CN106870051A - A kind of valve assembly and automobile - Google Patents
A kind of valve assembly and automobile Download PDFInfo
- Publication number
- CN106870051A CN106870051A CN201710304984.6A CN201710304984A CN106870051A CN 106870051 A CN106870051 A CN 106870051A CN 201710304984 A CN201710304984 A CN 201710304984A CN 106870051 A CN106870051 A CN 106870051A
- Authority
- CN
- China
- Prior art keywords
- valve
- rocking arm
- rocker arms
- bulge
- annular groove
- 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
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
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/20—Shapes or constructions of valve members, not provided for in preceding subgroups of this group
-
- 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
- F01L1/181—Centre pivot rocking arms
-
- 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
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L2003/11—Connecting valve members to rocker arm or tappet
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The embodiment of the invention provides a kind of valve assembly and automobile.Wherein, the valve assembly includes：Throttle body, the throttle body includes：Valve disc and valve stem, the first end of valve stem are connected with valve disc, and the second end of valve stem offers rod slot, between the top at rod slot and the second end of valve, offer the annular groove formed around the circumferencial direction of valve stem；Roller rocker arms, the roller rocker arms include：Rocking arm body and the bearing being arranged in the middle part of rocking arm body, rocking arm body include：Rocking arm afterbody and rocking arm head, rocking arm head offer a spiracular furrow, and a bulge-structure is respectively arranged with the both sides side wall of spiracular furrow；Wherein, when throttle body is arranged in spiracular furrow, bulge-structure and annular groove clamping.Above-mentioned technical proposal, by the clamping of bulge-structure and annular groove, enables throttle body to be firmly arranged in spiracular furrow, strengthens the bonding strength of valve and roller rocker arms, reduces valve from the probability for coming off in roller rocker arms.
Description
Technical field
The present invention relates to automobile technical field, more particularly to a kind of valve assembly and automobile.
Background technology
Valve is the part of combustion chamber, and forms gas into and out of the passage of combustion chamber with cylinder body, therefore, valve
Main Function is just responsible for input air in engine and discharges the waste gas after burning.For from engine structure, valve
It is divided into inlet valve and exhaust valve.The effect of inlet valve is drawn air into engine, with fuel mixed combustion；The work of exhaust valve
With being that the waste gas after burning is discharged and radiated.Wherein, the opening and closing of valve are driven by roller rocker arms, because
This, roller rocker arms and valve are all the important components of engine, be related to automobile engine can safe and reasonable operation,
When valve rocker breaks down, automobile engine is just not normally functioning, and seriously can more influence the safety problem of driver.It is existing
Have in technology, valve is directly plugged in the spiracular furrow of roller rocker arms, easily the risk that valve comes off occur in motion process,
The normal operation of engine is influenceed, Exploration on Train Operation Safety is produced.
The content of the invention
A kind of valve assembly and automobile are the embodiment of the invention provides, to solve in the prior art, to be shaken with roller in valve
When there is relative motion in arm, the problem that valve easily comes off from the spiracular furrow of roller rocker arms.
In order to solve the above-mentioned technical problem, the present invention is adopted the following technical scheme that：
According to the one side of the embodiment of the present invention, there is provided a kind of valve assembly, including：
Throttle body, the throttle body includes：Valve disc and valve stem, the first end of the valve stem and the valve
Head connection, the second end of the valve stem offers rod slot, the top at the rod slot with the second end of the valve it
Between, offer the annular groove formed around the circumferencial direction of the valve stem；
Roller rocker arms, the roller rocker arms include：Rocking arm body and the bearing being arranged in the middle part of the rocking arm body, institute
Stating rocking arm body includes：Rocking arm afterbody and rocking arm head, the rocking arm head offer a spiracular furrow, the both sides of the spiracular furrow
A bulge-structure is respectively arranged with the wall of side；
Wherein, when the throttle body is arranged in the spiracular furrow, the bulge-structure and the annular groove clamping.
Further, the bulge-structure is arc-shaped structure.
Further, the bottom surface of the annular groove is arc surface.
Further, Breadth Maximum of the width of the annular groove more than the cross section of the bulge-structure.
Further, the valve disc is formed in one with the valve stem.
Further, the bearing is needle bearing.
Further, the valve disc is in conical structure.
Further, the spiracular furrow is U-type groove, and the bulge-structure is separately positioned on the two of the spiracular furrow of U-shape structure
On the wall of side side.
Further, the rod slot has multiple.
According to the other side of the embodiment of the present invention, there is provided a kind of automobile, including：Valve assembly as described above.
