CN204755047U - EGR structure of integrated form exhaust manifold assembly and engine - Google Patents
EGR structure of integrated form exhaust manifold assembly and engine Download PDFInfo
- Publication number
- CN204755047U CN204755047U CN201520489256.3U CN201520489256U CN204755047U CN 204755047 U CN204755047 U CN 204755047U CN 201520489256 U CN201520489256 U CN 201520489256U CN 204755047 U CN204755047 U CN 204755047U
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- CN
- China
- Prior art keywords
- egr
- axis
- exhaust manifold
- tracheae
- main body
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- 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.)
- Expired - Fee Related
Links
- 210000003437 trachea Anatomy 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 37
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
Abstract
The utility model provides an integrated form exhaust manifold assembly, including exhaust manifold main part and follow a plurality of exhaust branch that the exhaust manifold main part is stretched out, the exhaust manifold main part is still stretched out EGR and is got trachea and booster connecting pipe, the axis of exhaust manifold main part EGR gets tracheal axis and reaches the axis of booster connecting pipe is on a parallel with X axle, Y axle and Z axle respectively, EGR get the trachea the booster connecting pipe is located both ends between the exhaust branch. The utility model also provides a EGR structure of engine. The utility model has the advantages of compact structure.
Description
Technical field
The utility model relates to engine art, is specifically related to the egr of integrated exhaust manifolds assembly and motor.
Background technique
Exhaust gas recirculatioon (ExhaustGasRecirculation is called for short EGR) is applied to motor more and more widely due to its feature of environmental protection.Along with motor vehicle emission requires upgrading, EGR route is a kind of conventional method realizing state four discharge, simultaneously in order to adapt to different assembling demands, has more integrated and compactness requirement to diesel engine exhaust system.
The egr of motor of the prior art as shown in Figure 1, EGR gets the intake interface horizontal alignment of each exhaust branch pipe of tracheae 5 and exhaust manifold assembly 1, cooler for recycled exhaust gas 3 is arranged on rear side of cylinder cap 4, gas of combustion passes through exhaust branch pipe, a part is got tracheae 5 by EGR and is again participated in burning through cooler for recycled exhaust gas 3, another part waste gas enters pressurized machine assembly 2 through pressurized machine connecting tube, then is discharged by after-treatment device and car load gas exhaust piping.Traditional is placed on engine rear end by cooler for recycled exhaust gas 3, can bring the too small problem of periphery and cooler for recycled exhaust gas gap when arranging some less vehicles.
Model utility content
The purpose of this utility model makes the structure of motor compact further, and embodiment of the present utility model provides following technological scheme for this reason:
A kind of integrated exhaust manifolds assembly, the multiple exhaust branch pipes comprising gas exhaust manifold main body and stretch out from described gas exhaust manifold main body, described gas exhaust manifold main body is also stretched out EGR and is got tracheae and pressurized machine connecting tube, the axis of axis and described pressurized machine connecting tube that the axis of described gas exhaust manifold main body, described EGR get tracheae is parallel to X-axis, Y-axis and Z axis respectively, and described EGR gets tracheae, described pressurized machine connecting tube between the described exhaust branch pipe at most two ends.
Preferably, the axis that described EGR gets tracheae is positioned at above the Z-direction of the axis of described gas exhaust manifold main body.
Preferably, described gas exhaust manifold main body is provided with fixing lug.
Preferably, described EGR gets the end face of tracheae, the end face of described pressurized machine connecting tube is flanged surface.
Preferably, the internal diameter that described EGR gets tracheae is 25mm-35mm, and the internal diameter of described gas exhaust manifold main body is 30mm-40mm, the attachment face 45mm-55mm of exhaust branch pipe described in the axial line distance of described gas exhaust manifold main body.
A kind of egr of motor, comprise integrated exhaust manifolds assembly as above, EGR valve, EGR connecting tube, cooler for recycled exhaust gas, cylinder cap and cylinder cap guard shield, described integrated exhaust manifolds assembly is arranged on the exhaust side of described motor, described EGR valve is arranged on described EGR and gets on tracheae, described EGR connecting tube and described EGR get tracheae and to be connected and described EGR connecting tube strides across the air inlet side that described cylinder cap and described cylinder cap guard shield arrive described motor, and described cooler for recycled exhaust gas connects described EGR connecting tube.
EGR is got tracheae by embodiment of the present utility model, pressurized machine connecting tube becomes three-dimensional to be arranged vertically with the axis of gas exhaust manifold main body, and EGR is got tracheae, pressurized machine connecting tube is arranged between the exhaust branch pipe at most two ends, this can stride across arrival air inlet side from the top of cylinder cap easily with regard to making EGR connecting tube, and do not need the rear end spaces taking motor, thus achieve the compact of structure.
Further, the axis that EGR gets tracheae is positioned at the top of the axis of gas exhaust manifold main body, and the design of each tubing internal diameter, and the rationality having taken into account EGR exhaust cycle and capacity for wind is distributed.
Accompanying drawing explanation
Fig. 1 is the plan view of the egr of the motor of prior art;
Fig. 2 is the plan view of the integrated exhaust manifolds assembly of embodiment of the present utility model;
Fig. 3 is the plan view of the egr of embodiment of the present utility model.
Description of symbols in figure: 1, gas exhaust manifold main body, 2, pressurized machine assembly, 3, cooler for recycled exhaust gas, 4, cylinder cap, 5, EGR gets tracheae, 6, gas exhaust manifold main body, 7, exhaust branch pipe, 8, pressurized machine connecting tube, 9, EGR gets tracheae, 10, attachment face, 11, lug, 12, EGR valve, 13, EGR connecting tube, 14, cooler for recycled exhaust gas, 15, cylinder cap, 16, cylinder cap guard shield.
Embodiment
With reference to figure 2, the integrated exhaust manifolds assembly of the present embodiment, the multiple exhaust branch pipes 7 be communicated with gas exhaust manifold main body 6 comprising gas exhaust manifold main body 6 and stretch out from gas exhaust manifold main body 6, EGR get tracheae 9 and pressurized machine connecting tube 8.The axis A of gas exhaust manifold main body 6 is parallel with the X-axis in diagram, EGR gets the axis C parallel with Y-axis (Y-axis is the axis perpendicular to paper) of tracheae 9, the axis B of pressurized machine connecting tube 8 is parallel with the Z axis in diagram, namely EGR get tracheae 9, pressurized machine connecting tube 8 and gas exhaust manifold main body 6 three axis mutual vertical in solid space.EGR gets tracheae 9, pressurized machine connecting tube 8 between the exhaust branch pipe 7 at most two ends.The end face of exhaust branch pipe 7 is the attachment face 10 of fitting with cylinder, thus enables exhaust enter gas exhaust manifold main body 6 from each exhaust branch pipe 7.EGR gets the end face of tracheae 9, the end face of pressurized machine connecting tube 8 is flanged surface.The axis C that EGR gets tracheae 9 is positioned at above the Z-direction of axis A of gas exhaust manifold main body.Gas exhaust manifold main body 6 is provided with multiple fixing lug 11, for installing thermal shield.The internal diameter that EGR gets tracheae 9 is 25mm-35mm, and the internal diameter of gas exhaust manifold main body 6 is 30mm-40mm, and the distance of the attachment face 10 of the axis A distance exhaust branch pipe 7 of gas exhaust manifold main body 6 is 45mm-55mm.The outer surface that gas exhaust manifold main body 6, exhaust branch pipe 7, pressurized machine connecting tube 8 and EGR get tracheae 9 adopts Dacroment process.
With reference to figure 3, the cylinder cap guard shield 16 that the egr of the motor of the present embodiment comprises integrated exhaust manifolds assembly as shown in Figure 2, EGR valve 12, EGR connecting tube 13, cooler for recycled exhaust gas 14, cylinder cap 15 and is arranged on cylinder cap 15.Integrated exhaust manifolds assembly is arranged on the exhaust side of motor, and particularly, attachment face 10 is fitted the relief opening of motor fastening.EGR valve 12 is arranged on EGR and gets on tracheae 9, and EGR connecting tube 13 is got tracheae 9 by EGR valve 12 with EGR again and is connected.Be arranged between the exhaust branch pipe 7 at most two ends because EGR gets tracheae 9, therefore after connecting, EGR connecting tube 13 can stride across the air inlet side that cylinder cap 15 and cylinder cap guard shield 16 arrive motor, then cooler for recycled exhaust gas 14 connects EGR connecting tube 13, so just do not need the rear end spaces taking motor, thus achieve the compact of structure.
And the axis C that EGR gets tracheae 9 is positioned at the top of the axis A of gas exhaust manifold main body 6, and the design of each tubing internal diameter, the rationality having taken into account air quantity and the capacity for wind being back to firing chamber in EGR exhaust cycle is distributed.
Although the utility model is described in conjunction with above embodiment, but the utility model is not limited to above-described embodiment, and only by the restriction of claim, those of ordinary skill in the art can easily modify to it and change, but do not leave essential idea of the present utility model and scope.
Claims (6)
1. an integrated exhaust manifolds assembly, it is characterized in that, the multiple exhaust branch pipes comprising gas exhaust manifold main body and stretch out from described gas exhaust manifold main body, described gas exhaust manifold main body is also stretched out EGR and is got tracheae and pressurized machine connecting tube, the axis of axis and described pressurized machine connecting tube that the axis of described gas exhaust manifold main body, described EGR get tracheae is parallel to X-axis, Y-axis and Z axis respectively, and described EGR gets tracheae, described pressurized machine connecting tube between the described exhaust branch pipe at most two ends.
2. integrated exhaust manifolds assembly according to claim 1, is characterized in that, the axis that described EGR gets tracheae is positioned at above the Z-direction of the axis of described gas exhaust manifold main body.
3. integrated exhaust manifolds assembly according to claim 1, is characterized in that, described gas exhaust manifold main body is provided with fixing lug.
4. integrated exhaust manifolds assembly according to claim 1, is characterized in that, described EGR gets the end face of tracheae, the end face of described pressurized machine connecting tube is flanged surface.
5. integrated exhaust manifolds assembly according to claim 1, it is characterized in that, the internal diameter that described EGR gets tracheae is 25mm-35mm, and the internal diameter of described gas exhaust manifold main body is 30mm-40mm, the attachment face 45mm-55mm of exhaust branch pipe described in the axial line distance of described gas exhaust manifold main body.
6. the egr of a motor, it is characterized in that, comprise the integrated exhaust manifolds assembly as described in any one in claim 1-5, EGR valve, EGR connecting tube, cooler for recycled exhaust gas, cylinder cap and cylinder cap guard shield, described integrated exhaust manifolds assembly is arranged on the exhaust side of described motor, described EGR valve is arranged on described EGR and gets on tracheae, described EGR connecting tube and described EGR get tracheae and to be connected and described EGR connecting tube strides across the air inlet side that described cylinder cap and described cylinder cap guard shield arrive described motor, and described cooler for recycled exhaust gas connects described EGR connecting tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520489256.3U CN204755047U (en) | 2015-07-07 | 2015-07-07 | EGR structure of integrated form exhaust manifold assembly and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520489256.3U CN204755047U (en) | 2015-07-07 | 2015-07-07 | EGR structure of integrated form exhaust manifold assembly and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204755047U true CN204755047U (en) | 2015-11-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520489256.3U Expired - Fee Related CN204755047U (en) | 2015-07-07 | 2015-07-07 | EGR structure of integrated form exhaust manifold assembly and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204755047U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11255299B2 (en) | 2019-05-31 | 2022-02-22 | Ford Global Technologies, Llc | Systems and methods for an exhaust gas recirculation valve cartridge in an integrated exhaust manifold cylinder head |
-
2015
- 2015-07-07 CN CN201520489256.3U patent/CN204755047U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11255299B2 (en) | 2019-05-31 | 2022-02-22 | Ford Global Technologies, Llc | Systems and methods for an exhaust gas recirculation valve cartridge in an integrated exhaust manifold cylinder head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20190707 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |