CN105782289B - Integrated control valve and control method for Retarder - Google Patents
Integrated control valve and control method for Retarder Download PDFInfo
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- CN105782289B CN105782289B CN201410805748.9A CN201410805748A CN105782289B CN 105782289 B CN105782289 B CN 105782289B CN 201410805748 A CN201410805748 A CN 201410805748A CN 105782289 B CN105782289 B CN 105782289B
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- 238000000034 method Methods 0.000 title claims description 14
- 239000003570 air Substances 0.000 claims description 80
- 239000012080 ambient air Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims 4
- 239000000203 mixture Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 235000015927 pasta Nutrition 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
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Abstract
The invention discloses a kind of integrated control valves for Retarder, the control valve is by main valve body (1), first valve rod (3), the second valve rod (4) composition, the main valve body (1) are equipped with the first valve chamber being mutually parallel（5）, the second valve chamber（6）, first valve rod (3), the second valve rod (4) are respectively arranged on the first valve chamber（5）, the second valve chamber（6）It is interior；The main valve body (1) is equipped with the air inlet P of control valve, the air inlet A of Retarder, Retarder exhaust outlet R.Technical solution using the present invention, pass through the set of two solenoid valves, one solenoid valve carries out preliminary coarse adjustment to the working condition of Retarder, another solenoid valve, into Mobile state fine tuning, realizes the control to Retarder to Retarder, instead of the proportioning valve in Retarder in the prior art, improve the service life of valve, failure is not required to often replace less, and single integrated control valve cost relative scale valve is relatively low, to reduce the cost of Retarder.
Description
Technical field
The present invention relates to control valves, and in particular to the control for the pressure control in the working chamber of Retarder
Valve.
Background technology
The size of Retarder braking moment depends on the rotating speed of the oil pressure and oil mass and rotor in working chamber.When
When automobile downhill, automobile slides under the effect of gravity, and the rotor of retarder is made to run at high speed, oil-filled to Retarder at this time.
The pasta that works is accelerated in rotor, is decelerated again in stator.It gives rotor with prodigious countertorque, to automobile system
It is dynamic.Potential energy is gradually changed into thermal energy in Retarder when automobile downhill.The work fluid of high temperature be directed to cooler into
Row cooling, and constantly by oil pump by working oil after cooling be supplemented in come.It so constantly recycles, you can carry out constant
Hydraulic braking.When automobile is fully loaded with lower long slope, automobile constant speed can be maintained to travel.
The moment of resistance of Retarder and rotor speed it is square directly proportional.With the increase of car speed, the system of automobile
Power is also risen by the quadratic relationship of rotor speed.When driving with different stalls, the brake force of automobile becomes automobile with speed
Change；The auxiliary braking effect of Retarder is far superior to current vortex retarder, and continuous lower long slope is especially to frequent descending
Vehicle auxiliary braking effect becomes apparent.
Oil pressure and oil mass in the working chamber of above-mentioned Retarder pass through the air source that is filled in Retarder working chamber
It is controlled, in the prior art, the valve for the air source control of Retarder is proportioning valve, by proportioning valve to gas stream
The control of amount, the normal work under realizing Retarder in various road conditions, proportioning valve have many advantages, such as that degree of regulation is high, but
It is its easily loss, faults frequent the shortcomings that needing to be replaced frequently, in addition the cost of single proportioning valve is higher, becomes Retarder
The bottleneck of popularization.
Invention content
Proportioning valve in order to solve Retarder in the prior art is easily lost, faults frequent and technology of high cost are asked
Topic, the present invention provides positions in one kind closing electromagnetic pilot-operated integrated control valve (lower abbreviation integrated control valve), substitutes existing skill
Proportioning valve in art.
Its specific technical solution is as follows：
The integrated control valve is by main valve body 1, and the first valve rod 3, the second valve rod 4 composition, the main valve body 1 is equipped with mutual
Parallel the first valve chamber 5, the second valve chamber 6, first valve rod 3, the second valve rod 4 are respectively arranged on the first valve chamber 5, the second valve chamber 6
It is interior；The main valve body 1 is equipped with the air inlet P of control valve, the air inlet A of Retarder, Retarder exhaust outlet R, control
The air inlet P of valve processed is connected to automobile gas source, and the air inlet A of Retarder is connected to the air inlet of Retarder, liquid
Power retarder exhaust outlet R is connected to the exhaust outlet of Retarder.
The control valve is electromagnetic pilot-operated, is inhaled by electromagnetic coil, puts control of the dynamic iron core to pilot head piston, to
Realize the action of valve rod.
Two end sides of first valve rod 3 are respectively equipped with the first pilot head 7 and the second pilot head 8；The both ends of second valve rod 4
Side is respectively equipped with third pilot head 9 and the 4th pilot head 10；It is respectively arranged with coil in the pilot head；First valve rod 3 is close
The one end of first pilot head 7 is equipped with (the first back-moving spring 13 in main valve body 1, and second valve rod 4 is close to third pilot head 9
One end second back-moving spring 14 is equipped in the main valve body 1.
The technical solution further optimized, safety valve are integrated on the main valve body 1, and valve body of safety valve 2 is set to main valve
The side of body 1, the valve body of safety valve 2 is interior to be equipped with third valve chamber 16, and third valve rod 12 is equipped in the third valve chamber 16, described
The one end of third valve rod 12 is equipped with the 5th pilot head 11, and the third valve rod 12 is being pacified close to the one end of the 5th pilot head 11
Third resetting spring 15 is equipped in full valve valve body 2.
Main airway there are three being set in the valve body, the first main airway 17, the second main airway 18 and third main airway 19, institute
Three main airways are stated to be connected to the first valve chamber 5, the second valve chamber 6 respectively；The air inlet P of the control valve and the first main airway 17 connect
Logical, Retarder air inlet A is connected to the second main airway 18, Retarder exhaust outlet R is connected to third main airway 19.
A method of Retarder being controlled using integrated control valve, institute's control method includes the preliminary thick of operating pressure
Reconciliation dynamic fine tuning；
Preliminary coarse steps：
Automobile power source is opened, the controller of Retarder allows the coil of the 5th pilot head 11 to be in energized state so that
Third valve rod 12 moves to left, and the air inlet A and Retarder exhaust outlet R of Retarder is blocked, to close Retarder
Working chamber and ambient air passage, Retarder enter preparation state；
When driving, when needing using Retarder, control crank, controller allows the coil of the second pilot head 8
It is powered, the first valve rod 3 moves to left, and air inlet P is communicated with the big sections Retarder air inlet A, and Retarder works rapidly；When
When pressure sensor detects that work cavity pressure reaches setting value, controller allows the coil blackout of the second pilot head 8, the first valve rod
3 reset under the action of (the first back-moving spring 13, and air inlet P and Retarder air inlet A, integrated control valve is blocked to be in not
The state that air inlet is not also vented；
Dynamic fine tuning step：
In the Retarder course of work, when pressure sensor detects that the pressure of Retarder working chamber is less than setting
When value, controller allows the coil of the 4th pilot head 10 to be powered, and the second valve rod 4 is made to move to left, at this time air inlet P and Retarder into
Gas port A small bores communicate, and give the micro tonifying Qi of Retarder working chamber；
When pressure sensor detects that Retarder work cavity pressure reaches setting value, controller allows the 4th pilot head
10 coil blackout, the second valve rod 4 reset under the action of second back-moving spring 14, block air inlet P and Retarder into
Gas port A, integrated control valve are in the state that not air inlet is not also vented；
In the Retarder course of work, when pressure sensor detects that the pressure of Retarder working chamber is more than setting
When value, controller is powered by the coil of third pilot head 9, so that the second valve rod 4 is moved to right, at this time Retarder exhaust outlet R and liquid
Power retarder air inlet A small bores communicate, and give the micro exhaust of Retarder working chamber；
When pressure sensor detects that Retarder work cavity pressure reaches setting value, controller is by third pilot head
9 coil blackout, the second valve rod 4 reset under the action of second back-moving spring 14, block Retarder exhaust outlet R and fluid power
Retarder air inlet A, integrated control valve are in the state that not air inlet is not also vented.
In the Retarder course of work, when pressure sensor detects the pressure of Retarder working chamber in setting value
When within the scope of allowable error, controller allows the coil blackout of the first, second, third and fourth pilot head 7,8,9,10, is resetted first and second
First valve rod 3, the second valve rod 4 are in middle position state under the action of spring 13,14, and the not air inlet of Retarder working chamber is not also arranged
Gas.
The regulating step of integrated control valve is as follows when the Retarder is stopped：
When driving, when need not use Retarder, control crank is closed, controller allows the first pilot head 7
Coil be powered so that the first valve rod 3 moves to right, and retarder exhaust outlet R is communicated with the big sections Retarder air inlet A at this time,
Retarder working chamber gas is quickly discharged in air, and Retarder is stopped rapidly, is prevented similar " dragging brake "
Phenomenon.
The regulating step of the Retarder is improper when being stopped integrated control valve is as follows：
When automobile stops, driver forgets that closing control crank (or other control modes) makes Retarder not move back normally
Go out working condition and direct closing automobile power supply, the coil of the controller power down of Retarder, the 5th pilot head 11 is also at
Off-position, under the action of third resetting spring 15 and process 11 gas port air pressure of the 5th pilot head so that third valve rod 12
It moves to right, Retarder exhaust outlet R is communicated by the inside air flue of valve body of safety valve 2 with Retarder air inlet A at this time, will
Gas in Retarder working chamber is discharged in air.
The integrated control valve is provided with middle position closing function, and the controller of Retarder does not give integrated control valve
When the coil of first, second, third and fourth pilot head 7,8,9,10 is powered, the first valve rod 3,4 opposite main valve body 1 of the second valve rod are in
Middle position, at this time integrated control valve be in " middle envelope " state that not air inlet is not also vented.
Technical solution using the present invention passes through the set of two solenoid valves, work of the solenoid valve to Retarder
Make state and carry out preliminary coarse adjustment, another solenoid valve into Mobile state fine tuning, realizes to Retarder Retarder
Control, instead of the proportioning valve in Retarder in the prior art, reduces the cost of Retarder.
Description of the drawings
The main sectional view of state when Fig. 1 is the preliminary coarse adjustment of the integrated control valve for Retarder of the present invention.
The sectional view of state when Fig. 2 is the preliminary coarse adjustment of the integrated control valve for Retarder of the present invention.
The pressure of working chamber is less than and sets when Fig. 3 is the dynamic fine tuning of the integrated control valve for Retarder of the present invention
The main sectional view of state when definite value.
The pressure of working chamber is less than and sets when Fig. 4 is the dynamic fine tuning of the integrated control valve for Retarder of the present invention
The sectional view of state when definite value.
The pressure of working chamber is more than and sets when Fig. 5 is the dynamic fine tuning of the integrated control valve for Retarder of the present invention
The main sectional view of state when definite value.
The pressure of working chamber is more than and sets when Fig. 6 is the dynamic fine tuning of the integrated control valve for Retarder of the present invention
The sectional view of state when definite value.
The pressure of working chamber is being set when Fig. 7 is the dynamic fine tuning of the integrated control valve for Retarder of the present invention
The main sectional view of state when being worth within the scope of allowable error.
The pressure of working chamber is being set when Fig. 8 is the dynamic fine tuning of the integrated control valve for Retarder of the present invention
The main sectional view of state when being worth within the scope of allowable error.
Fig. 9 is that being integrated when Retarder is stopped for the integrated control valve for Retarder of the present invention is controlled
The main sectional view of the state of valve processed.
Figure 10 is being integrated when Retarder is stopped for the integrated control valve for Retarder of the present invention
The sectional view of the state of control valve.
Figure 11 is the integrated control valve for Retarder of the present invention in the improper stopping work of Retarder
The main sectional view of the state of integrated control valve when making.
Figure 12 is being stopped Retarder is improper for the integrated control valve for Retarder of the present invention
When integrated control valve state sectional view.
Specific implementation mode
Retarder is controlled in order to adapt to our company, invents a kind of integrated control valve for Retarder, under
Face is further described its specific technical solution in conjunction with attached drawing：
Integrated control valve is equipped with and is mutually parallel by main valve body 1, the first valve rod 3, the second valve rod 4 composition, the main valve body 1
The first valve chamber 5, the second valve chamber 6, first valve rod 3, the second valve rod 4 are respectively arranged on the first valve chamber 5, in the second valve chamber 6；Institute
It states main valve body 1 and is equipped with the air inlet P of control valve, the air inlet A of Retarder, Retarder exhaust outlet R, control valve
Air inlet P is connected to automobile gas source, and the air inlet A of Retarder is connected to the air inlet of Retarder, hydrodynamic retarding
Device exhaust outlet R is connected to the exhaust outlet of Retarder.
The control valve is electromagnetic pilot-operated, is inhaled by electromagnetic coil, puts control of the dynamic iron core to pilot head piston, to
Realize the action of valve rod.
Two end sides of first valve rod 3 are respectively equipped with the first pilot head 7 and the second pilot head 8；The both ends of second valve rod 4
Side is respectively equipped with third pilot head 9 and the 4th pilot head 10；It is respectively arranged with coil in the pilot head；First valve rod 3 is close
The one end of first pilot head 7 is equipped with (the first back-moving spring 13 in main valve body 1, and second valve rod 4 is close to third pilot head 9
One end second back-moving spring 14 is equipped in the main valve body 1.
The technical solution further optimized, safety valve are integrated on the main valve body 1, and valve body of safety valve 2 is set to main valve
The side of body 1, the valve body of safety valve 2 is interior to be equipped with third valve chamber 16, and third valve rod 12 is equipped in the third valve chamber 16, described
The one end of third valve rod 12 is equipped with the 5th pilot head 11, and the third valve rod 12 is being pacified close to the one end of the 5th pilot head 11
Third resetting spring 15 is equipped in full valve valve body 2.
Main airway there are three being set in the valve body, the first main airway 17, the second main airway 18 and third main airway 19, institute
Three main airways are stated to be connected to the first valve chamber 5, the second valve chamber 6 respectively；The air inlet P of the control valve and the first main airway 17 connect
Logical, Retarder air inlet A is connected to the second main airway 18, Retarder exhaust outlet R is connected to third main airway 19.
The control method of integrated control valve is described in detail below, according to the operating mode of Retarder, integrated control valve its
Working condition is divided into following several：
One, the preliminary coarse adjustment course of work is as illustrated in fig. 1 and 2, opens automobile power source, and the controller of Retarder allows the 5th
The coil of pilot head 11 is in energized state so that third valve rod 12 moves to left, and blocks the air inlet A of Retarder and fluid power slow
Fast device exhaust outlet R, to close Retarder working chamber and ambient air passage, Retarder enters preparation state.
It when driving, when driver is needed using Retarder, opens and manipulates working handle, controller allows the
The coil of two pilot heads 8 is powered so that the first valve rod 3 moves to left, at this time the big section phases of air inlet P and Retarder air inlet A
Logical, to the quick air inlet of Retarder working chamber, Retarder works rapidly.
When pressure sensor detects that work cavity pressure reaches setting value, controller makes the coil of the second pilot head 8 disconnected
Electricity, the first valve rod 3 reset under spring force, blocking air inlet P and Retarder air inlet A, at integrated control valve
In the state that not air inlet is not also vented.
Two, dynamic fine tuning works
As shown in Figure 3 and Figure 4, automobile power source is opened, the controller of Retarder allows at the coil of the 5th pilot head 11
In energized state so that third valve rod 12 moves to left, and blocks the air inlet A and Retarder exhaust outlet R of Retarder, to
It closes Retarder working chamber and ambient air passage, Retarder enters preparation state.
In the Retarder course of work, when pressure sensor detects that the pressure of Retarder working chamber is less than setting
When value, controller allows the coil of the 4th pilot head 10 to be powered, and the second valve rod 4 is made to move to left, at this time air inlet P and Retarder into
The small air inlet small bores of gas port A communicate, and give the micro tonifying Qi of Retarder working chamber；When pressure sensor detects Retarder
Work cavity pressure is when reaching setting value, and controller allows the coil blackout of the 4th pilot head 10, effect of second valve rod 4 in spring force
Lower reset blocks air inlet P and Retarder air inlet A, integrated control valve to be in the state that not air inlet is not also vented.
As it can be seen in figures 5 and 6, in the Retarder course of work, when pressure sensor detects Retarder working chamber
Pressure when being greater than the set value, controller is powered by the coil of third pilot head 9, and valve rod 2 is made to move to right, and Retarder is arranged at this time
Gas port R is communicated with the small exhaust small bores of Retarder air inlet A, gives the micro excretion gas of Retarder working chamber；Work as pressure
Sensor detects Retarder work cavity pressure when reaching setting value, controller by third pilot head 9 coil blackout, the
Two valve rods 4 reset under spring force, block Retarder exhaust outlet R and Retarder air inlet A, integrated control
Valve is in the state that not air inlet is not also vented.
As shown in FIG. 7 and 8, in the Retarder course of work, when pressure sensor detects Retarder working chamber
Pressure within the scope of setting value allowable error when, controller allows the coil blackout of the first, second, third and fourth pilot head 7,8,9,10,
First valve rod 3 and the second valve rod 4 are in middle position shape under the action of spring force (the first back-moving spring 13 and second back-moving spring 14
State, the not air inlet of Retarder working chamber are not also vented.
The three, Retarder off-load courses of work (i.e. exhaust process)
As shown in Figures 9 and 10, automobile power source is opened, the controller of Retarder allows the coil of the 5th pilot head 11 to be in
Energized state so that third valve rod 12 moves to left, and the air inlet A and Retarder exhaust outlet R of Retarder is blocked, to close
Retarder working chamber and ambient air passage are closed, Retarder enters preparation state；
When driving, when driver need not use Retarder, closes and manipulate working handle, controller allows
The coil of first pilot head 7 is powered so that the first valve rod 3 moves to right, at this time retarder exhaust outlet R and Retarder air inlet A
It is vented big section greatly to communicate, Retarder working chamber gas is quickly discharged in air, and Retarder is stopped rapidly, is prevented
Only there is similar " dragging brake " phenomenon.
The course of work under four, abnormal power-down operating modes
As shown in FIG. 11 and 12, when automobile stops, if driver forgets to close control crank (or other control modes)
Retarder is set not exit working condition normally and direct closing automobile power supply, the controller power down of Retarder, the 5th
The coil of pilot head 11 is also at off-position, under the action of spring force and process pilot head gas port air pressure so that third
Valve rod 12 moves to right, and Retarder exhaust outlet R is communicated by the inside air flue of valve body 2 with Retarder air inlet A at this time, will
Gas in Retarder working chamber is discharged in air, and Retarder is prevented to be under pressure environment for a long time and shorten the longevity
Life.
Claims (4)
1. a kind of method controlling Retarder using integrated control valve, which is characterized in that institute's control method includes to work
The preliminary coarse adjustment and dynamic fine tuning of pressure；
Preliminary coarse steps：
Automobile power source is opened, the controller of Retarder allows the coil of the 5th pilot head (11) to be in energized state so that the
Three valve rods (12) move to left, and the air inlet A and Retarder exhaust outlet R of Retarder are blocked, to close Retarder
Working chamber and ambient air passage, Retarder enter preparation state；
When driving, when needing using Retarder, control crank, controller makes the coil of the second pilot head (8) logical
Electricity, the first valve rod (3) move to left, and air inlet P is communicated with the big sections Retarder air inlet A, and Retarder works rapidly；When
When pressure sensor detects that work cavity pressure reaches setting value, controller allows the coil blackouts of the second pilot head (8), the first valve
Bar (3) resets under the action of (the first back-moving spring (13), blocks air inlet P and Retarder air inlet A, integrated control valve
The state not also being vented in not air inlet；
Dynamic fine tuning step：
When pressure sensor detects that the pressure of Retarder working chamber is less than setting value in the Retarder course of work,
Controller allows the coil of the 4th pilot head (10) to be powered, and the second valve rod (4) is made to move to left, at this time air inlet P and Retarder into
Gas port A small bores communicate, and give the micro tonifying Qi of Retarder working chamber；
When pressure sensor detects that Retarder work cavity pressure reaches setting value, controller allows the 4th pilot head (10)
Coil blackout, the second valve rod (4) resets under the action of second back-moving spring (14), blocks air inlet P and Retarder
Air inlet A, integrated control valve are in the state that not air inlet is not also vented；
In the Retarder course of work, when pressure sensor detects that the pressure of Retarder working chamber is greater than the set value
When, controller by third pilot head (9) coil be powered, so that the second valve rod (4) is moved to right, at this time Retarder exhaust outlet R with
Retarder air inlet A small bores communicate, and give the micro exhaust of Retarder working chamber；
When pressure sensor detects that Retarder work cavity pressure reaches setting value, controller is by third pilot head (9)
Coil blackout, the second valve rod (4) resets under the action of second back-moving spring (14), block Retarder exhaust outlet R with
Retarder air inlet A, integrated control valve are in the state that not air inlet is not also vented；
In the Retarder course of work, when pressure sensor detects that the pressure of Retarder working chamber allows in setting value
When in error range, controller allows the coil of the first, second, third and fourth pilot head (7,8,9,10) all to power off, multiple first and second
The first valve rod (3), the second valve rod (4) are in middle position state under the action of position spring (13,14), Retarder working chamber not into
Gas is not also vented.
2. a kind of method controlling Retarder using integrated control valve according to claim 1, which is characterized in that institute
The regulating step of integrated control valve is as follows when the Retarder stated is stopped：
When driving, when need not use Retarder, control crank is closed, controller allows the first pilot head (7)
Coil is powered so that and the first valve rod (3) moves to right, and retarder exhaust outlet R is communicated with the big sections Retarder air inlet A at this time,
Retarder working chamber gas is quickly discharged in air, and Retarder is stopped rapidly.
3. a kind of method controlling Retarder using integrated control valve according to claim 1, which is characterized in that institute
The regulating step of the Retarder stated is improper when being stopped integrated control valve is as follows：
When automobile stops, driver forgets that closing control crank (or other control modes) makes Retarder not exit work normally
Make state and direct closing automobile power supply, the controller power down of Retarder, the coil of the 5th pilot head (11) is also at disconnected
Electricity condition, under the action of the 5th pilot head (11) the gas port air pressure of third resetting spring (15) and process so that third valve rod
(12) it moves to right, Retarder exhaust outlet R passes through the inside air flue and Retarder air inlet A of valve body of safety valve (2) at this time
It communicates, the gas in Retarder working chamber is discharged in air.
4. a kind of method controlling Retarder using integrated control valve according to claim 1, which is characterized in that institute
The integrated control valve stated is provided with middle position closing function, the controller of Retarder do not give integrated control valve first and second,
Three, when the coil of four pilot heads (7,8,9,10) is powered, the first valve rod (3), the second valve rod (4) are in respect to main valve body (1)
Middle position, at this time integrated control valve be in " middle envelope " state that not air inlet is not also vented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410805748.9A CN105782289B (en) | 2014-12-22 | 2014-12-22 | Integrated control valve and control method for Retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410805748.9A CN105782289B (en) | 2014-12-22 | 2014-12-22 | Integrated control valve and control method for Retarder |
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| Publication Number | Publication Date |
|---|---|
| CN105782289A CN105782289A (en) | 2016-07-20 |
| CN105782289B true CN105782289B (en) | 2018-09-14 |
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| CN201410805748.9A Active CN105782289B (en) | 2014-12-22 | 2014-12-22 | Integrated control valve and control method for Retarder |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113738793B (en) * | 2021-09-09 | 2022-02-22 | 北京裕峻汽车技术研究院有限公司 | Braking system and control method of hydraulic retarder |
| CN114103898A (en) * | 2021-12-31 | 2022-03-01 | 富奥汽车零部件股份有限公司 | Governing system, pump formula retarber and vehicle |
| CN114274932B (en) * | 2021-12-31 | 2022-12-02 | 富奥汽车零部件股份有限公司 | Control method and control device of hydraulic retarder |
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| CN204610628U (en) * | 2014-12-22 | 2015-09-02 | 林会明 | For the integrated control valve of hydrodynamic retarder |
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| CN105782289A (en) | 2016-07-20 |
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