CN206797095U - A kind of horizontal dual power source vehicle traction assembly - Google Patents

A kind of horizontal dual power source vehicle traction assembly Download PDF

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Publication number
CN206797095U
CN206797095U CN201720105051.XU CN201720105051U CN206797095U CN 206797095 U CN206797095 U CN 206797095U CN 201720105051 U CN201720105051 U CN 201720105051U CN 206797095 U CN206797095 U CN 206797095U
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China
Prior art keywords
gear
clutch
jackshaft
power source
transmission
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CN201720105051.XU
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Chinese (zh)
Inventor
余平
杨昌祺
李建文
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Sophisticated Electric Polytron Technologies Inc
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Sophisticated Electric Polytron Technologies Inc
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Abstract

The utility model discloses a kind of horizontal dual power source vehicle traction assembly, including two power sources and automatic transmission, automatic transmission is provided with the first input shaft and the second input shaft, and two power sources input axis connections with two respectively;The first jackshaft is arranged with parallel with the first input shaft, the concentric direction of first input shaft is provided with the second jackshaft, the concentric direction of first jackshaft is provided with the 3rd jackshaft, the first gear on the first input shaft and the second gear engaged transmission on the first jackshaft;The 4th meshed transmission gear on the 3rd gear and the second jackshaft on second input shaft;The 5th gear on second jackshaft, and the 6th meshed transmission gear on the 3rd jackshaft, the 6th gear simultaneously with the 7th meshed transmission gear on differential mechanism.On the one hand drive assembly of the present utility model shortens the longitudinal size of drive assembly, be adapted to compact type vehicle;On the other hand the number of gears that uses is few, simplifies drive mechanism.

Description

A kind of horizontal dual power source vehicle traction assembly
Technical field
A kind of horizontal dual power source vehicle traction assembly is the utility model is related to, is connected, is used for vehicle propons or back axle Drive vehicle.
Background technology
Current pure electric or hybrid new-energy automobile, dynamic characteristics and the vehicle requirement of used motor have Difference, speed can not be met than the requirement with torque.Because new-energy automobile needs the operating mode road conditions in face of becoming increasingly complex, user Comfort level and course continuation mileage to new-energy automobile require more and more higher, and simple motor direct driving pattern, motor connection subtract The new-energy automobile of fast device pattern or oil electric mixed dynamic pattern can not meet the demand for development of new-energy automobile industry.
In current vehicle engine assembly, power source, clutch, gearbox or decelerator, drive shaft are generally all longitudinal directions Arrangement, length is larger, and occupancy vehicle space is larger, requires that compact-sized dilly does not apply to for some.
In addition, at present in pure electric or hybrid new-energy automobile, decelerator because motor rotor shaft impact it is larger (turn Sub- axle and input shaft are not integral), traditional slip clutch can not be used, used clutch can only be by hard The mode of connection, does not possess pooling feature, can not meet the requirement of new-energy automobile.
In existing motor direct driving pattern automobile, dynamical system does not have clutch function, the synchronization of traditional inertia friction formula Device can not use, speed changer can not gear shift, single fast ratio can only be used;The startup and parking of vehicle can only lean on the startup of motor And stopping, the performance that have impact on motor play.
Utility model content
For above mentioned problem of the prior art, it is total that the utility model provides a kind of horizontal dual power source vehicle traction Into, to solve the single speed of existing power assembly than transmission, the problem of complex road condition operating mode can not be adapted to.
It is larger to solve existing power assembly longitudinal size simultaneously, can not be used on compact type vehicle, Yi Jibian Fast device middle gear number is more, the problem of drive mechanism complexity.
In order to achieve the above object, the technical solution of the utility model is realized in:
The utility model provides a kind of horizontal dual power source vehicle traction assembly, is connected with axle half shafts, and the vehicle drives Dynamic assembly includes the first power source, the second power source and automatic transmission, the automatic transmission be provided with the first input shaft with Second input shaft, the power source input axis connections, the automatic transmission and the axle half shafts junction with two respectively It is provided with differential mechanism;
In the automatic transmission, the first jackshaft is arranged with parallel with the first input shaft, it is concentric with the first input shaft Direction is provided with the second jackshaft, and the concentric direction of the first jackshaft is provided with the 3rd jackshaft, first jackshaft and First clutch is provided between 3rd jackshaft, the second clutch is provided between first input shaft and the second jackshaft Device;
First gear is provided with first input shaft, second gear, the first tooth are provided with first jackshaft Wheel and second gear engaged transmission;The 3rd gear is provided with second input shaft, is provided with second jackshaft Four gears, the 3rd gear and the 4th meshed transmission gear;
The 5th gear is additionally provided with second jackshaft, the 6th gear is provided with the 3rd jackshaft, it is described The 7th gear, the 5th gear and the 6th meshed transmission gear are provided with differential mechanism, the 6th gear engages with the 7th gear simultaneously Transmission.
Further, second power source is motor, when first clutch and second clutch disconnection, described second Power source pass sequentially through second input shaft, the 3rd gear, the 4th gear, the second jackshaft, the 5th gear, the 6th gear, Power is transferred to the axle half shafts by the 7th gear and differential mechanism.
Further, when the first clutch engagement, second clutch disconnect, first power source passes sequentially through described First input shaft, first gear, second gear, the first jackshaft, first clutch, the 3rd jackshaft, the 6th gear, the 7th tooth Power is transferred to the axle half shafts by wheel and differential mechanism.
Further, the first gear and second gear engaged transmission ratio are i1, and the 6th gear engages biography with the 7th gear Dynamic ratio be i3, when the first clutch engagement, second clutch disconnection, in the automatic transmission engaged transmission ratio for i1 × i3。
Further, when the second clutch engagement, first clutch disconnect, first power source passes sequentially through described First input shaft, second clutch, the second jackshaft, the 5th gear, the 6th gear, the 7th gear and differential mechanism transmit power To the axle half shafts.
Further, the 5th gear, the 6th gear and the 7th meshed transmission gear ratio are i2, and the second clutch is nibbled When conjunction, first clutch disconnect, engaged transmission ratio is i2 in the automatic transmission.
Further, the 3rd gear and the 4th meshed transmission gear ratio are i4, the 5th gear, the 6th gear and Seven meshed transmission gear ratios are i2, and when the first clutch and second clutch disconnect, second power source passes through automatic Speed changer, with i4 × i2 engaged transmission than output power.
Further, it is additionally provided with eighth gear on the 3rd jackshaft;
The 5th meshed transmission gear on the eighth gear and second jackshaft, the 6th gear only with it is described 7th meshed transmission gear.
Further, the first gear and second gear engaged transmission ratio are i1, and the 6th gear engages biography with the 7th gear Dynamic ratio is i3, and the 3rd gear and the 4th meshed transmission gear ratio are i4, and the 5th gear and eighth gear engaged transmission ratio are i5;
When first clutch engagement, second clutch disconnect, in the automatic transmission engaged transmission ratio be i1 × i3;
The first clutch disconnects, second clutch engagement when, in the automatic transmission engaged transmission ratio be i5 × i3;
When the first clutch and second clutch disconnect, second power source by automatic transmission, with i4 × I5 × i3 engaged transmission is than output power.
Further, first power source is motor or engine and ISG motor combinations.
The utility model set using said structure has advantages below:
Vehicle engine assembly of the present utility model, it is connected with the rear axle shaft or front axle half shaft of vehicle, vehicle engine assembly Dual power source input, three kinds of speed can be achieved than transmission, type of belt drive and power input mode are flexible, meet vehicle to different road conditions Traveling demand, when vehicle bear a heavy burden climb when, may be selected it is double dynamical input, compared with large speed ratio be driven, improve vehicle driving force, more The defects of compensation car driving force deficiency;When vehicle is in cruising condition, optional single-power input, smaller speed ratio transmission, with satisfaction Vehicle is run at high speed requirement, saves the energy, improves vehicle course continuation mileage.In addition, in vehicle start, the first power source and second Power source starts simultaneously, can increase total driving force of drive assembly, vehicle is shortened accelerator, faster realizes and runs at high speed.
The design pattern of torsional vibration damper combination end face tooth-like clutch can make kinetic energy rejection minimum, compensate for conventional friction formula Clutch is because that can not bear the dynamic impact of motor and the defects of the too short life-span.
Horizontal dual power source vehicle traction assembly provided by the utility model, on the one hand shorten the longitudinal ruler of drive assembly It is very little, it is adapted to compact type vehicle;On the other hand because the number of gears used is less, drive mechanism is simplified.
Brief description of the drawings
Fig. 1 is the structural representation of the horizontal dual power source vehicle traction assembly of the utility model embodiment 1;
Fig. 2 is the structural representation of the horizontal dual power source vehicle traction assembly of the utility model embodiment 2;
Fig. 3 is the structural representation of the horizontal dual power source vehicle traction assembly of the utility model embodiment 3.
In figure:10. automatic transmission;11. first gear;12. second gear;13. the 3rd gear;14. the 4th gear; 15. the 5th gear;16. the 6th gear;17. the 7th gear;18. eighth gear;
21. the first input shaft;22. the second input shaft;
31. the first jackshaft;32. the second jackshaft;33. the 3rd jackshaft;
41. first clutch;42. second clutch;
50. differential mechanism;
60. motor;
70. engine;71.ISG motors;72. torsional vibration damper;
80. vehicle bridge.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer Type embodiment is described in further detail.
Embodiment 1
As shown in figure 1, the utility model embodiment 1 provides a kind of horizontal dual power source vehicle traction assembly, with vehicle bridge half Axis connection, vehicle traction assembly include the first power source, the second power source and automatic transmission 10, and automatic transmission 10 is provided with First input shaft 21 and the second input shaft 22, the first power source and the second power source input with the first input shaft 21 and second respectively Axle 22 connects, and automatic transmission 10 is provided with differential mechanism 50 with axle half shafts junction.
In automatic transmission 10, the first jackshaft 31 is arranged with parallel with the first input shaft 21, it is same with the first input shaft 21 Axis direction is provided with the second jackshaft 32;First jackshaft, 31 concentric direction is provided with the 3rd jackshaft 33.
First clutch 41 is provided between first jackshaft 31 and the 3rd jackshaft 33, in the first input shaft 21 and second Second clutch 42 is provided between countershaft 32.
First gear 11 is provided with first input shaft 21, second gear 12, the first tooth are provided with the first jackshaft 31 Wheel 11 and the engaged transmission of second gear 12;The 3rd gear 13 is provided with second input shaft 22, is provided with the second jackshaft 32 4th gear 14, the 3rd gear 13 and the engaged transmission of the 4th gear 14;The 5th gear 15 is additionally provided with second jackshaft 32, the The 6th gear 16 is provided with three jackshafts 33, the 7th gear 17, the 5th gear 15 and the 6th gear are provided with differential mechanism 50 16 engaged transmissions, the 6th gear 16 simultaneously with the engaged transmission of the 7th gear 17.
In the embodiment 1, the first power source is that engine 70 combines with ISG motors 71, on the one hand can reduce and start The idling loss of machine 70 and pollution, another aspect ISG motors 71 play a part of generator, renewable generating, recovered energy, real Existing energy-saving effect.Second power source is motor 60.From said structure, the vehicle traction of the utility model embodiment 1 is total Into automatic transmission be different from the layout type of the input shafts of conventional transmissions, jackshaft and output shaft, on the one hand shorten The longitudinal size of drive assembly, it is adapted to compact type vehicle;On the other hand because the number of gears used is less, biography is simplified Dynamic process.
The power transmission mode of above-mentioned drive assembly is as follows:
When first clutch 41 engages, second clutch disconnected 42 disconnects, the first power source passes sequentially through the first input shaft 21st, first gear 11, second gear 12, the first jackshaft 31, first clutch 41, the 3rd jackshaft 33, the 6th gear 16, Power is transferred to axle half shafts by seven gears 17 and differential mechanism 50.
First gear 11 is set with the engaged transmission ratio of second gear 12 as i1, the 6th gear 16 engages biography with the 7th gear 17 Dynamic ratio is i3, and when first clutch 41 engages, second clutch 42 disconnects, engaged transmission ratio is i1 × i3 in automatic transmission. This is the first operating mode.
When second clutch 42 engages, first clutch 41 disconnects, the first power source pass sequentially through the first input shaft 21, Second clutch 42, the second jackshaft 32, the 5th gear 15, the 6th gear 16, the 7th gear 17 and differential mechanism 50 pass power It is handed to axle half shafts.
The 5th gear 15, the 6th gear 16 and the engaged transmission ratio of the 7th gear 17 are set as i2, second clutch 42 engages, When first clutch 41 disconnects, the first power source is by automatic transmission, with i2 engaged transmission than output power, the 6th gear 16 be idle pulley.This is the second operating mode.
Second power source is that motor 60 is used as auxiliary power source, due to motor can arbitrarily speed governing, first Under operating mode or the second operating mode, if the motor 60 of the second power source starts simultaneously, vehicle driving force can be improved, it is automatic to become Engaged transmission ratio remains in that the above results in fast device 10.
When first clutch 41 and second clutch 42 disconnect, the second power source passes sequentially through the second input shaft 22, the Three gears 13, the 4th gear 14, the second jackshaft 32, the 5th gear 15, the 6th gear 16, the 7th gear 17 and differential mechanism 50 will Power is transferred to axle half shafts.
The 3rd gear 13 and the engaged transmission ratio of the 4th gear 14 are set as i4, when first clutch 41 and second clutch 42 During disconnection, the second power source is by automatic transmission, with i4 × i2 engaged transmission than output power.This is the 3rd operating mode.
When in three operating modes, engine 70 can be used as auxiliary power source, now by first clutch 41 or the second Clutch 42 engages, and can provide bigger driving force under the 3rd operating mode;
When first clutch 41 and second clutch 42 disconnect, start the first power source, the power of the first power source without Method is transferred to axle half shafts, and only ISG motors 71 play a part of generator, renewable generating, electric power store into battery or Operate and use for the second power source.
Wherein, gearratio i1, i2, i3 and i4 big I is changed by changing size or the number of teeth of gear, so as to change Become the gearratio of automatic transmission 10.In the present embodiment, the diameter of the 4th gear 14 is less than the 5th gear 15.
From the foregoing, the drive assembly of the utility model embodiment can realize three kinds of gearratios:
The engine 70 of first power source starts, and first clutch 41 engages, when second clutch 42 disconnects, fluid drive Engaged transmission ratio is i1 × i3 in device 10.Now, the second power source can start or close.When second power source starts, it can increase Add total driving force of drive assembly, in vehicle start, vehicle can be made to shorten accelerator, faster realize and run at high speed.
The engine 70 of first power source starts, and second clutch 42 engages, when first clutch 41 disconnects, fluid drive Engaged transmission ratio is i2 in device 10.Now, the second power source can start or close.Equally, when the second power source starts, can increase Add total driving force of drive assembly.
The motor 60 of second power source starts, when first clutch 41 and second clutch 42 disconnect, automatic transmission Engaged transmission ratio is i4 × i2 in 10.Now, the engine 70 of the first power source can start or close.First power source starts When, the power of the first power source can not be transferred to axle half shafts, and only ISG motors 71 play a part of generator, renewable generating, Electric power is stored into battery or operated for the second power source and used.
From the foregoing, the vehicle traction assembly can realize dual power source input, three kinds of speed than transmission, type of belt drive spirit It is living, meet traveling demand of the vehicle to different road conditions, when vehicle is bearing a heavy burden climbing, more double dynamical input, large speed ratio may be selected Transmission, improve vehicle driving force, the defects of making up vehicle driving force deficiency;When vehicle is in cruising condition, single-power may be selected Input, smaller speed, to meet that vehicle is run at high speed requirements, save the energy, raising vehicle course continuation mileage than transmission.In addition, in car Starting when, the first power source and the second power source start simultaneously, can increase total driving force of drive assembly, make vehicle shorten add Fast process, faster realize and run at high speed.
In the utility model embodiment, axle half shafts are front axle half shaft or rear axle shaft;Vehicle traction assembly and propons During half axis connection, vehicle is forerunner's pattern, and when vehicle traction assembly is connected with rear axle shaft, vehicle is rear-guard pattern.
First clutch 41, second clutch 42 are end face tooth-like clutch, including be engaged transmission movable fluted disc and Fixed gear plate, facing drive tooth or teeth groove are provided with movable fluted disc, end face teeth groove or transmission are correspondingly provided with fixed gear plate Tooth.End face tooth-like clutch can be such that kinetic energy rejection farthest reduces relative to slip clutch, compensate for conventional friction formula Clutch is because that can not bear the dynamic impact of motor and the defects of the too short life-span.
The type of drive of end face tooth-like clutch can be electromagnetic drive type (being driven using electromagnet absorption) or hydraulic drive Formula (being driven using hydraulic mechanism) or pneumatic driving dynamic formula (being driven using air pressure mechanism) or motor-driven (utilize motor band It is dynamic), the disk axial movement of driving movable teeth is engaged with fixed gear plate.
When first clutch 41 and second clutch 42 are electromagnetism tooth embedded-type clutch, vehicle traction assembly is defeated in power Fashionable, electromagnetism tooth embedded-type clutch can make power, and moment disengages and combined at any time with vehicle, realizes the smooth-going switching of power, carries High vehicle smooth ride degree.
Embodiment 2
The utility model embodiment 2 is the improvement made on the basis of embodiment 1, and the utility model embodiment 2 is with implementing The distinctive points of example 1 are, as shown in Fig. 2 set eighth gear 18 on the 3rd jackshaft 33, now the 5th gear 15 and the 8th The engaged transmission of gear 18;6th gear 16 only with the engaged transmission of the 7th gear 17.
The 5th gear 15 and the engaged transmission ratio of eighth gear 18 are set as i5, the 6th gear 16 engages biography with the 7th gear 17 Dynamic ratio is i3, when first clutch 41 disconnects, the engagement of second clutch 42 when, the first power source by automatic transmission 10, with I5 × i3 engaged transmission is than output power.
The 3rd gear 13 and the engaged transmission ratio of the 4th gear 14 are set as i4, when first clutch 41 and second clutch 42 During disconnection, the second power source is by automatic transmission 10, with i4 × i5 × i3 engaged transmission than output power.
The different drive ratios of this embodiment 2 set more flexible, and constraint is smaller, when selecting big speed ratio, gear it is straight Footpath is smaller, can effectively reduce the radial dimension of automatic transmission.
In the present embodiment, the diameter of the 4th gear 14 is more than the 5th gear 15.
The other guide of the utility model embodiment 2 is same as Example 1, is not repeated to describe herein.
Embodiment 3
The utility model embodiment 3 is the improvement made on the basis of embodiment 1, and the utility model embodiment 3 is with implementing The distinctive points of example 1 are that, as shown in figure 3, in the utility model embodiment 3, the first power source uses motor 70.
The other guide of the utility model embodiment 3 is same as Example 1, is not repeated to describe herein.
Embodiment 4
In the utility model embodiment 4, set reverse as shown in Figure 1 or 2, between engine 70 and ISG motors 71 Shock absorber 72, torsional vibration damper 72 have pooling feature, and the torsion that can reduce the bonding part of engine 70 and ISG motors 71 is firm Degree, so as to reduce Torsional Vibration Natural Frequency, eliminate torsional oscillation.
The other guide of the utility model embodiment 4 is same as Example 1, is not repeated to describe herein.
More than, only specific embodiment of the present utility model, under above-mentioned teaching of the present utility model, art technology Personnel can carry out other improvement or deformation on the basis of above-described embodiment.It is it will be understood by those skilled in the art that above-mentioned Specific descriptions simply preferably explain the purpose of this utility model, the scope of protection of the utility model should be with the guarantor of claim Shield scope is defined.

Claims (10)

1. a kind of horizontal dual power source vehicle traction assembly, is connected with axle half shafts, it is characterised in that the vehicle traction assembly Including the first power source, the second power source and automatic transmission, the automatic transmission is provided with the first input shaft and second defeated Enter axle, the power source is provided with two input axis connections, the automatic transmission with the axle half shafts junction respectively Differential mechanism;
In the automatic transmission, the first jackshaft is arranged with parallel with the first input shaft, with the concentric direction of the first input shaft The second jackshaft is provided with, the concentric direction of the first jackshaft is provided with the 3rd jackshaft, first jackshaft and the 3rd First clutch is provided between jackshaft, second clutch is provided between first input shaft and the second jackshaft;
First gear is provided with first input shaft, is provided with second gear on first jackshaft, first gear with Second gear engaged transmission;The 3rd gear is provided with second input shaft, the 4th tooth is provided with second jackshaft Wheel, the 3rd gear and the 4th meshed transmission gear;
The 5th gear is additionally provided with second jackshaft, the 6th gear, the differential are provided with the 3rd jackshaft Be provided with the 7th gear, the 5th gear and the 6th meshed transmission gear on device, the 6th gear simultaneously with the 7th meshed transmission gear.
2. vehicle traction assembly according to claim 1, it is characterised in that second power source is motor, when When one clutch and second clutch disconnect, second power source passes sequentially through second input shaft, the 3rd gear, the 4th Power is transferred to the axle half shafts by gear, the second jackshaft, the 5th gear, the 6th gear, the 7th gear and differential mechanism.
3. vehicle traction assembly according to claim 2, it is characterised in that the first clutch engagement, the second clutch When device disconnects, first power source passes sequentially through first input shaft, first gear, second gear, the first jackshaft, the Power is transferred to the axle half shafts by one clutch, the 3rd jackshaft, the 6th gear, the 7th gear and differential mechanism.
4. vehicle traction assembly according to claim 3, it is characterised in that the first gear engages biography with second gear Dynamic ratio is i1, and the 6th gear and the 7th meshed transmission gear ratio are i3, and the first clutch engagement, second clutch disconnect When, engaged transmission ratio is i1 × i3 in the automatic transmission.
5. vehicle traction assembly according to claim 2, it is characterised in that the second clutch engagement, the first clutch Device disconnect when, first power source pass sequentially through first input shaft, second clutch, the second jackshaft, the 5th gear, Power is transferred to the axle half shafts by the 6th gear, the 7th gear and differential mechanism.
6. vehicle traction assembly according to claim 5, it is characterised in that the 5th gear, the 6th gear and the 7th Meshed transmission gear ratio is i2, when the second clutch engagement, first clutch disconnect, engages and passes in the automatic transmission Dynamic ratio is i2.
7. vehicle traction assembly according to claim 2, it is characterised in that the 3rd gear engages biography with the 4th gear Dynamic ratio is i4, and the 5th gear, the 6th gear and the 7th meshed transmission gear ratio are i2, the first clutch and second from When clutch disconnects, second power source is by automatic transmission, with i4 × i2 engaged transmission than output power.
8. vehicle traction assembly according to claim 1, it is characterised in that be additionally provided with the 8th on the 3rd jackshaft Gear;
The 5th meshed transmission gear on the eighth gear and second jackshaft, the 6th gear is only with the described 7th Meshed transmission gear.
9. vehicle traction assembly according to claim 8, it is characterised in that the first gear engages biography with second gear Dynamic ratio is i1, and the 6th gear and the 7th meshed transmission gear ratio are i3, and the 3rd gear and the 4th meshed transmission gear ratio are i4, institute It is i5 to state the 5th gear and eighth gear engaged transmission ratio;
When the first clutch engagement, second clutch disconnect, engaged transmission ratio is i1 × i3 in the automatic transmission;
When the first clutch disconnects, second clutch engages, engaged transmission ratio is i5 × i3 in the automatic transmission;
When the first clutch and second clutch disconnect, second power source by automatic transmission, with i4 × i5 × I3 engaged transmission is than output power.
10. vehicle traction assembly according to claim 1, it is characterised in that first power source is motor or hair Motivation and ISG motor combinations.
CN201720105051.XU 2017-01-24 2017-01-24 A kind of horizontal dual power source vehicle traction assembly Active CN206797095U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106740024A (en) * 2017-01-24 2017-05-31 精进电动科技股份有限公司 A kind of horizontal dual power source vehicle traction assembly
WO2018137422A1 (en) * 2017-01-24 2018-08-02 精进电动科技股份有限公司 Horizontal vehicle drive assembly

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106740024A (en) * 2017-01-24 2017-05-31 精进电动科技股份有限公司 A kind of horizontal dual power source vehicle traction assembly
WO2018137422A1 (en) * 2017-01-24 2018-08-02 精进电动科技股份有限公司 Horizontal vehicle drive assembly
WO2018137423A1 (en) * 2017-01-24 2018-08-02 精进电动科技股份有限公司 Horizontal drive assembly of dual power source vehicle
US10994594B2 (en) 2017-01-24 2021-05-04 Jing-Jin Electric Technologies Co., Ltd. Horizontal vehicle drive assembly
US11052746B2 (en) 2017-01-24 2021-07-06 Jing-Jin Electric Technologies Co., Ltd. Horizontal drive assembly of dual power source vehicle

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