CN108869109B - Integrated control valve for regulating exhaust gas flow - Google Patents
Integrated control valve for regulating exhaust gas flow Download PDFInfo
- Publication number
- CN108869109B CN108869109B CN201810840477.9A CN201810840477A CN108869109B CN 108869109 B CN108869109 B CN 108869109B CN 201810840477 A CN201810840477 A CN 201810840477A CN 108869109 B CN108869109 B CN 108869109B
- Authority
- CN
- China
- Prior art keywords
- waste gas
- flow channel
- valve
- shaft
- gas flow
- 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.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/14—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system
- F02M26/16—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system with EGR valves located at or near the connection to the exhaust system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
-
- 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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
Abstract
The integrated control valve for regulating waste gas flow rate includes valve body and air flow regulator inside the second flow passage cavity of the valve body. One end of a shaft lever on the air flow adjusting device penetrates through shaft holes of a first shaft sleeve and a second shaft sleeve on the valve body and is inserted into a shaft hole of a shaft lever seat, a first valve plate on the air flow adjusting device is positioned in a flow channel of a first waste gas flow channel, a second valve plate is positioned in a flow channel of a second waste gas flow channel, a sealing ring, a gasket, a spring and a spring seat ring are sequentially installed on the shaft lever at the connecting end of the shaft lever and the control handle, one end of the spring is propped against the gasket, and the other end of the spring is propped against the spring seat ring.
Description
Technical Field
The invention relates to the technical field of automobile engine exhaust gas control systems, in particular to an integrated control valve which can simultaneously adjust the flow of exhaust gas of a turbocharger and EGR in an engine exhaust gas control system.
Background
The runners of a double-runner control valve in the existing automobile engine exhaust gas control system are separately arranged and are not communicated with each other, one runner corresponds to a turbocharger, one runner corresponds to EGR (exhaust gas recirculation), two valve plates in an air flow adjusting device are arranged on the same shaft rod, and the two valve plates are either opened or closed simultaneously in the runners, so that the control on the exhaust gas flow in the two runners is simultaneously increased or reduced. Along with the requirement improvement of harmful substance reduction in automobile field to engine exhaust turbocharging technique and exhaust emissions, current double flow control valve has following problem: because the control of the exhaust gas flow by the existing double-flow-passage control valve is simultaneously increased or reduced, when the turbocharger obtains the required engine exhaust gas flow, namely the working condition of the turbocharger is in the optimal state, the EGR control system does not work at the optimal working condition point, and the condition of the optimal EGR rate cannot be achieved. When the EGR control system works at the optimal working condition point and the optimal EGR rate condition is achieved, the working condition of the turbocharger is not in the optimal state. Therefore, the combustion process of the engine does not reach the optimal condition all the time, and finally the nitrogen oxide composition in the controlled emissions does not reach the minimum value.
Disclosure of Invention
It is an object of the present invention to overcome the above-mentioned deficiencies of the prior art and to provide an integrated control valve for regulating the flow of exhaust gases.
The technical scheme of the invention is as follows: the integrated control valve for regulating waste gas flow rate includes valve body and air flow regulator inside the second flow passage cavity of the valve body.
The valve body comprises a first flow channel cavity and a second flow channel cavity, the first flow channel cavity and the second flow channel cavity are not communicated with each other, a first waste gas inlet, a second waste gas inlet and a waste gas outlet are respectively arranged in the first flow channel cavity, a third waste gas inlet, a fourth waste gas inlet, a first waste gas flow channel and a second waste gas flow channel are respectively arranged in the second flow channel cavity, a shaft rod seat is arranged on the flow channel of the second waste gas flow channel, a first shaft sleeve is arranged between the second waste gas flow channel and the first waste gas flow channel, a second shaft sleeve is arranged on the flow channel of the first waste gas flow channel, the shaft rod seat, the first shaft sleeve and the second shaft sleeve are in tight fit with the valve body, and the shaft rod seat, the first shaft sleeve and the second shaft sleeve are positioned on the same axis.
The air current adjusting device include the axostylus axostyle, first valve block, second valve block and handle, the axostylus axostyle is fixed on the handle, be equipped with cotter hole and axostylus axostyle hole on the first valve block, the structure of second valve block is the same with first valve block, first valve block and second valve block are fixed on the axostylus axostyle through the pin, first valve block is used for controlling the waste gas flow of first waste gas runner, the second valve block is used for controlling the waste gas flow of second waste gas runner, first valve block staggers each other with the installation angle of second valve block at the axostylus axostyle, the angle of staggering each other will satisfy following condition: when the first valve plate is opened to closed, the second valve plate is closed to opened, the flow of the waste gas flowing out of the second flow channel cavity is guaranteed to be consistent, and the integrated control of the flow of the waste gas in the second flow channel cavity is achieved.
