CN107420538A - A kind of fluid torque-converter controls oil circuit - Google Patents
A kind of fluid torque-converter controls oil circuit Download PDFInfo
- Publication number
- CN107420538A CN107420538A CN201710348892.8A CN201710348892A CN107420538A CN 107420538 A CN107420538 A CN 107420538A CN 201710348892 A CN201710348892 A CN 201710348892A CN 107420538 A CN107420538 A CN 107420538A
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- Prior art keywords
- oil
- valve
- fluid torque
- converter
- oil circuit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F16H61/48—Control of exclusively fluid gearing hydrodynamic
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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
- F16H61/0003—Arrangement or mounting of elements of the control apparatus, e.g. valve assemblies or snapfittings of valves; Arrangements of the control unit on or in the transmission gearbox
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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
- F16H61/02—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 characterised by the signals used
- F16H61/0262—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 characterised by the signals used the signals being hydraulic
- F16H61/0276—Elements specially adapted for hydraulic control units, e.g. valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Safety Valves (AREA)
Abstract
The present invention relates to a kind of fluid torque-converter to control oil circuit, including fluid torque-converter control valve, fluid torque-converter separation oil circuit and fluid torque-converter combination oil circuit are provided between the side of the fluid torque-converter control valve and the fluid torque-converter, the opposite side of the fluid torque-converter control valve is connected with fluid torque-converter control oil circuit, and the hydraulic pressure control device of control fluid torque-converter control valve input oil pressure is connected with the fluid torque-converter control oil circuit；Input oil pressure of the hydraulic pressure control device to fluid torque-converter control valve is controlled, and input oil pressure, which is stablized, in some fixed value, makes the control oil circuit of fluid torque-converter not influenceed by flow and the oil pressure change of working connection.
Description
Technical field
The present invention relates to a kind of fluid torque-converter to control oil circuit.
Background technology
In existing fluid torque-converter control oil circuit, when mechanical revolution speed changes, output flow change causes flow control
Valve action processed, the input oil pressure and flow of the control valve of fluid torque-converter can all change, so as to cause fluid torque-converter
Control valve input oil pressure it is unstable, cause the control accuracy of fluid torque-converter not high.
The content of the invention
The present invention proposes a kind of fluid torque-converter control oil circuit of control accuracy that can effectively improve fluid torque-converter.
To achieve the above object, the present invention provides following technical scheme, and a kind of fluid torque-converter controls oil circuit, including fluid power
Torque converter control valve, fluid torque-converter is provided between the side of the fluid torque-converter control valve and the fluid torque-converter and is separated
Oil circuit and fluid torque-converter combination oil circuit, the opposite side of the fluid torque-converter control valve are connected with fluid torque-converter control oil
Road, the fluid torque-converter control the hydraulic pressure control device that control fluid torque-converter control valve input oil pressure is connected with oil circuit.
As preferable technical scheme, the opposite side of the fluid torque-converter control valve is also associated with lubricant passage way, described
Regulation oil circuit is provided between lubricant passage way and fluid torque-converter control oil circuit, the hydraulic pressure control device is described including being located at
The front end pressure maintaining valve on oil circuit is adjusted, the oil inlet end oil pressure of front end pressure maintaining valve described in the front end voltage stabilizing valve regulation is stable in fixation
Value, the oil inlet end of the front end pressure maintaining valve are close in the fluid torque-converter control oil circuit.
As preferable technical scheme, the hydraulic pressure control device includes rear end pressure maintaining valve, and the rear end pressure maintaining valve is located at
On the fluid torque-converter control oil circuit, the oil outlet end oil pressure of rear end pressure maintaining valve described in the rear end voltage stabilizing valve regulation is stable solid
Definite value, the oil outlet end of the rear end pressure maintaining valve are close in the fluid torque-converter control valve.
As preferable technical scheme, the fluid torque-converter control oil circuit is connected on the working connection provided with oil pump, institute
State and flow control valve is provided between working connection and the lubricant passage way, the flow control valve is in lubricant passage way flow and working connection
Automatically working connection flow control is carried out under flow collective effect.
As preferable technical scheme, it is additionally provided with the fluid torque-converter control oil circuit positioned at the hydraulic pressure control device
Oil pressure adjusting valve between the working connection, the oil pressure adjusting valve adjust the oil inlet end oil pressure of the oil pressure adjusting valve.
