CN102493878B - Exhausting brake valve for automobile and automobile - Google Patents
Exhausting brake valve for automobile and automobile Download PDFInfo
- Publication number
- CN102493878B CN102493878B CN201110392054.3A CN201110392054A CN102493878B CN 102493878 B CN102493878 B CN 102493878B CN 201110392054 A CN201110392054 A CN 201110392054A CN 102493878 B CN102493878 B CN 102493878B
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- Prior art keywords
- cylinder
- plunger case
- valve
- acting cylinder
- exhaust braking
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- 230000000694 effects Effects 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 3
- 206010061688 Barotrauma Diseases 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 241000294743 Gamochaeta Species 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008717 functional decline Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/04—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning exhaust conduits
- F02D9/06—Exhaust brakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
- F02D11/08—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the pneumatic type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1409—Characterised by the construction of the motor unit of the straight-cylinder type with two or more independently movable working pistons
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
An exhausting brake valve for an automobile engine comprises a valve body, an air cylinder and a rocker arm. The air cylinder consists of a plunger-type cylinder and a single-acting cylinder, the plunger-type cylinder can directly transfer thrust to a piston of the single-acting cylinder, and a push rod of the single-acting cylinder extends out of an air cylinder casing and hinged to the rocker arm. The exhausting brake valve for the automobile has the advantages of being small in appearance geometric dimension, convenient to install, low in maintenance cost and the like.
Description
Technical field
The present invention is a kind of auxiliary brake of vehicle, particularly relates to a kind of type exhaust brake valve for motor car engine.
Background technique
Motor car engine braking system is one of important device of present vehicle safety travel.When vehicle need to slow down particularly in mountain area or when city bus needs frequent braking, if frequently use service brake, will cause wheel drag overheated and make braking function decline, as take emergency measures not in time (stopping cooling), even can cause braking total failure and the vehicle condition of causing danger.So adopt without decline property auxiliary braking system and be very important for this situation.Use complemental brake system can strengthen the braking ability of vehicle, do not need use or use less break (traditional friction brake) just vehicle can be controlled within the scope of certain safety speed, prevention car brakeing is malfunctioning, guarantee traffic safety, particularly strengthen the Security of heavy-duty vehicle lower long slope.Use retarder can reduce significantly the frequency of utilization of main Service Brake (friction brake) simultaneously, thereby reduce the wearing and tearing of foundation brakes brake hub and friction plate, improve its working life, extend the service cycle of foundation brakes simultaneously, reduce maintenance cost, improve Security and the travelling comfort of driving, reduce driver's fatigue, increase work efficiency.
In the auxiliary brake device for automobile using at present, exhaust brake is simple in structure because of it, reliable performance, and easily operation, easy for installation, and it also obtained widely and used as a kind of complemental brake system.The single-acting cylinder of exhaust braking valve of the prior art and plunger case adopt Split type structure, all parts independently, plunger case is positioned at the output terminal of single-acting cylinder, plunger case and rocking arm are hinged, cause manufacture and maintenance cost too high, change inconvenience, the physical dimension of brake valve is excessive, and the problems such as difficulty are installed.
No. 201120077377.9 Chinese utility model patents are used for the constant pressure type exhaust butterfly valve of generator auxiliary braking, and it has a plunger case assembly and a single-acting cylinder, and the two connects, and plunger case assembly and rocking arm are hinged.The plunger case assembly of this exhaust butterfly valve and single-acting cylinder are two separated separate parts, link together.Because plunger case is separated with single-acting cylinder, long term exposure outside, includes piston and constant force spring in plunger case.Like this, easily corrosion and aging of constant force spring and piston in plunger case.And, in the scheme of this model utility, with rocking arm hinged be plunger case assembly, general assembly more complicated, the bad control of stroke, the easy like this valve block that causes cannot be closed or close too early, just cannot meet pressure-keeping functions.
Summary of the invention
The object of this invention is to provide a kind of type exhaust brake valve for motor car engine, there is the advantages such as profile physical dimension is little, easy for installation, maintenance cost is low, long service life.
A kind of exhaust braking valve for motor car engine, comprise valve body, cylinder and rocking arm, cylinder is comprised of plunger case and single-acting cylinder, plunger case connects single-acting cylinder, plunger case can be directly passed to thrust single-acting cylinder piston, the push rod of single-acting cylinder stretches out outside described cylinder shell, and hinged with rocking arm.
