CN107763207B - The mixed dynamic automatic transmission hydraulic control oil circuit of 6 speed P2 of one kind - Google Patents
The mixed dynamic automatic transmission hydraulic control oil circuit of 6 speed P2 of one kind Download PDFInfo
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- CN107763207B CN107763207B CN201711022432.2A CN201711022432A CN107763207B CN 107763207 B CN107763207 B CN 107763207B CN 201711022432 A CN201711022432 A CN 201711022432A CN 107763207 B CN107763207 B CN 107763207B
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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
-
- 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
- F16H61/04—Smoothing ratio shift
Abstract
The present invention relates to the mixed dynamic automatic transmission hydraulic control oil circuits of 6 speed P2 of one kind, it include: auxiliary oil way and control oil circuit, auxiliary oil way is connected by working connection with control oil circuit, auxiliary oil way guarantees that the operating pressure of oil circuit is maintained at certain range, the stability of oil pressure may be implemented, electronic pump is connected with main pressure regulator valve and TC regulating valve respectively by draining oil circuit, and working connection realizes the working oil path transformation of P, R, N, D different stalls by hand-operated valve.Rationally, reasonable oil circuit arrangement keeps speed changer structure compact, and shift time is short for the configuration of the present invention is simple, design, effectively reduce impact when gear shift, and the stability that can be good at guaranteeing operating oil pressure, improves the reliability of automatic transmission, reduces rate of breakdown.
Description
Technical field
The present invention relates to the mixed dynamic automatic transmission hydraulic control oil circuits of a kind of hydraulic control oil circuit, especially 6 speed P2 of one kind.
Background technique
Global auto recoverable amount sharply increases, so that people face choosing for thus bring oil shortage and environmental disruption
War, therefore the developing the newer automated transmissions of energy conservation, low emission of the task is extremely urgent.
Summary of the invention
In view of this, the purpose of the present invention is to provide the mixed dynamic automatic transmission hydraulic control oil circuits of 6 speed P2 of one kind.
The mixed dynamic automatic transmission hydraulic control oil circuit of 6 speed P2 of one kind, comprising: auxiliary oil way and control oil circuit, the auxiliary
Oil circuit include: electronic pump, main pressure regulator valve, TC regulating valve, DA-DR control valve, COOLER by-passing valve, DCC control valve, pressure limiting valve,
SL solenoid valve, draining oil circuit and working connection, the electronic pump by working connection respectively with main pressure regulator valve, DA-DR control valve and limit
Pressure valve is connected, and the main pressure regulator valve is connected by pipeline with TC regulating valve, and TC regulating valve is connected by pipeline with DCC control valve,
The DA-DR control valve is connected by pipeline with DCC control valve, and pressure limiting valve is connected by pipeline with SL solenoid valve, SL solenoid valve
It is connected by pipeline with COOLER by-passing valve, COOLER by-passing valve is connected with DCC control valve, and DCC control valve passes through pipeline and K0
Clutch is connected；
The electronic pump is connected with main pressure regulator valve and TC regulating valve respectively by draining oil circuit；
The auxiliary oil way is connected by working connection with control oil circuit；
The control oil circuit includes: logical valve, switch valve, hand-operated valve, limping valve, SLB1 solenoid valve, SLK0 solenoid valve, S1
Solenoid valve, SLC2 solenoid valve, S2 solenoid valve, SLC3 solenoid valve and SLC1 solenoid valve,
When engine works independently or engine works together with motor,
Realize P/N grades, oil circuit trend is working connection, SLC3 solenoid valve, limping valve, logical valve, switch valve and B2 brake；
Realize R grades, oil circuit trend is working connection, SLC3 solenoid valve, limping valve, logical valve and C3 brake, working connection, hand
Dynamic valve, logical valve, switch valve and B2 brake, working connection, SLK0 solenoid valve and K0 brake；
Realize 1 grade, oil circuit trend be working connection, hand-operated valve, SLC1 solenoid valve, limping valve and C1 brake, working connection,
SLC3 solenoid valve, limping valve, logical valve, switch valve and B2 brake, working connection, SLK0 solenoid valve and K0 brake；
Realize 2 grades, oil circuit trend is working connection, hand-operated valve, SLC1 solenoid valve, limping valve and C1 brake, working connection, hand
Dynamic valve, SLB1 solenoid valve and B1 brake, working connection, SLK0 solenoid valve and K0 brake；
Realize 3 grades, oil circuit trend is working connection, SLC3 solenoid valve, limping valve, logical valve and C3 brake, working connection, hand
Dynamic valve, SLC1 solenoid valve, limping valve and C1 brake, working connection, SLK0 solenoid valve and K0 brake；
Realize 4 grades, oil circuit trend is working connection, hand-operated valve, SLC1 solenoid valve, limping valve and C1 brake, working connection, hand
Dynamic valve, SLC2 solenoid valve and C2 brake, working connection, SLK0 solenoid valve and K0 brake；
Realize 5 grades, oil circuit trend is working connection, SLC3 solenoid valve, limping valve, logical valve and C3 brake, working connection, hand
Dynamic valve, SLC2 solenoid valve and C2 brake, working connection, SLK0 solenoid valve and K0 brake；
Realize 6 grades, oil circuit trend be working connection, hand-operated valve, SLC2 solenoid valve and C2 brake, working connection, hand-operated valve,
SLB1 solenoid valve and B1 brake, working connection, SLK0 solenoid valve and K0 brake；
When motor works independently, P/N grade, R grades, 1 grade, 2 grades, 3 grades, 4 grades, 5 grades and 6 grades are realized, and when engine list
When solely work or engine work together with motor, oil circuit moves towards difference and is, removes P/N grades, R grades, 1 grade, 2 grades, 3 grades, 4
To the oil circuit of K0 brake fuel feeding in shelves, 5 grades and 6 grades.
Further, the SL solenoid valve is NH proportion magnetic valve.
The invention has the following beneficial effects:
Simple structure and reasonable design, reasonable oil circuit arrangement keep speed changer structure compact, and shift time is short, effective to drop
Impact when low gear shift, and can be good at guaranteeing the stability of operating oil pressure, the reliability of automatic transmission is improved, is reduced
Rate of breakdown.
Detailed description of the invention
By referring to the drawings to the description of the embodiment of the present invention, above-mentioned and other purposes of the invention, feature and
Advantage will be apparent from, in the accompanying drawings:
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
The various embodiments that the present invention will be described in more detail that hereinafter reference will be made to the drawings.
The mixed dynamic automatic transmission hydraulic control oil circuit of 6 speed P2 of one kind, comprising: auxiliary oil way and control oil circuit, the auxiliary
Oil circuit includes: electronic pump 1, main pressure regulator valve 2, TC regulating valve 3, DA-DR control valve 4, COOLER by-passing valve 5, DCC control valve 6, limit
Pressure valve 9, SL solenoid valve 13, draining oil circuit 22 and working connection 23, the electronic pump 1 by working connection 23 respectively with main pressure regulator valve 2,
DA-DR control valve 4 is connected with pressure limiting valve 9, and the main pressure regulator valve 2 is connected by pipeline with TC regulating valve 3, and TC regulating valve 3 passes through
Pipeline is connected with DCC control valve 6, and the DA-DR control valve 4 is connected by pipeline with DCC control valve 6, and pressure limiting valve 9 passes through pipeline
It is connected with SL solenoid valve 13, SL solenoid valve 13 is connected by pipeline with COOLER by-passing valve 5, and COOLER by-passing valve 5 and DCC are controlled
Valve 6 is connected, and DCC control valve 6 is connected by pipeline with K0 clutch；
The electronic pump 1 is connected with main pressure regulator valve 2 and TC regulating valve 3 respectively by draining oil circuit 22；
The auxiliary oil way is connected by working connection 23 with control oil circuit；
The control oil circuit includes: logical valve 7, switch valve 8, hand-operated valve 10, limping valve 11, SLB1 solenoid valve 14, SLK0
Solenoid valve 15, S1 solenoid valve 16, SLC2 solenoid valve 17, S2 solenoid valve 18, SLC3 solenoid valve 19 and SLC1 solenoid valve 20,
When engine works independently or engine works together with motor,
Realize P/N grades, oil circuit trend is working connection 23, SLC3 solenoid valve 19, limping valve 11, logical valve 7,8 and of switch valve
B2 brake；
Realize R grades, oil circuit trend is working connection 23, SLC3 solenoid valve 19, limping valve 11, logical valve 7 and C3 brake, master
Oil circuit 23, hand-operated valve 10, logical valve 7, switch valve 8 and B2 brake, working connection 23, SLK0 solenoid valve 15 and K0 brake；
Realize 1 grade, oil circuit trend be working connection 23, hand-operated valve 10, SLC1 solenoid valve 20, limping valve 11 and C1 brake,
Working connection 23, SLC3 solenoid valve 19, limping valve 11, logical valve 7, switch valve 8 and B2 brake, working connection 23, SLK0 solenoid valve
15 and K0 brake；
Realize 2 grades, oil circuit trend be working connection 23, hand-operated valve 10, SLC1 solenoid valve 20, limping valve 11 and C1 brake,
Working connection 23, hand-operated valve 10, SLB1 solenoid valve 14 and B1 brake, working connection 23, SLK0 solenoid valve 15 and K0 brake；
Realize 3 grades, oil circuit trend is working connection 23, SLC3 solenoid valve 19, limping valve 11, logical valve 7 and C3 brake, master
Oil circuit 23, hand-operated valve 10, SLC1 solenoid valve 20, limping valve 11 and C1 brake, working connection 23, SLK0 solenoid valve 15 and K0 braking
Device；
Realize 4 grades, oil circuit trend be working connection 23, hand-operated valve 10, SLC1 solenoid valve 20, limping valve 11 and C1 brake,
Working connection 23, hand-operated valve 10, SLC2 solenoid valve 17 and C2 brake, working connection 23, SLK0 solenoid valve 15 and K0 brake；
Realize 5 grades, oil circuit trend is working connection 23, SLC3 solenoid valve 19, limping valve 11, logical valve 7 and C3 brake, master
Oil circuit 23, hand-operated valve 10, SLC2 solenoid valve 17 and C2 brake, working connection 23, SLK0 solenoid valve 15 and K0 brake；
Realize 6 grades, oil circuit trend be working connection 23, hand-operated valve 10, SLC2 solenoid valve 17 and C2 brake, working connection 23,
Hand-operated valve 10, SLB1 solenoid valve 14 and B1 brake, working connection 23, SLK0 solenoid valve 15 and K0 brake；
When motor works independently, P/N grade, R grades, 1 grade, 2 grades, 3 grades, 4 grades, 5 grades and 6 grades are realized, and when engine list
When solely work or engine work together with motor, oil circuit moves towards difference and is, removes P/N grades, R grades, 1 grade, 2 grades, 3 grades, 4
To the oil circuit of K0 brake fuel feeding in shelves, 5 grades and 6 grades.
The SL solenoid valve 13 is NH proportion magnetic valve.
In the oil absorbing end tooth connection wheel pump and electronic pump 1 of oil circuit, when engine and motor normal work, based on gear pump
Oil circuit provides hydraulic oil, and when engine and motor stop working, electronic pump 1, which is powered, starts to work, and provides for working connection hydraulic
Oil installs main pressure regulator valve 2 on working connection, it is ensured that the operating pressure of entire oil circuit is maintained at certain range, and working connection 23 is logical
Hand-operated valve 10 is crossed, realizes the working oil path transformation of P, R, N, D different stalls, SL solenoid valve 13 is NH proportion magnetic valve, main to control
The position of main pressure regulator valve 2 processed carries out draining by draining oil circuit 22, the stability of oil pressure may be implemented, adjust when oil pressure is excessively high
Gearbox is reached by TC regulating valve 3 and COOLER by-passing valve 5 after pressure and carries out cooling and lubricating, working connection 23 is controlled by DA-DR
Valve 4 and DCC control valve 6 reach K0 clutch and are lubricated, and K0 clutch plays critically important work in entire automatic transmission
With, when the engine operates, K0 clutch punching oil engagement, engine directly drives, it is connected with accumulator in K0 clutch front end,
Play the role of compensating oil leak, eliminate pressure fluctuation, absorb hydraulic shock, keep constant pressure, when motor work, K0 clutch is in
Discrete state, motor direct-drive.K0 clutch oil circuit can be good at realizing the work of liquid electricity combination drive gearbox, to reach
To the purpose of energy-saving and emission-reduction.
When engine works independently/motor is when working together:
P/N grades: hand-operated valve is placed in P/N grades, and S1 solenoid valve 16 and SLC3 solenoid valve 19 are powered, and rushes to B2 brake
Oil realizes P/N grades.
Oil circuit trend: 8 → B2 of working connection 23 → SLC3 solenoid valve 19 → limping valve 11 → logical valve, 7 → switch valve
R grades: hand-operated valve is placed in R grades, and SLK0 solenoid valve 15 and SLC3 solenoid valve 19 are powered, to brake B2, K0 clutch
Punching oil is carried out with clutch C3, realizes R grades.
1 grade: hand-operated valve is placed in D grades, SLK0 solenoid valve 15, SLC1 solenoid valve 20, SLC3 solenoid valve 19 and S1 solenoid valve 16
It is powered, punching oil is carried out to brake B2, K0 clutch and clutch C1, realizes 1 grade.
2 grades: hand-operated valve is placed in D grades, SLK0 solenoid valve 15, SLC1 solenoid valve 20, SLB1 solenoid valve 14 and S2 solenoid valve 18
It is powered, punching oil is carried out to clutch C1, K0 clutch and brake B1, realizes 2 grades.
3 grades: hand-operated valve is placed in D grades, SLK0 solenoid valve 15, SLC1 solenoid valve 20, SLC3 solenoid valve 19 and S2 solenoid valve 18
It is powered, punching oil is carried out to clutch C1, K0 clutch and clutch C3, realizes 3 grades.
4 grades: hand-operated valve is placed in D grades, and SLK0 solenoid valve 15, SLC1 solenoid valve 2 and SLC2 solenoid valve 17 are powered, to clutch
C1, K0 clutch and clutch C2 carry out punching oil, realize 4 grades.
5 grades: hand-operated valve is placed in D grades, and SLK0 solenoid valve 15, SLC2 solenoid valve 17 and SLC3 solenoid valve 19 are powered, to clutch
Device C2, K0 clutch and clutch C3 carry out fuel feeding, realize 5 grades.
6 grades: hand-operated valve is placed in D grades, and SLK0 solenoid valve 15, SLC2 solenoid valve 17 and SLB1 solenoid valve 14 are powered, to clutch
Device C2, K0 clutch and brake B1 carry out punching oil, realize 6 grades.
When motor works independently:
P/N grades: hand-operated valve is placed in P/N grades, and S1 solenoid valve 16 and SLC3 solenoid valve 19 are powered, and rushes to B2 brake
Oil realizes P/N grades.
Oil circuit trend: 8 → B2 of working connection 23 → SLC3 solenoid valve 19 → limping valve 11 → logical valve, 7 → switch valve；
R grades: hand-operated valve is placed in R grades, and SLC3 solenoid valve 19 is powered, and carries out punching oil to brake B2 and clutch C3, realizes R
Shelves.
1 grade: hand-operated valve is placed in D grades, and SLC1 solenoid valve 20, SLC3 solenoid valve 19 and S1 solenoid valve 16 are powered, to brake
B2 and clutch C1 carries out punching oil, realizes 1 grade.
2 grades: hand-operated valve is placed in D grades, and SLC1 solenoid valve 20, SLB1 solenoid valve 14 and S2 solenoid valve 18 are powered, to clutch
C2 and brake B1 carries out punching oil, realizes 2 grades.
3 grades: hand-operated valve is placed in D grades, and SLC1 solenoid valve 20, SLC3 solenoid valve 19 and S2 solenoid valve 18 are powered, to clutch
C1 and clutch C3 carries out punching oil, realizes 3 grades.
4 grades: hand-operated valve is placed in D grades of SLC1 solenoid valves 2 and SLC2 solenoid valve 17 and is powered, to clutch C1 and clutch C2 into
Row punching oil, realizes 4 grades.
5 grades: hand-operated valve is placed in D grades, and SLC2 solenoid valve 17 and SLC3 solenoid valve 19 are powered, to clutch C2 and clutch C3
Fuel feeding is carried out, realizes 5 grades.
6 grades: hand-operated valve is placed in D grades, and SLC2 solenoid valve 17 and SLB1 solenoid valve 14 are powered, to clutch C2 and brake B1
Punching oil is carried out, realizes 6 grades.
Claims (2)
1. the mixed dynamic automatic transmission hydraulic control oil circuit of 6 speed P2 of one kind, comprising: auxiliary oil way and control oil circuit, which is characterized in that
The auxiliary oil way includes: electronic pump (1), main pressure regulator valve (2), TC regulating valve (3), DA-DR control valve (4), COOLER
By-passing valve (5), DCC control valve (6), pressure limiting valve (9), SL solenoid valve (13), draining oil circuit (22) and working connection (23), the electricity
Son pump (1) is connected with main pressure regulator valve (2), DA-DR control valve (4) and pressure limiting valve (9) respectively by working connection (23), the homophony
Pressure valve (2) is connected by pipeline with TC regulating valve (3), and TC regulating valve (3) is connected by pipeline with DCC control valve (6), described
DA-DR control valve (4) is connected by pipeline with DCC control valve (6), and pressure limiting valve (9) is connected by pipeline with SL solenoid valve (13),
SL solenoid valve (13) is connected by pipeline with COOLER by-passing valve (5), and COOLER by-passing valve (5) is connected with DCC control valve (6),
DCC control valve (6) is connected by pipeline with K0 clutch；
The electronic pump (1) is connected with main pressure regulator valve (2) and TC regulating valve (3) respectively by draining oil circuit (22)；
The auxiliary oil way is connected by working connection (23) with control oil circuit；
The control oil circuit includes: logical valve (7), switch valve (8), hand-operated valve (10), limping valve (11), SLB1 solenoid valve
(14), SLK0 solenoid valve (15), S1 solenoid valve (16), SLC2 solenoid valve (17), S2 solenoid valve (18), SLC3 solenoid valve (19) and
SLC1 solenoid valve (20),
When engine works independently or engine works together with motor,
Realize P/N grades, oil circuit trend is working connection (23), SLC3 solenoid valve (19), limping valve (11), logical valve (7), switch valve
(8) and B2 brake；
Realize R grades, oil circuit trend is working connection (23), SLC3 solenoid valve (19), limping valve (11), logical valve (7) and C3 are braked
Device, working connection (23), hand-operated valve (10), logical valve (7), switch valve (8) and B2 brake, working connection (23), SLK0 solenoid valve
(15) and K0 brake；
Realize 1 grade, oil circuit trend is working connection (23), hand-operated valve (10), SLC1 solenoid valve (20), limping valve (11) and C1 are braked
Device, working connection (23), SLC3 solenoid valve (19), limping valve (11), logical valve (7), switch valve (8) and B2 brake, working connection
(23), SLK0 solenoid valve (15) and K0 brake；
Realize 2 grades, oil circuit trend is working connection (23), hand-operated valve (10), SLC1 solenoid valve (20), limping valve (11) and C1 are braked
Device, working connection (23), hand-operated valve (10), SLB1 solenoid valve (14) and B1 brake, working connection (23), SLK0 solenoid valve (15)
With K0 brake；
Realize 3 grades, oil circuit trend is working connection (23), SLC3 solenoid valve (19), limping valve (11), logical valve (7) and C3 are braked
Device, working connection (23), hand-operated valve (10), SLC1 solenoid valve (20), limping valve (11) and C1 brake, working connection (23), SLK0
Solenoid valve (15) and K0 brake；
Realize 4 grades, oil circuit trend is working connection (23), hand-operated valve (10), SLC1 solenoid valve (20), limping valve (11) and C1 are braked
Device, working connection (23), hand-operated valve (10), SLC2 solenoid valve (17) and C2 brake, working connection (23), SLK0 solenoid valve (15)
With K0 brake；
Realize 5 grades, oil circuit trend is working connection (23), SLC3 solenoid valve (19), limping valve (11), logical valve (7) and C3 are braked
Device, working connection (23), hand-operated valve (10), SLC2 solenoid valve (17) and C2 brake, working connection (23), SLK0 solenoid valve (15)
With K0 brake；
Realize 6 grades, oil circuit trend is working connection (23), hand-operated valve (10), SLC2 solenoid valve (17) and C2 brake, working connection
(23), hand-operated valve (10), SLB1 solenoid valve (14) and B1 brake, working connection (23), SLK0 solenoid valve (15) and K0 braking
Device；
When motor works independently, P/N grade, R grades, 1 grade, 2 grades, 3 grades, 4 grades, 5 grades and 6 grades are realized, and when the independent work of engine
When work or engine work together with motor, oil circuit moves towards difference and is, removes P/N grades, R grades, 1 grade, 2 grades, 3 grades, 4 grades, 5 grades
With 6 grades in the oil circuit of K0 brake fuel feeding.
2. a kind of mixed dynamic automatic transmission hydraulic control oil circuit of 6 speed P2 according to claim 1, which is characterized in that described
SL solenoid valve (13) is NH proportion magnetic valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711022432.2A CN107763207B (en) | 2017-10-25 | 2017-10-25 | The mixed dynamic automatic transmission hydraulic control oil circuit of 6 speed P2 of one kind |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711022432.2A CN107763207B (en) | 2017-10-25 | 2017-10-25 | The mixed dynamic automatic transmission hydraulic control oil circuit of 6 speed P2 of one kind |
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| CN107763207B true CN107763207B (en) | 2019-08-23 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505973B (en) * | 2018-11-29 | 2023-10-10 | 陕西法士特齿轮有限责任公司 | Hydraulic control system of automatic transmission |
| CN110578794A (en) * | 2019-09-04 | 2019-12-17 | 哈尔滨东安汽车发动机制造有限公司 | Hydraulic control oil way of special DHT hybrid transmission |
| CN111425590B (en) * | 2020-03-24 | 2021-03-02 | 哈尔滨东安汽车发动机制造有限公司 | Automatic transmission hydraulic control oil way with electronic gear shifting function |
| CN112943752A (en) * | 2021-02-06 | 2021-06-11 | 哈尔滨东安汽车发动机制造有限公司 | Special gearbox hydraulic circuit for hybrid power |
| CN113108049B (en) * | 2021-03-26 | 2022-07-15 | 西安法士特汽车传动有限公司 | Electro-hydraulic limping control oil way and method for hybrid transmission |
| CN113049241B (en) * | 2021-04-13 | 2022-10-11 | 哈尔滨东安汽车发动机制造有限公司 | 8-speed automatic transmission switch valve responsiveness test device and test method |
| CN116717582B (en) * | 2023-08-01 | 2023-10-13 | 无锡明恒混合动力技术有限公司 | Hydraulic system and method for gear shifting element direct control type hybrid transmission |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201818778U (en) * | 2010-03-22 | 2011-05-04 | 盛瑞传动股份有限公司 | Hydraulic control system used in failure of electric control system of automatic speed changer |
| CN105134939A (en) * | 2014-06-04 | 2015-12-09 | 上海通用汽车有限公司 | Electronic hydraulic control system and clutch gearbox system with same |
| JP6075340B2 (en) * | 2014-07-29 | 2017-02-08 | 株式会社デンソー | Hydraulic control device |
| JP6119706B2 (en) * | 2014-09-24 | 2017-04-26 | マツダ株式会社 | Hydraulic control device for automatic transmission |
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