrid power transmission actuating device have electric-only mode and stopping for charging pattern, therefore this mixed power plant can be used on stroke lengthening hybrid power automobile and plug-in hybrid-power automobile.
4, imported power dividing drive pattern: power-transfer clutch II 9 engages, drg 10 and power-transfer clutch I 8 are in released state.
In such a mode, pinion carrier I 52, pinion carrier II 62 interconnect with third planet train of gears 7, and now, the first motor/generator 2 is connected with output shaft 4, automobile can be driven to advance and retreat; This pattern is suitable for middle low speed driving operating mode, combustion engine 1 power is through combustion engine 1 output shaft, be input to the pinion carrier II 52 of the gear ring I 53 of first row planetary system, pinion carrier I 52 and second row planetary system, now, the compound planet gear of whole three planetary gear trains composition is as diversion mechanism, when engine power is greater than demand power, excess energy is flowed to the first motor/generator 2 generating to charge the battery, and when engine power is less than demand power, the first motor/generator 2 provides energy drives vehicle as electrical motor again; Now, the Main Function of the second motor/generator 3 is by regulating himself rotating speed, makes combustion engine 1 work in its best fuel-economy efficiency band, improves the efficiency of system.And in this pattern, two motor/generators only during speed operation, are just operated in high efficiency region in vehicle is in, therefore this pattern is suitable for being operated in middle speed operation.In addition, under this pattern, if driving engine does not start, the first motor/generator 2 also can be used as electrical motor or electrical generator, realizes pure motorized motions pattern or Brake energy recovery pattern, and this Brake energy recovery pattern is also middle low power Brake energy recovery.
5, high transmission ratio double-motor parallel drive pattern: when needs realize high transmission ratio double-motor parallel drive, power-transfer clutch I 17 engages with II 18, and drg 19 is in released state.
In such a mode, pinion carrier I 52, pinion carrier II 62 interconnect with pinion carrier III 72, form one, now, first motor/generator 2 is connected with output shaft 4, fixed drive ratio is formed by third planet train of gears 7 between second motor/generator 3 and output shaft 4, fixed drive ratio is formed by first planet train of gears 5 between combustion engine 1 and output shaft 4, therefore under this state, all propulsions source are all coupling in together, there is no the stepless shift function under power dividing drive pattern.Now, double-motor still can as power assistance mechanism, when engine power is greater than demand power, unnecessary engine power is converted to electric energy and charges the battery by double motor/electrical generator, and when engine power is less than operator demand's power, double motor/electrical generator provides energy drives vehicle as electrical motor; Under this state, the transmitting ratio of device, transmitting ratio namely between driving engine and output shaft 4 depends on the gear ring I 53 of first planet train of gears 5 and the ratio of number of teeth of sun wheel I 51, and this ratio is the ratio being greater than aftermentioned two patterns, therefore is called high transmission ratio parallel drive pattern.Due to the high transmission ratio of system, larger output torque can be obtained at system output, add the moment of torsion of two motors thus make vehicle have higher tractive performance in this mode, therefore this pattern is applicable to, and low speed high load demand is instantaneous provides larger power.Simultaneously, when driving engine does not start, this pattern can be operated in pure motorized motions pattern, but now driving engine has dragging effect, therefore do not advise using this pattern to carry out pure motorized motions pattern, and vehicle is under braking deceleration state, this pattern can be used as Brake energy recovery pattern, now, double-motor can participate in Brake energy recovery simultaneously, therefore also claims this pattern to be high Brake energy recovery pattern.
6, middle transmitting ratio double-motor parallel drive pattern: when needs realize in transmitting ratio double-motor parallel drive time, power-transfer clutch II 18 engages with drg 19, and power-transfer clutch I 17 is in released state.
In such a mode, first motor/generator 2 links together with output shaft 4, form one, fixed drive ratio is formed by the second planetary gear train 6 between driving engine and output shaft 4, second motor/generator 3 forms fixed drive ratio by third planet train of gears 7 and output shaft 4, therefore under this state, all propulsions source are all coupling in together, there is no the stepless shift function under power dividing drive pattern.Consistent with high transmission ratio double-motor parallel drive pattern, double-motor still can realize combination drive pattern in parallel as power assistance mechanism.The transmitting ratio of system under this state, transmitting ratio namely between driving engine and output shaft 4 depends on that the gear ring III 73 of third planet train of gears 7 adds the ratio of sun wheel III 71 and the number of teeth of gear ring III 73, this ratio between the transmitting ratio and 1 of high transmission ratio drive pattern, therefore is called middle transmitting ratio parallel drive pattern.Have under this pattern and pure motorized motions pattern and Brake energy recovery pattern like high transmission ratio double-motor parallel drive pattern lower class.
