CN114961917A - Rocker arm type valve control mechanism for dynamic cylinder closing of engine and engine - Google Patents
Rocker arm type valve control mechanism for dynamic cylinder closing of engine and engine Download PDFInfo
- Publication number
- CN114961917A CN114961917A CN202210914806.6A CN202210914806A CN114961917A CN 114961917 A CN114961917 A CN 114961917A CN 202210914806 A CN202210914806 A CN 202210914806A CN 114961917 A CN114961917 A CN 114961917A
- Authority
- CN
- China
- Prior art keywords
- rocker arm
- sliding pin
- oil passage
- engine
- control mechanism
- 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.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 29
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 12
- 239000003921 oil Substances 0.000 claims description 54
- 230000033001 locomotion Effects 0.000 claims description 3
- 230000009849 deactivation Effects 0.000 claims description 2
- 230000003068 static effect Effects 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
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
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0005—Deactivating valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/08—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing for rendering engine inoperative or idling
-
- 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
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0005—Deactivating valves
- F01L2013/001—Deactivating cylinders
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
The invention belongs to the field of engines, and discloses a rocker arm type valve control mechanism for dynamically closing an engine cylinder and an engine in order to solve the problems of static cylinder closing in the prior art, wherein the rocker arm type valve control mechanism comprises an air inlet rocker arm and an air outlet rocker arm, and the air inlet rocker arm and the air outlet rocker arm are respectively connected with a slipper through a mandril; the ejector rod is provided with an annular groove, the air inlet rocker arm and the air outlet rocker arm are provided with sliding pin cavities, the sliding pin cavities are communicated with a hydraulic oil way, and a control valve is arranged on the hydraulic oil way; the sliding pin is arranged in the sliding pin cavity, the sliding pin can be clamped in the annular groove under the driving of the return spring, the ejector rod is locked, and meanwhile the sliding pin can move in the reverse direction under the control of hydraulic oil to be unlocked with the ejector rod. The dynamic cylinder closing structure provided by the invention is simple, the air inlet rocker arm and the air outlet rocker arm are respectively connected with the sliding shoe through the ejector rod, and then the sliding pin structure added on the periphery of the ejector rod realizes the control of the ejector rod, so that the idle space is fully utilized, and the change of the whole system is minimum.
Description
Technical Field
The invention belongs to the field of engines, and particularly relates to a rocker arm type valve control mechanism for dynamic cylinder closing of an engine and the engine.
Background
Compared with the traditional engine technology, the cylinder closing technology has obvious advantages in energy conservation and emission reduction, but in the prior art, most engines are static cylinder closing technology, and the static cylinder closing technology is used for closing partial cylinders for a long time in the working process, so that the heat balance among cylinders of the engine is broken, the reliability of the engine is influenced by the change of pressure borne by the cylinders, and the like, the engine is unstable in working, and the static cylinder closing technology is not effectively popularized all the time.
The dynamic cylinder closing technology can overcome the defects of the static cylinder closing technology, has high response speed, can independently and quickly switch each cylinder of the engine between a normal working state and a cylinder closing state, and can dynamically and circularly close the cylinders, so that the heat balance among the cylinders can be realized, and the working stability of the engine is also ensured due to high flexibility. At present, in gasoline engines, a dynamic cylinder closing technology is adopted for closing cylinders, but a split type rocker arm structure is generally adopted, the structure is complex, and the required installation space is large.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a rocker arm type valve control mechanism for dynamically closing cylinders of an engine and the engine.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the embodiment of the invention provides a rocker arm type valve control mechanism for dynamic cylinder closing of an engine, which comprises an air inlet rocker arm and an air outlet rocker arm, wherein the air inlet rocker arm and the air outlet rocker arm are respectively connected with a slipper through an ejector rod; the ejector rod is provided with an annular groove, the air inlet rocker arm and the air outlet rocker arm are provided with sliding pin cavities, the sliding pin cavities are communicated with a hydraulic oil way, and a control valve is arranged on the hydraulic oil way; the sliding pin intracavity is equipped with the sliding pin, the sliding pin can clamp under return spring's drive the annular in, lock and die the ejector pin, the sliding pin can also be under the control of hydraulic oil reverse motion simultaneously, with the ejector pin unblock.
As a further technical scheme, two first sliding pin cavities are arranged on the air inlet rocker arm and are arranged oppositely.
As a further technical scheme, two second sliding pin cavities are arranged on the exhaust rocker arm and are arranged oppositely.
As a further technical scheme, the hydraulic oil path includes a first oil passage arranged on the rocker shaft seat, a second oil passage arranged on the rocker shaft, a third oil passage arranged on the exhaust rocker and a fourth oil passage arranged on the intake rocker, the first oil passage is communicated with the second oil passage, the second oil passage is respectively communicated with the third oil passage and the fourth oil passage, the third oil passage and the fourth oil passage are communicated with the ring grooves on the corresponding ejector rods, and the ring grooves are communicated with the corresponding sliding pin cavities.
As a further technical solution, the control valve is installed on the first oil passage.
As a further technical scheme, a cavity is arranged from one end of the sliding pin to the inside of the sliding pin along the axial direction of the sliding pin, a return spring is arranged in the cavity, one end of the return spring is fixed at the bottom of the sliding pin cavity of the air inlet rocker arm or the air outlet rocker arm, and the other end of the return spring is fixed at the bottom of the cavity.
As a further technical scheme, a first retaining ring is arranged at the bottom of the sliding pin cavity, and the return spring is fixed on the first retaining ring.
As a further technical scheme, the air inlet rocker arm device further comprises a first elastic device, one end of the first elastic device is fixed on the first support, and the other end of the first elastic device acts on the air inlet rocker arm.
As a further technical scheme, the exhaust rocker arm further comprises a second elastic device, one end of the second elastic device is fixed on the second support, and the other end of the second elastic device acts on the exhaust rocker arm.
In a second aspect, the invention also provides an engine comprising the rocker arm valve control mechanism for dynamically closing the cylinder of the engine.
The invention has the following beneficial effects:
the dynamic cylinder closing structure provided by the invention is simple, the air inlet rocker arm and the air outlet rocker arm are respectively connected with the sliding shoe through the ejector rod, and then the sliding pin structure added on the periphery of the ejector rod realizes the control of the ejector rod, so that the idle space is fully utilized, and the change of the whole system is minimum.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic diagram of a conventional engine rocker arm valve train arrangement;
FIG. 2 is a schematic illustration of a valve closed state of a rocker arm valve train of a conventional engine;
FIG. 3 is a schematic diagram of a valve opening state of a rocker arm type valve mechanism of a conventional engine;
FIG. 4 is a schematic view of the overall arrangement of a rocker arm valve train of the present invention;
FIG. 5 is a schematic view of the arrangement of the intake rocker arm and other structures in the rocker arm valve train structure of the present invention;
FIG. 6 is a cross-sectional view of the intake rocker arm and intake rocker arm sliding pin portion of the cylinder deactivation mechanism of the present invention;
FIG. 7 is a schematic diagram of the normal operation state of the cam shaft at the maximum lift position in the cylinder closing structure according to the present invention;
FIG. 8 is a schematic diagram illustrating a cylinder closing state of a cam shaft at a maximum lift position in the cylinder closing structure according to the present invention;
fig. 9 is a schematic diagram of an oil path structure for supplying oil to the sliding pin chambers of the exhaust rocker arm and the intake rocker arm in the cylinder closing structure proposed by the present invention;
in the figure: 1 rocker arm shaft, 2 camshaft, 3 brake rocker arm, 4 existing exhaust rocker arm, 5 existing intake rocker arm, 6 exhaust rocker arm, 7 intake rocker arm, 8 valve bridge, 9 sliding shoe, 10 fastening nut, 11 adjusting screw, 12 valve, 13 second retainer ring, 14 ejector pin, 15 first support, 16 first elastic device, 17 rocker arm shaft seat, 18 hole elastic retainer ring, 19 first retainer ring, 20 return spring, 21 sliding pin, 22 control valve, 23 first oil channel, 24 second oil channel, 25 third oil channel, 26 fourth oil channel, 27 annular groove.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
as introduced by the background art, the prior art has disadvantages, as shown in fig. 1, fig. 2, and fig. 3, which are schematic diagrams of a rocker arm type valve transmission mechanism of a conventional engine, an existing intake rocker arm 5, an existing exhaust rocker arm 4, and a brake rocker arm 3 are all sleeved on a rocker arm shaft 1 and rotate around the rocker arm shaft 1, the existing intake rocker arm 5, the existing exhaust rocker arm 4, and the brake rocker arm 3 are driven to move by a cam shaft 2, then the existing intake rocker arm 5, the existing exhaust rocker arm 4, and the brake rocker arm 3 drive respective valve bridges 8, and further the valve bridges 8 drive corresponding valves 12 to operate.
Fig. 2 is a schematic diagram showing a closed state of a rocker arm type valve transmission mechanism of a conventional engine, fig. 3 is a schematic diagram showing an open state of a rocker arm type valve transmission mechanism of a conventional engine, a sliding shoe 9, a fastening nut 10 and an adjusting screw 11 are respectively mounted on an existing intake rocker arm 5 and an existing exhaust rocker arm 4, the existing intake rocker arm 5 and the existing exhaust rocker arm 4 are fixedly connected with respective corresponding valve bridges 8 through the sliding shoe 9, the fastening nut 10, the adjusting screw 11 and the like, and the corresponding valve 12 is driven to work through the valve bridge 8.
In the present embodiment, as shown in fig. 5, in the present embodiment, the exhaust rocker arm 6 and the ejector 14 at the end of the intake rocker arm 7 replace the adjusting screw 11 in the existing exhaust rocker arm 4 and the existing intake rocker arm 5 disclosed in fig. 1, and other components are also adjusted, and then a control valve 22 is added, further, the connection relationship between the exhaust rocker arm 6 and the intake rocker arm 7 in the present embodiment and other components is completely the same, and the intake rocker arm 7 is taken as an example for explanation;
fig. 5 is a schematic diagram of the arrangement state of the intake rocker arm 7 and other structures in the rocker arm valve train structure, in which the ejector 14 at the end of the intake rocker arm 7 replaces the adjusting screw 11 in the existing structure, and the ejector 14 is in sliding fit with the intake rocker arm 7, the top of the ejector 14 passes through the intake rocker arm 7 and the top is clamped on the intake rocker arm 7, a second retainer 13 is arranged between the top of the ejector 14 and the intake rocker arm 7, and a first elastic device 16 is further arranged on the intake rocker arm 7, one end of the first elastic device 16 is fixed on the first support 15, and the other end acts on the intake rocker arm 7, so as to ensure that the roller of the intake rocker arm 7 is always in contact with the camshaft 2 in the rocker arm valve train structure. Further, said first abutment 15 is generally fixed to the rocker shaft 1 by a fixed connection, and said first elastic means 16 generally selects a spring, having a return action.
As shown in fig. 6, a ring groove 27 is formed at a middle portion of the carrier rod 14, and the ring groove 27 is formed in a manner that: a circle of grooves are processed at the middle position of the ejector rod 14 along the circumferential direction of the ejector rod 14, so that the diameter of the position is smaller than that of other parts, and the annular groove 27 is formed; at least one sliding pin 21 is arranged around the annular groove 27, each sliding pin 21 is arranged along the radial direction of the top rod 14, and each sliding pin 21 can be clamped into the annular groove 27 of the top rod 14 under the pushing of the corresponding return spring 20; specifically, two sliding pin cavities are respectively formed in the exhaust rocker arm 6 and the intake rocker arm 7, a sliding pin 21 is respectively placed in each sliding pin cavity, the two sliding pin cavities are communicated with the annular groove 27, the positions of the sliding pin cavities correspond to the positions of the annular groove 27 of the ejector rod 14, and the two sliding pin cavities are located on two sides of the annular groove 27.
It should be further noted that the above-mentioned slide pin cavities can be provided in three, but are preferably provided in two, and the slide pin cavities are provided along the radial direction of the carrier rod 14, and the function of the slide pin cavities is mainly to place the slide pins 21.
FIG. 7 is a schematic view showing a normal operating state of the camshaft 2 at the maximum lift position; fig. 8 is a schematic diagram showing a cylinder closing state at the maximum lift position of the camshaft 2.
As shown in fig. 9, a first oil passage 23 is formed in the rocker shaft seat 17, a second oil passage 24 is formed in the rocker shaft 1, the second oil passage 24 is arranged along the axial direction of the rocker shaft 1, a third oil passage 25 is formed in the exhaust rocker arm 6, a fourth oil passage 26 is formed in the intake rocker arm 7, the first oil passage 23 is communicated with the second oil passage 24, the second oil passage 24 is respectively communicated with the third oil passage 25 and the fourth oil passage 26, and the third oil passage 25 is communicated with a ring groove 27 on the ejector pin 14 of the exhaust rocker arm 6 and two sliding pin cavities on the exhaust rocker arm 6; the fourth oil passage 26 communicates with the ring groove 27 on the jack 14 on the intake rocker arm 7 and the two sliding pin chambers on the intake rocker arm 7.
The hydraulic oil enters the second oil passage 24 from the first oil passage 23, then enters the third oil passage 25 and the fourth oil passage 26 respectively, enters the corresponding ring grooves 27 from the third oil passage 25 and the fourth oil passage 26, and enters the sliding pin cavities on two sides of the ring grooves 27 from the ring grooves 27 to control the movement of the sliding pins 21; the control valve 22 is arranged in a first oil passage 23 of the rocker shaft seat 17; when the control valve 22 is not electrified, and the oil path leading to the sliding pin cavity has no oil pressure, the sliding pin 21 is clamped in the annular groove 27 of the ejector rod 14 under the pushing of the return spring 20 to lock the ejector rod 14, and the air inlet rocker arm 7 and the air outlet rocker arm 6 rotate to drive the ejector rod 14 to move together, so that the valve 12 is pushed to move.
When the control valve 22 is electrified, oil pressure exists in an oil path leading to the sliding pin cavity to push the sliding pin 21 to the limiting position of the first retainer ring 19, so that the ejector rod 14 is unlocked, the ejector rod 14 can freely slide in the air inlet rocker arm 7 and the air outlet rocker arm 6 and cannot move along with the air inlet rocker arm 7 and the air outlet rocker arm 6, and the cylinder closing function is realized.
It should be further noted that the first retainer ring 19 is used for fixing the return spring 20; and the outside of the first retainer ring 19 is also provided with a hole circlip 18, the hole circlip 18 is fixed in the sliding pin cavity, and when the sliding pin 21 unlocks the ejector rod 14 and moves to the position of the hole circlip 18 of the sliding pin cavity, the hole circlip 18 damps the ejector rod 14.
The hydraulic fully variable valve mechanism in the present embodiment achieves switching between the normal operation mode and the cylinder-closing operation mode by locking and unlocking the jack 14 with the slide pin 21.
The hydraulic fully variable valve mechanism in the present embodiment adopts the structural design of two sliding pins 21, the two sliding pins 21 have the same structural design, the sliding pins 21 may be designed to be cylindrical or semi-cylindrical or other structures, and in the present embodiment, the sliding pins 21 are designed to be cylindrical.
The hydraulic fully variable valve mechanism in the embodiment uses the control valve 22 to control the on-off of the oil path to realize dynamic control, wherein the control valve 22 may be an existing electromagnetic valve or other valves. The hydraulic fully variable valve mechanism in the present embodiment can achieve simultaneous control of the intake valve and the exhaust valve by only one control valve 22 per cylinder.
The dynamic cylinder closing structure provided by the invention is simple, the air inlet rocker arm 7 and the air outlet rocker arm 6 are respectively connected with the sliding shoe 9 through the ejector rod 14, then the sliding pin 21 added on the periphery of the ejector rod 14 realizes the control of the ejector rod 14, the idle space is fully utilized, and the change of the whole system is minimum.
Further, the present embodiment also provides an engine including the rocker arm valve control mechanism for dynamic cylinder closing of the engine as described above, and since the rocker arm valve control mechanism for dynamic cylinder closing of the engine as described above is provided in the engine, the engine also has all the advantages as described above.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A rocker arm type valve control mechanism for dynamic cylinder closing of an engine comprises an air inlet rocker arm and an air outlet rocker arm, and is characterized in that the air inlet rocker arm and the air outlet rocker arm are respectively connected with a slipper through a mandril; the ejector rod is provided with an annular groove, the air inlet rocker arm and the air outlet rocker arm are provided with sliding pin cavities, the sliding pin cavities are communicated with a hydraulic oil way, and a control valve is arranged on the hydraulic oil way; the sliding pin intracavity is equipped with the sliding pin, the sliding pin can clamp under return spring's drive the annular in, lock and die the ejector pin, the sliding pin can also be under the control of hydraulic oil reverse motion simultaneously, with the ejector pin unblock.
2. The rocker arm valve control mechanism for dynamically closing the engine cylinder as claimed in claim 1, wherein two first sliding pin chambers are provided in said intake rocker arm, and the two first sliding pin chambers are disposed opposite to each other.
3. The rocker arm valve control mechanism for dynamically closing an engine cylinder as claimed in claim 1, wherein two second sliding pin chambers are provided on said exhaust rocker arm, and said two second sliding pin chambers are disposed opposite to each other.
