CN105003645A - Hydraulic control circuit for transmission system of hybrid electric vehicle - Google Patents
Hydraulic control circuit for transmission system of hybrid electric vehicle Download PDFInfo
- Publication number
- CN105003645A CN105003645A CN201510434684.0A CN201510434684A CN105003645A CN 105003645 A CN105003645 A CN 105003645A CN 201510434684 A CN201510434684 A CN 201510434684A CN 105003645 A CN105003645 A CN 105003645A
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- Prior art keywords
- clutch
- loop
- control valve
- single clutch
- double clutch
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/4008—Control of circuit pressure
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The invention belongs to the technical field of vehicle parts and provides a hydraulic control circuit for a transmission system of a hybrid electric vehicle. The hydraulic control circuit comprises a mechanical pump, an oil tank and a double-clutch lubrication cooling circuit and further comprises an electronic pump driven by a power battery, wherein the mechanical pump and the electronic pump are connected in parallel and arranged between a cooling inlet end of the double-clutch lubrication cooling circuit and the oil tank, a first control valve is connected between the cooling inlet end and the electronic pump in series, and the double-clutch lubrication cooling circuit is connected with or disconnected from the electronic pump through the first control valve. By additionally arranging the electronic pump connected with the mechanical pump in parallel, even if the mechanical pump stops working, it can be guaranteed that the double-clutch lubrication cooling circuit works normally, so that a vehicle operates normally.
Description
Technical field
The invention belongs to technical field of automobile components, be specifically related to a kind of hybrid power automobile driving system hydraulic control circuit.
Background technique
Along with improving constantly of environmental consciousness, new energy technology based on electric power is actively applied in automobile production, in order to make up the short defect of pure electric vehicle power deficiency, continual mileage, the hybrid vehicle that motor and internal-combustion engine integrate just is arisen at the historic moment.Existing hybrid power automobile driving system hydraulic control circuit is as follows: the first double clutch control loop, the second double clutch control loop and double clutch lubrication loop are arranged in parallel, its common port is connected to mechanical pump, and the other end of the first double clutch control loop is connected to the first double clutch; The other end of the second double clutch control loop is connected to the second double clutch; Two outlets of the other end in double clutch lubrication loop are respectively towards the first double clutch, the second double clutch and gear; The other end of mechanical pump is connected to fuel tank.
Existing hybrid power automobile driving system hydraulic control circuit is when engine stop work, the mechanical pump connecting fuel tank quits work, double clutch lubrication loop cannot suck fluid, and double clutch is still in work, cause double clutch temperature too high, skidding, speed promote slow, can burn out double clutch time serious, affect the normal operation of vehicle, cause security incident.
Summary of the invention
The object of this invention is to provide a kind of hybrid power automobile driving system hydraulic control circuit, by increasing the electronic pump in parallel with mechanical pump, even if mechanical pump quits work, also can ensure the normal work in double clutch lubrication loop, thus vehicle is normally run.
To achieve these goals, the invention provides following technological scheme:
A kind of hybrid power automobile driving system hydraulic control circuit, comprises mechanical pump, fuel tank and double clutch lubrication loop; Also comprise the electronic pump driven by electrokinetic cell, described mechanical pump and described electronic pump are arranged in parallel between cooling entry end in described double clutch lubrication loop and described institute fuel tank; Also be in series with the first control valve between described cooling entry end and described electronic pump, described double clutch lubrication loop is communicated with described electronic pump by described first control valve or is disconnected.
Preferably, also comprise the first double clutch control loop and the second double clutch control loop that are arranged in parallel, the public control end of the two is connected with described cooling entry end, the other end of described first double clutch control loop connects the first double clutch, and the other end of described second double clutch control loop connects the second double clutch.
Preferably, also comprise the single clutch control loop controlling single clutch break-make, described single clutch control loop is communicated with described electronic pump, and is communicated with described mechanical pump by described first control valve or is disconnected; Described single clutch is located between motor and motor.
Preferably, described single clutch control loop comprises the second control valve that one end is connected to described single clutch, the other end is connected to described electronic pump, and described single clutch is connected or disconnected by described second control valve and described electronic pump; And be communicated with described mechanical pump with the conducting simultaneously of the first control valve by described second control valve.
Preferably, also comprise the single clutch lubrication loop of single clutch described in lubrication, described single clutch lubrication loop is in parallel with described single clutch control loop, and the public entrance of the single clutch of the two is communicated with described electronic pump, and be communicated with described mechanical pump by described first control valve.
Preferably, described single clutch lubrication loop comprises the 3rd control valve and single clutch filter that are connected in series, and the outlet of the single clutch of described single clutch cooling circuit to be communicated with the public entrance of described single clutch by described 3rd control valve or to disconnect.
Preferably, also comprise the gearshift control loop that one end connects shift cylinder, described gearshift control loop and described double clutch lubrication loop are arranged in parallel, and the other end is connected to described cooling entry end.
Preferably, described gearshift control loop comprises the flow control valve, kickdown valve and the shift switch valve that are connected with described shift cylinder.
Beneficial effect of the present invention is:
The present invention is by increasing the electronic pump in parallel with mechanical pump, when the engine is not operating, even if mechanical pump quits work, electronic pump also can pass through electrokinetic cell powered operation, ensureing the fluid in double clutch lubrication loop, is the first double clutch and the second double clutch lubrication, thus reduces temperature and the wearing and tearing of the first double clutch and the second double clutch, make it normally run, improve the Security of vehicle.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of embodiment of hybrid power automobile driving system hydraulic control circuit provided by the present invention.
Reference character:
1, Decompression valves, 2, main pressure control valve, 3, inhalation type filter, 4, mechanical pump, 5, 4th control valve, 6, 3rd control valve, 7, first control valve, 8, electronic pump, 9, second control valve, 10, single clutch, 11, first accumulator, 12, single clutch filter, 13, cooler, 14, lubrication control valve, 15, double clutch filter, 16, cooling spool control valve, 17, coolant rate control valve, 18, 5th control valve, 19, second double clutch, 20, second accumulator, 21, first double clutch, 22, 3rd accumulator, 23, shift cylinder, 24, gearshift flow control valve, 25, shift switch valve, 26, kickdown valve, 27, first double clutch switch valve, 28, 6th control valve, 29, second double clutch switch valve.
Embodiment
In order to make object of the present invention, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Please refer to Fig. 1, in a kind of embodiment, hybrid power automobile driving system hydraulic control circuit provided by the present invention, comprises mechanical pump 4, fuel tank and double clutch lubrication loop; Also comprise the electronic pump 8 driven by electrokinetic cell, mechanical pump 4 and electronic pump 8 are arranged in parallel between cooling entry end in double clutch lubrication loop and institute's fuel tank; Also be in series with the first control valve 7 between cooling entry end and electronic pump 8, double clutch lubrication loop to be communicated with electronic pump 8 by the first control valve 7 or to disconnect.
Above-described embodiment is by increasing the electronic pump 8 in parallel with mechanical pump 4, when the engine is not operating, even if mechanical pump 4 quits work, electronic pump 8 also can pass through electrokinetic cell powered operation, ensureing the fluid in double clutch lubrication loop, is the first double clutch 21 and the second double clutch 19 lubrication, thus reduces temperature and the wearing and tearing of the first double clutch 21 and the second double clutch 19, make it normally run, improve the Security of vehicle.
Cooling entry end is also connected with Decompression valves 1, and the other end of Decompression valves 1 is connected to fuel tank.When the oil pressure in whole loop is too large, Decompression valves 1 is opened, and unnecessary fluid can be flowed into fuel tank, to regulate whole circuit pressure, ensures the normal operation of vehicle.
Hybrid power automobile driving system hydraulic control circuit also comprises the first double clutch control loop and the second double clutch control loop that are arranged in parallel, the public control end of the two is connected with cooling entry end, the other end that the other end of the first double clutch control loop connects the first double clutch 21, second double clutch control loop connects the second double clutch 19.This kind of mode can pass through mechanical pump 4 and/or electronic pump 8 fuel feeding, and without the need to arranging separately the oil supply loop of double clutch, simplify the pipeline of whole control loop, simultaneously when mechanical pump 4 quits work, electronic pump 8 still can work, for it provides power.
First double clutch control loop comprises the first double clutch switch valve 27 and the 6th control valve 28, and when the two is all in conducting position, the first double clutch 21 can be communicated with cooling entry end, and then passes through mechanical pump 4 and/or electronic pump 8 fuel feeding.
The filler opening that hybrid power automobile driving system hydraulic control circuit also comprises the 3rd accumulator the 22, three accumulator 22 accesses the first double clutch control loop, oil outlet access fuel tank.Increasing by the 3rd accumulator 22 can the compression shock of absorption control loop, reduces pressure surge to the impact of the first double clutch control loop, makes the joint of the first double clutch 21, is separated and stablizes more gently.
Second double clutch control loop comprises the second double clutch switch valve 29 and the 5th control valve 18, and when the two is all in conducting position, the second double clutch 19 can be communicated with cooling entry end, and then passes through mechanical pump 4 and/or electronic pump 8 fuel feeding.
The filler opening that hybrid power automobile driving system hydraulic control circuit also comprises the second accumulator 20, second accumulator 20 accesses the second double clutch control loop, oil outlet access fuel tank.Increasing by the second accumulator 20 can the compression shock of absorption control loop, to reduce the impact of pressure surge on the second double clutch control loop, makes the joint of the second double clutch 19, is separated and stablizes more gently.
During work fluid from fuel tank after inhalation type filter 3 carries out single filter; by mechanical pump 4 and/or electronic pump 8, fluid is pumped into cooling entry end; by regulating the electric current of the 4th control valve 5; control the opening of main pressure control valve 2; reach the stable principal pressure of whole system demand, when pressure exceedes certain value, Decompression valves 1 is opened; limiting pressure raises, protection component.Double clutch lubrication loop, fluid carries out cascade filtration by cooling entry end by cooler 13 and double clutch filter 15, the fluid that turbidity test and temperature are controlled is supplied to coolant rate control valve 17, is the first double clutch 21 and the second double clutch 19 lubrication by coolant rate control valve 17 adjust flux.At low temperatures, as-30 DEG C, fluid is thickness very, increases lubrication control valve 14, can prevent overpressure from damaging double clutch filter 15 and cooler 13.When leading to double clutch cooling flow and being excessive, the pressure of oil circuit increases suddenly, and cooling spool control valve 16 can pressure release, and to ensure the pressure of oil circuit, peventing member is damaged.
Hybrid power automobile driving system hydraulic control circuit also comprises the single clutch control loop controlling single clutch 10 break-make, and single clutch control loop is communicated with electronic pump 8, and to be communicated with mechanical pump 4 by the first control valve 7 or to disconnect; Single clutch 10 is located between motor and motor.This kind of hydraulic control circuit changes less to the pipeline structure of motive force assembly, without the need to changing existing transmission housing body structure, only need on the basis of original dual-clutch transmission, carry out simple architecture advances, namely conversion and the output of mixed power can be realized, thus reduce and manufacture and design difficulty, save exploitation and generate and produce cost.
Single clutch control loop comprises single clutch 10 when the second control valve 9, second control valve 9 is in conducting position and can be communicated with cooling entry end, and then passes through mechanical pump 4 and/or electronic pump 8 fuel feeding.
Hybrid power automobile driving system hydraulic control circuit also comprises the filler opening access single clutch control loop of the first accumulator 11, first accumulator 11, oil outlet access fuel tank.Increasing by the first accumulator 11 can the compression shock of absorption control loop, to reduce the impact of pressure surge on single clutch control loop, makes the joint of single clutch 10, is separated and stablizes more gently.
Single clutch control loop comprises the second control valve 9 that one end is connected to single clutch 10, the other end is connected to electronic pump 8, and single clutch 10 is connected or disconnected with electronic pump 8 by the second control valve 9; And be communicated with mechanical pump 4 with the conducting simultaneously of the first control valve 7 by the second control valve 9.By the break-make of two control valve co-controlling single clutch 10, cannot normal break-make if can prevent the first control valve 7 from there is Trouble ticket clutch, thus the normal working of bonding clutch 10.