One end of a shaft lever on the airflow adjusting device penetrates through shaft holes of the first shaft sleeve and the second shaft sleeve to be inserted into a shaft hole of the shaft lever seat, the first valve plate is positioned in a flow passage of the first waste gas flow passage, the second valve plate is positioned in a flow passage of the second waste gas flow passage, a sealing ring, a gasket, a spring and a spring seat ring are sequentially arranged on the shaft lever at the connecting end of the shaft lever and the operating handle, one end of the spring is propped against the gasket, and the other end of the spring is propped against the spring seat ring.
When the integrated control valve works, a first waste gas inlet, a second waste gas inlet, a third waste gas inlet and a fourth waste gas inlet in a first flow channel cavity and a second flow channel cavity on the integrated control valve are respectively connected with an engine waste gas outlet, a waste gas outlet in the first flow channel cavity is connected with a turbocharger air inlet, a first waste gas flow channel in a second flow channel cavity is connected with an air inlet of an EGR control system, and a second waste gas flow channel in the second flow channel cavity is also connected with an air inlet of the turbocharger.
Compared with the prior art, the invention has the following characteristics:
1. according to the integrated control valve provided by the invention, the first exhaust gas flow channel and the second exhaust gas flow channel are arranged in the second flow channel cavity, and when the first valve plate is opened to be closed, the second valve plate is closed to be opened, so that the flow of exhaust gas flowing out of the second flow channel cavity is ensured to be consistent, and the integrated control of the flow of the exhaust gas in the second flow channel cavity is realized. Therefore, when the turbocharger obtains the required engine exhaust gas flow, namely the working condition of the turbocharger is in the optimal state, the EGR control system also works at the optimal working condition point to achieve the optimal EGR rate condition. And when the EGR control system works at the optimal working condition point and the optimal EGR rate condition is achieved, the working condition of the turbocharger is in the optimal state. So that the combustion process of the engine reaches the optimal condition, and finally the nitrogen oxide composition in the controlled emissions reaches the minimum value.
2. Compared with the existing control valve, the integrated control valve provided by the invention has the advantages that the application range of the valve is expanded, and the integrated control of the exhaust gas flow of a plurality of devices is developed from the control of the exhaust gas flow of a single device.
The detailed structure of the invention is further described below in conjunction with the drawings and the detailed description.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of a valve body;
FIG. 3 is a schematic view of the structure of the air flow regulating device;
FIG. 4 is a schematic structural diagram of the first valve plate;
fig. 5 is a left side view of fig. 4.
Detailed Description
The integrated control valve for regulating the waste gas flow comprises a valve body 1 and an air flow regulating device 2 arranged in a second flow passage cavity 1-2 of the valve body 1.
The valve body 1 comprises a first flow channel cavity 1-1 and a second flow channel cavity 1-2, the first flow channel cavity 1-1 and the second flow channel cavity 1-2 are not communicated with each other, a first waste gas inlet 1-1-1, a second waste gas inlet 1-1-2 and a waste gas outlet 1-1-3 are respectively arranged in the first flow channel cavity 1-1, and the first waste gas inlet 1-1-1, the second waste gas inlet 1-1-2 and the waste gas outlet 1-1-3 are communicated with the first flow channel cavity 1-1. A third waste gas inlet 1-2-1, a fourth waste gas inlet 1-2-2, a first waste gas flow passage 1-2-3 and a second waste gas flow passage 1-2-4 are respectively arranged in the second flow passage cavity 1-2, a shaft rod seat 3 is arranged on the flow passage of the second waste gas flow passage 1-2-4, a first shaft sleeve 4 is arranged between the second waste gas flow passage 1-2-4 and the first waste gas flow passage 1-2-3, a second shaft sleeve 5 is arranged on the flow passage of the first waste gas flow passage 1-2-3, the shaft rod seat 3, the first shaft sleeve 4 and the second shaft sleeve 5 are tightly matched with the valve body 1, and the shaft rod seat 3, the first shaft sleeve 4 and the second shaft sleeve 5 are positioned on the same axis.
The air flow adjusting device 2 comprises a shaft lever 2-1, a first valve plate 2-2, a second valve plate 2-3 and an operating handle 2-4, the shaft lever 2-1 is fixed on the operating handle 2-4, a pin hole 2-2-1 and a shaft lever hole 2-2-2 are arranged on the first valve plate 2-2, the structure of the second valve plate 2-3 is the same as that of the first valve plate 2-2, the first valve plate 2-2 and the second valve plate 2-3 are fixed on the shaft lever 2-1 through pins, the first valve plate 2-2 is used for controlling the waste gas flow of the first waste gas flow passage 1-2-3, the second valve plate 2-3 is used for controlling the waste gas flow of the second waste gas flow passage 1-2-4, the installation angles of the first valve plate 2-2 and the second valve plate 2-3 on the shaft lever 2-1 are mutually staggered, and the mutually staggered angles meet the following conditions: when the first valve plate 2-2 is opened to closed, the second valve plate 2-3 is closed to opened, the flow of the waste gas flowing out of the second flow channel cavity 1-2 is ensured to be consistent, and the integrated control of the flow of the waste gas in the second flow channel cavity 1-2 is realized.
One end of a shaft lever 2-1 on the airflow adjusting device 2 penetrates through shaft holes of a first shaft sleeve 4 and a second shaft sleeve 5 to be inserted into a shaft hole of a shaft lever seat 3, a first valve plate 2-2 is positioned in a flow passage of a first waste gas flow passage 1-2-3, a second valve plate 2-3 is positioned in a flow passage of a second waste gas flow passage 1-2-4, a sealing ring 7, a gasket 8, a spring 6 and a spring seat ring 9 are sequentially arranged on the shaft lever at the connecting end of the shaft lever 2-1 and an operating handle 2-4, one end of the spring 6 is pressed against the gasket 8, and the other end of the spring 6 is pressed against the spring seat ring 9.
When the integrated control valve works, a first waste gas inlet 1-1-1 and a second waste gas inlet 1-1-2 in a first runner cavity 1-1 and a third waste gas inlet 1-2-1 and a fourth waste gas inlet 1-2-2 in a second runner cavity 1-2 on the integrated control valve are respectively connected with an engine waste gas outlet, a waste gas outlet 1-1-3 in the first runner cavity 1-1 is connected with a gas inlet of a turbocharger, a first waste gas runner 1-2-3 in the second runner cavity 1-2 is connected with a gas inlet of an EGR control system, and a second waste gas runner 1-2-4 in the second runner cavity 1-2 is also connected with a gas inlet of the turbocharger.
Claims (1)
1. The integrated control valve for regulating the waste gas flow is characterized in that: comprises a valve body and an air flow adjusting device arranged in a second flow passage cavity of the valve body;
the valve body comprises a first flow channel cavity and a second flow channel cavity, the first flow channel cavity and the second flow channel cavity are not communicated with each other, a first waste gas inlet, a second waste gas inlet and a waste gas outlet are respectively arranged in the first flow channel cavity, a third waste gas inlet, a fourth waste gas inlet, a first waste gas flow channel and a second waste gas flow channel are respectively arranged in the second flow channel cavity, a shaft rod seat is arranged on the flow channel of the second waste gas flow channel, a first shaft sleeve is arranged between the second waste gas flow channel and the first waste gas flow channel, a second shaft sleeve is arranged on the flow channel of the first waste gas flow channel, the shaft rod seat, the first shaft sleeve and the second shaft sleeve are in tight fit with the valve body, and the shaft rod seat, the first shaft sleeve and the second shaft sleeve are positioned on the same axis;
the air current adjusting device include the axostylus axostyle, first valve block, second valve block and handle, the axostylus axostyle is fixed on the handle, be equipped with cotter hole and axostylus axostyle hole on the first valve block, the structure of second valve block is the same with first valve block, first valve block and second valve block are fixed on the axostylus axostyle through the pin, first valve block is used for controlling the waste gas flow of first waste gas runner, the second valve block is used for controlling the waste gas flow of second waste gas runner, first valve block staggers each other with the installation angle of second valve block at the axostylus axostyle, the angle of staggering each other will satisfy following condition: when the first valve plate is opened to closed, the second valve plate is closed to opened, the flow of the waste gas flowing out of the second flow channel cavity is ensured to be consistent, and the integrated control of the flow of the waste gas in the second flow channel cavity is realized;
one end of a shaft lever on the air flow adjusting device penetrates through shaft holes of a first shaft sleeve and a second shaft sleeve to be inserted into a shaft hole of a shaft lever seat, a first valve plate is positioned in a flow channel of a first waste gas flow channel, a second valve plate is positioned in a flow channel of a second waste gas flow channel, a sealing ring, a gasket, a spring and a spring seat ring are sequentially arranged on the shaft lever at the connecting end of the shaft lever and the control handle, one end of the spring is propped against the gasket, and the other end of the spring is propped against the spring seat ring;
