CN211202155U - EGR pipeline integrated structure of engine cylinder head cover - Google Patents
EGR pipeline integrated structure of engine cylinder head cover Download PDFInfo
- Publication number
- CN211202155U CN211202155U CN201922349029.1U CN201922349029U CN211202155U CN 211202155 U CN211202155 U CN 211202155U CN 201922349029 U CN201922349029 U CN 201922349029U CN 211202155 U CN211202155 U CN 211202155U
- Authority
- CN
- China
- Prior art keywords
- egr
- cylinder head
- head cover
- pipeline
- exhaust
- 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
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses an engine cylinder head cover's EGR pipeline integrated configuration, include air intake manifold, EGR blast pipe, cylinder head cover and integrate the oil-gas separation room on the cylinder head cover, the oil-gas separation room passes through the pipeline structural connection air intake manifold, its characterized in that: and the air inlet end of the pipeline structure is communicated with the exhaust end of the oil-gas separation chamber and the EGR exhaust pipe, and the exhaust end of the pipeline structure is connected with the air inlet manifold. The utility model discloses simple structure, reasonable in design, engine outside pipeline length is short, and is clean and tidy pleasing to the eye, has saved the required space of EGR technique on whole car arranges, has reduced manufacturing procedure, has reduced spare part cost. Meanwhile, the phenomena of pipeline icing and engine oil emulsification under the low-temperature severe working condition are effectively avoided, the engine oil consumption is reduced, and the load combustion efficiency is improved.
Description
Technical Field
The utility model relates to an engine technology field specifically indicates an EGR pipeline integrated configuration of engine cylinder head cover.
Background
In the field of automobile engines, the emission standard is becoming more and more stringent, and the exhaust gas recirculation EGR technology (technology for separating a part of exhaust gas after combustion treatment and circulating the exhaust gas back to the air inlet side for combustion) is widely applied in the field of engines, and mainly aims at reducing the content of nitrogen oxides in emissions and improving the fuel consumption rate at partial load. In the prior art, a common EGR passage structure occupies larger arrangement space due to technical requirements, so that the space arrangement efficiency is not improved; in addition, the EGR passage in the prior art needs a multi-section passage machining process, and the part machining cost is higher.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above-mentioned background art not enough, provide a simple structure, little engine cylinder head cover's EGR pipeline integrated configuration of occupation space.
For realizing this purpose, the utility model discloses an engine cylinder head cover's EGR pipeline integrated configuration, include air intake manifold, EGR blast pipe, cylinder head cover and integrate the oil-gas separation room on the cylinder head cover, the oil-gas separation room passes through the pipeline structural connection air intake manifold, its characterized in that: and the air inlet end of the pipeline structure is communicated with the exhaust end of the oil-gas separation chamber and the EGR exhaust pipe, and the exhaust end of the pipeline structure is connected with the air inlet manifold.
Further, the pipeline structure comprises a shell pipe section integrated on the cylinder head cover and a rubber pipe section connecting an exhaust end of the shell pipe section and the intake manifold, and an intake end of the shell pipe section is communicated with an exhaust end of the oil-gas separation chamber and the EGR exhaust pipe.
Furthermore, the exhaust end of the EGR exhaust pipe is fixed in an exhaust pipe support, the air inlet end of the shell pipe section is fixedly connected with the exhaust pipe support through a flange, and the exhaust pipe support is a hollow shell communicated with the air inlet end of the shell pipe section.
Furthermore, a sealing ring is fixed between the flange and the air inlet end of the shell pipe section.
Furthermore, a connecting joint is fixed at the exhaust end of the shell pipe section, and the air inlet end of the rubber pipe section is fixed in the connecting joint.
The utility model has the advantages that: the utility model discloses simple structure, reasonable in design, engine outside pipeline length is short, and is clean and tidy pleasing to the eye, has saved the required space of EGR technique on whole car arranges, has reduced manufacturing procedure, has reduced spare part cost. Meanwhile, the phenomena of pipeline icing and engine oil emulsification under the low-temperature severe working condition are effectively avoided, the engine oil consumption is reduced, and the load combustion efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the structure layout of the present invention in the whole system;
FIG. 2 is a top view of a cylinder head cover with an integrated EGR structure;
FIG. 3 is a schematic view of gas flow within an EGR integrated structure;
the exhaust gas recirculation system comprises a cylinder head cover (1.1-an oil-gas separation chamber), a shell pipe section (2.1-a flange and 2.2-a connecting joint), an EGR exhaust pipe (3), a rubber pipe section (4), an intake manifold (5), an exhaust pipe support (6) and a sealing ring (7).
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
The EGR pipeline integrated structure of the engine cylinder head cover shown in fig. 1-3 comprises an intake manifold 5, an EGR exhaust pipe 3, a cylinder head cover 1 and an oil-gas separation chamber 1.1 integrated on the cylinder head cover 1, wherein the oil-gas separation chamber 1.1 is connected with the intake manifold 5 through a pipeline structure, an intake end of the pipeline structure is communicated with an exhaust end of the oil-gas separation chamber 1.1 and the EGR exhaust pipe 3, and an exhaust end of the pipeline structure is connected with the intake manifold 5.
The pipeline structure comprises a shell pipeline section 2 integrated on the cylinder head cover 1 and a rubber pipe section 4 connecting the exhaust end of the shell pipeline section 2 and an intake manifold 5: the exhaust end of the shell pipe section 2 is fixed with a connecting joint 2.2, and the air inlet end of the rubber pipe section 4 is fixed in the connecting joint 2.2.