Preferably, described cylinder is by plunger case and single-acting cylinder group all-in-one-piece structure.
Preferably, plunger case comprises one-way valve, and the suction port of described cylinder is communicated with one-way valve, and suction port is positioned on described cylinder the one end away from push rod.
Preferably, described cylinder is fixed on supporting plate, and supporting plate and valve body have the structure of one.
Preferably, also can replace directly hinged mode of the push rod of described single-acting cylinder and rocking arm by following mode, the push rod of described single-acting cylinder and clevis one end are fixed, and the other end and the rocking arm of clevis are hinged.
Preferably, make cylinder shell of the present invention through Quenching Treatment.
Preferably, in described Quenching Treatment, comprise the step that it is heated in vacuum furnace to approximately 200 degrees Celsius.
Preferably, after above-mentioned steps, workpiece is taken out from stove, insert density of carbon dioxide gas higher than in more than 90% atmosphere.
Preferably, again put into vacuum furnace reach approximately 97 degrees Celsius in described atmosphere after, be heated to approximately 500 degrees Celsius, after taking out, in the Normal Atmospheric Temperature Liquid that contains 1% above heavy metal, be dipped into natural temperature from stove.
Experiment showed, the part through above-mentioned processing or above-mentioned processing, cylinder strength nearly improves 7 percent to ten, nearly improves 9 percent to 13 fatigue life, and in load facility, reducing noise approximately 8 percent to nine.
Preferably, during exhaust brake, thereby when the exhaust gas pressure of motor discharge opens valve block over certain threshold value, single-acting cylinder piston and plunger case piston are drawn back, single-acting cylinder return spring and plunger case return spring change amount of deformation, play constant voltage effect; When exhaust brake is removed, single-acting cylinder piston and plunger case piston be return under the elastic force effect of single-acting cylinder return spring and plunger case return spring respectively.
Preferably, cylinder also comprises limit structure, for limiting the stroke of plunger case piston.
Preferably, described limit structure is flange.
Beneficial effect:
Outlet valve is not subject to the impact of cylinder force when closing: exhaust brake is when work, the air pressure of closing too busy to get away cylinder of valve block promotes piston, after novel outlet valve, piston has two springs, the pressure while can constant cylinder closing, and valve block is all that flexibility is closed.And exhaust valve closure on market is all the effects of air pressure that is subject to car load, when air pressure is large it just to close power just large, often energetically close outlet valve, just easily damage too early.
Reduce the strength of dunnage: the work of outlet valve is closed through being everlasting and opens exactly, it is due to dunnage fracture that the outlet valve on present market has most of damage.
Because plunger case assembly is arranged in single-acting cylinder, the piston in plunger case and constant force spring have corrosion protection and anti-aging function.
Owing to having replaced plunger case assembly and rocking arm hinged with single-acting cylinder, so general assembly is simplified, Stroke Control is also easy to realize, and has avoided valve block to close or to close too early, has met better pressure-keeping functions.
The present invention also has that brake rigging efficiency is high, reliable transmission, without features such as dead point, sensitivity height.
The invention still further relates to the automobile having adopted according to exhaust braking valve of the present invention.
Accompanying drawing explanation
Fig. 1 represents according to the profile outline of a preferred embodiment of exhaust braking valve of the present invention;
Fig. 2 represents the cylinder sectional drawing according to exhaust braking valve of the present invention.
Embodiment
As illustrated in fig. 1 and 2, the output terminal push rod 8 of cylinder 2 connects in clevis 3, the rotating hinged Rocker arm 4 of clevis 3 one end; the other end of Rocker arm 4 is fixedly connected with rotating shaft 5; rotating shaft 5 runs through valve body 6 and valve block 7; valve block 7 can be around rotating shaft 5 in the interior rotation of valve body 6; rotating shaft 5 is with respect to disalignment one segment distance of valve block 7; supporting plate 1 and valve body 6 have integrative-structure; or supporting plate 1 is fixed on valve body 6; and cylinder 2 is fixed on supporting plate 1, and rotating shaft 5 deviates from the prolongation straight line of the output terminal push rod 8 of cylinder 2.
Cylinder 2 has suction port 16 away from one end of push rod 8, and cylinder 2 is comprised of plunger case and single-acting cylinder, has the structure of one, in cylinder 2, near suction port 16 be plunger case, plunger case connects single-acting cylinder, the push rod 8 of single-acting cylinder stretches out cylinder 2.Plunger case comprises plunger case piston 13, single-acting valve 15, single-acting valve spring 14, plunger case push rod 11 and plunger case return spring 12, suction port 16 is communicated with single-acting valve 15, single-acting valve 15 is positioned on plunger case piston 13, between single-acting valve 15 and plunger case piston 13, there is single-acting valve spring 14, the effect of plunger case return spring 12 is can be to plunger case piston 13 returns, the more important thing is, when exhaust brake, plunger case return spring 12 affects the power that valve block 7 is opened, and namely affects the threshold value of engine exhaust pressure.
Single-acting cylinder comprises push rod 8, single-acting cylinder piston 10 and single-acting cylinder return spring 9, plunger case return spring 12 one end act on single-acting cylinder piston 10, the other end acts on the spring pressuring plate of plunger case, spring pressuring plate is resisted against single-acting cylinder piston 10 or omits spring pressuring plate, acts on (accompanying drawing is not shown) on plunger case piston 13.Single-acting cylinder piston 10 has groove, for dodging the motion of plunger case push rod 11.
Effect is preferably another kind of, and push rod 8 is direct and Rocker arm 4 is hinged.
Preferred as another kind, plunger case can omit plunger case push rod 11, and now, single-acting cylinder piston can not need groove.And at this moment, can comprise the above-mentioned situation with spring pressuring plate, can certainly comprise the above-mentioned situation without spring pressuring plate.
Preferred as another, plunger case also can not comprise one-way valve.
Preferred as another, cylinder 2 comprises a limit structure, on the inwall circumference of cylinder 2, has flange 17, for limiting the stroke of plunger case piston 13.This limit structure tool has the following advantages: (1) valve block 7 is not subject to the impact of cylinder force when closing: exhaust brake is when work, the suction port of closing too busy to get away cylinder 2 16 air pressure of valve block 7 promote plunger case pistons 13, when plunger case piston 13 moves to flange, the position of plunger case piston is limited by flange 17, can not move on again, preferably these flange 17 positions can corresponding valve block closed position just in time, the air pressure size of suction port is closed not impact to outlet valve valve block like this, valve block just can bear constant power like this, pressure when constant cylinder is closed, valve block is all that flexibility is closed, and exhaust valve closure of the prior art is all the effects of air pressure that is subject to car load, when air pressure is large, it just closes power just greatly, often energetically close outlet valve, just easily damage too early.(2) reduce the strength of dunnage: the work of valve block 7 is closed through being everlasting and opens exactly, it is due to dunnage fracture that the outlet valve of prior art has most of damage.
Working principle: when normal driving, cylinder body suction port 16 does not have air inlet, and valve block 7 is opened, and engine exhaust normally discharges, and exhaust brake is work not; While needing exhaust brake, make 16 air inlets of cylinder body suction port, air pressure promotes one-way valve 15 and check valve spring 14, and plunger case piston 13 moves forward, promotes plunger case push rod 11 and plunger case return spring 12 and moves forward.When plunger case push rod 11 promotes single-acting cylinder piston 10, go ahead again, promote push rod 8, the air pressure of cylinder ante-chamber is discharged in atmosphere with push rod 8 places.Now, cylinder 2 is by push rod 8 output movements, and push rod 8 promotes clevis 3, makes Rocker arm 45 motions around the shaft, and rotating shaft 5 band moving valve plates 7 are closed, and engine exhaust is obstructed, and exhaust brake is started working, when the exhaust gas pressure of motor discharge has surpassed certain threshold value, because rotating shaft 5 is offset from the center line of valve block 7, the stressed difference in both sides of valve block 7, when reaching certain threshold value, the pressure difference of both sides is opened valve block 7, valve block 7 passes to Rocker arm 4 by thrust from rotating shaft 5, on push rod 8, the thrust of single-acting cylinder piston 10 opposing plunger case return springs 12 retreats, now valve block 7 is opened and is discharged the pressure waste gas that exceeds certain threshold value, when threshold value that the waste gas of motor is set lower than cylinder, valve block 7 can automatically be closed under the effect of plunger case return spring 12, make exhaust brake keep pressure, after brake off, close suction port 16 air pressure, plunger case piston 13 and single-acting cylinder piston 10 are back moved by spring force, and now the air pressure of cylinder is discharged from check valve spring 14, one-way valve 15 and suction port 16.Brake valve restPoses.
Described herein is exemplary preferred embodiment of the present invention; and the preferred embodiments of the present invention of having used concrete term description; but this description is only for example object; those skilled in the art should be noted that disclosed by the invention is only example; and be to be understood that; can make various changes and variation, and not depart from the protection domain of the claims in the present invention.
Exhaust braking valve of the present invention has comprised each technological scheme that the combination in any of each part mentioned above forms, and as space is limited, inconvenience here exemplifies one by one.
Those skilled in the art are understood that, the present invention is improvements over the prior art, its each component part is also comprising a large amount of prior aries, yet, these prior aries combinations are formed to technological scheme of the present invention, this inventor's of condensing hard creative work, comprises large quantity research and experiment.
Claims (12)
1. the exhaust braking valve for automobile, comprise valve body, cylinder and rocking arm, it is characterized in that: cylinder is comprised of plunger case and single-acting cylinder, plunger case can be directly passed to thrust single-acting cylinder piston, the push rod of single-acting cylinder stretches out outside described cylinder shell, and is connected with rocking arm is rotatable; Single-acting cylinder piston has groove, for dodging the motion of plunger case push rod, in cylinder, near suction port be plunger case, plunger case connects single-acting cylinder.
2. exhaust braking valve as claimed in claim 1, is characterized in that: described cylinder is by plunger case and single-acting cylinder group all-in-one-piece structure.
3. exhaust braking valve as claimed in claim 1 or 2, is characterized in that: plunger case comprises one-way valve, and the suction port of described cylinder is communicated with one-way valve, and suction port is positioned on described cylinder the one end away from push rod.
4. exhaust braking valve as claimed in claim 1 or 2, it is characterized in that: by following mode, replace directly hinged mode of the push rod of described single-acting cylinder and rocking arm, the push rod of described single-acting cylinder and clevis one end are fixed, and the other end and the rocking arm of clevis are hinged.
5. exhaust braking valve as claimed in claim 3, it is characterized in that: by following mode, replace the push rod of described single-acting cylinder and the mode that rocking arm is rotatably connected, the push rod of described single-acting cylinder and clevis one end are fixed, and the other end and the rocking arm of clevis are hinged.
6. the exhaust braking valve as described in claim 1,2 or 5, is characterized in that: described cylinder is fixed on supporting plate, and supporting plate and valve body have the structure of one.
7. exhaust braking valve as claimed in claim 3, is characterized in that: described cylinder is fixed on supporting plate, and supporting plate and valve body have the structure of one.
8. exhaust braking valve as claimed in claim 4, is characterized in that: described cylinder is fixed on supporting plate, and supporting plate and valve body have the structure of one.
9. exhaust braking valve as claimed in claim 1, it is characterized in that: during exhaust brake, thereby when the exhaust gas pressure of motor discharge opens valve block over certain threshold value, single-acting cylinder piston and plunger case piston are drawn back, single-acting cylinder return spring and plunger case return spring change amount of deformation, play constant voltage effect; When exhaust brake is removed, single-acting cylinder piston and plunger case piston be return under the elastic force effect of single-acting cylinder return spring and plunger case return spring respectively.
10. the exhaust braking valve as described in claim 1,3 or 9, is characterized in that: cylinder also comprises limit structure, for limiting the stroke of plunger case piston.
11. exhaust braking valves as claimed in claim 10, is characterized in that: described limit structure is flange.
12. vehicles, have exhaust braking valve, it is characterized in that: described exhaust braking valve is the exhaust braking valve described in above-mentioned arbitrary claim.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110392054.3A CN102493878B (en) | 2011-12-01 | 2011-12-01 | Exhausting brake valve for automobile and automobile |
| EP12852543.3A EP2787199B1 (en) | 2011-12-01 | 2012-02-13 | Exhaust brake valve for automobile and automobile |
| PCT/CN2012/071044 WO2013078785A1 (en) | 2011-12-01 | 2012-02-13 | Exhaust brake valve for automobile and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110392054.3A CN102493878B (en) | 2011-12-01 | 2011-12-01 | Exhausting brake valve for automobile and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102493878A CN102493878A (en) | 2012-06-13 |
| CN102493878B true CN102493878B (en) | 2014-09-10 |
Family
ID=46185730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110392054.3A Active CN102493878B (en) | 2011-12-01 | 2011-12-01 | Exhausting brake valve for automobile and automobile |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2787199B1 (en) |
| CN (1) | CN102493878B (en) |
| WO (1) | WO2013078785A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976251A (en) * | 2015-07-29 | 2015-10-14 | 安徽江淮汽车股份有限公司 | Exhaust-assisted brake |
| CN108301929A (en) * | 2018-03-08 | 2018-07-20 | 东风商用车有限公司 | A kind of exhaust brake valve |
| CN108317013B (en) * | 2018-03-08 | 2024-01-02 | 东风商用车有限公司 | Exhaust brake valve of engine |
| CN114704632A (en) * | 2022-04-14 | 2022-07-05 | 一汽解放汽车有限公司 | Mechanical automatic transmission clutch execution system and vehicle |
| CN115289215A (en) * | 2022-07-05 | 2022-11-04 | 一汽解放汽车有限公司 | Automatic transmission pneumatic system and automatic transmission |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201916014U (en) * | 2011-01-25 | 2011-08-03 | 瑞立集团瑞安汽车零部件有限公司 | Operating cylinder of exhaust brake valve of automobile engine |
| CN201982180U (en) * | 2011-03-23 | 2011-09-21 | 济南百惠汽车零部件有限责任公司 | Constant-pressure exhaust braking butterfly valve for auxiliary braking of engine exhaust |
| CN202338400U (en) * | 2011-12-01 | 2012-07-18 | 瑞立集团瑞安汽车零部件有限公司 | Automobile and gas exhaust brake valve for automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2072265A (en) * | 1980-03-14 | 1981-09-30 | Exhaust Brake Sales & Services | An Exhaust Brake Valve Assembly |
| JPS626440U (en) * | 1985-06-26 | 1987-01-16 | ||
| JPH07208408A (en) * | 1994-01-28 | 1995-08-11 | Fuji Oozx Inc | Single acting type fluid-pressure cylinder device |
| JPH08246905A (en) * | 1995-03-10 | 1996-09-24 | Hino Motors Ltd | Exhaust gas recirculation system of engine for vehicle |
| JPH08303261A (en) * | 1995-04-28 | 1996-11-19 | Jidosha Kiki Co Ltd | Control cylinder for exhaust brake device |
| JPH094476A (en) * | 1995-06-21 | 1997-01-07 | Jidosha Kiki Co Ltd | Exhaust brake device |
| SE511633C2 (en) * | 1996-11-22 | 1999-11-01 | Volvo Lastvagnar Ab | Fluid driven actuator and use thereof |
| DE19716564A1 (en) * | 1997-04-19 | 1998-10-22 | Technomatik Maschinenelemente | Air cylinder |
| JPH11200959A (en) * | 1998-01-13 | 1999-07-27 | Isuzu Motors Ltd | Egr valve structure |
| DE102008010658B4 (en) * | 2008-02-22 | 2010-08-19 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Exhaust gas control system and emission control method |
| CN102052159A (en) * | 2010-12-21 | 2011-05-11 | 芜湖盛力制动有限责任公司 | Waste gas braking butterfly valve of braking system for automobile and engineering machinery |
-
2011
- 2011-12-01 CN CN201110392054.3A patent/CN102493878B/en active Active
-
2012
- 2012-02-13 EP EP12852543.3A patent/EP2787199B1/en not_active Not-in-force
- 2012-02-13 WO PCT/CN2012/071044 patent/WO2013078785A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201916014U (en) * | 2011-01-25 | 2011-08-03 | 瑞立集团瑞安汽车零部件有限公司 | Operating cylinder of exhaust brake valve of automobile engine |
| CN201982180U (en) * | 2011-03-23 | 2011-09-21 | 济南百惠汽车零部件有限责任公司 | Constant-pressure exhaust braking butterfly valve for auxiliary braking of engine exhaust |
| CN202338400U (en) * | 2011-12-01 | 2012-07-18 | 瑞立集团瑞安汽车零部件有限公司 | Automobile and gas exhaust brake valve for automobile |
Non-Patent Citations (2)
| Title |
|---|
| JP特开平8-246905A 1996.09.24 |
| JP特开平9-4476A 1997.01.07 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102493878A (en) | 2012-06-13 |
| EP2787199A1 (en) | 2014-10-08 |
| EP2787199B1 (en) | 2018-07-18 |
| EP2787199A4 (en) | 2016-01-13 |
| WO2013078785A1 (en) | 2013-06-06 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An exhaust brake valve and its application in automobiles Granted publication date: 20140910 Pledgee: China Minsheng Banking Corp Wenzhou branch Pledgor: RUILI GROUP RUIAN AUTO PARTS Co.,Ltd. Registration number: Y2024980012628 |