CN103158524A - Driving assembly used for hybrid electric automobile - Google Patents
Driving assembly used for hybrid electric automobile Download PDFInfo
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- CN103158524A CN103158524A CN2011104184871A CN201110418487A CN103158524A CN 103158524 A CN103158524 A CN 103158524A CN 2011104184871 A CN2011104184871 A CN 2011104184871A CN 201110418487 A CN201110418487 A CN 201110418487A CN 103158524 A CN103158524 A CN 103158524A
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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 driving assembly used for a hybrid electric automobile. The driving assembly comprises a front axle driving assembly, a rear axle driving assembly and a control unit. The front axle driving assembly comprises an engine, an automatic clutch, an integrated starter generator (ISG) motor and an automatic speed changer, wherein the engine is connected or disconnected with the ISG motor through the automatic clutch, and the ISG engine is connected with a front axle main speed reducer through the automatic speed changer so as to transmit motive power of the engine and / or the ISG motor to front wheels of the automobile. The rear axle driving assembly comprises a main motor, wherein the main motor is connected with a rear axle main speed reducer so as to transmit motive power of the main motor to rear wheels of the automobile. According to the driving assembly for the hybrid electric automobile, driving status of the automobile can be changed according to actual situations, power performance is good, passage capacity is strong, operation stability of a finished automobile is improved, and braking energy of the front wheels and the rear wheels during braking of the automobile can be recovered.
Description
Technical field
The present invention relates to field of hybrid electric vehicles, especially relate to a kind of driving assembly for hybrid vehicle.
Background technology
Traditional hybrid vehicle generally adopts forerunner's mode, and not only tractive performance is poor, a little less than performance, and can not reclaim the braking energy of trailing wheel during braking, energy-saving effect is limited, simultaneously is difficult for realizing the integrated control on car load chassis during Vehicle Driving Cycle, and the operation stabilization performance is relatively poor.
Summary of the invention
The present invention is intended to solve at least one of technical matters that exists in prior art.For this reason, one object of the present invention is to propose a kind of driving assembly of hybrid vehicle, and described driving assembly power output is powerful, make the dynamic property of hybrid vehicle and crossing ability good, and capacity usage ratio is high.
the driving assembly that is used for hybrid vehicle according to the embodiment of the present invention, described automobile comprises propons and back axle, wherein said propons comprises that propons main reduction gear and front axle differential and described back axle comprise rear-end gear reduction and rear-axle differential, described driving assembly comprises: propons drives assembly, described propons drives assembly and comprises driving engine, self-acting clutch, ISG motor and automatic transmission with hydraulic torque converter, wherein said driving engine is connected or disconnects with described ISG motor by self-acting clutch, described ISG motor is connected with described propons main reduction gear by automatic transmission with hydraulic torque converter with the transmission of power of described driving engine and/or the described ISG motor front-wheel to described automobile, the rear-axle drive assembly, described rear-axle drive assembly comprises main motor, described main motor is connected with described rear-end gear reduction with the transmission of power of the described main motor trailing wheel to described automobile, and control unit, it is a kind of in following operating mode with being connected that the rear-axle drive assembly is connected and can being made the driving operating mode of described automobile by control that described control unit and described propons drive assembly: mix 4 wheel driven, mix forerunner, electric four-wheel drive, electronic rear-guard, and damped condition is a kind of in following operating mode: trailing wheel braking, front and back wheel are braked.
The driving assembly that is used for hybrid vehicle according to the embodiment of the present invention; can change according to actual driving situation the driving condition of automobile; tractive performance is good; strong by performance, the car load operational stability is improved, and can reclaim the braking energy of front and rear wheel when car brakeing; energy-saving effect is significantly improved; thereby improved the fuel economy of car load, reduced simultaneously the discharging of pernicious gas, be beneficial to protection of the environment.
In addition, the driving assembly that is used for hybrid vehicle according to the embodiment of the present invention also has following additional technical feature:
In one embodiment of the invention, when the driving operating mode of described automobile is the mixing 4 wheel driven, described propons drives assembly and described rear-axle drive assembly drives described automobile simultaneously, wherein said propons drives assembly and is configured to described driving engine and the described front-wheel of the common driving of described ISG motor, and described rear driving axle assembly is configured to the described trailing wheel of described main motor-driven.Thus, improve the dynamic property of automobile, simultaneously by property enhancement, reduced the discharging of pernicious gas, protection of the environment, and operational stability is good.
In one embodiment of the invention, when the driving operating mode of described automobile is the mixing forerunner, described propons drives assembly and drives described automobile, described propons drive assembly be configured to the described front-wheel of a part of power driven of described driving engine and another part power through described ISG electric power generation with the battery charge to described automobile.Thus, under the prerequisite that guarantees dynamic property that automobile is certain and crossing ability, reduce the discharging of pernicious gas, protection of the environment and operational stability are good.
In one embodiment of the invention, when the driving operating mode of described automobile is electric four-wheel drive, described propons drives assembly and the described automobile of the common driving of described rear-axle drive assembly, wherein said propons drives assembly and is configured to the described front-wheel of described ISG motor-driven, and described rear-axle drive assembly is configured to the described trailing wheel of described main motor-driven.Thus, the power of automobile all derives from electric energy due to this moment, and discharge of noxious gases, be not beneficial to environmental protection.
In one embodiment of the invention, when the driving operating mode of described automobile was electronic rear-guard, described rear-axle drive assembly drove described automobile, and described back-wheel drive assembly is configured to the described trailing wheel of described main motor-driven.Thus, the power of automobile all derives from electric energy due to this moment, and discharge of noxious gases, be not beneficial to environmental protection.
In one embodiment of the invention, when the damped condition of described automobile is the trailing wheel braking, the required braking force part of described automobile brake is provided by described main motor and another part is provided by friction braking, wherein reclaims braking energy at main motor described in braking procedure.Thus, when the damped condition of automobile was the trailing wheel braking, the recyclable trailing wheel braking energy of main motor had improved the degree of utilization of energy, effectively reduces the driving cost.
In one embodiment of the invention, when the damped condition of described automobile is the front and back wheel braking, the required braking force part of described automobile brake is by described main motor and the ISG motor provides jointly and another part is provided by friction braking, wherein reclaims the trailing wheel braking energy and the ISG motor reclaims the front wheel brake energy at main motor described in braking procedure.Thus, when the damped condition of automobile was the front and back wheel braking, main motor and ISG motor can reclaim respectively trailing wheel braking energy and front wheel brake energy, have further improved the degree of utilization of energy, thereby have reduced the driving cost.
the driving assembly that is used for hybrid vehicle according to the embodiment of the present invention, can change flexibly according to the reality situation of driving a vehicle the motoring condition of automobile, namely mixing 4 wheel driven, mix the forerunner, flexible conversion between four kinds of type of drive of electric four-wheel drive and electronic rear-guard, satisfy multi-form requirement, practicality is good, and the vehicle dynamic quality than precursor structures is good, crossing ability is strong, realized simultaneously the integrated control on car load chassis, car load operating characteristic stability is further improved, guaranteed traffic safety, simultaneously when automobile brake, the braking energy of recyclable front-wheel and trailing wheel also, improved the degree of utilization of energy, saved the energy, fuel economy is good, reduce simultaneously the discharging of pernicious gas, be beneficial to environmental protection.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the driving assembly that is used for hybrid vehicle according to the embodiment of the present invention.
The specific embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
in description of the invention, it will be appreciated that, term " " center ", " vertically ", " laterally ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance.
In description of the invention, need to prove, unless clear and definite regulation and restriction are separately arranged, term " installation ", " being connected ", " connection " should be done broad understanding, for example, can be captive joints, can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also to be electrically connected to; Can be directly to be connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can particular case understand above-mentioned term concrete meaning in the present invention.In addition, in description of the invention, except as otherwise noted, the implication of " a plurality of " is two or more.
Below with reference to the driving assembly 100 that be used for hybrid vehicle of Fig. 1 description according to the embodiment of the present invention, wherein said automobile comprises propons 200 and back axle 300, propons 200 comprises propons main reduction gear and front axle differential, and back axle 300 comprises rear-end gear reduction and rear-axle differential.For convenience of describing, propons main reduction gear and front axle differential are collectively referred to as the poor assembly 210 that subtracts of propons, and rear-end gear reduction and rear-axle differential are collectively referred to as the poor assembly 310 that subtracts of back axle.
The driving assembly 100 that is used for hybrid vehicle according to the embodiment of the present invention, comprise that propons drives assembly 100a, rear-axle drive assembly 100b and control unit, wherein propons driving assembly 100a comprises driving engine 1, self-acting clutch 2, ISG (Integrated starter generator) motor 3 and automatic transmission with hydraulic torque converter 4, driving engine 1 is connected or disconnects with ISG motor 3 by self-acting clutch 2, and ISG motor 3 passes through automatic transmission with hydraulic torque converter 4 and is connected with the propons main reduction gear with the transmission of power of driving engine 1 and/or ISG motor 3 front-wheel 400 to automobile.That is to say, automatic transmission with hydraulic torque converter 4 is passed to front-wheel 400 to drive automobile with the power of driving engine 1 or ISG motor 3 or driving engine 1 and ISG motor 3 by the poor assembly 210 that subtracts of propons.Alternatively, automatic transmission with hydraulic torque converter 4 can be any in hydraulic mechanical type automatic transmission with hydraulic torque converter, AMT or double-clutch automatic transmission.
Rear-axle drive assembly 100b comprises main motor 5, and main motor 5 is connected with rear-end gear reduction with the transmission of power of main motor 5 trailing wheel 500 to automobile.That is to say, main motor 5 by back axle poor subtract assembly 310 can be with transmission of power to trailing wheel 500 to drive automobile.
Control unit, described control unit and propons drive that assembly 100a is connected with rear-axle drive assembly 100b and can be made the driving operating mode of described automobile by control is a kind of in following operating mode: mix 4 wheel driven, mix forerunner, electric four-wheel drive, electronic rear-guard, and damped condition is a kind of in following operating mode: trailing wheel braking, front and back wheel are braked.
The driving assembly 100 that is used for hybrid vehicle according to the embodiment of the present invention; can change according to actual driving situation the driving condition of automobile; tractive performance is good; strong by performance, the car load operational stability is improved, and can reclaim the braking energy of front and rear wheel when car brakeing; energy-saving effect is significantly improved; thereby improved the fuel economy of car load, reduced simultaneously the discharging of pernicious gas, be beneficial to protection of the environment.
In one embodiment of the invention, when the driving operating mode of automobile is the mixing 4 wheel driven, wherein mixing 4 wheel driven is suitable for occurring under the automobile emergency accelerating mode, this moment, propons driving assembly 100a and rear-axle drive assembly 100b drove automobile simultaneously, wherein propons drives assembly 100a and is configured to driving engine 1 and the common front-wheel 400 that drives of ISG motor 3, and rear-axle drive assembly 100b is configured to main motor 5 and drives trailing wheel 500.
That is to say, when driving operating mode for the mixing 4 wheel driven, on the one hand self-acting clutch 2 and driving engine 1 are in bonding state and the power of driving engine 1 finally are passed to front-wheel 400 through ISG motor 3 and automatic transmission with hydraulic torque converter 4 and the poor assembly 210 that subtracts of propons successively, ISG motor 3 work simultaneously also are passed to front-wheel 400 with power through automatic transmission with hydraulic torque converter 4 and the poor assembly 210 that subtracts of propons, the common front-wheel that drives of this moment driving engine 1 and ISG motor 3.On the other hand, main motor 5 is worked and power is passed to trailing wheel 500 through the poor assembly 310 that subtracts of back axle.Thus, improve the dynamic property of automobile, simultaneously by property enhancement, reduced the discharging of pernicious gas, protection of the environment, and operational stability is good.
In one embodiment of the invention, when the driving operating mode of automobile is the mixing forerunner, wherein mix the forerunner and be suitable for occurring in maintenance stage of automobile power, this moment, propons drove assembly 100a driving automobile, and a part of power driven front-wheel 400 and another part power that propons driving assembly 100a is configured to driving engine 1 generate electricity with the battery charge to automobile through ISG motor 3.
That is to say, when the driving operating mode of automobile is the mixing forerunner, a part of power of driving engine 1 finally is passed to front-wheel 400 through self-acting clutch 2, ISG motor 3, automatic transmission with hydraulic torque converter 4 and the poor assembly 210 that subtracts of propons successively, and another part power of driving engine 1 through self-acting clutch 2 pass to ISG motor 3 so that the ISG electric power generation and with electrical power storage in storage battery, keep the SOC balance of storage battery.Thus, under the prerequisite that guarantees dynamic property that automobile is certain and crossing ability, reduce the discharging of pernicious gas, protection of the environment and operational stability are good.
In one embodiment of the invention, when the driving operating mode of automobile is electric four-wheel drive, wherein electric four-wheel drive is suitable for occurring in the high speed stage of city operating mode, this moment, propons driving assembly 100a and rear-axle drive assembly 100b drove automobile simultaneously, wherein propons drives assembly 100a and is configured to ISG motor 3 driving front-wheels 400, and rear-axle drive assembly 100b is configured to main motor 5 and drives trailing wheels 500.
That is to say, when the driving operating mode of automobile is electric four-wheel drive, on the one hand ISG motor 3 by automatic transmission with hydraulic torque converter 4 and propons poor subtract assembly 210 with transmission of power to front-wheel 400, this moment, driving engine 1 stopped oil spout and self-acting clutch 2 disconnects not transferring power with driving engine 1.On the other hand, main motor 5 by back axle poor subtract assembly 310 with transmission of power to trailing wheel 500.Thus, the power of automobile all derives from electric energy due to this moment, and discharge of noxious gases, be not beneficial to environmental protection.
In one embodiment of the invention, when the driving operating mode of automobile is electronic rear-guard, wherein electronic rear-guard is suitable for occurring at the uniform velocity or the low-speed stage of city operating mode, and this moment, rear-axle drive assembly 100b drove automobile, and back-wheel drive assembly 100b is configured to main motor 5 and drives trailing wheels 500.That is to say, when the driving operating mode of automobile was electronic rear-guard, driving engine 1 and ISG motor 3 be the task driven front-wheel not, only had main motor 5 to drive trailing wheel 500 by the poor assembly 310 that subtracts of back axle.Thus, the power of automobile all derives from electric energy due to this moment, and discharge of noxious gases, be not beneficial to environmental protection.
In one embodiment of the invention, when the damped condition of automobile is the trailing wheel braking, the required braking force part of automobile brake is provided by main motor 5 and another part is provided by friction braking, wherein in braking procedure, main motor 5 is in generating state, namely main motor 5 reclaims braking energys and is stored in storage battery, and the less and ISG motor 3 of rate of braking this moment is not worked.Thus, when the damped condition of automobile was the trailing wheel braking, the recyclable trailing wheel braking energy of main motor 5 had improved the degree of utilization of energy, effectively reduces the driving cost.
In one embodiment of the invention, when the damped condition of automobile is the front and back wheel braking, the required braking force part of automobile brake is by main motor 5 and ISG motor 3 provides jointly and another part is provided by friction braking, wherein main motor 5 reclaims trailing wheel braking energy and ISG motor 3 recovery front wheel brake energy in braking procedure, just say that also main motor 5 and ISG motor 3 all are in generating state, namely main motor 5 and ISG motor 3 reclaim braking energy and are stored in storage battery, and this moment, rate of braking was larger with respect to the intensity of trailing wheel braking.Thus, when the damped condition of automobile was the front and back wheel braking, main motor 5 and ISG motor 3 can reclaim respectively trailing wheel braking energy and front wheel brake energy, have further improved the degree of utilization of energy, thereby have reduced the driving cost.
In one embodiment of the invention, when the damped condition of automobile was emergency braking, the required braking force of automobile brake was all provided by friction braking, the maximum and main motor 5 of rate of braking this moment and ISG motor 3 recuperated energy of not working.
be used for according to an embodiment of the invention the driving assembly 100 of hybrid vehicle, can change flexibly according to the reality situation of driving a vehicle the motoring condition of automobile, namely mixing 4 wheel driven, mix the forerunner, flexible conversion between four kinds of type of drive of electric four-wheel drive and electronic rear-guard, satisfy multi-form requirement, practicality is good, and the vehicle dynamic quality than precursor structures is good, crossing ability is strong, realized simultaneously the integrated control on car load chassis, car load operating characteristic stability is further improved, guaranteed traffic safety, simultaneously when automobile brake, the braking energy of recyclable front-wheel and trailing wheel also, improved the degree of utilization of energy, saved the energy, fuel economy is good, reduce simultaneously the discharging of pernicious gas, be beneficial to environmental protection.
Other configuration examples of automobile are all known as steering swivel system and suspension etc. and operation for those skilled in the art, are not described in detail here.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that do not break away from principle of the present invention and aim can be carried out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited by claim and equivalent thereof.
Claims (7)
1. driving assembly that is used for hybrid vehicle, described automobile comprises propons and back axle, wherein said propons comprises that propons main reduction gear and front axle differential and described back axle comprise rear-end gear reduction and rear-axle differential, it is characterized in that, comprising:
Propons drives assembly, described propons drives assembly and comprises driving engine, self-acting clutch, ISG motor and automatic transmission with hydraulic torque converter, wherein said driving engine is connected or disconnects with described ISG motor by self-acting clutch, and described ISG motor is connected with described propons main reduction gear by automatic transmission with hydraulic torque converter with the transmission of power of described driving engine and/or the described ISG motor front-wheel to described automobile;
The rear-axle drive assembly, described rear-axle drive assembly comprises main motor, described main motor is connected with described rear-end gear reduction with the transmission of power of the described main motor trailing wheel to described automobile; With
Control unit, it is a kind of in following operating mode with being connected that the rear-axle drive assembly is connected and can being made the driving operating mode of described automobile by control that described control unit and described propons drive assembly: mix 4 wheel driven, mix forerunner, electric four-wheel drive, electronic rear-guard, and damped condition is a kind of in following operating mode: trailing wheel braking, front and back wheel are braked.
2. the driving assembly for hybrid vehicle according to claim 1, it is characterized in that, when the driving operating mode of described automobile is the mixing 4 wheel driven, described propons drives assembly and described rear-axle drive assembly drives described automobile simultaneously, wherein said propons drives assembly and is configured to described driving engine and the described front-wheel of the common driving of described ISG motor, and described rear driving axle assembly is configured to the described trailing wheel of described main motor-driven.
3. the driving assembly for hybrid vehicle according to claim 1, it is characterized in that, when the driving operating mode of described automobile is the mixing forerunner, described propons drives assembly and drives described automobile, described propons drive assembly be configured to the described front-wheel of a part of power driven of described driving engine and another part power through described ISG electric power generation with the battery charge to described automobile.
4. the driving assembly for hybrid vehicle according to claim 1, it is characterized in that, when the driving operating mode of described automobile is electric four-wheel drive, described propons drives assembly and the described automobile of the common driving of described rear-axle drive assembly, wherein said propons drives assembly and is configured to the described front-wheel of described ISG motor-driven, and described rear-axle drive assembly is configured to the described trailing wheel of described main motor-driven.
5. the driving assembly for hybrid vehicle according to claim 1, it is characterized in that, when the driving operating mode of described automobile was electronic rear-guard, described rear-axle drive assembly drove described automobile, and described back-wheel drive assembly is configured to the described trailing wheel of described main motor-driven.
6. the driving assembly for hybrid vehicle according to claim 1, it is characterized in that, when the damped condition of described automobile is the trailing wheel braking, the required braking force part of described automobile brake is provided by described main motor and another part is provided by friction braking, wherein reclaims braking energy at main motor described in braking procedure.
7. the driving assembly for hybrid vehicle according to claim 1, it is characterized in that, when the damped condition of described automobile is the front and back wheel braking, the required braking force part of described automobile brake is by described main motor and the ISG motor provides jointly and another part is provided by friction braking, wherein reclaims the trailing wheel braking energy and the ISG motor reclaims the front wheel brake energy at main motor described in braking procedure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104184871A CN103158524A (en) | 2011-12-14 | 2011-12-14 | Driving assembly used for hybrid electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104184871A CN103158524A (en) | 2011-12-14 | 2011-12-14 | Driving assembly used for hybrid electric automobile |
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| CN103158524A true CN103158524A (en) | 2013-06-19 |
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| CN104002790A (en) * | 2012-05-04 | 2014-08-27 | 福特环球技术公司 | Methods and systems for conditionally entering a driveline sailing mode |
| CN104828067A (en) * | 2014-12-19 | 2015-08-12 | 北汽福田汽车股份有限公司 | Four-wheel drive hybrid electric vehicle travelling power generation control method and power system thereof |
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| CN105644546A (en) * | 2015-12-29 | 2016-06-08 | 湖南南车时代电动汽车股份有限公司 | Power generation control method for engine and driving motor of hybrid power bus |
| CN105946600A (en) * | 2016-05-04 | 2016-09-21 | 中国第汽车股份有限公司 | Series connection range extending type electric automobile power system and control method thereof |
| CN109080441A (en) * | 2018-08-29 | 2018-12-25 | 徐州重型机械有限公司 | Special vehicle |
| CN110053472A (en) * | 2019-04-25 | 2019-07-26 | 湖北三江航天万峰科技发展有限公司 | A kind of military chassis hybrid power assembly |
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Application publication date: 20130619 |