The air inlet end of the shell pipe section 2 is communicated with the air outlet end of the oil-gas separation chamber 1.1 and the EGR exhaust pipe 3: in EGR blast pipe 3's exhaust end was fixed in blast pipe support 6, the inlet end of casing pipeline section 2 passed through flange 2.1 fixed connection with blast pipe support 6, blast pipe support 6 was the hollow shell with the inlet end intercommunication of casing pipeline section 2, was fixed with sealing washer 7 between the inlet end of flange 2.1 and casing pipeline section 2.
The utility model discloses in, during the engine part load operating mode, crankcase ventilation system gas is through the back of oil-gas separation chamber 1.1 processing, flows into the pipeline structure, and flows back to intake manifold 5 with the cooling waste gas that flows out from EGR blast pipe 3 jointly and recycles. The gas passing through the EGR valve has high temperature and high flow speed, reduces the phenomena of freezing of pipelines and engine oil emulsification in cold regions, reduces the engine oil consumption and improves the combustion efficiency. The housing pipe section 2 passes through the cylinder head cover 1 and is integrally co-injection-molded, and the materials are the same. The arrangement is neat and beautiful, and the arrangement space and the production cost are saved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention all still fall within the scope of the technical solution of the present invention.
Claims (5)
1. An EGR pipeline integrated structure of an engine cylinder head cover comprises an intake manifold (5), an EGR exhaust pipe (3), a cylinder head cover (1) and an oil-gas separation chamber (1.1) integrated on the cylinder head cover (1), wherein the oil-gas separation chamber (1.1) is connected with the intake manifold (5) through a pipeline structure, and is characterized in that: the air inlet end of the pipeline structure is communicated with the exhaust end of the oil-gas separation chamber (1.1) and the EGR exhaust pipe (3), and the exhaust end of the pipeline structure is connected with the air inlet manifold (5).
2. The EGR duct integration structure of an engine cylinder head cover according to claim 1, wherein: the pipeline structure comprises a shell pipe section (2) integrated on the cylinder head cover (1) and a rubber pipe section (4) connecting an exhaust end of the shell pipe section (2) and the intake manifold (5), wherein an intake end of the shell pipe section (2) is communicated with an exhaust end of the oil-gas separation chamber (1.1) and the EGR exhaust pipe (3).
3. The EGR duct integration structure of an engine cylinder head cover according to claim 2, wherein: the exhaust end of the EGR exhaust pipe (3) is fixed in an exhaust pipe support (6), the air inlet end of the shell pipe section (2) is fixedly connected with the exhaust pipe support (6) through a flange (2.1), and the exhaust pipe support (6) is a hollow shell communicated with the air inlet end of the shell pipe section (2).
4. The EGR duct integration structure of an engine cylinder head cover according to claim 3, wherein: and a sealing ring (7) is fixed between the flange (2.1) and the air inlet end of the shell pipe section (2).
5. The EGR duct integration structure of an engine cylinder head cover according to claim 2, wherein: the exhaust end of the shell pipe section (2) is fixed with a connecting joint (2.2), and the air inlet end of the rubber pipe section (4) is fixed in the connecting joint (2.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922349029.1U CN211202155U (en) | 2019-12-24 | 2019-12-24 | EGR pipeline integrated structure of engine cylinder head cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922349029.1U CN211202155U (en) | 2019-12-24 | 2019-12-24 | EGR pipeline integrated structure of engine cylinder head cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211202155U true CN211202155U (en) | 2020-08-07 |
Family
ID=71855812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922349029.1U Active CN211202155U (en) | 2019-12-24 | 2019-12-24 | EGR pipeline integrated structure of engine cylinder head cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211202155U (en) |
-
2019
- 2019-12-24 CN CN201922349029.1U patent/CN211202155U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6267106B1 (en) | Induction venturi for an exhaust gas recirculation system in an internal combustion engine | |
| CN107654314B (en) | Engine system | |
| US7793498B2 (en) | Integrated charge air cooler and exhaust gas recirculation mixer | |
| US7287379B2 (en) | Turbo compressor system for internal combustion engine comprising two serially placed turbo units with their rotation axes essentially concentric | |
| US20070119171A1 (en) | Turbocharged engine system and method of operation | |
| JP2004092646A (en) | Supercharging device for internal-combustion engine | |
| US10184484B2 (en) | Single inlet/outlet connection for turbocharger compressor | |
| JP2002089375A (en) | Egr device for internal combustion engine | |
| CN213331330U (en) | Air inlet system of supercharged engine for vehicle | |
| JP2008513671A (en) | Pipeline for turbocharger system of internal combustion engine | |
| US20160153337A1 (en) | Engine system having turbocharger | |
| CN211202155U (en) | EGR pipeline integrated structure of engine cylinder head cover | |
| WO2008032975A1 (en) | Air inhalation device for use in an internal combustion engine | |
| US7069894B2 (en) | Intake manifold having intake pipes linked by transverse acoustic synchronization channels with exhaust gas recirculation inlets | |
| CN206448886U (en) | Cooling system for recycled exhaust gas | |
| JP2003028008A (en) | Egr device of internal combustion engine | |
| CN115217689A (en) | Internal combustion engine system | |
| CN103437922A (en) | Optimization device for intake pipe of diesel engine | |
| CN209308859U (en) | A kind of new E GR system | |
| US9464597B2 (en) | Engine system | |
| CN212671914U (en) | Exhaust manifold connection structure, engine and vehicle | |
| US20120204561A1 (en) | Kit for producing automobiles with different engine variants | |
| CN219452256U (en) | Engine thermal cycle system and car | |
| CN104271931A (en) | Improvements in valves | |
| CN108612603A (en) | Combination cooling gas recirculation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |