CN108099888A - A kind of brake main valve for adapting to the different convertible gas circuits of road conditions - Google Patents
A kind of brake main valve for adapting to the different convertible gas circuits of road conditions Download PDFInfo
- Publication number
- CN108099888A CN108099888A CN201711406151.7A CN201711406151A CN108099888A CN 108099888 A CN108099888 A CN 108099888A CN 201711406151 A CN201711406151 A CN 201711406151A CN 108099888 A CN108099888 A CN 108099888A
- Authority
- CN
- China
- Prior art keywords
- gas
- piston
- valve
- main
- road conditions
- Prior art date
- 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.)
- Pending
Links
- 230000000694 effects Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000036632 reaction speed Effects 0.000 description 3
- 208000015181 infectious disease Diseases 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000005477 standard model Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
- B60T15/025—Electrically controlled valves
- B60T15/027—Electrically controlled valves in pneumatic systems
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The present invention relates to brake main valve technical fields, disclose a kind of brake main valve for adapting to the different convertible gas circuits of road conditions, including upper valve body, the air admission hole and venthole of upper valve body, the inside of the upper valve body offers plunger shaft, plunger shaft is set to stepped cavity and the mounted inside of stepped cavity has main piston, and stepped cavity includes superposed first stepped hole and the second stepped hole positioned at lower part, and main piston is set to ladder circle column structure；Gas chamber on first is formed between the one side of the piston barrel and the larger diameter end of main piston, gas chamber on second is formed between opposite side and the bottom of plunger shaft, is connected on second between gas chamber and venthole by stomata；It is connected on described first between gas chamber and venthole by pipeline, and pipeline is equipped with electromagnetic gas valve, reach and can control electrically-controlled valve according to different road conditions to realize that air pressure changes the recoil section of piston, the adjustment of adaptability is made with the feel to foot pedal, promotes the purpose of the drive safety in driving conditions.
Description
Technical field
The present invention relates to the technical fields of brake main valve, and in particular, to a kind of to adapt to different convertible gas circuits of road conditions
Brake main valve.
Background technology
Extensively using the brake main valve of foot brake in brake system of car, brake main valve is in use by it
Two brake gas circuits in portion carry out skidding to the wheel hub of automobile, and during skidding, driver passes through foot pedal
Mandril, top rod driving tip-lever support downlink are stepped on, tip-lever support connects front brake gas circuit during downlink, and front brake gas circuit passes through
Wheel cylinder carries out skidding, after front brake gas circuit is connected air pressure promote lower piston therewith, lower piston downlink under gas pressure,
Rear braking gas circuit is connected, rear braking gas circuit is also by wheel cylinder progress skidding, the brake main valve adopted the structure, before,
The gas circuit of rear braking is all spaced-apart, and the air pressure of front brake gas circuit needs to promote lower piston, under the promotion of lower piston downlink
Valve, lower valve can connect rear braking gas circuit, the output of rear braking gas circuit and the equal tolerance of front brake gas circuit, with to front brake into
Row skidding.
Existing all heavy-duty cars brake main valve configuration all be use international standard model, genuine configuration brake
The brake feel weight of main valve, feel is more heavy under automobile heavy-load high-speed case, and reaction speed not in time, causes to add brake
Distance, adds the export of labor of the driver in brake process, and driver is also easy to produce fatigue in long-time driving conditions.
And also have other main pistons on the market to improve the feel of skidding (by reduce piston recoil stress section it is big
It is small), but it is such brake main valve in main piston recoil stress section be all size be it is fixed, can not be in the process of moving
Changed, cause the skidding of automobile cannot make stochastic transformation according to road conditions are driven.
The content of the invention
To improve above-mentioned technical problem, the present invention provides a kind of brake main valve for adapting to different convertible gas circuits of road conditions with
Reaching can realize that air pressure changes the recoil section of piston according to different road conditions by controlling electrically-controlled valve, with to foot pedal
Feel make the adjustment of adaptability, promote the purpose of the drive safety in driving conditions, improve existing brake main valve
The feel of foot pedal is heavier in heavily loaded skidding, adds braking distance and cannot be guaranteed traffic safety and driver's muscle power
The problem of work output is big.
In order to realize above-mentioned technique effect, technical solution provided by the present invention is：It is a kind of that adapt to different road conditions convertible
The brake main valve of gas circuit, including upper valve body and the upper valve being assemblied in inside upper valve body, the upper valve body is equipped with air admission hole and goes out
Stomata, the inside of the upper valve body offer plunger shaft, and plunger shaft is set to stepped cavity and the mounted inside of stepped cavity has main piston,
Stepped cavity includes superposed first stepped hole and the second stepped hole positioned at lower part, and the main piston is set to ladder circle column
Structure, the enlarged diameter section of main piston match with the first stepped hole, and the end of reduced diameter section is opposite with the end of the upper valve
It answers and reduced diameter section is equipped with the piston barrel to match with the second stepped hole；The one side of the piston barrel and main piston it is big
Gas chamber on first is formed between diameter end, gas chamber on second is formed between opposite side and the bottom of plunger shaft, gas on second
It is connected between chamber and venthole by stomata；It is connected on described first between gas chamber and venthole by pipeline, and pipeline
It is equipped with air valve switch.
Further, the pipeline includes first pipe and second pipe, and one end of the first pipe passes through the first gas
Mouth is connected with the venthole, and the other end is connected with the air inlet of electromagnetic gas valve；One end of the second pipe passes through the second gas
Mouth is connected with gas chamber on described first, and the other end is connected with the gas outlet of electromagnetic gas valve.
Further, the enlarged diameter section of the main piston and the outside of piston barrel are cased with sealing ring.
Further, the larger diameter end of the main piston is equipped with annular notch along its periphery, and gear is equipped in annular notch
Circle, the top of baffle ring are equipped with the opening clamp spring mutually assembled with the inner wall of the plunger shaft.
Further, the internal activity of the main piston is equipped with tip-lever support, leads between the end of tip-lever support and main piston
Cross rubber spring connection.
Further, return spring is equipped between the bottom of the larger diameter end of the main piston and first stepped hole,
And the internal diameter of return spring is more than the outer diameter of the piston barrel.
Further, the air valve switch is set to Manual gas valve or electromagnetic gas valve.
Further, the electromagnetic gas valve is DH261 type electromagnetic gas valves.
Compared with the prior art, the beneficial effects of the invention are as follows：
1. using brake main valve provided by the present invention, by using the main piston of ladder circle column structure, main piston leads to
It crosses tip-lever support and reaction force is directly fed back into foot pedal, in a state that automobile is in heavily loaded high speed, to mitigate foot pedal
Feel, driver can close electromagnetic gas valve, and the air pressure of air admission hole at this time is entered on second inside gas chamber, and main piston is needed to reach
Air pressure balance, because the stress recoil section of piston barrel is small, the reaction force of corresponding tip-lever support is with regard to small, so as to mitigate foot pedal
Feel；When automobile is under normal condition, driver can open electromagnetic gas valve, and gas chamber connects with venthole on first at this time
Logical, when needing the main piston to reach air pressure balance, the stress recoil section of air pressure at this time is big, recovers the double infection of foot pedal, realizes brake
Vehicle performance can to comprehensive road condition carry out adaptability conversion, while can also reach heavy duty brake feel it is light, promoted brake system
Dynamic reaction speed shortens the effect of braking distance, ensures safety traffic；
2. electromagnetic gas valve is easy to operate, driver can be turned on or off electromagnetism gas in time according to self demand
Valve, to make the feel converted in real time and change foot pedal (i.e. different stress recoil sections is matched in air pressure), driver can pin
Automatically controlled conversion is carried out to different road conditions, reduces the fatigue strength of driver when driving.
Description of the drawings
Fig. 1 is that the overall structure of upper valve body in the brake main valve provided by the invention for adapting to the different convertible gas circuits of road conditions is shown
It is intended to；
Fig. 2 is the section view signal of upper valve body in the brake main valve provided by the invention for adapting to the different convertible gas circuits of road conditions
Figure；
Fig. 3 is the overall structure diagram of the brake main valve provided by the invention for adapting to the different convertible gas circuits of road conditions；
Fig. 4 is the partial enlarged view of Fig. 1.
Specific embodiment
The present invention is further described in detail with reference to specific embodiment, following word is intended to indicate that this hair
Protection domain that is bright, being not intended to limit the present invention.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4, the present invention can be implemented as follows, and a kind of to adapt to different road conditions variable
The brake main valve on ventilation road, including upper valve body 1 and the upper valve 2 being assemblied in inside upper valve body 1, the end of the upper valve 2 is set
There is bag to enclose, bag circle is for respectively with forming exhaust valve port e and intake valve between the mounting hole of the end of main piston 3 and upper valve body 1
Mouth d, the upper valve body 1 are equipped with air admission hole 4 and venthole 5, and the inside of the upper valve body 1 offers plunger shaft, and plunger shaft is set to
The mounted inside of stepped cavity and stepped cavity has main piston 3, and main piston 3 can carry out certainly in the inside of plunger shaft along its axial direction
By sliding, stepped cavity include superposed first stepped hole 6 and the second stepped hole 7 positioned at lower part, the first stepped hole 6 it is interior
Footpath is more than the internal diameter of the second stepped hole 7, and the main piston 3 is set to ladder circle column structure, the enlarged diameter section of main piston 3 and first
Stepped hole 6 matches and the enlarged diameter section outer cover of main piston 3 is equipped with sealing ring, the end of reduced diameter section and the upper valve 2
End it is corresponding, i.e. the end can offset tight fit with the bag circle of upper valve 2, and reduced diameter section is equipped with and the second ladder
The piston barrel 8 that hole 7 matches, piston barrel 8 is by being shaped on the reduced diameter section of main piston 3；The piston barrel 8
One side and main piston 3 larger diameter end between form gas chamber 9 on first, the is formed between opposite side and the bottom of plunger shaft
Gas chamber 10 on two are connected between gas chamber 10 and venthole 5 by stomata f on second；Gas chamber 9 and outlet on described first
Connected between hole 5 by pipeline, and pipeline is equipped with electromagnetic gas valve 11, electromagnetic gas valve 11 can realize connection to pipeline or
It disconnects, as preference, the electromagnetic gas valve 11 is DH261 type electromagnetic gas valves.It is the present embodiment one using electromagnetic gas valve 11
A preferred technical solution, can also be used Manual gas valve carry out control be switched on or switched off.
Further include the lower valve body 12 with 1 mating assembling of upper valve body, the mounted inside of lower valve body 12 has a lower piston, lower piston with
The upper valve 2 is located on same axis direction, and lower piston is promoted downlink by the air pressure inside upper valve body 1, is controlled with connecting
The brake gas circuit of front brake braking processed.
The pipeline includes first pipe 12 and second pipe 13, and one end of the first pipe 12 passes through the first gas nozzle 15
It is connected with the venthole 5, the first gas nozzle 15 is sealedly attached on the lateral wall of the venthole 5, the other end and electromagnetic gas valve
11 air inlet connection；One end of the second pipe 13 is connected by the second gas nozzle 16 with gas chamber 9 on described first, and second
Gas nozzle 16 is sealedly attached on first in the exterior side wall of gas chamber 9, and the other end is connected with the gas outlet of electromagnetic gas valve 11, this reality
The electromagnetic gas valve 11 (DH261 types electromagnetic gas valve) described in example is applied as a two-position three way magnetic valve, using the electromagnetism gas of closed type
Valve 11, valve body tool there are three gas circuit be coupled mouth, be set to A mouthful, B mouthfuls and C mouthfuls, wherein, A mouthfuls be electromagnetic gas valve 11 into
Gas port, B mouthfuls be electromagnetic gas valve 11 gas outlet, C mouthful be electromagnetic gas valve 11 exhaust outlet and be directly connected with air, when coil does not have
During energization gas circuit be disconnect, i.e. A mouthful with B mouthfuls disconnect, B mouthfuls are connected with C mouthfuls, at this time main piston 3 during the motion, main work
Gas in the larger diameter end compression first of plug 3 inside gas chamber 9, gas are emitted into through C mouthfuls in air by second pipe 13；
Gas circuit is to turn on when the coil is energized, i.e. A mouthfuls is connected with B mouthfuls, B mouthfuls and C mouthfuls disconnections, at this time air cavity on venthole 5 and first
Room 9 connects, and is equivalent to gas chamber 9 on first and is connected with gas chamber on second 10, the stress between main piston 3 and air pressure inside is anti-
Area of section increase is rushed, so as to which the reaction force that tip-lever support 19 is subject to increases, recovers the double infection of foot pedal.
The enlarged diameter section of the main piston 3 and the outside of piston barrel 8 are cased with sealing ring, and sealing ring can be by plunger shaft
Inside is separated on first gas chamber 10 in gas chamber 9 and second, wherein, on first gas chamber 9 by main piston 3 major diameter
The side wall at end, piston barrel 8 and plunger shaft forms, and gas chamber 10 is made of piston barrel 8, plunger shaft and upper valve 2 on second.
The larger diameter end of the main piston 3 is equipped with annular notch along its periphery, and baffle ring 17, baffle ring are equipped in annular notch
17 top is equipped with the opening clamp spring 18 mutually assembled with the inner wall of the plunger shaft, and opening clamp spring 18 is used to limit baffle ring 17
Position, baffle ring 17 are used to carry out /V to main piston 3, ensure that main piston 3 can stablize the inside for being installed on plunger shaft.
The internal activity of the main piston 3 is equipped with tip-lever support 19, passes through rubber between the end of tip-lever support 19 and main piston 3
Glue spring 20 connects, and brake pedal plate generates downward movement by top rod driving tip-lever support 19, and tip-lever support 19 passes through rubber spring
20 elastic force that main piston 3 is forced to overcome return spring 21 move downward；The larger diameter end of the main piston 3 and first ladder
Return spring 21 is equipped between the bottom in hole 6, and the internal diameter of return spring 21 is more than the diameter of the piston barrel 8.
The operation principle of the present invention is as follows：
When automobile is under the operating status of heavily loaded high speed, driver is when carrying out skidding, it is necessary to brake foot-operated
The characteristics of feel of plate is light, brake response is fast, electromagnetic gas valve 11 is off, at this point, mutually disconnected between A mouthfuls and B mouthfuls
It opens, B mouthfuls connect with C mouthfuls, and driver steps on foot pedal and braked, and foot pedal forces main piston 3 to overcome back by tip-lever support 19
The elastic force of position spring 21 generates downward movement, and during being somebody's turn to do, the gas on first inside gas chamber 9 is subject to the big straight of main piston 3
After footpath side pressure is compeled, 9 internal gas of gas chamber is emitted into through C mouthfuls in air by second pipe 13 on first, and main piston 3 is small
Diameter end promotes upper valve 2, and the intake valve port d of upper valve 2 is opened at this time, and exhaust valve port e is closed, the compressed gas warp of air accumulator
The air admission hole 4 of upper valve body 1 is to the inside for reaching gas chamber 10 on second, and the gas of gas chamber 10 is through stomata f to outlet on second
Hole 5, venthole 5 reach each wheel cylinder of rear braking, and wheel cylinder carries out skidding, with the air pressure inside gas chamber 10 on second
It gradually rising, air pressure generates recoil active force to the stress section of piston barrel 8, because the stress area of section of piston barrel 8 is small,
Under identical air pressure inside state, the recoil active force that main piston 3 is subject to is small, so as to reach the foot that driver steps on foot pedal
The lighter purpose of sense；Furthermore it is inflated through air admission hole 4 to the inside of gas chamber on second 10, when main piston 3 is pushed up in air pressure upwards
When active force is equal with the precompression of rubber spring 20, main piston 3 starts to go back up to the equilibrium-like of intake valve port d closings upwards
State, since the 8 stress area of section of piston barrel inside gas chamber 10 on second is small, it is necessary to gas on second inside gas chamber 10
Pressure higher can be only achieved equilibrium state, i.e., for rear braking brake gas circuit air pressure higher, it is achieved thereby that skidding
Reaction speed is sensitiveer, the shorter effect of braking distance, reduces the muscle power output of driver；
When automobile is under unloaded or underloading low-speed run state, driver when carrying out skidding, it is necessary to
The feel weight of brake pedal plate, and it is of less demanding to brake response, at this point, A mouthfuls and B by electromagnetic gas valve 11 in an ON state
It is mutually connected between mouthful, B mouthfuls are stepped on foot pedal and braked with C mouthfuls of disconnections, driver, and foot pedal forces master by tip-lever support 19
Piston 3 overcomes the elastic force of return spring 21 to generate downward movement, and the smaller diameter end of main piston 3 promotes upper valve 2, at this time upper valve
2 intake valve port d is opened, and exhaust valve port e is closed, and air admission hole 4 of the compressed gas through upper valve body 1 of air accumulator is to reaching on second
The inside of gas chamber 10, the gas of gas chamber 10 reaches each point of rear braking through stomata f to venthole 5, venthole 5 on second
Pump, meanwhile, the gas inside venthole 5 enters to air cavity on first through first pipe 12, electromagnetic gas valve 11 and second pipe 13
Room 9, as the air pressure in gas chamber 9 and second on first inside gas chamber 10 gradually rises, piston barrel 8 and main piston at this time
3 larger diameter end is subject to the recoil active force of air pressure inside, due to piston barrel 8 at this time and the larger diameter end of main piston 3
It is stress recoil section, the area increase in stress recoil section, under equal air pressure conditions, main piston 3 is subject to air pressure
Recoil active force bigger, and driver steps on foot pedal with heavier feel at this time, to be adapted to current driving states.
Any one skilled in the art in the technical scope disclosed by the present invention, can readily occur in variation or
It replaces, should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the guarantor described in claim
It protects subject to scope.
Claims (8)
1. a kind of brake main valve for adapting to the different convertible gas circuits of road conditions, including upper valve body and the upper work being assemblied in inside upper valve body
Door, the upper valve body are equipped with air admission hole and venthole, which is characterized in that the inside of the upper valve body offers plunger shaft, piston
Chamber be set to stepped cavity and stepped cavity mounted inside there is main piston, stepped cavity to include superposed first stepped hole and be located under
Second stepped hole in portion, the main piston are set to ladder circle column structure, the enlarged diameter section of main piston and the first stepped hole phase
Match somebody with somebody, the end of reduced diameter section is corresponding with the end of the upper valve and reduced diameter section is equipped with what is matched with the second stepped hole
Piston barrel；Gas chamber, opposite side and work on first are formed between the one side of the piston barrel and the larger diameter end of main piston
Gas chamber on second is formed between the bottom of plug chamber, is connected on second between gas chamber and venthole by stomata；Described first
It is connected between upper gas chamber and venthole by pipeline, and pipeline is equipped with air valve switch.
2. the brake main valve according to claim 1 for adapting to the different convertible gas circuits of road conditions, which is characterized in that the pipeline
Including first pipe and second pipe, one end of the first pipe is connected by the first gas nozzle with the venthole, the other end
It is connected with the air inlet of electromagnetic gas valve；One end of the second pipe is connected by the second gas nozzle with gas chamber on described first,
The other end is connected with the gas outlet of electromagnetic gas valve.
3. the brake main valve according to claim 1 for adapting to the different convertible gas circuits of road conditions, which is characterized in that the main work
The enlarged diameter section of plug and the outside of piston barrel are cased with sealing ring.
4. the brake main valve according to claim 1 for adapting to the different convertible gas circuits of road conditions, which is characterized in that the main work
The larger diameter end of plug is equipped with annular notch along its periphery, and baffle ring is equipped in annular notch, and the top of baffle ring is equipped with and the work
The opening clamp spring that the inner wall of plug chamber mutually assembles.
5. the brake main valve according to claim 1 for adapting to the different convertible gas circuits of road conditions, which is characterized in that the main work
The internal activity of plug is equipped with tip-lever support, is connected between the end of tip-lever support and the main piston by rubber spring.
6. the brake main valve according to claim 1 for adapting to the different convertible gas circuits of road conditions, which is characterized in that the main work
Return spring is equipped between the bottom of the larger diameter end of plug and first stepped hole, and the internal diameter of return spring is more than the work
The outer diameter of plug tube body.
7. the brake main valve according to claim 1 for adapting to the different convertible gas circuits of road conditions, which is characterized in that the air valve
Switch is set to Manual gas valve or electromagnetic gas valve.
8. the brake main valve according to claim 7 for adapting to the different convertible gas circuits of road conditions, which is characterized in that the electromagnetism
Air valve is DH261 type electromagnetic gas valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711406151.7A CN108099888A (en) | 2017-12-22 | 2017-12-22 | A kind of brake main valve for adapting to the different convertible gas circuits of road conditions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711406151.7A CN108099888A (en) | 2017-12-22 | 2017-12-22 | A kind of brake main valve for adapting to the different convertible gas circuits of road conditions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108099888A true CN108099888A (en) | 2018-06-01 |
Family
ID=62212415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711406151.7A Pending CN108099888A (en) | 2017-12-22 | 2017-12-22 | A kind of brake main valve for adapting to the different convertible gas circuits of road conditions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108099888A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109305156A (en) * | 2018-09-30 | 2019-02-05 | 浙江万安科技股份有限公司 | EPB valve assembly and EPB electronic brake system with internal respiration structure |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1081645A (en) * | 1965-03-12 | 1967-08-31 | Westinghouse Bremsen Und App B | Fluid operable valves |
| US4773447A (en) * | 1986-06-25 | 1988-09-27 | Nippon Air Brake Co., Ltd. | Electromagnetic valve |
| US4923027A (en) * | 1986-12-25 | 1990-05-08 | Honda Giken Kogyo Kabushiki Kaisha | Rear wheel brake operating system for motorcycle |
| DE19536610A1 (en) * | 1995-09-30 | 1997-04-03 | Teves Gmbh Alfred | Plastics piston for master cylinder in motor vehicle brake systems |
| DE10139757A1 (en) * | 2000-09-14 | 2002-05-29 | Wabco Gmbh & Co Ohg | Trailer brake valve for trailer vehicles with electronic brake control and enhanced security of the parked trailer |
| US20030020033A1 (en) * | 2001-07-25 | 2003-01-30 | Chia-Ping Wang | Solenoid gas valve |
| CN101249826A (en) * | 2007-05-08 | 2008-08-27 | 傅晓辉 | Relay valve |
| CN202827549U (en) * | 2012-10-28 | 2013-03-27 | 陈槐 | Brake master pump capable of automatically switching light load and heavy load |
| DE102013205293A1 (en) * | 2012-03-30 | 2013-10-02 | Advics Co.,Ltd. | Vehicle brake device |
| US20150069828A1 (en) * | 2012-05-25 | 2015-03-12 | Toyota Jidosha Kabushiki Kaisha | Pressure regulator and hydraulic brake system equipped with the pressure regulator |
| WO2016026616A1 (en) * | 2014-08-22 | 2016-02-25 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Method for controlling a motor vehicle service brake device and service brake valve device for said type of service brake device |
| CN207670396U (en) * | 2017-12-22 | 2018-07-31 | 易孝威 | A kind of brake main valve adapting to the different convertible gas circuits of road conditions |
-
2017
- 2017-12-22 CN CN201711406151.7A patent/CN108099888A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1081645A (en) * | 1965-03-12 | 1967-08-31 | Westinghouse Bremsen Und App B | Fluid operable valves |
| US4773447A (en) * | 1986-06-25 | 1988-09-27 | Nippon Air Brake Co., Ltd. | Electromagnetic valve |
| US4923027A (en) * | 1986-12-25 | 1990-05-08 | Honda Giken Kogyo Kabushiki Kaisha | Rear wheel brake operating system for motorcycle |
| DE19536610A1 (en) * | 1995-09-30 | 1997-04-03 | Teves Gmbh Alfred | Plastics piston for master cylinder in motor vehicle brake systems |
| DE10139757A1 (en) * | 2000-09-14 | 2002-05-29 | Wabco Gmbh & Co Ohg | Trailer brake valve for trailer vehicles with electronic brake control and enhanced security of the parked trailer |
| US20030020033A1 (en) * | 2001-07-25 | 2003-01-30 | Chia-Ping Wang | Solenoid gas valve |
| CN101249826A (en) * | 2007-05-08 | 2008-08-27 | 傅晓辉 | Relay valve |
| DE102013205293A1 (en) * | 2012-03-30 | 2013-10-02 | Advics Co.,Ltd. | Vehicle brake device |
| US20150069828A1 (en) * | 2012-05-25 | 2015-03-12 | Toyota Jidosha Kabushiki Kaisha | Pressure regulator and hydraulic brake system equipped with the pressure regulator |
| CN202827549U (en) * | 2012-10-28 | 2013-03-27 | 陈槐 | Brake master pump capable of automatically switching light load and heavy load |
| WO2016026616A1 (en) * | 2014-08-22 | 2016-02-25 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Method for controlling a motor vehicle service brake device and service brake valve device for said type of service brake device |
| CN207670396U (en) * | 2017-12-22 | 2018-07-31 | 易孝威 | A kind of brake main valve adapting to the different convertible gas circuits of road conditions |
Non-Patent Citations (2)
| Title |
|---|
| 吕葆华;岳玉玲;赵忠初;: "能自动转换的汽车制动紧急继动阀", 汽车与配件, no. 39, pages 60 * |
| 陈燎;谭毓彬;盘朝奉;: "一种电动汽车电液制动促动系统", 河南科技大学学报(自然科学版), no. 03 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109305156A (en) * | 2018-09-30 | 2019-02-05 | 浙江万安科技股份有限公司 | EPB valve assembly and EPB electronic brake system with internal respiration structure |
| CN109305156B (en) * | 2018-09-30 | 2024-05-14 | 浙江万安科技股份有限公司 | EPB valve assembly with internal respiration structure and electronic parking brake system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108162943B (en) | The compound line control brake system and its brake control method of four-wheel pressure independent control | |
| CN107697053B (en) | A kind of recycling of braking energy of electric automobiles and reutilization system | |
| CN104943672A (en) | Hydraulic brake system and method with double hydraulic cylinder four-wheel failure backup | |
| CN103118914B (en) | Method for the hydraulic brake system of operational vehicle and the control setup for this system | |
| CN105813911A (en) | Hydraulic brake system and method for operating a hydraulic brake system | |
| KR20140134016A (en) | Integrated braking system | |
| US8261546B1 (en) | Dead stroke reduction valve | |
| CN207670396U (en) | A kind of brake main valve adapting to the different convertible gas circuits of road conditions | |
| CN113788000B (en) | Fully-decoupled electro-hydraulic servo brake system | |
| CN108099888A (en) | A kind of brake main valve for adapting to the different convertible gas circuits of road conditions | |
| WO2005000655A3 (en) | Servo motor with reduced slack and brake system comprising such a servo motor | |
| CN204870978U (en) | Hydraulic braking system with two pneumatic cylinder four -wheels lost efficacy sparely | |
| US20190031279A1 (en) | Hydraulic operating system | |
| CN103148122A (en) | Clutch master pump and clutch assembly equipped with clutch master pump | |
| CN207842917U (en) | A kind of automatically controlled emergency braking system for pneumatic brake | |
| CN203214707U (en) | Clutch master pump and clutch assembly provided with same | |
| CN114834410B (en) | Air spring type automobile brake pedal feeling simulator and control method | |
| CN203384252U (en) | Air pressure assistance clutch pump assembly | |
| CN101870289B (en) | Flexible brake power-assisted relay valve | |
| US20190077386A1 (en) | Braking device for vehicle | |
| CN106004841A (en) | Braking method for vehicle boost baking device | |
| KR102339516B1 (en) | Brake system for an automobile | |
| CN211592532U (en) | Diaphragm device for double-diaphragm vacuum booster | |
| CN2645987Y (en) | Automobile air brake valve | |
| CN107139911A (en) | A kind of intelligent master cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180601 |
|
| RJ01 | Rejection of invention patent application after publication |