As preferable technical scheme, the lubricant passage way, which is provided with, stops that regulation oil circuit inner fluid enters fluid torque-converter
The check valve of control valve.
As preferable technical scheme, the front end pressure maintaining valve includes front end voltage stabilizing valve pocket, on the front end voltage stabilizing valve pocket
Provided with oil inlet, the right side of the oil inlet is provided with drain tap, and the left side of the oil inlet is provided with oil-out, the oil inlet and
The first valve element is provided between the oil-out, the second valve element, first valve are provided between the oil inlet and the drain tap
It is provided with connecting rod between core and second valve element, the left side of the right side of first valve element and second valve element is relative,
The right side of first valve element and the contact area of fluid are more than the left side of the second valve element and the contact area of fluid；It is described
Oil leak gap between the cavity wall of the side surface of second valve element and the front end voltage stabilizing valve pocket be present, described in the oil leak gap connection
Second valve element both sides end face；It is provided between first valve element and the front end voltage stabilizing valve pocket and promotes the first valve element to the oil-feed
First spring of mouth direction motion.
As preferable technical scheme, the rear end pressure maintaining valve includes rear end voltage stabilizing valve pocket, on the rear end voltage stabilizing valve pocket
Provided with the first oil-out, the side of first oil-out is provided with oil return opening, and the opposite side of first oil-out is provided with first
Oil inlet, the oil return opening are located at the head of the rear end voltage stabilizing valve pocket, set between the oil return opening and first oil-out
There is the 3rd valve element, the 4th valve element, the 3rd valve are provided between first oil inlet and the afterbody of the rear end voltage stabilizing valve pocket
Second connecting rod is provided between core and the 4th valve element, the company of being always maintained at is provided between first oil-out and the oil return opening
Logical oil return circuit；It is provided between 4th valve element and the front end voltage stabilizing valve pocket and promotes the 4th valve element fuel-displaced to described first
The second spring of mouth direction motion.
By adopting the above-described technical solution, a kind of fluid torque-converter control oil circuit, including fluid torque-converter control valve, institute
State and fluid torque-converter separation oil circuit and hydraulic moment changeable are provided between the side of fluid torque-converter control valve and the fluid torque-converter
Device combination oil circuit, the opposite side of the fluid torque-converter control valve are connected with fluid torque-converter control oil circuit, the hydraulic moment changeable
The hydraulic pressure control device of control fluid torque-converter control valve input oil pressure is connected with device control oil circuit；Hydraulic pressure control device is to liquid
The input oil pressure of power torque converter control valve is controlled, and input oil pressure is stablized in some fixed value, makes the control of fluid torque-converter
Liquefaction road is not influenceed by flow and the oil pressure change of working connection.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the structural representation of another hydraulic pressure control device in the embodiment of the present invention；
Fig. 3 is the operation principle schematic diagram of front end pressure maintaining valve in the embodiment of the present invention；
Fig. 4 is the operation principle schematic diagram of rear end pressure maintaining valve in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
As shown in figure 1, a kind of fluid torque-converter control oil circuit, including fluid torque-converter control valve 1, the fluid torque-converter
Fluid torque-converter separation oil circuit 3 and fluid torque-converter combination oil circuit are provided between the side of control valve 1 and the fluid torque-converter 2
4, the opposite side of the fluid torque-converter control valve 1 is connected with fluid torque-converter control oil circuit 5, the fluid torque-converter control oil
The hydraulic pressure control device of control fluid torque-converter control valve input oil pressure is connected with road 5.Hydraulic pressure control device is to hydraulic moment changeable
The input oil pressure of device control valve is controlled, and input oil pressure is stablized into the control oil circuit in some fixed value, making fluid torque-converter
Do not influenceed by flow and the oil pressure change of working connection.
The opposite side of the fluid torque-converter control valve 1 is also associated with lubricant passage way 6, the lubricant passage way 6 and the liquid
Regulation oil circuit 7 is provided between power torque-converters control oil circuit 5, the hydraulic pressure control device includes being located on the regulation oil circuit 7
Front end pressure maintaining valve 8, the oil inlet end oil pressure that the front end pressure maintaining valve 8 adjusts the front end pressure maintaining valve 8 is stable in fixed value, before described
The oil inlet end of end pressure maintaining valve 8 is close in the fluid torque-converter control oil circuit 5.
The lubricant passage way 6 is provided with the check valve 13 for stopping that regulation oil circuit inner fluid enters fluid torque-converter control valve 1.
Front end pressure maintaining valve can be stable by the front end oil circuit (namely oil circuit of front end pressure maintaining valve oil inlet end) of front end pressure maintaining valve
In certain fixation oil pressure value, make the control oil circuit of fluid torque-converter not influenceed by flow and the oil pressure change of working connection；Front end is steady
The oil circuit connection lubricant passage way of pressure valve oil outlet end, and check valve is set between fluid torque-converter control valve, avoid becoming fluid power
Square device control valve has an impact；So as to improve the control accuracy of fluid torque-converter.The oil circuit of the oil inlet end of front end pressure maintaining valve can
Repeated no more with stable in certain fixation oil pressure value, its concrete structure.
As shown in Fig. 2 another embodiment as hydraulic pressure control device, it is steady that the hydraulic pressure control device includes rear end
Pressure valve 9, the rear end pressure maintaining valve 9 are located on fluid torque-converter control oil circuit 5, the rear end pressure maintaining valve 9 adjust it is described after
The oil outlet end oil pressure of end pressure maintaining valve 9 is stable to be close in the fluid torque-converter in fixed value, the oil outlet end of the rear end pressure maintaining valve 9
Control valve 1.
Increase rear end pressure maintaining valve before fluid torque-converter control valve, the rear end pressure maintaining valve can be by the rear end of rear end pressure maintaining valve
Oil circuit (namely oil circuit of rear end pressure maintaining valve oil outlet end) is stable in certain fixation oil pressure value, make the control oil circuit of fluid torque-converter not by
The influence of flow and the oil pressure change of working connection, so as to improve the control accuracy of fluid torque-converter.Rear end pressure maintaining valve it is fuel-displaced
The oil circuit at end can be stablized to be repeated no more in certain fixation oil pressure value, its concrete structure.
The fluid torque-converter control oil circuit 5 is connected on the working connection 10 provided with oil pump 14, the working connection 10 and institute
State and be provided with flow control valve 11 between lubricant passage way 6, the flow control valve 11 is in the flow of lubricant passage way 6 and the flow of working connection 10
Automatically working connection flow control is carried out under collective effect.
It is additionally provided with the fluid torque-converter control oil circuit 5 between the hydraulic pressure control device and the working connection 10
Oil pressure adjusting valve 12, the oil pressure adjusting valve 12 adjusts the oil inlet end oil pressure of the oil pressure adjusting valve 12.
As shown in figure 3, the front end pressure maintaining valve includes front end voltage stabilizing valve pocket 15, the front end voltage stabilizing valve pocket 15 be provided with into
Hydraulic fluid port 16, the right side of the oil inlet 16 are provided with drain tap 17, and the left side of the oil inlet 16 is provided with oil-out 18, the oil-feed
The first valve element 19 is provided between mouth 16 and the oil-out 18, the second valve is provided between the oil inlet 16 and the drain tap 17
Core 20, connecting rod 21, the He of right side 22 of first valve element 19 are provided between first valve element 19 and second valve element 20
The left side 23 of second valve element 20 is relative, and the right side of first valve element 19 and the contact area of fluid are more than the second valve
The left side 23 of core 20 and the contact area of fluid；The cavity wall of the side surface of second valve element and the front end voltage stabilizing valve pocket it
Between have and oil leak gap be present, the oil leak gap connects the second valve element both sides end face；Fluid is spilt through the oil leak gap
It is provided with to drain tap 17, between first valve element and the front end voltage stabilizing valve pocket and promotes the first valve element to the oil inlet direction
First spring 33 of motion.The oil pressure P1 of oil inlet acts on the right side of first valve element 19 and the left end of the second valve element 20
Face 23 is with the difference in areas △ S of the contact surface of fluid, the force balance with the first spring 33, making P1 stable specific at some
Value.F1=P1* △ S=Fspring, when valve element is from original state to end-state, it is ensured that P1 is stable in certain limit
It is interior constant.
As shown in figure 4, the rear end pressure maintaining valve includes rear end voltage stabilizing valve pocket 25, the rear end voltage stabilizing valve pocket 25 is provided with the
One oil-out 26, the side of first oil-out 26 are provided with oil return opening 27, and the opposite side of first oil-out 26 is provided with the
One oil inlet 28, the oil return opening 27 are located at the head of the rear end voltage stabilizing valve pocket 25, and the oil return opening 27 and described first goes out
The 3rd valve element 29 is provided between hydraulic fluid port 26, the is provided between first oil inlet 28 and the afterbody of the rear end voltage stabilizing valve pocket 25
Four valve elements 30, second connecting rod 31, the He of the first oil-out 26 are provided between the 3rd valve element 29 and the 4th valve element 30
The oil return circuit 32 for being always maintained at connection is provided between the oil return opening 27；4th valve element and the front end voltage stabilizing valve pocket it
Between be provided with and promote the second spring 34 moved to the first oil-out direction of the 4th valve element；The oil pressure P2 effects of first oil-out
On end face of the 3rd valve element 29 adjacent to oil return opening 27, the force balance with second spring 34, i.e.,：P2*S=Fspring,
3rd valve element 29 is S adjacent to the area of the end face of oil return opening 27.Due to spring-force driven dual, when valve element is from original state to finally
During state, it is ensured that P2 is stable constant within the specific limits.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. a kind of fluid torque-converter controls oil circuit, it is characterised in that including fluid torque-converter control valve, the fluid torque-converter control
Fluid torque-converter separation oil circuit and fluid torque-converter combination oil circuit are provided between the side of valve processed and the fluid torque-converter, it is described
The opposite side of fluid torque-converter control valve is connected with fluid torque-converter control oil circuit, is connected on the fluid torque-converter control oil circuit
There is the hydraulic pressure control device of control fluid torque-converter control valve input oil pressure.
2. fluid torque-converter as claimed in claim 1 controls oil circuit, it is characterised in that the fluid torque-converter control valve it is another
Side is also associated with lubricant passage way, and regulation oil circuit, institute are provided between the lubricant passage way and fluid torque-converter control oil circuit
The front end pressure maintaining valve that hydraulic pressure control device includes being located on the regulation oil circuit is stated, front end described in the front end voltage stabilizing valve regulation is steady
The oil inlet end oil pressure of pressure valve is stable to be close in the fluid torque-converter control oil in fixed value, the oil inlet end of the front end pressure maintaining valve
Road.
3. fluid torque-converter as claimed in claim 1 controls oil circuit, it is characterised in that the hydraulic pressure control device includes rear end
Pressure maintaining valve, the rear end pressure maintaining valve are located on the fluid torque-converter control oil circuit, rear end described in the rear end voltage stabilizing valve regulation
The oil outlet end oil pressure of pressure maintaining valve is stable to be close in the fluid torque-converter control in fixed value, the oil outlet end of the rear end pressure maintaining valve
Valve.
4. fluid torque-converter as claimed in claim 2 controls oil circuit, it is characterised in that the fluid torque-converter control oil circuit connects
It is connected on the working connection provided with oil pump, flow control valve, the flow control is provided between the working connection and the lubricant passage way
Valve processed carries out working connection flow control automatically under lubricant passage way flow and working connection flow collective effect.
5. fluid torque-converter as claimed in claim 4 controls oil circuit, it is characterised in that on the fluid torque-converter control oil circuit
The oil pressure adjusting valve being additionally provided between the hydraulic pressure control device and the working connection, described in oil pressure adjusting valve regulation
The oil inlet end oil pressure of oil pressure adjusting valve.
6. fluid torque-converter as claimed in claim 5 controls oil circuit, it is characterised in that the lubricant passage way, which is provided with, stops tune
Fuel-economizing road inner fluid enters the check valve of fluid torque-converter control valve.
7. fluid torque-converter as claimed in claim 2 controls oil circuit, it is characterised in that it is steady that the front end pressure maintaining valve includes front end
Pressure valve chamber, the front end voltage stabilizing valve pocket are provided with oil inlet, and the right side of the oil inlet is provided with drain tap, a left side for the oil inlet
Side is provided with oil-out, is provided with the first valve element between the oil inlet and the oil-out, the oil inlet and the drain tap it
Between be provided with the second valve element, be provided with connecting rod between first valve element and second valve element, the right side of first valve element and
The left side of second valve element is relative, and the right side of first valve element and the contact area of fluid are more than a left side for the second valve element
End face and the contact area of fluid；Oil leak be present between the cavity wall of the side surface of second valve element and the front end voltage stabilizing valve pocket
Gap, the oil leak gap connect the second valve element both sides end face；Between first valve element and the front end voltage stabilizing valve pocket
Provided with the first spring for promoting the first valve element to be moved to the oil inlet direction.
8. fluid torque-converter as claimed in claim 3 controls oil circuit, it is characterised in that it is steady that the rear end pressure maintaining valve includes rear end
Pressure valve chamber, the rear end voltage stabilizing valve pocket are provided with the first oil-out, and the side of first oil-out is provided with oil return opening, and described
The opposite side of one oil-out is provided with the first oil inlet, and the oil return opening is located at the head of the rear end voltage stabilizing valve pocket, the oil return
The 3rd valve element is provided between mouth and first oil-out, between first oil inlet and the afterbody of the rear end voltage stabilizing valve pocket
Provided with the 4th valve element, second connecting rod is provided between the 3rd valve element and the 4th valve element, first oil-out and described
The oil return circuit for being always maintained at connection is provided between oil return opening；It is provided with and pushes away between 4th valve element and the front end voltage stabilizing valve pocket
The second spring that dynamic 4th valve element moves to the first oil-out direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710348892.8A CN107420538B (en) | 2017-05-17 | 2017-05-17 | Hydraulic torque converter control oil circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710348892.8A CN107420538B (en) | 2017-05-17 | 2017-05-17 | Hydraulic torque converter control oil circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107420538A true CN107420538A (en) | 2017-12-01 |
| CN107420538B CN107420538B (en) | 2023-06-09 |
Family
ID=60424855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710348892.8A Active CN107420538B (en) | 2017-05-17 | 2017-05-17 | Hydraulic torque converter control oil circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN107420538B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19848935A1 (en) * | 1998-10-23 | 2000-04-27 | Zf Batavia Llc | Automobile automatic gearbox with hydrodynamic torque converter has friction clutch supplied with additional cooling oil during its slip phase |
| CN201326729Y (en) * | 2008-11-13 | 2009-10-14 | 杭州前进齿轮箱集团股份有限公司 | Feedback control valve with oil pressure for torque converter |
| CN201751633U (en) * | 2010-03-22 | 2011-02-23 | 盛瑞传动股份有限公司 | Flow regulating control system for hydraulic control system of automatic transmission |
| CN102937203A (en) * | 2012-11-13 | 2013-02-20 | 上海交大南洋机电科技有限公司 | Pressure stabilizer applied to hydraulic coupler oil-way system |
| CN203939977U (en) * | 2014-07-03 | 2014-11-12 | 北京汽车动力总成有限公司 | A kind of stepless speed variator hydraulic control system, stepless speed variator and automobile |
| CN106051243A (en) * | 2016-07-28 | 2016-10-26 | 上海交通大学 | Quick response safety valve adopting nonlinear regulating spring |
| CN207470764U (en) * | 2017-05-17 | 2018-06-08 | 盛瑞传动股份有限公司 | A kind of fluid torque-converter controls oil circuit |
-
2017
- 2017-05-17 CN CN201710348892.8A patent/CN107420538B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19848935A1 (en) * | 1998-10-23 | 2000-04-27 | Zf Batavia Llc | Automobile automatic gearbox with hydrodynamic torque converter has friction clutch supplied with additional cooling oil during its slip phase |
| CN201326729Y (en) * | 2008-11-13 | 2009-10-14 | 杭州前进齿轮箱集团股份有限公司 | Feedback control valve with oil pressure for torque converter |
| CN201751633U (en) * | 2010-03-22 | 2011-02-23 | 盛瑞传动股份有限公司 | Flow regulating control system for hydraulic control system of automatic transmission |
| CN102937203A (en) * | 2012-11-13 | 2013-02-20 | 上海交大南洋机电科技有限公司 | Pressure stabilizer applied to hydraulic coupler oil-way system |
| CN203939977U (en) * | 2014-07-03 | 2014-11-12 | 北京汽车动力总成有限公司 | A kind of stepless speed variator hydraulic control system, stepless speed variator and automobile |
| CN106051243A (en) * | 2016-07-28 | 2016-10-26 | 上海交通大学 | Quick response safety valve adopting nonlinear regulating spring |
| CN207470764U (en) * | 2017-05-17 | 2018-06-08 | 盛瑞传动股份有限公司 | A kind of fluid torque-converter controls oil circuit |
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| Publication number | Publication date |
|---|---|
| CN107420538B (en) | 2023-06-09 |
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