7, underneath drive is than double-motor parallel drive pattern: when needs realize underneath drive than double-motor parallel drive, power-transfer clutch I 17 engages with drg 19, and power-transfer clutch II 18 is in released state.
In such a mode, pinion carrier I 52 and pinion carrier III 72 interconnect, form one, now, first motor/generator 2, sun wheel I 51 is directly connected with output shaft 4, combustion engine 1, pinion carrier I 52 is directly connected with the first motor/generator 2, so time system in all propulsions source will have identical rotating speed, namely between combustion engine 1 and output shaft 4, between first motor/generator 2 and output shaft 4, transmitting ratio between second motor/generator 3 and output shaft 4 is 1, in like manner, under this state, all propulsions source to be all coupling in together, there is no the stepless shift function under power dividing type pattern.Consistent with high transmission ratio double-motor parallel drive pattern, double-motor still can realize combination drive pattern in parallel as power assistance mechanism.The transmitting ratio of system under this state, the transmitting ratio namely between driving engine and output shaft 4 is 1, is the minimum value of three gears, therefore is called that underneath drive is than parallel drive pattern.This pattern is applicable to high speed cruise conditions, according to the feature of power dividing pattern, may occur that the multiple conversions between electric energy and mechanical energy makes energy efficiency lower, and use pure mechanical drive that the efficiency of system can be made to be improved, therefore underneath drive is suitable for high-performance cruise operating mode than double-motor parallel drive pattern.Meanwhile, have under this pattern and pure motorized motions pattern and Brake energy recovery pattern like high transmission ratio double-motor parallel drive pattern lower class.
8, car-parking model 2: power-transfer clutch I 8, power-transfer clutch II 9 and drg 10 are all in engagement state, and vehicle remains static.
Following table is mode of operation condensed table of the present invention:
Table 1 mode of operation condensed table
Another part of the present invention and the present inventor is at first Chinese invention patent application " a kind of multimode hybrid power transmission actuating device " (application number: 201510428407.9; the applying date: 2015..) technical scheme to play the same tune on different musical instruments part; there is structure simple; and possess engine starting and to reverse gear pattern; after Vehicular battery exhausts, still can realize the advantage of car-backing function.But both structures are different.Though be all multimode hybrid power transmission structure; but the mode of operation realized on hybrid electric vehicle has difference; under the present invention program; mode of operation eliminates output type work shunting drive pattern; with the addition of Dual-motors Driving pattern; require that specific output pattern formula is simple to electric machine control under this pattern, double-motor pattern integral power of getting off gets a promotion.
Claims (7)
1. a hybrid power transmission actuating device, is characterized in that:
Comprise combustion engine (1), the first motor/generator (2), the second motor/generator (3), output shaft (4), first planet train of gears (5), the second planetary gear train (6), third planet train of gears (7), power-transfer clutch I (8), power-transfer clutch II (9) and drg (10)
Described first planet train of gears (5) comprises sun wheel I (51), pinion carrier I (52) and gear ring I (53), described pinion carrier I (52) one end is engaged with sun wheel I (51), the other end engages with gear ring I (53)
Described second planetary gear train (6) comprises sun wheel II (61), pinion carrier II (62) and gear ring II (63), described pinion carrier II (62) one end is engaged with sun wheel II (61), the other end engages with gear ring II (63)
Described third planet train of gears (7) comprises sun wheel III (71), pinion carrier III (72) and gear ring III (73), described pinion carrier III (72) one end is engaged with sun wheel III (71), the other end engages with gear ring III (73)
Described sun wheel I (51) is fixedly connected with the output shaft of the first motor/generator (2), described pinion carrier II (62) is fixedly connected with the output shaft of the second motor/generator (3), described sun wheel III (71) is fixedly connected with the output shaft of the second motor/generator (3)
Described power-transfer clutch I (8) one end is connected with the output shaft of the first motor/generator (2), the other end is connected with pinion carrier I (52), described power-transfer clutch II (9) one end is fixedly connected with pinion carrier I (52), the other end is fixedly connected with pinion carrier II (62), described drg (10) one end is fixedly connected with pinion carrier III (72), described pinion carrier III (72) is also fixedly connected with output shaft (4), the other end is connected with sun wheel I (51)
Described gear ring I (53) engages with the output shaft of combustion engine (1).
2. transmission drive according to claim 1, is characterized in that: during the pure motorized motions of double-motor, and drg (10) engages, and power-transfer clutch I (8), power-transfer clutch II (9) are all separated.
3. transmission drive according to claim 1, is characterized in that: during tandem drive, and power-transfer clutch I (8) engages, and power-transfer clutch II (9), drg (10) are all separated.
4. transmission drive according to claim 1, is characterized in that: when imported power dividing drives, and power-transfer clutch II (9) engages, and power-transfer clutch I (8), drg (10) are all separated.
5. transmission drive according to claim 1, is characterized in that: during high transmission ratio double-motor parallel drive, and drg (10) is separated, and power-transfer clutch I (8), power-transfer clutch II (9) all engage.
6. transmission drive according to claim 1, is characterized in that: during middle transmitting ratio double-motor parallel drive, and power-transfer clutch I (8) is separated, and power-transfer clutch II (9), drg (10) all engage.
7. transmission drive according to claim 1, is characterized in that: when underneath drive is than double-motor parallel drive, and power-transfer clutch II (9) is separated, and power-transfer clutch I (8), drg (10) all engage.
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| CN201510512388.8A CN105109326B (en) | 2015-08-19 | 2015-08-19 | A kind of hybrid power transmission drive device |
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| CN201510512388.8A CN105109326B (en) | 2015-08-19 | 2015-08-19 | A kind of hybrid power transmission drive device |
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| CN105109326B CN105109326B (en) | 2017-06-27 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106183780A (en) * | 2016-08-30 | 2016-12-07 | 上海交通大学 | The coaxial coupling drive system of dual planetary gear system bi-motor |
| CN106564361A (en) * | 2016-09-23 | 2017-04-19 | 广州汽车集团股份有限公司 | Double planet row hybrid system and hybrid vehicle |
| CN106627096A (en) * | 2017-01-04 | 2017-05-10 | 广州汽车集团股份有限公司 | Double-planet-row oil-electricity hybrid power system and oil-electricity hybrid power vehicle |
| CN106828129A (en) * | 2017-03-02 | 2017-06-13 | 北理慧动（常熟）车辆科技有限公司 | Four-wheel can the distributed of independent control drive hybrid electric vehicle power system |
| CN108909433A (en) * | 2018-07-09 | 2018-11-30 | 宁波上中下自动变速器有限公司 | Dynamical system for hybrid vehicle |
| CN109664748A (en) * | 2019-01-04 | 2019-04-23 | 重庆菲斯塔新能源汽车科技有限公司 | A kind of new energy power drive unit |
| CN109795306A (en) * | 2019-01-03 | 2019-05-24 | 东南大学 | A kind of actuating unit for hybrid vehicle |
| CN109795305A (en) * | 2019-01-03 | 2019-05-24 | 东南大学 | A kind of transmission device of multimodal fusion power vehicle |
| CN111645506A (en) * | 2019-03-04 | 2020-09-11 | 郑州宇通客车股份有限公司 | Hybrid power system and vehicle |
| CN113573929A (en) * | 2019-05-13 | 2021-10-29 | 舍弗勒技术股份两合公司 | A hybrid transmission unit having a planetary gear set for implementing two series modes and four parallel modes; and motor vehicle |
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| CN106183780B (en) * | 2016-08-30 | 2023-07-25 | 上海交通大学 | Double-planetary gear train double-motor coaxial coupling driving system |
| CN106183780A (en) * | 2016-08-30 | 2016-12-07 | 上海交通大学 | The coaxial coupling drive system of dual planetary gear system bi-motor |
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| CN109795306A (en) * | 2019-01-03 | 2019-05-24 | 东南大学 | A kind of actuating unit for hybrid vehicle |
| CN109795305A (en) * | 2019-01-03 | 2019-05-24 | 东南大学 | A kind of transmission device of multimodal fusion power vehicle |
| CN109664748A (en) * | 2019-01-04 | 2019-04-23 | 重庆菲斯塔新能源汽车科技有限公司 | A kind of new energy power drive unit |
| CN111645506A (en) * | 2019-03-04 | 2020-09-11 | 郑州宇通客车股份有限公司 | Hybrid power system and vehicle |
| CN111645506B (en) * | 2019-03-04 | 2023-04-07 | 宇通客车股份有限公司 | Hybrid power system and vehicle |
| CN113573929A (en) * | 2019-05-13 | 2021-10-29 | 舍弗勒技术股份两合公司 | A hybrid transmission unit having a planetary gear set for implementing two series modes and four parallel modes; and motor vehicle |
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| Publication number | Publication date |
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| CN105109326B (en) | 2017-06-27 |
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