4. The rocker arm type valve control mechanism for dynamically closing the cylinder of the engine as claimed in claim 1, wherein the hydraulic oil path comprises a first oil passage provided on the rocker arm shaft base, a second oil passage provided on the rocker arm shaft, a third oil passage provided on the exhaust rocker arm and a fourth oil passage provided on the intake rocker arm, the first oil passage is communicated with the second oil passage, the second oil passage is communicated with the third oil passage and the fourth oil passage respectively, the third oil passage and the fourth oil passage are communicated with the ring grooves on the corresponding ejector pins respectively, and the ring grooves are communicated with the corresponding sliding pin cavities.
5. The rocker arm valve control mechanism for dynamic engine cylinder deactivation of claim 4 wherein said control valve is mounted on said first oil passage.
6. The rocker arm valve control mechanism for dynamically closing the engine cylinder as claimed in claim 1, wherein a cavity is provided from one end of the slide pin toward the inside thereof in the axial direction of the slide pin, a return spring is provided in the cavity, one end of the return spring is fixed to the bottom of the slide pin chamber of the intake rocker arm or the exhaust rocker arm, and the other end thereof is fixed to the bottom of the cavity.
7. The rocker arm valve control mechanism for dynamic engine cylinder closing of claim 6, wherein a first retainer is provided at the bottom of said sliding pin chamber, and said return spring is fixed to said first retainer.
8. The rocker arm valve control mechanism for dynamically closing an engine cylinder as claimed in claim 1, further comprising a first resilient means having one end fixed to the first mount and the other end acting on the intake rocker arm.
9. The rocker arm valve control mechanism for dynamically closing an engine cylinder as claimed in claim 1, further comprising a second resilient means having one end fixed to the second mount and the other end acting on the exhaust rocker arm.
10. An engine comprising a rocker arm valve control mechanism for dynamic cylinder closing of an engine as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210914806.6A CN114961917B (en) | 2022-08-01 | 2022-08-01 | Rocker arm type valve control mechanism for dynamic cylinder closing of engine and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210914806.6A CN114961917B (en) | 2022-08-01 | 2022-08-01 | Rocker arm type valve control mechanism for dynamic cylinder closing of engine and engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114961917A true CN114961917A (en) | 2022-08-30 |
| CN114961917B CN114961917B (en) | 2022-11-11 |
Family
ID=82969465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210914806.6A Active CN114961917B (en) | 2022-08-01 | 2022-08-01 | Rocker arm type valve control mechanism for dynamic cylinder closing of engine and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114961917B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117569888A (en) * | 2024-01-19 | 2024-02-20 | 龙口中宇热管理系统科技有限公司 | Dynamic cylinder closing valve control mechanism and control method of engine and engine |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030075129A1 (en) * | 1999-07-01 | 2003-04-24 | Spath Mark J. | Valve lifter assembly for selectively deactivating a cylinder |
| CN102383892A (en) * | 2011-09-28 | 2012-03-21 | 上海交通大学 | Variable air valve lift mechanism of internal combustion engine |
| CN102486107A (en) * | 2010-12-03 | 2012-06-06 | 现代自动车株式会社 | Direct acting cda device |
| KR20140118349A (en) * | 2013-03-29 | 2014-10-08 | 영신정공 주식회사 | Cylinder De-Activation Device with Simple Configuration |
| JP2015224638A (en) * | 2014-05-23 | 2015-12-14 | ジェイコブス ビークル システムズ、インコーポレイテッド | Auxiliary valve motions employing disablement of main valve events and/or coupling of adjacent rocker arms |
| CN108487961A (en) * | 2018-03-27 | 2018-09-04 | 安徽江淮汽车集团股份有限公司 | A kind of variable air valve lift range mechanism |
| CN109779716A (en) * | 2019-03-27 | 2019-05-21 | 大连理工大学 | A kind of compact type mobile driving fulcrum |
| CN112282886A (en) * | 2020-10-27 | 2021-01-29 | 一汽解放汽车有限公司 | Engine cylinder deactivation hydraulic system and vehicle |
| CN112696244A (en) * | 2021-02-21 | 2021-04-23 | 姬腾飞 | Valve drive device for engine and engine |
| US20210254562A1 (en) * | 2018-06-12 | 2021-08-19 | Eaton Intelligent Power Limited | Two stroke engine braking via cylinder deactivation and late intake valve closing |
| CN113898439A (en) * | 2021-08-30 | 2022-01-07 | 东风商用车有限公司 | Valve bridge capable of changing valve motion |
-
2022
- 2022-08-01 CN CN202210914806.6A patent/CN114961917B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030075129A1 (en) * | 1999-07-01 | 2003-04-24 | Spath Mark J. | Valve lifter assembly for selectively deactivating a cylinder |
| CN102486107A (en) * | 2010-12-03 | 2012-06-06 | 现代自动车株式会社 | Direct acting cda device |
| CN102383892A (en) * | 2011-09-28 | 2012-03-21 | 上海交通大学 | Variable air valve lift mechanism of internal combustion engine |
| KR20140118349A (en) * | 2013-03-29 | 2014-10-08 | 영신정공 주식회사 | Cylinder De-Activation Device with Simple Configuration |
| JP2015224638A (en) * | 2014-05-23 | 2015-12-14 | ジェイコブス ビークル システムズ、インコーポレイテッド | Auxiliary valve motions employing disablement of main valve events and/or coupling of adjacent rocker arms |
| CN108487961A (en) * | 2018-03-27 | 2018-09-04 | 安徽江淮汽车集团股份有限公司 | A kind of variable air valve lift range mechanism |
| US20210254562A1 (en) * | 2018-06-12 | 2021-08-19 | Eaton Intelligent Power Limited | Two stroke engine braking via cylinder deactivation and late intake valve closing |
| CN109779716A (en) * | 2019-03-27 | 2019-05-21 | 大连理工大学 | A kind of compact type mobile driving fulcrum |
| CN112282886A (en) * | 2020-10-27 | 2021-01-29 | 一汽解放汽车有限公司 | Engine cylinder deactivation hydraulic system and vehicle |
| CN112696244A (en) * | 2021-02-21 | 2021-04-23 | 姬腾飞 | Valve drive device for engine and engine |
| CN113898439A (en) * | 2021-08-30 | 2022-01-07 | 东风商用车有限公司 | Valve bridge capable of changing valve motion |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117569888A (en) * | 2024-01-19 | 2024-02-20 | 龙口中宇热管理系统科技有限公司 | Dynamic cylinder closing valve control mechanism and control method of engine and engine |
| CN117569888B (en) * | 2024-01-19 | 2024-04-16 | 龙口中宇热管理系统科技有限公司 | Dynamic cylinder closing valve control mechanism and control method of engine and engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114961917B (en) | 2022-11-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11821344B2 (en) | Engine braking castellation mechanism | |
| EP0515520B1 (en) | Valve control means | |
| JP2778930B2 (en) | Two-stage valve lifter | |
| CN107023342B (en) | Variable-mode valve driving system | |
| EP1544422B1 (en) | Valve deactivation system and latchable hydraulic lash adjuster therefore | |
| US5253621A (en) | Valve control means | |
| WO2018223803A1 (en) | Compact multi-mode valve driving system | |
| CN107100686B (en) | Single camshaft switch fulcrum type variable-mode valve driving system | |
| EP0265191A1 (en) | Valve operating mechanism in an internal combustion engine | |
| CN107939472B (en) | Two-stroke compression release type braking device of integrated engine and braking method thereof | |
| CN110566315B (en) | Compression release type engine in-cylinder braking device | |
| CN114961917B (en) | Rocker arm type valve control mechanism for dynamic cylinder closing of engine and engine | |
| WO2019173578A1 (en) | Rocker arm control systems | |
| CN109973168B (en) | Multi-mode fully-variable mechanism | |
| CN109854325B (en) | Two-stroke auxiliary braking mechanism | |
| CN108487962B (en) | Valve control device of engine | |
| CN104018905A (en) | Variable stroke engine hydraulic type air distribution switching mechanism | |
| EP0639693B1 (en) | Valve operating device for internal combustion engine | |
| CN116557100B (en) | Engine hydraulic variable valve mechanism and working method | |
| US5701857A (en) | Cylinder valve operating system | |
| CN109184844B (en) | Electromagnetic collapsible valve bridge device | |
| CN113891986A (en) | Finger follower for lobe switching and single source lost motion | |
| CN114575954B (en) | Rocker arm mechanism | |
| WO2022048072A1 (en) | High-efficiency multi-stage brake mechanism | |
| KR101855771B1 (en) | Cylinder deactivation engine and hydraulic pressure control method thereof |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Rocker Arm Valve Control Mechanism and Engine for Dynamic Cylinder Closing of an Engine Granted publication date: 20221111 Pledgee: Longkou Daoen Shengrong Small Loan Co.,Ltd. Pledgor: LONGKOU ZHONGYU THERMAL MANAGEMENT SYSTEM TECHNOLOGY Co.,Ltd. Registration number: Y2024980024886 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |