CN107725133A - A kind of air valve bridge, valve actuating mechanism and engine - Google Patents
A kind of air valve bridge, valve actuating mechanism and engine Download PDFInfo
- Publication number
- CN107725133A CN107725133A CN201711046280.XA CN201711046280A CN107725133A CN 107725133 A CN107725133 A CN 107725133A CN 201711046280 A CN201711046280 A CN 201711046280A CN 107725133 A CN107725133 A CN 107725133A
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- Prior art keywords
- air valve
- valve bridge
- pin
- sliding pin
- return springs
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- 230000000670 limiting effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
This application discloses a kind of air valve bridge, valve actuating mechanism and engine, wherein, air valve bridge includes air valve bridge body and performs pin, in addition to sliding pin and return springs；The middle part of the air valve bridge body is provided with mounting hole, and the return springs are mounted in the mounting hole；The sliding pin is installed in the mounting hole, and can be moved axially by axial limit structure in the spacing scope in the mounting hole；Elastic reaction is distinguished on the air valve bridge body and the sliding pin in the both ends of the return springs.Valve stroke compensation device is integrated on air valve bridge by the air valve bridge, and the compensation of valve stroke can be realized by air valve bridge.Valve stroke compensation device is integrated on air valve bridge, simplifies the structure of rocking arm, is reduced to valve spring or rocking arm as the requirement of foot.
Description
Technical field
The present invention relates to technical field of engines, more particularly to a kind of air valve bridge.Further relate to a kind of comprising the air valve bridge
Valve actuating mechanism and engine.
Background technology
The air distribution system of engine is to be used to ensure that engine opens and closes valve at correct time point, and is realized
The supply of engine fresh air and the system of the discharge of waste gas.Conventional four-valve engine is general corresponding to same cylinder
Including two inlet valves and two exhaust valves, valve (i.e. two inlet valves or two exhaust valves) of the same name typically uses whole distribution
The same valve actuating mechanism of system is driven.
Existing valve actuating mechanism mainly includes rocking arm, air valve bridge and back-moving spring, the valve stem of two valves of the same name
Head two end in contact with air valve bridge respectively, realize the active force of rocking arm to the transmission of valve.Air valve bridge is mainly by air valve bridge
Body and execution pin bank are into one end bottom of air valve bridge body is provided with air valve bridge bottom outlet, air valve bridge bottom outlet and one of gas
The head fits contact of door rod, the other end of air valve bridge body, which is provided with, performs pin, performs the head of pin and another valve stem
Coordinate contact, individually control valve opening can be realized by performing pin.
In the prior art, valve stroke compensation device is integrated generally in rocking arm, is changing the one of engine air valve lift
In a little applications (such as changeable air valve or engine braking), the compensation of valve stroke is completed by rocking arm, but by valve stroke
Compensation device social group requires harsh on rocking arm, to valve spring or rocking arm as sufficient, and structure is complex.
In summary, while how realizing valve stroke compensation, the complexity of rocking arm is reduced, is reduced to valve spring
With rocking arm as the requirement of foot, become those skilled in the art's urgent problem to be solved.
The content of the invention
In view of this, it is an object of the invention to provide a kind of air valve bridge, while valve stroke compensation is realized, to drop
The complexity of low rocking arm, reduce to valve spring and rocking arm as the requirement of foot.
It is another object of the present invention to provide a kind of valve actuating mechanism and engine comprising the air valve bridge, with
While realizing valve stroke compensation, the complexity of rocking arm is reduced, is reduced to valve spring and rocking arm as the requirement of foot.
To reach above-mentioned purpose, the present invention provides following technical scheme：
A kind of air valve bridge, including air valve bridge body and perform pin, in addition to sliding pin and return springs；The air valve bridge
The middle part of body is provided with mounting hole, and the return springs are mounted in the mounting hole；The sliding pin peace
Loaded in the mounting hole, and can be moved axially by axial limit structure in the spacing scope in the mounting hole；It is described
Elastic reaction is distinguished on the air valve bridge body and the sliding pin in the both ends of return springs.
Preferably, in above-mentioned air valve bridge, the mounting hole is shoulder hole, and one end of the return springs is connected to
On the inner face of the shoulder hole；The sliding pin passes through the shoulder hole；The sliding pin passes through one end of the shoulder hole
End face is provided with fixing hole；The axial limit structure includes：
The locating part being fixed in the fixing hole, the locating part are used for and institute close to one end of the air valve bridge body
State the spacing abutting in bottom surface of air valve bridge body；
The radial direction boss of one end of the remote locating part of the sliding pin is arranged at, the radial direction boss is close to valve
One end of bridge body is used for and the top surface of the air valve bridge is spacing contacts, and one end elastic reaction of the return springs is in described
One end of radial direction boss, the distance between the confined planes of the radial direction boss and the confined planes of the locating part are more than the valve
The distance between the top surface of bridge body and bottom surface.
Preferably, in above-mentioned air valve bridge, the locating part is stop screw, and the fixing hole is screwed hole, described
Stop screw is threadedly coupled with the screwed hole.
Preferably, in above-mentioned air valve bridge, the return springs are enclosed on the outside of the sliding pin.
Preferably, in above-mentioned air valve bridge, the sliding pin is tubular pin, and the return springs are placed on the tubular
The inside of pin, and one end elastic reaction of the return springs is on the inner face of tubular pin；The axial limit structure bag
Include：
The neck being arranged on the periphery wall of the tubular pin；
It is opened on the air valve bridge body and perpendicular to the hole clipping of the installation axially bored line, the hole clipping and the neck
Position correspondence；
Backing pin of the plugged and fixed in the hole clipping, and the backing pin is located in the neck, the sliding pin passes through card
Groove and backing pin axial limiting slide.
Preferably, in above-mentioned air valve bridge, the inner face of the mounting hole offers the connection mounting hole and outside
Oilhole.
Preferably, in above-mentioned air valve bridge, the return springs are back-moving spring.
Present invention also provides a kind of valve actuating mechanism, including air valve bridge and rocking arm, the air valve bridge is such as to take up an official post
Air valve bridge described in one, the rocking arm are used for top surface contact squeeze with the sliding pin of the air valve bridge as foot.
Present invention also provides a kind of engine, including air valve bridge, the air valve bridge is the gas as described in any of the above item
The raft of pontoons.
Compared with prior art, the beneficial effects of the invention are as follows：
Air valve bridge provided by the invention includes air valve bridge body, sliding pin and return springs, the centre of air valve bridge body
Position is provided with mounting hole, and return springs are mounted in mounting hole；Sliding pin is installed in mounting hole, and can pass through axle
Moved axially to position limiting structure in the spacing scope in mounting hole；Elastic reaction is distinguished in air valve bridge in the both ends of return springs
On body and sliding pin.Valve stroke compensation device is integrated on air valve bridge by the air valve bridge, during work, in rocking arm as foot is not pressed
During to sliding pin top surface, sliding pin can be in the position on most under the elastic force effect of return springs in air valve bridge body,
When rocking arm is pressed as foot, as foot overcomes the elastic force of return springs, press that sliding pin is descending, in the axial direction of axial limit structure
Under position-limiting action, sliding pin stopping is descending, continues to push as sufficient, drives whole air valve bridge to move downward, and then overcome valve bullet
Spring force, open valve.It can be seen that the application can realize the compensation of valve stroke by air valve bridge.By valve stroke compensation device collection
Into the structure on air valve bridge, simplifying rocking arm, reduce to valve spring or rocking arm as the requirement of foot.
Valve actuating mechanism and engine provided by the invention employ the air valve bridge in the application, therefore, reduce
The complexity of rocking arm, reduce to valve spring or rocking arm as the requirement of foot.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of structural representation of air valve bridge provided in an embodiment of the present invention；
Fig. 2 is a kind of exploded perspective view of air valve bridge provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of the first working condition of air valve bridge provided in an embodiment of the present invention；
Fig. 4 is a kind of structural representation of the second working condition of air valve bridge provided in an embodiment of the present invention；
Fig. 5 is the structural representation of another air valve bridge provided in an embodiment of the present invention；
Fig. 6 is the exploded perspective view of another air valve bridge provided in an embodiment of the present invention.
Embodiment
The core of the present invention there is provided a kind of air valve bridge, while valve stroke compensation is realized, reduce rocking arm
Complexity, reduce the requirement as foot to valve spring and rocking arm.
The present invention also provides a kind of valve actuating mechanism and engine comprising the air valve bridge, is mended realizing valve stroke
While repaying, the complexity of rocking arm is reduced, is reduced to valve spring and rocking arm as the requirement of foot.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-Fig. 2 is refer to, the embodiments of the invention provide a kind of air valve bridge, including air valve bridge body 1, execution pin 4, cunning
Dynamic pin 2 and return springs 3；Wherein, the middle part of air valve bridge body 1 is provided with mounting hole 11,3 spacing peace of return springs
Loaded in mounting hole 11；Sliding pin 2 is installed in mounting hole 11, and can be spacing in mounting hole 11 by axial limit structure
In the range of move axially, spacing scope is the uncompensation distance of valve stroke；Elastic reaction is distinguished in gas in the both ends of return springs 3
On raft of pontoons body 1 and sliding pin 2.
The operation principle and the course of work of the air valve bridge are as follows：Valve stroke compensation device is integrated in valve by the air valve bridge
On bridge, during work, as shown in figure 3, when rocking arm is not pressed onto 2 top surface of sliding pin as foot, bullet of the sliding pin 2 in return springs 3
Under power effect, and under the axial limiting effect of axial limit structure, sliding pin 2 is in air valve bridge body 1 on most
Position；As shown in figure 4, when rocking arm is pressed as foot, as foot overcomes the elastic force of return springs 3, it is descending to press sliding pin 2,
Axial limit structure axial limiting effect under, sliding pin 2 stop it is descending, now, as foot continue to push, drive whole air valve bridge
Move downward, and then overcome valve spring force, open valve.It can be seen that the application can realize the benefit of valve stroke by air valve bridge
Repay.Valve stroke compensation device is integrated on air valve bridge, simplifies the structure of rocking arm, reduce to valve spring or rocking arm as
The requirement of foot.
As Figure 1-Figure 4, a kind of specific sliding pin 2 and axial limit structure are present embodiments provided, wherein, installation
Hole 11 is the shoulder hole of insertion air valve bridge body 1, and one end of return springs 3 is connected on the inner face of shoulder hole；Sliding pin 2
Through shoulder hole；One end end face of sliding pin 2 through shoulder hole is provided with fixing hole 22；Axial limit structure includes locating part 5
With radial direction boss 21, wherein, locating part 5 is fixed in fixing hole 22, and locating part 5 is close to one end of air valve bridge body 1, i.e., spacing
The confined planes of part 5, for the bottom surface of air valve bridge body 1 is spacing abuts, continued to move up for limit slippage pin 2；Radially
Boss 21 is arranged at one end of the remote locating part 5 of sliding pin 2, and radial direction boss 21 is close to one end of air valve bridge body 1, i.e. radial direction
The confined planes of boss 21, for the top surface of air valve bridge body 1 is spacing contacts, continue to move down for limit slippage pin 2；It is multiple
One end elastic reaction of position elastic component 3 is in one end of radial direction boss 21, the confined planes of radial direction boss 21 and the confined planes of locating part 5
The distance between be more than the distance between top surface and bottom surface of air valve bridge body 1, the confined planes of radial direction boss 21 and locating part 5
The distance between confined planes subtract distance between the top surface of air valve bridge body 1 and ground, and obtained difference is valve stroke
Uncompensation distance.
Further, in the present embodiment, locating part 5 is stop screw, and fixing hole 22 is screwed hole, stop screw and spiral shell
Pit is threadedly coupled, the nut of stop screw with the bottom surface of air valve bridge body 1 is spacing contacts.Certainly, locating part 5 can also be slotting
Fixed rod member is connect, one end of rod member is provided with positive stop lug boss.
Further, in the present embodiment, return springs 3 are back-moving spring, and sliding pin 2 is T-shaped pin shaft structure, multiple
Position elastic component 3 is enclosed on the outside of sliding pin 2.
As shown in Figure 5 and Figure 6, another specific sliding pin 2 and axial limit structure are present embodiments provided, wherein,
Sliding pin 2 is tubular pin, and return springs 3 are placed on the inside of tubular pin, and one end elastic reaction of return springs 3 is in tubular
On the inner face of pin.
Axial limit structure includes neck 23, hole clipping 13 and backing pin 8.Wherein, neck 23 is arranged on the periphery wall of tubular pin
On；Hole clipping 13 is opened on air valve bridge body 1 and perpendicular to the axis of mounting hole 11, hole clipping 13 and the position correspondence of neck 23；
The plugged and fixed of backing pin 8 is in hole clipping 13, and backing pin 8 is located in neck 23, and sliding pin 2 passes through neck 23 and the axial limiting of backing pin 8
Sliding, i.e., backing pin 8 can relatively move with neck 23, and backing pin 8 is fixed, when sliding pin 2 moves up, the card on sliding pin 2
The lower wall surface of groove 23 with backing pin 8 is spacing contacts, limit slippage pin 2 continues to move up；When sliding pin 2 moves down, on sliding pin 2
The upper wall surface of neck 23 with backing pin 8 is spacing contacts, limit slippage pin 2 continues to move down.The height of neck 23 is valve liter
The uncompensation distance of journey.
Further, in the present embodiment, for second of air valve bridge shown in Fig. 5 and Fig. 6, the inner face of mounting hole is also
Connection mounting hole 11 and outside oilhole 12 are offered, for draining and loses heart, slides sliding pin 2 more smooth.
In the present embodiment, return springs are back-moving spring, and certainly, return springs can also be elastic caoutchouc.
Based on the air valve bridge described by any of the above embodiment, the embodiment of the present invention additionally provides a kind of valve actuation machine
Structure, it includes air valve bridge and rocking arm, wherein, air valve bridge is air valve bridge as described by any of the above embodiment, rocking arm as foot
Top surface contact squeeze for the sliding pin 2 with air valve bridge.
Valve stroke compensation device is integrated on air valve bridge, the compensation of valve stroke can be realized by air valve bridge, is not required to
The structure of complexity is set on rocking arm, while reduced to valve spring or rocking arm as the requirement of foot.
The embodiment of the present invention additionally provides a kind of engine, including air valve bridge, wherein, air valve bridge is that any of the above such as is implemented
Air valve bridge described by example.
The engine employs air valve bridge in the application, therefore, simplifies the labyrinth of rocking arm, reduces to valve bullet
Spring and rocking arm can sell the function of realizing individually control valve stroke as the requirement of foot by performing.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (9)
1. a kind of air valve bridge, including air valve bridge body and perform pin, it is characterised in that also including sliding pin and return springs；
The middle part of the air valve bridge body is provided with mounting hole, and the return springs are mounted in the mounting hole；Institute
Sliding pin is stated to be installed in the mounting hole, and can by axial limit structure in the spacing scope in the mounting hole axially
It is mobile；Elastic reaction is distinguished on the air valve bridge body and the sliding pin in the both ends of the return springs.
2. air valve bridge according to claim 1, it is characterised in that the mounting hole is shoulder hole, the return springs
One end be connected on the inner face of the shoulder hole；The sliding pin passes through the shoulder hole；The sliding pin is described in
One end end face of shoulder hole is provided with fixing hole；The axial limit structure includes：
The locating part being fixed in the fixing hole, the locating part are used for and the gas close to one end of the air valve bridge body
The spacing abutting in bottom surface of raft of pontoons body；
The radial direction boss of one end of the remote locating part of the sliding pin is arranged at, the radial direction boss is close to air valve bridge sheet
One end of body is used for and the top surface of the air valve bridge is spacing contacts, and one end elastic reaction of the return springs is in the radial direction
One end of boss, the distance between the confined planes of the radial direction boss and the confined planes of the locating part are more than the air valve bridge sheet
The distance between the top surface of body and bottom surface.
3. air valve bridge according to claim 2, it is characterised in that the locating part is stop screw, and the fixing hole is
Screwed hole, the stop screw are threadedly coupled with the screwed hole.
4. air valve bridge according to claim 2, it is characterised in that the return springs are enclosed on the outer of the sliding pin
Portion.
5. air valve bridge according to claim 1, it is characterised in that the sliding pin is tubular pin, the return springs
The inside of the tubular pin is placed on, and one end elastic reaction of the return springs is on the inner face of tubular pin；The axle
Include to position limiting structure：
The neck being arranged on the periphery wall of the tubular pin；
It is opened on the air valve bridge body and perpendicular to the hole clipping of the installation axially bored line, the hole clipping and the groove position
It is corresponding；
Backing pin of the plugged and fixed in the hole clipping, and the backing pin is located in the neck, the sliding pin by neck and
Backing pin axial limiting slides.
6. air valve bridge according to claim 5, it is characterised in that the inner face of the mounting hole offers the connection peace
Fill hole and outside oilhole.
7. according to the air valve bridge described in claim any one of 1-6, it is characterised in that the return springs are back-moving spring.
8. a kind of valve actuating mechanism, including air valve bridge and rocking arm, it is characterised in that the air valve bridge is such as claim 1-7
Air valve bridge described in any one, the rocking arm are used for top surface contact squeeze with the sliding pin of the air valve bridge as foot.
9. a kind of engine, including air valve bridge, it is characterised in that the air valve bridge is as described in claim any one of 1-7
Air valve bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711046280.XA CN107725133A (en) | 2017-10-31 | 2017-10-31 | A kind of air valve bridge, valve actuating mechanism and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711046280.XA CN107725133A (en) | 2017-10-31 | 2017-10-31 | A kind of air valve bridge, valve actuating mechanism and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107725133A true CN107725133A (en) | 2018-02-23 |
Family
ID=61203524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711046280.XA Pending CN107725133A (en) | 2017-10-31 | 2017-10-31 | A kind of air valve bridge, valve actuating mechanism and engine |
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| Country | Link |
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| CN (1) | CN107725133A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295961A (en) * | 2018-03-21 | 2019-10-01 | 潍柴动力股份有限公司 | Air valve bridge and four-valve engine |
| CN112065526A (en) * | 2020-09-11 | 2020-12-11 | 潍柴动力股份有限公司 | Valve bridge, cylinder deactivation device and engine |
| CN112065529A (en) * | 2020-09-11 | 2020-12-11 | 潍柴动力股份有限公司 | Valve mechanism and engine |
| CN113236393A (en) * | 2021-06-22 | 2021-08-10 | 河南柴油机重工有限责任公司 | Air valve gap bridge |
| CN113389609A (en) * | 2021-06-28 | 2021-09-14 | 广西玉柴机器股份有限公司 | Vibration reduction valve bridge |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101349178A (en) * | 2008-08-04 | 2009-01-21 | 俞黎明 | Rocker arm integrated type brake device of four-stroke internal combustion engine |
| CN101526018A (en) * | 2009-03-11 | 2009-09-09 | 浙江黎明发动机零部件有限公司 | Compression braking device of four-stroke cycle internal combustion engine |
| US20110079196A1 (en) * | 2009-10-02 | 2011-04-07 | Man Nutzfahrzeuge Ag | Internal Combustion Engine Having A Motor Brake Assembly |
| CN202370606U (en) * | 2011-11-24 | 2012-08-08 | 浙江九隆机械有限公司 | Engine brake |
| US20140165941A1 (en) * | 2012-12-17 | 2014-06-19 | Kia Motor Corporation | Variable valve lift device |
| KR101655230B1 (en) * | 2015-12-11 | 2016-09-22 | 현대자동차 주식회사 | Varible vavle duration/variable valve lift system and engine provided with the same |
| WO2016174493A1 (en) * | 2015-04-28 | 2016-11-03 | Shanghai Universoon Auto Parts Co., Ltd. | Single valve compression release bridge brake |
| CN106121765A (en) * | 2016-07-25 | 2016-11-16 | 潍柴动力股份有限公司 | A kind of air valve bridge assembly and engine exhaust and brake system |
| CN207554138U (en) * | 2017-10-31 | 2018-06-29 | 潍柴动力股份有限公司 | A kind of air valve bridge, valve actuating mechanism and engine |
-
2017
- 2017-10-31 CN CN201711046280.XA patent/CN107725133A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101349178A (en) * | 2008-08-04 | 2009-01-21 | 俞黎明 | Rocker arm integrated type brake device of four-stroke internal combustion engine |
| CN101526018A (en) * | 2009-03-11 | 2009-09-09 | 浙江黎明发动机零部件有限公司 | Compression braking device of four-stroke cycle internal combustion engine |
| US20110079196A1 (en) * | 2009-10-02 | 2011-04-07 | Man Nutzfahrzeuge Ag | Internal Combustion Engine Having A Motor Brake Assembly |
| CN202370606U (en) * | 2011-11-24 | 2012-08-08 | 浙江九隆机械有限公司 | Engine brake |
| US20140165941A1 (en) * | 2012-12-17 | 2014-06-19 | Kia Motor Corporation | Variable valve lift device |
| WO2016174493A1 (en) * | 2015-04-28 | 2016-11-03 | Shanghai Universoon Auto Parts Co., Ltd. | Single valve compression release bridge brake |
| KR101655230B1 (en) * | 2015-12-11 | 2016-09-22 | 현대자동차 주식회사 | Varible vavle duration/variable valve lift system and engine provided with the same |
| CN106121765A (en) * | 2016-07-25 | 2016-11-16 | 潍柴动力股份有限公司 | A kind of air valve bridge assembly and engine exhaust and brake system |
| CN207554138U (en) * | 2017-10-31 | 2018-06-29 | 潍柴动力股份有限公司 | A kind of air valve bridge, valve actuating mechanism and engine |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295961A (en) * | 2018-03-21 | 2019-10-01 | 潍柴动力股份有限公司 | Air valve bridge and four-valve engine |
| CN110295961B (en) * | 2018-03-21 | 2020-09-29 | 潍柴动力股份有限公司 | Valve bridge and four-valve engine |
| CN112065526A (en) * | 2020-09-11 | 2020-12-11 | 潍柴动力股份有限公司 | Valve bridge, cylinder deactivation device and engine |
| CN112065529A (en) * | 2020-09-11 | 2020-12-11 | 潍柴动力股份有限公司 | Valve mechanism and engine |
| CN113236393A (en) * | 2021-06-22 | 2021-08-10 | 河南柴油机重工有限责任公司 | Air valve gap bridge |
| CN113236393B (en) * | 2021-06-22 | 2022-06-24 | 河南柴油机重工有限责任公司 | Air valve gap bridge |
| CN113389609A (en) * | 2021-06-28 | 2021-09-14 | 广西玉柴机器股份有限公司 | Vibration reduction valve bridge |
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Application publication date: 20180223 |