CN103470751A - Hybrid electric vehicle and double clutch automatic transmission used for hybrid electric vehicle - Google Patents

Hybrid electric vehicle and double clutch automatic transmission used for hybrid electric vehicle Download PDF

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Publication number
CN103470751A
CN103470751A CN2013104568813A CN201310456881A CN103470751A CN 103470751 A CN103470751 A CN 103470751A CN 2013104568813 A CN2013104568813 A CN 2013104568813A CN 201310456881 A CN201310456881 A CN 201310456881A CN 103470751 A CN103470751 A CN 103470751A
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China
Prior art keywords
clutch
oil
control valve
oil pump
double
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Pending
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CN2013104568813A
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Chinese (zh)
Inventor
张巍
王建华
郑立朋
佐山正幸
王超
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Great Wall Motor Co Ltd
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Great Wall Motor Co Ltd
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Priority to CN2013104568813A priority Critical patent/CN103470751A/en
Publication of CN103470751A publication Critical patent/CN103470751A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a hybrid electric vehicle and a double clutch automatic transmission used for the hybrid electric vehicle. The double clutch automatic transmission used for the hybrid electric vehicle comprises a first clutch, a second clutch, an oil pan, an oil pump, a motor, a first control valve and a second control valve, wherein the inlet of the oil pump is connected with the oil pan; the outlet of the oil pump is respectively connected with a lubrication oil passage of the first clutch and the lubrication oil passage of the second clutch; the motor is connected with the oil pump so as to drive the oil pump; the first control valve is connected between the first clutch and the outlet of the oil pump so as to control the first clutch to be engaged and disengaged; the second control valve is connected between the second clutch and the outlet of the oil pump so as to control the second clutch to be engaged and disengaged. According to the double clutch automatic transmission used for the hybrid electric vehicle disclosed by the embodiment of the invention, under any working conditions of an engine, working of a clutch control oil line and a lubrication oil control oil line can be ensured.

Description

Motor vehicle driven by mixed power reaches the double-clutch automatic gearbox for motor vehicle driven by mixed power
Technical field
The present invention relates to vehicular field, in particular to a kind of double-clutch automatic gearbox for motor vehicle driven by mixed power and there is the motor vehicle driven by mixed power of this double-clutch automatic gearbox.
Background technique
The existing double-clutch automatic gearbox for motor vehicle driven by mixed power, adopt mechanical type oil pump in the lubricant oil oil circuit control of clutch and Clutch Control oil circuit, described mechanical type oil pump is by engine-driving, therefore in the working procedure of double-clutch automatic gearbox, it is larger that flow of lubrication in the lubricant oil oil circuit control of clutch and the pilot pressure in the Clutch Control oil circuit are affected by the operating mode of motor, has room for improvement.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least to a certain extent.For this reason, one object of the present invention is to propose a kind of double-clutch automatic gearbox for motor vehicle driven by mixed power, the described double-clutch automatic gearbox for motor vehicle driven by mixed power, by motor, drive oil pump to provide oil for lubricant oil oil circuit control and Clutch Control oil circuit simultaneously, thereby the oil circuit control that makes double-clutch automatic gearbox is not subject to the impact of motor, at motor under any operating mode, can be normally provide pressure for the Clutch Control oil circuit of double-clutch automatic gearbox, for the lubricant oil oil circuit control of double-clutch automatic gearbox provides lubrication flow.
Another object of the present invention is to propose a kind of motor vehicle driven by mixed power with described double-clutch automatic gearbox for motor vehicle driven by mixed power.
To achieve these goals, propose a kind of double-clutch automatic gearbox for motor vehicle driven by mixed power according to the embodiment of first aspect present invention, the described double-clutch automatic gearbox for motor vehicle driven by mixed power comprises: first clutch, second clutch, oil sump; Oil pump, described oil pump has entrance and exit, and the entrance of described oil pump is connected with described oil sump, and the outlet of described oil pump is connected with the grease channel of described first clutch and the grease channel of described second clutch respectively; Motor, described motor is connected to drive described oil pump with described oil pump; And first control valve and the second control valve, described the first control valve is connected between the outlet of described first clutch and described oil pump to control engaging and disconnection of described first clutch, and described the second control valve is connected between the outlet of described second clutch and described oil pump to control engaging and disconnection of described second clutch.
The double-clutch automatic gearbox for motor vehicle driven by mixed power according to the embodiment of the present invention, drive described oil pump by described motor, make described oil pump that the oil in described oil sump is transported to joint and the disconnection of described the first control valve to control described first clutch, and make described oil pump that the oil in described oil sump is transported to joint and the disconnection of described the second control valve to control described second clutch, described oil pump is transported to the grease channel of described first clutch and the grease channel of described second clutch by the oil in described oil sump simultaneously, thereby realized driving described oil pump to provide oil for lubricant oil oil circuit control and Clutch Control oil circuit by described motor simultaneously.Like this, the oil circuit control that is used for the double-clutch automatic gearbox of motor vehicle driven by mixed power, can not be subject to the impact of motor, at motor under any operating mode, can be normally for the Clutch Control oil circuit of double-clutch automatic gearbox provides pressure, for the lubricant oil oil circuit control of double-clutch automatic gearbox provides lubrication flow.Therefore, according to the double-clutch automatic gearbox for motor vehicle driven by mixed power of the embodiment of the present invention, drive an oil pump by a motor, be lubricant oil oil circuit control and Clutch Control oil circuit fuel feeding simultaneously, not affected by the operating mode of motor, more can adapt to the demand of motor vehicle driven by mixed power.
In addition, the double-clutch automatic gearbox for motor vehicle driven by mixed power according to the above embodiment of the present invention can also have following additional technical characteristics:
According to one embodiment of present invention, described the first control valve and described the second control valve are the linear scale pressure regulator valve, can control more accurately thus joint and the disconnection of first clutch, and the joint of second clutch and disconnection.
According to one embodiment of present invention, the described double-clutch automatic gearbox for motor vehicle driven by mixed power also comprises: one-way valve, the entrance of described one-way valve is connected with the outlet of described oil pump, and the outlet of described one-way valve is connected with the grease channel of described first clutch and the grease channel of described second clutch respectively.Like this, can stop the oil of lubricant oil oil circuit control to enter the Clutch Control oil circuit, for the lubricant oil oil circuit control provides a back pressure, and be conducive to the calculating of flow of lubrication.
According to one embodiment of present invention, the described double-clutch automatic gearbox for motor vehicle driven by mixed power also comprises: the 3rd control valve, one end of described the 3rd control valve is connected with the outlet of described oil pump, and the other end is connected with the grease channel of described first clutch and the grease channel of described second clutch respectively.Like this, can after the demand for control that guarantees the Clutch Control oil circuit, for the lubricant oil oil circuit control, provide lubricant oil.
According to one embodiment of present invention, described the 3rd control valve is relief valve.
According to one embodiment of present invention, the described double-clutch automatic gearbox for motor vehicle driven by mixed power also comprises: the 4th control valve and the 5th control valve, one end of described the 4th control valve is connected with the outlet of described oil pump, and the other end of described the 4th control valve is connected with the entrance of described oil pump, one end of described the 5th control valve is connected with the outlet of described oil pump, and the other end of described the 5th control valve is connected with the entrance of described oil pump.The 4th control valve can guarantee the safety of each component in the Clutch Control oil circuit.The 5th control valve can make the pressure stability on pressure oil road.
According to one embodiment of present invention, described the 4th control valve is safety overflow valve, and described the 5th control valve is mechanical pressure regulator valve.
According to one embodiment of present invention, the described double-clutch automatic gearbox for motor vehicle driven by mixed power, is characterized in that, also comprises: filter cleaner, one end of described filter cleaner is connected with described oil sump, and the other end of described filter cleaner is connected with the entrance of described oil pump.The quality of oil that makes thus to enter Clutch Control oil circuit and lubricant oil oil circuit control is better, avoids the damage to each component in oil circuit of impurity in oil.
According to the embodiment of second aspect present invention, a kind of motor vehicle driven by mixed power is proposed.Described motor vehicle driven by mixed power comprises according to the described double-clutch automatic gearbox for motor vehicle driven by mixed power of first aspect present invention.
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.
The accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming embodiment's description in conjunction with following accompanying drawing, wherein:
Fig. 1 is the structural representation according to the double-clutch automatic gearbox for motor vehicle driven by mixed power of the embodiment of the present invention.
Description of reference numerals:
Double-clutch automatic gearbox 10, first clutch 100, second clutch 200, grease channel 12, oil sump 300, oil pump 400, the first control valve 500, the second control valve 600, motor 700, one-way valve 800, the 3rd control valve 900, the 4th control valve 1000, the 5th control valve 1100, filter cleaner 1200, pressure oil circuit 13, oil return circuit 14
Embodiment
Below describe embodiments of the invention in detail, described embodiment's example is shown in the drawings, and wherein same or similar label means same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment who is described with reference to the drawings, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
Term " first ", " second " be only for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characteristics.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".
In the present invention, unless otherwise clearly defined and limited, broad understanding should be done in the terms such as term " installation ", " being connected ", " connection ", " fixing ", for example, can be to be fixedly connected with, and 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 understand as the case may be above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but by the other feature contact between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only mean that the First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under Second Characteristic and tiltedly, or only mean that the First Characteristic level height is less than Second Characteristic.
Below with reference to Fig. 1, the double-clutch automatic gearbox for motor vehicle driven by mixed power according to the embodiment of the present invention is described.Motor vehicle driven by mixed power generally includes multiple power source.Drive motor can also be arranged except motor as power source.That is to say, motor vehicle driven by mixed power can be electric oil hybrid vehicle.When motor is not worked, by battery system, be that the drive motor power supply drives motor vehicle driven by mixed power to move ahead with drive motor.Also can provide at motor be short of power the time, by battery system be drive motor power supply with drive motor, make drive motor and motor jointly drive motor vehicle driven by mixed power to move ahead.
As shown in Figure 1, comprise first clutch, second clutch, oil sump, oil pump, motor, the first control valve and the second control valve according to the double-clutch automatic gearbox for motor vehicle driven by mixed power of the embodiment of the present invention.
Oil pump has entrance and exit, and the entrance of oil pump is connected with oil sump, and the outlet of oil pump is connected with the grease channel of first clutch and the grease channel of second clutch respectively.That is to say, the grease channel that the oil pumped from the outlet of oil pump can enter first clutch is lubricated first clutch, and the grease channel that also can enter second clutch is lubricated second clutch.Motor is connected to drive oil pump with oil pump.The first control valve is connected between the outlet of first clutch and oil pump to control engaging and disconnection of first clutch, and the second control valve is connected to engaging and disconnection with the control second clutch between the outlet of second clutch and oil pump.
That is to say, for the double-clutch automatic gearbox of motor vehicle driven by mixed power, comprise: for first clutch and second clutch provide the lubricant oil oil circuit control of lubricant oil, and control first clutch and the joint of second clutch and the Clutch Control oil circuit of disconnection.Two clutch automation speed changers are by the joint of first clutch and second clutch and the power in disconnection transferring power source.
In the working procedure of the double-clutch automatic gearbox for motor vehicle driven by mixed power, motor drives oil pump the oil in oil sump to be flowed to the grease channel of first clutch, thereby provides lubricated for first clutch; Oil pump flows to the oil in oil sump the grease channel of second clutch, thereby provides lubricated for second clutch.
Simultaneously, motor drives oil pump also the oil in oil sump to be flowed to the first control valve and the second control valve, the first control valve is controlled joint and the disconnection of oil mass to realize first clutch of the piston cylinder that enters first clutch, and the second control valve is controlled joint and the disconnection of oil mass to realize second clutch of the piston cylinder that enters second clutch.For example, first clutch engages, and when second clutch disconnects, double-clutch automatic gearbox can be hung into the odd number gear, and first clutch disconnects, and when second clutch engages, double-clutch automatic gearbox can be hung into even number and keep off.
Therefore, the double-clutch automatic gearbox for motor vehicle driven by mixed power according to the embodiment of the present invention, drive oil pump by motor, make oil pump that the oil in oil sump is transported to the first control valve to control joint and the disconnection of first clutch, and make oil pump that the oil in oil sump is transported to the second control valve to control joint and the disconnection of second clutch, oil pump is transported to the grease channel of first clutch and the grease channel of second clutch by the oil in oil sump simultaneously, thereby realized driving oil pump to provide oil for lubricant oil oil circuit control and Clutch Control oil circuit by motor simultaneously.Like this, the oil circuit control that is used for the double-clutch automatic gearbox of motor vehicle driven by mixed power, can not be subject to the impact of motor, at motor under any operating mode, can be normally for the Clutch Control oil circuit of double-clutch automatic gearbox provides pressure, for the lubricant oil oil circuit control of double-clutch automatic gearbox provides lubrication flow.Therefore, according to the double-clutch automatic gearbox for motor vehicle driven by mixed power of the embodiment of the present invention, drive an oil pump by a motor, be lubricant oil oil circuit control and Clutch Control oil circuit fuel feeding simultaneously, not affected by the operating mode of motor, more can adapt to the demand of motor vehicle driven by mixed power.
For example, when motor does not start, still can control joint and the disconnection of first clutch and second clutch for the double-clutch automatic gearbox of motor vehicle driven by mixed power, guarantee other power source except motor the output of power.
Alternatively, the first control valve and the second control valve can be the linear scale pressure regulator valve, can control more accurately thus joint and the disconnection of first clutch, and the joint of second clutch and disconnection.
In one embodiment of the invention, as shown in Figure 1, for the double-clutch automatic gearbox of motor vehicle driven by mixed power, can also comprise one-way valve.The entrance of one-way valve can be connected with the outlet of oil pump, and the outlet of one-way valve can be connected with the grease channel of first clutch and the grease channel of second clutch respectively.Thus, one-way valve can stop the oil of lubricant oil oil circuit control to enter the Clutch Control oil circuit, for the lubricant oil oil circuit control provides a back pressure, and is conducive to the calculating of flow of lubrication.
As shown in Figure 1, in one embodiment of the invention, for the double-clutch automatic gearbox of motor vehicle driven by mixed power, can also comprise the 3rd control valve.One end of the 3rd control valve can be connected with the outlet of oil pump, and the other end of the 3rd control valve can be respectively be connected with the grease channel of the grease channel of first clutch and second clutch to take after the demand for control that guarantees the Clutch Control oil circuit as the lubricant oil oil circuit control lubricant oil is provided.
That is to say, when reaching predetermined condition, (for example opens the oil circuit of the double-clutch automatic gearbox for motor vehicle driven by mixed power, when reaching scheduled pressure value, force value opens), preferentially meet the demand for control of Clutch Control oil circuit, then reach after predetermined condition again to lubricant oil oil circuit control fuel feeding.
In a concrete example of the present invention, the 3rd control valve can be relief valve.
The Clutch Control oil circuit can comprise: pressure oil circuit and oil return circuit.Pressure oil circuit, oil return circuit and lubricant oil oil circuit control all are communicated with.
In one embodiment of the invention, the double-clutch automatic gearbox for motor vehicle driven by mixed power can also comprise the 4th control valve and the 5th control valve.One end of the 4th control valve can be connected with the outlet of oil pump, and the other end of the 4th control valve can be connected with the entrance of oil pump to limit the maximum pressure of Clutch Control oil circuit, the safety of each component in assurance Clutch Control oil circuit.In other words, the two ends of the 4th control valve can be connected between pressure oil circuit and oil return circuit.In a concrete example of the present invention, as shown in Figure 1, the 4th control valve can be safety overflow valve.
One end of the 5th control valve can be connected with the outlet of oil pump, and the other end of the 5th control valve can be connected so that the pressure stability of pressure oil circuit with the entrance of oil pump.In other words, the two ends of the 5th control valve also can be connected between pressure oil circuit and oil return circuit.In a concrete example of the present invention, as shown in Figure 1, the 5th control valve can be mechanical pressure regulator valve.
Advantageously, in one embodiment of the invention, for the double-clutch automatic gearbox of motor vehicle driven by mixed power, can also comprise filter cleaner.One end of filter cleaner can be connected with oil sump, and the other end of filter cleaner can be connected with the entrance of oil pump.
That is to say, motor drives oil pump from oil sump pump oil, the oil that enters the entrance of oil pump from oil sump all passes through the filtration of filter cleaner, thereby it is better to make to enter the quality of oil of Clutch Control oil circuit and lubricant oil oil circuit control, avoids the damage to each component in oil circuit of impurity in oil.
The present invention also provides a kind of motor vehicle driven by mixed power, described motor vehicle driven by mixed power comprises the above-mentioned double-clutch automatic gearbox for motor vehicle driven by mixed power, thereby can drive an oil pump by a motor, be lubricant oil oil circuit control and Clutch Control oil circuit fuel feeding simultaneously, not affected by the operating mode of motor, better meet the demand of motor vehicle driven by mixed power.
Be all known according to other configuration examples for motor vehicle driven by mixed power of the embodiment of the present invention for those of ordinary skills as the concrete structure of first clutch and second clutch etc., be not described in detail here.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " 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 embodiments or example.
Although the above has illustrated and has described embodiments of the invention, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art is not in the situation that break away from principle of the present invention and aim can be changed above-described embodiment within the scope of the invention, modification, replacement and modification.

Claims (9)

1. the double-clutch automatic gearbox for motor vehicle driven by mixed power, is characterized in that, comprising:
First clutch, second clutch, oil sump;
Oil pump, described oil pump has entrance and exit, and the entrance of described oil pump is connected with described oil sump, and the outlet of described oil pump is connected with the grease channel of described first clutch and the grease channel of described second clutch respectively;
Motor, described motor is connected to drive described oil pump with described oil pump; And
The first control valve and the second control valve, described the first control valve is connected between the outlet of described first clutch and described oil pump to control engaging and disconnection of described first clutch, and described the second control valve is connected between the outlet of described second clutch and described oil pump to control engaging and disconnection of described second clutch.
2. the double-clutch automatic gearbox for motor vehicle driven by mixed power according to claim 1, is characterized in that, described the first control valve and described the second control valve are the linear scale pressure regulator valve.
3. the double-clutch automatic gearbox for motor vehicle driven by mixed power according to claim 1, it is characterized in that, also comprise: one-way valve, the entrance of described one-way valve is connected with the outlet of described oil pump, and the outlet of described one-way valve is connected with the grease channel of described first clutch and the grease channel of described second clutch respectively.
4. the double-clutch automatic gearbox for motor vehicle driven by mixed power according to claim 1, it is characterized in that, also comprise: the 3rd control valve, one end of described the 3rd control valve is connected with the outlet of described oil pump, and the other end is connected with the grease channel of described first clutch and the grease channel of described second clutch respectively.
5. the double-clutch automatic gearbox for motor vehicle driven by mixed power according to claim 4, is characterized in that, described the 3rd control valve is relief valve.
6. the double-clutch automatic gearbox for motor vehicle driven by mixed power according to claim 1, it is characterized in that, also comprise: the 4th control valve and the 5th control valve, one end of described the 4th control valve is connected with the outlet of described oil pump, and the other end of described the 4th control valve is connected with the entrance of described oil pump, one end of described the 5th control valve is connected with the outlet of described oil pump, and the other end of described the 5th control valve is connected with the entrance of described oil pump.
7. the double-clutch automatic gearbox for motor vehicle driven by mixed power according to claim 6, is characterized in that, described the 4th control valve is safety overflow valve, and described the 5th control valve is mechanical pressure regulator valve.
8. according to the described double-clutch automatic gearbox for motor vehicle driven by mixed power of any one in claim 1-7, it is characterized in that, also comprise: filter cleaner, an end of described filter cleaner is connected with described oil sump, and the other end of described filter cleaner is connected with the entrance of described oil pump.
9. a motor vehicle driven by mixed power, is characterized in that, comprising:
According to the described double-clutch automatic gearbox for motor vehicle driven by mixed power of any one in claim 1-8.
CN2013104568813A 2013-09-29 2013-09-29 Hybrid electric vehicle and double clutch automatic transmission used for hybrid electric vehicle Pending CN103470751A (en)

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Cited By (6)

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CN104455390A (en) * 2014-12-18 2015-03-25 安徽江淮汽车股份有限公司 Hybrid electric vehicle and gearbox hydraulic control system thereof
CN106468354A (en) * 2015-08-20 2017-03-01 卡特彼勒(青州)有限公司 Hydraulic control system for change speed gear box and machine
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
CN109114217A (en) * 2017-06-22 2019-01-01 内蒙古欧意德发动机有限公司 Shift hydraulic control system, speed changer and automobile
CN110748637A (en) * 2019-10-29 2020-02-04 科力远混合动力技术有限公司 Pressure control method of hydraulic system of hybrid power transmission
CN112303209A (en) * 2020-10-30 2021-02-02 重庆长安汽车股份有限公司 DCT transmission electronic oil pump arrangement structure and vehicle

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Publication number Priority date Publication date Assignee Title
CN104455390A (en) * 2014-12-18 2015-03-25 安徽江淮汽车股份有限公司 Hybrid electric vehicle and gearbox hydraulic control system thereof
CN106468354A (en) * 2015-08-20 2017-03-01 卡特彼勒(青州)有限公司 Hydraulic control system for change speed gear box and machine
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
CN109114217A (en) * 2017-06-22 2019-01-01 内蒙古欧意德发动机有限公司 Shift hydraulic control system, speed changer and automobile
CN110748637A (en) * 2019-10-29 2020-02-04 科力远混合动力技术有限公司 Pressure control method of hydraulic system of hybrid power transmission
CN112303209A (en) * 2020-10-30 2021-02-02 重庆长安汽车股份有限公司 DCT transmission electronic oil pump arrangement structure and vehicle
CN112303209B (en) * 2020-10-30 2022-08-09 重庆长安汽车股份有限公司 DCT transmission electronic oil pump arrangement structure and vehicle

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Application publication date: 20131225