CN203640868U - Automobile EGR (exhaust gas recirculation) valve - Google Patents
Automobile EGR (exhaust gas recirculation) valve Download PDFInfo
- Publication number
- CN203640868U CN203640868U CN201420016273.0U CN201420016273U CN203640868U CN 203640868 U CN203640868 U CN 203640868U CN 201420016273 U CN201420016273 U CN 201420016273U CN 203640868 U CN203640868 U CN 203640868U
- Authority
- CN
- China
- Prior art keywords
- valve
- cooling circuit
- valve seat
- automobile egr
- automobile
- 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.)
- Expired - Lifetime
Links
- 238000001816 cooling Methods 0.000 claims abstract description 37
- 239000007789 gas Substances 0.000 claims abstract description 8
- 239000002912 waste gas Substances 0.000 claims description 12
- 239000000446 fuel Substances 0.000 abstract description 6
- 239000013618 particulate matter Substances 0.000 abstract description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract 6
- 239000002699 waste material Substances 0.000 abstract 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- 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
Abstract
The utility model discloses an automobile EGR (exhaust gas recirculation) valve. The automobile EGR valve comprises a valve seat, a bonnet, an exhaust pipeline and a cooling circuit. The bonnet is arranged above the valve seat, and the waste pipeline is arranged on the valve seat. The cooling circuit used for cooling the waste pipeline is arranged between the valve seat and the bonnet. By the automobile EGR valve, the problem, that fuel consumption and particulate-matter fuel consumption are obviously increased when NOx (nitrogen oxide) emission is reduced, of existing automobile EGR valves can be effectively solved; the automobile EGR valve is simple and reasonable in structure, and can be widely applied to the field of automobile EGR valves.
Description
Technical field
The utility model relates to EGR valve, relates in particular to a kind of automobile EGR valve.
Background technique
EGR (EGR) technology is to reduce at present the first-selection of automobile-used vapour/Diesel NOx discharge.Because the waste gas of vapour/diesel emission is a kind of inert gas (through burning, therefore non-response type gas), after mixing with EGR gas, air inlet by reducing the oxygen content of mixed gas, reduces thermal capacitance simultaneously.This will reduce the formation volume of maximum combustion temperature and NOx.And air inlet mixes with inert gas and just mean that the oxygen providing for combustion process is less, thereby can increase the discharge amount of fuel consumption and particulate.To sum up, existing automobile EGR valve exists when reducing NOx discharge amount, can obviously increase the problem of oil consumption and particulate matter fuel consumption.
Model utility content
The purpose of this utility model is to provide a kind of automobile EGR valve, solves existing automobile EGR valve and exists when reducing NOx discharge amount, can obviously increase the problem of oil consumption and particulate matter fuel consumption.
The utility model solves the technological scheme that its technical problem adopts: a kind of automobile EGR valve, comprise valve seat, be arranged on the valve gap of valve seat top, be arranged on the exhaust piping on valve seat, also comprise the cooling circuit for cooled exhaust air pipeline, described cooling circuit is arranged between valve seat and valve gap.
Further, described exhaust piping is provided with exhaust gas inlet end and waste gas outlet end, and described cooling circuit is arranged on waste gas outlet end top.
Preferably, described cooling circuit is U-shaped cooling circuit, and the end of described cooling circuit is provided with the bend pipe for being connected with cooling system.
Preferably, described cooling circuit is one-body molded between valve seat and valve gap.
The beneficial effects of the utility model: by cooling circuit is set, waste gas in exhaust piping is carried out to cooling processing, thereby increase EGR density, and then can farthest reduce the capacity conflict between air inlet and waste gas, thereby reach not obvious increase oil consumption and granular material discharged object when reducing NOx discharge amount.Exhaust piping is provided with exhaust gas inlet end and waste gas outlet end, cooling circuit is arranged on waste gas outlet end top, can make cooling circuit better to the cooling effect of waste gas, and then the better effects if of not obvious increase oil consumption and particulate matter when making to reduce NOx discharge amount.Cooling circuit is U-shaped cooling circuit, and the end of described cooling circuit is provided with the bend pipe for being connected with cooling system, makes structure more reasonable.Cooling circuit is one-body molded between valve seat and valve gap, makes structure more reasonable.
The utility model can effectively solve existing automobile EGR valve and exist when reducing NOx discharge amount, can obviously increase the problem of oil consumption and particulate matter fuel consumption, and simple and reasonable for structure, can be widely used in automobile EGR valve field.
Below with reference to drawings and Examples, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Claims (4)
1. an automobile EGR valve, comprise valve seat (1), be arranged on the valve gap (2) of valve seat top, be arranged on the exhaust piping on valve seat (1), it is characterized in that: also comprise the cooling circuit (3) for cooled exhaust air pipeline, described cooling circuit (3) is arranged between valve seat (1) and valve gap (2).
2. automobile EGR valve according to claim 1, is characterized in that: described exhaust piping is provided with exhaust gas inlet end (4) and waste gas outlet end (5), and described cooling circuit (4) is arranged on waste gas outlet end (5) top.
3. automobile EGR valve according to claim 1 and 2, is characterized in that: described cooling circuit (3) is U-shaped cooling circuit, and the end of described cooling circuit (3) is provided with the bend pipe (6) for being connected with cooling system.
4. automobile EGR valve according to claim 3, is characterized in that: described cooling circuit (4) is one-body molded between valve seat (1) and valve gap (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420016273.0U CN203640868U (en) | 2014-01-10 | 2014-01-10 | Automobile EGR (exhaust gas recirculation) valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420016273.0U CN203640868U (en) | 2014-01-10 | 2014-01-10 | Automobile EGR (exhaust gas recirculation) valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203640868U true CN203640868U (en) | 2014-06-11 |
Family
ID=50872122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420016273.0U Expired - Lifetime CN203640868U (en) | 2014-01-10 | 2014-01-10 | Automobile EGR (exhaust gas recirculation) valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203640868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373252A (en) * | 2014-08-01 | 2015-02-25 | 安徽天利动力股份有限公司 | EGR valve mechanism provided with cooling cavity |
-
2014
- 2014-01-10 CN CN201420016273.0U patent/CN203640868U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373252A (en) * | 2014-08-01 | 2015-02-25 | 安徽天利动力股份有限公司 | EGR valve mechanism provided with cooling cavity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140611 |
|
| CX01 | Expiry of patent term |