The beneficial effects of the invention are as follows：
Above-mentioned technical proposal, is improved throttle body and roller rocker arms respectively, in throttle body and roller rocker arms
One end of connection, has opened up an annular groove, and the bulge-structure being adapted with annular groove is provided with the spiracular furrow of roller rocker arms, is inciting somebody to action
Valve stem is plugged during into the spiracular furrow of roller rocker arms, the annular groove clamping on bulge-structure and throttle body in spiracular furrow,
So, when throttle body and roller rocker arms occur relative motion, due to the clamping of bulge-structure and annular groove, throttle body can be made
Firmly it is arranged in spiracular furrow, strengthens the bonding strength of throttle body and roller rocker arms, reduces valve from roller rocker arms
On the probability for coming off, it is ensured that the normal operation of engine, improve traffic safety.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will use needed for embodiment description
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill of field, without having to pay creative labor, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 represents the structural representation of throttle body provided in an embodiment of the present invention；
Fig. 2 represents the side view of roller rocker arms provided in an embodiment of the present invention；
Fig. 3 represents the front view of roller rocker arms provided in an embodiment of the present invention.
Description of reference numerals is as follows：
1st, throttle body；101st, valve disc；102nd, valve stem；1021st, the first end of valve stem；1022nd, valve stem；
1023rd, rod slot；1024th, annular groove；
2nd, roller rocker arms；201st, rocking arm body；202nd, bearing；2021st, rocking arm afterbody；2022nd, rocking arm head；2023rd, gas
Gate slot；2024th, bulge-structure.
Specific embodiment
Exemplary embodiment of the invention is more fully described below with reference to accompanying drawings.Although showing the present invention in accompanying drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the present invention without should be by embodiments set forth here
Limited.Conversely, there is provided these embodiments are able to be best understood from the present invention, and can be by the scope of the present invention
Complete conveys to those skilled in the art.
According to the one side of the embodiment of the present invention, there is provided a kind of valve assembly, as shown in Figure 1 to Figure 3, including：Gas
Door body 1 and roller rocker arms 2.
Wherein, as shown in figure 1, throttle body 1 includes：Valve disc 101 and valve stem 102.The first end of valve stem 102
1021 are connected with valve disc 101, and the second end of valve stem 102 offers rod slot 1023, the of rod slot 1023 and valve
Between the top at two ends, an annular groove 1024 is offered, the annular groove 1024 is formed around the circumferencial direction of valve stem 102.
Wherein, as shown in Figures 2 and 3, roller rocker arms 2 include：Rocking arm body 201 and it is arranged in rocking arm body 201
The bearing 202 in portion.Further, rocking arm body 201 includes：Rocking arm afterbody 2021 and rocking arm head 2022, in rocking arm head
2022 offer a spiracular furrow 2023, and a bulge-structure 2024 is respectively arranged with the both sides side wall of spiracular furrow 2023, and this is convex
Structure 2024 is played to be adapted with the annular groove 1024 on throttle body 1.
In installation process, the annular groove 1024 on throttle body 1 is directed at the bulge-structure 2024 in spiracular furrow 2023, made
Bulge-structure 2024 is parallel to be plugged into annular groove 1024, so as to realize the clamping of bulge-structure 2024 and annular groove 1024, this
Sample throttle body 1 just can firmly be arranged at spiracular furrow 2023 and suffer.
Above-mentioned technical proposal, is improved throttle body 1 and roller rocker arms 2 respectively, is shaken in throttle body 1 and roller
One end of the connection of arm 2, has opened up an annular groove 1024, is provided with the spiracular furrow 2023 of roller rocker arms 2 and is mutually fitted with annular groove 1024
The bulge-structure 2024 matched somebody with somebody, when plugging valve stem 102 into the spiracular furrow 2023 of roller rocker arms 2, in spiracular furrow 2023
Bulge-structure 2024 and throttle body 1 on the clamping of annular groove 1024, so, occur in throttle body 1 and roller rocker arms 2 relative
During motion, due to the clamping of bulge-structure 2024 and annular groove 1024, throttle body 1 can be made firmly to be arranged at spiracular furrow 2023
In, the bonding strength of throttle body 1 and roller rocker arms 2 is strengthened, reduce the coming off from roller rocker arms 2 of throttle body 1
Probability, it is ensured that the normal operation of engine, improves traffic safety.
Further, in the embodiment of the present invention, spiracular furrow 2023 is U-type groove, and bulge-structure 2024 is separately positioned on U-shaped knot
On the both sides side wall of the spiracular furrow 2023 of structure.
Further, in the embodiment of the present invention, when throttle body 1 and roller rocker arms 2 occur relative motion, in order to ensure
The normal operation of valve and roller rocker arms 2, the width of annular groove 1024 is greater than (be much larger than) cross section of bulge-structure 2024
Breadth Maximum, so enables to throttle body 1 to be neither stuck, and can not be come off from spiracular furrow 2023 again, it is ensured that start
The normal operation of machine.
Preferably, in the embodiment of the present invention, bulge-structure 2024 is arc-shaped structure, the i.e. cross section of bulge-structure 2024
In circular arc, so when valve and roller rocker arms 2 occur relative motion, can reduce annular groove 1024 and bulge-structure 2024 it
Between friction, reduce the abrasion of annular groove 1024 and bulge-structure 2024.
Correspondingly, in order to preferably be adapted to bulge-structure 2024, in the embodiment of the present invention, the bottom surface of annular groove 1024 is in circular arc
Shape, further to reduce the friction between bulge-structure 2024 and annular groove 1024, extension bulge-structure 2024 and annular groove 1024
Service life.
Preferably, in the embodiment of the present invention, bulge-structure 2024 is formed in one with spiracular furrow 2023, moulding process letter
It is single, and the bonding strength of bulge-structure 2024 and spiracular furrow 2023 can be improved.
Preferably, in the embodiment of the present invention, valve disc 101 is formed in one with valve stem 102, and moulding process is simple, and
The bonding strength of valve disc 101 and valve stem 102 can be improved.
Preferably, in the embodiment of the present invention, bearing 202 uses needle bearing, can reduce noise.
Further, in the embodiment of the present invention, valve disc 101 is in conical structure, can either on a large scale gather air,
Waste gas can be discharged on a large scale again, with more preferable air inlet and exhaust effect.
Further, in the embodiment of the present invention, the quantity of rod slot 1023 is multiple, to improve bonding strength.
In sum, valve assembly provided in an embodiment of the present invention, is carried out respectively to throttle body 1 and roller rocker arms 2
Improve, in one end that throttle body 1 is connected with roller rocker arms 2, an annular groove 1024 has been opened up, in the spiracular furrow of roller rocker arms 2
The bulge-structure 2024 being adapted with annular groove 1024 is provided with 2023, valve stem 102 is being plugged the gas into roller rocker arms 2
When in gate slot 2023, the clamping of annular groove 1024 on bulge-structure 2024 and throttle body 1 in spiracular furrow 2023, so, in gas
When door body 1 occurs relative motion with roller rocker arms 2, due to the clamping of bulge-structure 2024 and annular groove 1024, valve sheet can be made
Body 1 is firmly arranged in spiracular furrow 2023, strengthens the bonding strength of throttle body 1 and roller rocker arms 2, reduces valve sheet
The probability that comes off of the body 1 from roller rocker arms 2, it is ensured that the normal operation of engine, improves traffic safety.
Additionally, by opening up annular groove 1024 on throttle body 1, additionally it is possible to reduce throttle body 1 to a certain extent
Weight, and then the weight of engine is reduced, it is advantageously implemented light-weight design.
According to the other side of the embodiment of the present invention, there is provided a kind of automobile, including：As above valve assembly.
Valve assembly in automobile provided in an embodiment of the present invention, is improved valve and roller rocker arms 2 respectively,
One end that valve is connected with roller rocker arms 2, has opened up an annular groove 1024, in the spiracular furrow 2023 of roller rocker arms 2 be provided with
The bulge-structure 2024 that annular groove 1024 is adapted, when valve stem 102 being plugged into the spiracular furrow 2023 of roller rocker arms 2,
, so, there is phase with roller rocker arms 2 in valve in bulge-structure 2024 and the clamping of laterostigmatal annular groove 1024 in spiracular furrow 2023
During to motion, due to the clamping of bulge-structure 2024 and annular groove 1024, throttle body 1 can be made firmly to be arranged at spiracular furrow 2023
In, the bonding strength of valve and roller rocker arms 2 is strengthened, reduce the probability that comes off of the valve from roller rocker arms 2, it is ensured that
The normal operation of engine, improves traffic safety.
Additionally, by opening up annular groove 1024 on throttle body 1, additionally it is possible to reduce throttle body 1 to a certain extent
Weight, and then the weight of engine is reduced, it is advantageously implemented light-weight design.
It should be noted that term " first ", " in description and claims of this specification and above-mentioned accompanying drawing
Two " it is etc. for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or
Order beyond those of description is implemented.Additionally, term " comprising " and " having " and their any deformation, it is intended that cover
Lid is non-exclusive to be included, for example, the process, method, system, product or the equipment that contain series of steps or unit are not necessarily limited to
Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product
Or other intrinsic steps of equipment or unit.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person for the art comes
Say, some improvements and modifications can also be made under the premise of principle of the present invention is not departed from, and these improvements and modifications also exist
In protection scope of the present invention.
Claims (10)
1. a kind of valve assembly, it is characterised in that including：
Throttle body (1), the throttle body (1) includes：Valve disc (101) and valve stem (102), the valve stem (102)
First end (1021) be connected with the valve disc (101), second end (1022) of the valve stem (102) offers rod slot
(1023), between the top at the rod slot (1023) with second end (1022) of the valve, offer around the gas
The annular groove (1024) that the circumferencial direction of door rod (102) is formed；
Roller rocker arms (2), the roller rocker arms (2) include：Rocking arm body (201) and it is arranged on the rocking arm body (201)
The bearing (202) at middle part, the rocking arm body (201) includes：Rocking arm afterbody (2021) and rocking arm head (2022), the rocking arm
Head (2022) offers a spiracular furrow (2023), and a raised knot is respectively arranged with the both sides side wall of the spiracular furrow (2023)
Structure (2024)；
Wherein, when the throttle body (1) is in the spiracular furrow (2023), the bulge-structure (2024) and the ring
Groove (1024) clamping.
2. valve assembly according to claim 1, it is characterised in that the bulge-structure (2024) is arc-shaped structure.
3. valve assembly according to claim 2, it is characterised in that the bottom surface of the annular groove (1024) is arc surface.
4. valve assembly according to claim 1 and 2, it is characterised in that the width of the annular groove (1024) is more than described
The Breadth Maximum of the cross section of bulge-structure (2024).
5. valve assembly according to claim 1, it is characterised in that the valve disc (101) and the valve stem (102)
It is formed in one.
6. valve assembly according to claim 1, it is characterised in that the bearing (202) is needle bearing.
7. valve assembly according to claim 1, it is characterised in that the valve disc (101) is in conical structure.
8. valve assembly according to claim 1, it is characterised in that the spiracular furrow (2023) is U-type groove, the projection
Structure (2024) is separately positioned on the both sides side wall of the spiracular furrow of U-shape structure (2023).
9. valve assembly according to claim 1, it is characterised in that the quantity of the rod slot (1023) is multiple.
10. a kind of automobile, it is characterised in that including：Valve assembly as described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710304984.6A CN106870051A (en) | 2017-05-03 | 2017-05-03 | A kind of valve assembly and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710304984.6A CN106870051A (en) | 2017-05-03 | 2017-05-03 | A kind of valve assembly and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106870051A true CN106870051A (en) | 2017-06-20 |
Family
ID=59161746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710304984.6A Pending CN106870051A (en) | 2017-05-03 | 2017-05-03 | A kind of valve assembly and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106870051A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB123578A (en) * | 1918-02-26 | 1919-02-26 | Robert Edward Phillips | Improvements in Valve Gear for Internal Combustion Engines. |
| GB294427A (en) * | 1927-12-15 | 1928-07-26 | Edward Ronald D Alessio | Improvements in and relating to valve-operating mechanism in internal combustion engines |
| GB1369597A (en) * | 1970-10-17 | 1974-10-09 | Snell A J | Valve gear |
| JPS57195807A (en) * | 1981-05-28 | 1982-12-01 | Isao Kuribayashi | Intake-exhaust valve of internal combustion engine |
| JPS59155518A (en) * | 1983-02-25 | 1984-09-04 | Honda Motor Co Ltd | Valve mechanism of internal-combustion engine |
| JPS60128915A (en) * | 1983-12-17 | 1985-07-10 | Honda Motor Co Ltd | Valve interrupting equipment of multi-cylinder internal-combustion engine |
| JPH03156113A (en) * | 1989-11-13 | 1991-07-04 | Nissan Motor Co Ltd | Valve action system for engine |
| CN1414219A (en) * | 2002-10-10 | 2003-04-30 | 伍本银 | Crown bar type engine distribution mechanism having no air valve spring |
| EP1624161A1 (en) * | 2004-08-03 | 2006-02-08 | Stefan Battlogg | Device for transforming rotating movement into translatory movement |
| KR20130028838A (en) * | 2011-09-12 | 2013-03-20 | 노태훈 | Valve spring-less camshaft |
| CN202866918U (en) * | 2012-09-28 | 2013-04-10 | 长城汽车股份有限公司 | Variable valve stroke mechanism of engine |
| CN103256090A (en) * | 2013-05-10 | 2013-08-21 | 浙江吉利汽车研究院有限公司杭州分公司 | Stepless variable air valve lifting mechanism |
| CN103670563A (en) * | 2013-12-30 | 2014-03-26 | 绵阳富临精工机械股份有限公司 | Engine valve rocker |
-
2017
- 2017-05-03 CN CN201710304984.6A patent/CN106870051A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB123578A (en) * | 1918-02-26 | 1919-02-26 | Robert Edward Phillips | Improvements in Valve Gear for Internal Combustion Engines. |
| GB294427A (en) * | 1927-12-15 | 1928-07-26 | Edward Ronald D Alessio | Improvements in and relating to valve-operating mechanism in internal combustion engines |
| GB1369597A (en) * | 1970-10-17 | 1974-10-09 | Snell A J | Valve gear |
| JPS57195807A (en) * | 1981-05-28 | 1982-12-01 | Isao Kuribayashi | Intake-exhaust valve of internal combustion engine |
| JPS59155518A (en) * | 1983-02-25 | 1984-09-04 | Honda Motor Co Ltd | Valve mechanism of internal-combustion engine |
| JPS60128915A (en) * | 1983-12-17 | 1985-07-10 | Honda Motor Co Ltd | Valve interrupting equipment of multi-cylinder internal-combustion engine |
| JPH03156113A (en) * | 1989-11-13 | 1991-07-04 | Nissan Motor Co Ltd | Valve action system for engine |
| CN1414219A (en) * | 2002-10-10 | 2003-04-30 | 伍本银 | Crown bar type engine distribution mechanism having no air valve spring |
| EP1624161A1 (en) * | 2004-08-03 | 2006-02-08 | Stefan Battlogg | Device for transforming rotating movement into translatory movement |
| KR20130028838A (en) * | 2011-09-12 | 2013-03-20 | 노태훈 | Valve spring-less camshaft |
| CN202866918U (en) * | 2012-09-28 | 2013-04-10 | 长城汽车股份有限公司 | Variable valve stroke mechanism of engine |
| CN103256090A (en) * | 2013-05-10 | 2013-08-21 | 浙江吉利汽车研究院有限公司杭州分公司 | Stepless variable air valve lifting mechanism |
| CN103670563A (en) * | 2013-12-30 | 2014-03-26 | 绵阳富临精工机械股份有限公司 | Engine valve rocker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105275697B (en) | Diesel engine | |
| US4159011A (en) | Engine cylinder inlet port | |
| JP6215943B2 (en) | Diesel engine combustion chamber structure | |
| EP1083324A3 (en) | Control system for self-ignition type gasoline engine | |
| EP1002939A3 (en) | Intake-air quantity control apparatus for internal combustion engine with variable valve timing system | |
| EP1760403A3 (en) | Fuel nozzle for gas turbine engines | |
| GB2283058A (en) | I.c. engine charge tumble intake system | |
| WO2006041867A3 (en) | Fuel property-adaptive engine control system with on-board fuel classifier | |
| EP0903472A3 (en) | Electromagnetically driven valve for an internal combustion engine | |
| US6945048B2 (en) | Exhaust pressure restriction device with bypass passageway | |
| CN106870051A (en) | A kind of valve assembly and automobile | |
| CN206681809U (en) | A kind of valve assembly and automobile | |
| US5797365A (en) | Intake port device for an engine of a vehicle | |
| CN202451273U (en) | Supercharging device with gas storage function in automobile engine | |
| CN102486103A (en) | Air admission cam for small gasoline engine | |
| US7467625B1 (en) | Flexible fuel impulse charged engine assembly | |
| DE112015000463T5 (en) | Pneumatic actuator with a piston with extended lip | |
| CN204877572U (en) | Put overhead valve valve timing mechanism of camshaft down | |
| US20020117139A1 (en) | Air intake device for an internal combustion engine and methods for its operation | |
| JPH07127403A (en) | Valve system for internal combustion engine | |
| CN204827718U (en) | Engine exhaust is circulation canal valve again | |
| CN101413409A (en) | Four-stroke internal combustion engine distribution timing mechanism | |
| CN106968745A (en) | Spring pressure plan based on engine speed | |
| CN220909834U (en) | Air inlet and outlet structure of engine | |
| CN88103286A (en) | The method and apparatus of effective utilization of exhaust |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170620 |