when the integrated control valve works, a first waste gas inlet, a second waste gas inlet, a third waste gas inlet and a fourth waste gas inlet in a first flow channel cavity and a second flow channel cavity on the integrated control valve are respectively connected with an engine waste gas outlet, a waste gas outlet in the first flow channel cavity is connected with a turbocharger air inlet, a first waste gas flow channel in a second flow channel cavity is connected with an air inlet of an EGR control system, and a second waste gas flow channel in the second flow channel cavity is also connected with an air inlet of the turbocharger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810840477.9A CN108869109B (en) | 2018-07-27 | 2018-07-27 | Integrated control valve for regulating exhaust gas flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810840477.9A CN108869109B (en) | 2018-07-27 | 2018-07-27 | Integrated control valve for regulating exhaust gas flow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108869109A CN108869109A (en) | 2018-11-23 |
| CN108869109B true CN108869109B (en) | 2023-04-07 |
Family
ID=64305544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810840477.9A Active CN108869109B (en) | 2018-07-27 | 2018-07-27 | Integrated control valve for regulating exhaust gas flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108869109B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854417B (en) * | 2019-02-28 | 2021-06-18 | 一汽解放汽车有限公司 | Integrated EGR double butterfly valve system |
| CN110145419B (en) * | 2019-05-05 | 2021-03-26 | 一汽解放汽车有限公司 | Internal combustion engine exhaust gas recirculation valve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005061870A1 (en) * | 2003-12-11 | 2005-07-07 | Daimlerchrysler Ag | Combustion engine having an exhaust gas turbocharger and exhaust gas recirculation |
| WO2016032775A1 (en) * | 2014-08-26 | 2016-03-03 | Borgwarner Inc. | Adjustable, low loss valve for providing high pressure loop exhaust gas recirculation |
| CN107882662A (en) * | 2017-12-29 | 2018-04-06 | 无锡隆盛科技股份有限公司 | Binary channels EGR dish valves |
| CN208669464U (en) * | 2018-07-27 | 2019-03-29 | 湖南天雁机械有限责任公司 | Adjust the integrated control valve of exhaust gas flow |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9546591B2 (en) * | 2014-11-26 | 2017-01-17 | Caterpillar Inc. | Exhaust system with exhaust gas recirculation and multiple turbochargers, and method for operating same |
-
2018
- 2018-07-27 CN CN201810840477.9A patent/CN108869109B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005061870A1 (en) * | 2003-12-11 | 2005-07-07 | Daimlerchrysler Ag | Combustion engine having an exhaust gas turbocharger and exhaust gas recirculation |
| WO2016032775A1 (en) * | 2014-08-26 | 2016-03-03 | Borgwarner Inc. | Adjustable, low loss valve for providing high pressure loop exhaust gas recirculation |
| CN107882662A (en) * | 2017-12-29 | 2018-04-06 | 无锡隆盛科技股份有限公司 | Binary channels EGR dish valves |
| CN208669464U (en) * | 2018-07-27 | 2019-03-29 | 湖南天雁机械有限责任公司 | Adjust the integrated control valve of exhaust gas flow |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108869109A (en) | 2018-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2614235B1 (en) | Exhaust-gas turbocharger having a bypass valve | |
| JP4964880B2 (en) | Sequential control valve | |
| CN108869109B (en) | Integrated control valve for regulating exhaust gas flow | |
| US20120198837A1 (en) | Turbocharger control strategy to increase exhaust manifold pressure | |
| CN109653907B (en) | Integrated exhaust gas recirculation valve of engine | |
| RU2015153191A (en) | DEVICE FOR MOTOR BRAKING, INTENDED FOR THE INTERNAL COMBUSTION ENGINE, AND METHOD OF OPERATION OF THE ENGINE BRAKING DEVICE | |
| WO2016001751A1 (en) | Quad layer passage variable geometry turbine for turbochargers in exhaust gas recirculation engines | |
| CN109154229B (en) | Turbine for an exhaust-gas turbocharger | |
| US20130309106A1 (en) | Turbocharger | |
| EP3617491A3 (en) | High efficiency turbocharger with egr system | |
| US9784221B2 (en) | Exhaust gas flow control system for an internal combustion engine | |
| CN201062538Y (en) | Propeller shaft and tube for leak-proof turbocharger bypass valve | |
| CN201059380Y (en) | Gas relief valve | |
| CN208669464U (en) | Adjust the integrated control valve of exhaust gas flow | |
| CN200985843Y (en) | One-way valve | |
| CN204327267U (en) | A kind of air inlet reflux of turbocharger of motor | |
| CN102345537A (en) | Exhaust gas recirculation (egr) apparatus | |
| CN204941705U (en) | A kind of device for improving turbo-charged diesel braking force | |
| CN201826914U (en) | Superposed valve mechanism | |
| CN203892005U (en) | Turbo charging mechanism with two-position two-way pulse width adjusting valve | |
| CN203476537U (en) | Loop-adjustable exhaust gas recirculation system | |
| CN105402023A (en) | Intake control system | |
| CN204140430U (en) | A kind of air compressor gas valve of efficient energy-saving | |
| CN201826907U (en) | Double-channel deflation device of double-runner turbocharger | |
| CN212454651U (en) | Rotary integrated control valve for regulating exhaust gas flow |
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 |