Also comprise the single clutch lubrication loop of lubrication single clutch 10, single clutch lubrication loop is in parallel with single clutch control loop, and the public entrance of the single clutch of the two is communicated with electronic pump 8, and be communicated with mechanical pump 4 by the first control valve 7.The joint that single clutch 10 can be made more stable by increase single clutch lubrication loop, separation.
Single clutch lubrication loop comprises the 3rd control valve 6 and single clutch filter 12 that are connected in series, and the outlet of the single clutch of single clutch cooling circuit to be communicated with the public entrance of single clutch by the 3rd control valve 6 or to disconnect.Can be ensured the turbidity test of lubrication fluid by filter, the 3rd control valve 6 can regulate the flow of fluid simultaneously, avoids fluid to waste.
Certainly, single clutch lubrication loop also can adopt double clutch lubrication loop, only need be arranged in parallel a single clutch branch road at the double clutch cooling nozzle place in double clutch lubrication loop, and be provided with the 7th control valve controlling its break-make in single clutch branch road.By the work requirements of motor vehicle driven by mixed power, 7th control valve schedule of apportionment clutch 10 works required cooling flow, single clutch filter 12 is reduced by this kind of mode, share double clutch filter 15, save components and parts, to be more convenient for the control of fluid, can better to single clutch 10 lubrication and cooling.
Hybrid power automobile driving system hydraulic control circuit also comprises the gearshift control loop that one end connects shift cylinder 23, and gearshift control loop and double clutch lubrication loop are arranged in parallel, and the other end is connected to cooling entry end.By gearshift control loop is parallel to cooling entry end, shares a fuel tank pipeline with double clutch lubrication loop, the setting in full-vehicle control loop can be simplified, reduce cost of production.
Gearshift control loop comprises the gearshift flow control valve 24, kickdown valve 26 and the shift switch valve 25 that are connected with shift cylinder 23.When gearshift flow control valve 24, kickdown valve 26 and shift switch valve 25 3 valves are in conducting position simultaneously, shift cylinder 23 can with mechanical pump 4 and/or electronic pump 8 conducting, thus can more safely control the reliability turning gear shift operation; Meanwhile, the oil mass of gearshift control loop can be regulated by gearshift flow control valve 24, regulate the pressure in whole loop.
When above-described embodiment is implemented, mechanical pump 4 quits work, and vehicle control unit controls first control valve 7 is on state, controls electrokinetic cell simultaneously and drives electronic pump 8 to start working, and makes fuel tank and the still conducting of cooling entry end, for whole system provides required fluid; When mechanical pump 4 works, entire car controller determines that single clutch is the need of work as required, if desired single clutch 10 works, and control the first control valve 7 and be on state, fluid enters the public entrance in single clutch control loop and single clutch lubrication loop by mechanical pump 4.The present invention also can control mechanical pump 4 and work, for whole system provides fluid with electronic pump 8 simultaneously.
Although the present invention is described in conjunction with above embodiment, but the present invention is not limited to above-described embodiment, and only by the restriction of claim, those of ordinary skill in the art can easily modify to it and change, but do not leave essential idea of the present invention and scope.
Claims (8)
1. a hybrid power automobile driving system hydraulic control circuit, comprises mechanical pump, fuel tank and double clutch lubrication loop; It is characterized in that, also comprise the electronic pump driven by electrokinetic cell, described mechanical pump and described electronic pump are arranged in parallel between cooling entry end in described double clutch lubrication loop and described institute fuel tank; Also be in series with the first control valve between described cooling entry end and described electronic pump, described double clutch lubrication loop is communicated with described electronic pump by described first control valve or is disconnected.
2. hybrid power automobile driving system hydraulic control circuit according to claim 1, it is characterized in that, also comprise the first double clutch control loop and the second double clutch control loop that are arranged in parallel, the public control end of the two is connected with described cooling entry end, the other end of described first double clutch control loop connects the first double clutch, and the other end of described second double clutch control loop connects the second double clutch.
3. hybrid power automobile driving system hydraulic control circuit according to claim 1, it is characterized in that, also comprise the single clutch control loop controlling single clutch break-make, described single clutch control loop is communicated with described electronic pump, and is communicated with described mechanical pump by described first control valve or is disconnected; Described single clutch is located between motor and motor.
4. hybrid power automobile driving system hydraulic control circuit according to claim 3, it is characterized in that, described single clutch control loop comprises the second control valve that one end is connected to described single clutch, the other end is connected to described electronic pump, and described single clutch is connected or disconnected by described second control valve and described electronic pump; And be communicated with described mechanical pump with the conducting simultaneously of the first control valve by described second control valve.
5. hybrid power automobile driving system hydraulic control circuit according to claim 3, it is characterized in that, also comprise the single clutch lubrication loop of single clutch described in lubrication, described single clutch lubrication loop is in parallel with described single clutch control loop, and the public entrance of the single clutch of the two is communicated with described electronic pump, and be communicated with described mechanical pump by described first control valve.
6. hybrid power automobile driving system hydraulic control circuit according to claim 5, it is characterized in that, described single clutch lubrication loop comprises the 3rd control valve and single clutch filter that are connected in series, and the outlet of the single clutch of described single clutch cooling circuit to be communicated with the public entrance of described single clutch by described 3rd control valve or to disconnect.
7. the hybrid power automobile driving system hydraulic control circuit according to any one of claim 1-6, it is characterized in that, also comprise the gearshift control loop that one end connects shift cylinder, described gearshift control loop and described double clutch lubrication loop are arranged in parallel, and the other end is connected to described cooling entry end.
8. hybrid power automobile driving system hydraulic control circuit according to claim 7, is characterized in that, described gearshift control loop comprises the flow control valve, kickdown valve and the shift switch valve that are connected with described shift cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510434684.0A CN105003645A (en) | 2015-07-21 | 2015-07-21 | Hydraulic control circuit for transmission system of hybrid electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510434684.0A CN105003645A (en) | 2015-07-21 | 2015-07-21 | Hydraulic control circuit for transmission system of hybrid electric vehicle |
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| CN105003645A true CN105003645A (en) | 2015-10-28 |
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| CN201510434684.0A Pending CN105003645A (en) | 2015-07-21 | 2015-07-21 | Hydraulic control circuit for transmission system of hybrid electric vehicle |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465068A (en) * | 2015-12-29 | 2016-04-06 | 南京浦镇海泰制动设备有限公司 | Oil supply method of hydraulic oil supply system |
| CN105864424A (en) * | 2016-04-07 | 2016-08-17 | 宁波上中下自动变速器有限公司 | Double-clutch transmission hydraulic control system |
| CN108050245A (en) * | 2017-12-29 | 2018-05-18 | 科力远混合动力技术有限公司 | Hybrid power gearbox hydraulic control system |
| CN108167239A (en) * | 2018-02-27 | 2018-06-15 | 安徽江淮汽车集团股份有限公司 | The double pump oil supply system and its method of work of a kind of automatic gear-box |
| WO2018177384A1 (en) * | 2017-03-29 | 2018-10-04 | 长城汽车股份有限公司 | Dual-clutch automatic transmission cooling lubricating hydraulic control system and vehicle |
| WO2018177370A1 (en) * | 2017-03-29 | 2018-10-04 | 长城汽车股份有限公司 | Transmission hydraulic system and control method therefor, and vehicle |
| CN109958763A (en) * | 2017-12-26 | 2019-07-02 | 长城汽车股份有限公司 | A kind of hydraulic control system and speed changer, vehicle of double-clutch automatic gearbox |
| CN110778704A (en) * | 2019-10-25 | 2020-02-11 | 浙江吉利汽车研究院有限公司 | Hybrid power hydraulic system and vehicle |
| CN110778706A (en) * | 2019-11-15 | 2020-02-11 | 安徽江淮汽车集团股份有限公司 | Double-clutch gearbox hydraulic control system and double-clutch gearbox automobile |
| CN110864105A (en) * | 2018-08-27 | 2020-03-06 | 腓特烈斯港齿轮工厂股份公司 | Hydraulic system for a dual clutch transmission |
| CN112780762A (en) * | 2021-01-27 | 2021-05-11 | 麦格纳动力总成(江西)有限公司 | Hydraulic control system for hybrid transmission |
| CN113833624A (en) * | 2020-06-08 | 2021-12-24 | 比亚迪股份有限公司 | Supercooling protection system of vehicle and vehicle |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105465068A (en) * | 2015-12-29 | 2016-04-06 | 南京浦镇海泰制动设备有限公司 | Oil supply method of hydraulic oil supply system |
| CN105864424A (en) * | 2016-04-07 | 2016-08-17 | 宁波上中下自动变速器有限公司 | Double-clutch transmission hydraulic control system |
| AU2018243116B2 (en) * | 2017-03-29 | 2021-03-11 | Great Wall Motor Company Limited | Dual-clutch automatic transmission cooling lubricating hydraulic control system and vehicle |
| RU2723052C1 (en) * | 2017-03-29 | 2020-06-08 | Грэйт Уолл Мотор Компани Лимитед | Hydraulic control system for cooling and lubrication of automatic transmission with dual clutch |
| WO2018177384A1 (en) * | 2017-03-29 | 2018-10-04 | 长城汽车股份有限公司 | Dual-clutch automatic transmission cooling lubricating hydraulic control system and vehicle |
| WO2018177370A1 (en) * | 2017-03-29 | 2018-10-04 | 长城汽车股份有限公司 | Transmission hydraulic system and control method therefor, and vehicle |
| US11255423B2 (en) | 2017-03-29 | 2022-02-22 | Great Wall Motor Company Limited | Dual-clutch automatic transmission cooling and lubrication hydraulic control system and vehicle |
| CN109958763A (en) * | 2017-12-26 | 2019-07-02 | 长城汽车股份有限公司 | A kind of hydraulic control system and speed changer, vehicle of double-clutch automatic gearbox |
| CN109958763B (en) * | 2017-12-26 | 2020-10-27 | 长城汽车股份有限公司 | Hydraulic control system of double-clutch automatic transmission, transmission and vehicle |
| CN108050245A (en) * | 2017-12-29 | 2018-05-18 | 科力远混合动力技术有限公司 | Hybrid power gearbox hydraulic control system |
| CN108167239A (en) * | 2018-02-27 | 2018-06-15 | 安徽江淮汽车集团股份有限公司 | The double pump oil supply system and its method of work of a kind of automatic gear-box |
| CN110864105A (en) * | 2018-08-27 | 2020-03-06 | 腓特烈斯港齿轮工厂股份公司 | Hydraulic system for a dual clutch transmission |
| CN110778704B (en) * | 2019-10-25 | 2021-07-23 | 浙江吉利汽车研究院有限公司 | Hybrid power hydraulic system and vehicle |
| CN110778704A (en) * | 2019-10-25 | 2020-02-11 | 浙江吉利汽车研究院有限公司 | Hybrid power hydraulic system and vehicle |
| CN110778706A (en) * | 2019-11-15 | 2020-02-11 | 安徽江淮汽车集团股份有限公司 | Double-clutch gearbox hydraulic control system and double-clutch gearbox automobile |
| CN113833624A (en) * | 2020-06-08 | 2021-12-24 | 比亚迪股份有限公司 | Supercooling protection system of vehicle and vehicle |
| CN113833624B (en) * | 2020-06-08 | 2023-04-07 | 比亚迪股份有限公司 | Supercooling protection system of vehicle and vehicle |
| CN112780762A (en) * | 2021-01-27 | 2021-05-11 | 麦格纳动力总成(江西)有限公司 | Hydraulic control system for hybrid transmission |
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Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: Anhui Jianghuai Automotive Co., Ltd. |
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Application publication date: 20151028 |
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