CN204060888U - With the exhaust manifold assembly of ternary catalyzing unit - Google Patents
With the exhaust manifold assembly of ternary catalyzing unit Download PDFInfo
- Publication number
- CN204060888U CN204060888U CN201420461150.8U CN201420461150U CN204060888U CN 204060888 U CN204060888 U CN 204060888U CN 201420461150 U CN201420461150 U CN 201420461150U CN 204060888 U CN204060888 U CN 204060888U
- Authority
- CN
- China
- Prior art keywords
- exhaust manifold
- gas exhaust
- outlet side
- inlet flange
- fan
- 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 - Fee Related
Links
Landscapes
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model relates to a kind of light-off time that can shorten ternary catalyzing unit, accelerate the reaction velocity of ternary catalyzing unit, the discharge of pollutant of DI Deceleration Idle discharge, effectively can reduce inlet flange because of rising-heat contracting-cold and produce the engine cylinder mouth that is out of shape and causes to be connected the band ternary catalyzing unit leaked gas exhaust manifold assembly with gas exhaust manifold.The inlet flange comprising many gas exhaust manifolds and be connected with motor, described inlet flange is provided with the inlet flange hole connecting described gas exhaust manifold, the inlet end of described gas exhaust manifold is connected with described inlet flange hole, the outlet side of described gas exhaust manifold is connected with catalyst converter body, the outlet side end face of described gas exhaust manifold is fan-shaped, the fan-shaped central angle of the outlet side end face of each described gas exhaust manifold is equal, radius in fan-shaped each described outlet side end face is equal, is spliced into circular contour in fan-shaped each described outlet side end face.
Description
Technical field
The utility model relates to automobile exhaust system field, particularly relates to a kind of exhaust manifold assembly with ternary catalyzing unit.
Background technique
The gas exhaust manifold of former 2.4L is always cast iron manifold, and its ternary catalyst purifier is arranged on apart from the position of engine cylinder mouth 640mm, and its purifying effect can reach G III emission request.Will reach G IV emission request in existing position and have certain difficulty, reach G IV emission request can only when not considering cost, increases the bullion content of catalyzer and urge between device and manifold in ternary and increase thermal insulation layer.Within 2018, China will implement the emission standard of G V in each city in the whole nation, and increase thermal insulation layer even if adopt the bullion content of increase catalyzer and urge between device and manifold in ternary, the emission request that reach G V is still very difficult.
Because above-mentioned defect, the design people, actively in addition research and innovation, to founding a kind of exhaust manifold assembly with ternary catalyzing unit, make it have more value in industry.
Model utility content
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of light-off time that can shorten ternary catalyzing unit, accelerate the reaction velocity of ternary catalyzing unit, the discharge of pollutant of DI Deceleration Idle discharge, effectively can reduce inlet flange because of rising-heat contracting-cold and produce the engine cylinder mouth that is out of shape and causes to be connected the band ternary catalyzing unit leaked gas exhaust manifold assembly with gas exhaust manifold.
The exhaust manifold assembly of band ternary catalyzing unit of the present utility model, the inlet flange comprising many gas exhaust manifolds and be connected with motor, described inlet flange is provided with the inlet flange hole connecting described gas exhaust manifold, the inlet end of described gas exhaust manifold is connected with described inlet flange hole, the outlet side of described gas exhaust manifold is connected with catalyst converter body, the outlet side end face of described gas exhaust manifold is fan-shaped, the fan-shaped central angle of the outlet side end face of each described gas exhaust manifold is equal, radius in fan-shaped each described outlet side end face is equal, circular contour is spliced in fan-shaped each described outlet side end face.
Further, described gas exhaust manifold is four, and the fan-shaped central angle of the outlet side end face of gas exhaust manifold described in each is 90 °.
Further, be welded with circular connecting plate between the outlet side of described gas exhaust manifold and described catalyst converter body, described circular connecting plate is provided with the fan shaped borehole corresponding with the outlet side of each gas exhaust manifold.
Further, non-binding of described inlet flange and described motor is provided with anti-deforming groove.
Further, described anti-deforming groove is opened in the back side of the junction plane of described inlet flange and described motor.
Further, described anti-deforming slot is between adjacent described inlet flange hole, and the two ends of described anti-deforming groove extend to the relative dual-side of described inlet flange.
Further, described anti-deforming groove comprises straight-line groove, and one end of described straight-line groove is provided with circular trough.
Further, the width of described anti-deforming groove is less than or equal to 3.2mm.
By such scheme, the utility model at least has the following advantages: catalyst converter body is directly connected with gas exhaust manifold, catalyst converter is about 190mm from the distance of motor, shorten the time of the ignition of catalyst converter, improve operating temperature, can guarantee that the operating temperature of catalyst converter is greater than the optimum working temperature of 450 degree, the effect of purification improves greatly, and gas discharging can reach the requirement of state IV, state more than V after testing; And non-binding of described inlet flange and described motor is provided with anti-deforming groove, the width of anti-deforming groove is less than or equal to 3.2mm, decrease the engine cylinder mouth caused because expanding with heat and contract with cold and be connected the phenomenon of leaking gas with gas exhaust manifold, ensure that the emission effect of vehicle, avoid the pollution to environment, and the row's temperature avoided due to engine cylinder mouth is high, leak gas other component fragile, decreases contingent fire simultaneously.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of specification, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of the exhaust manifold assembly of the utility model band ternary catalyzing unit;
Fig. 2 is the rear view of Fig. 1;
Fig. 3 is the structural representation of the outlet side end face of gas exhaust manifold in the utility model embodiment;
Fig. 4 is the structural representation of circular connecting plate in the utility model embodiment;
Fig. 5 is the structural representation that the outlet side of gas exhaust manifold in the utility model embodiment is welded on circular connecting plate;
Fig. 6 be in the utility model embodiment anti-deforming groove offer position view.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
See Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4 and Fig. 5, with the exhaust manifold assembly of ternary catalyzing unit, the inlet flange 2 comprising many gas exhaust manifolds 1 and be connected with motor, described inlet flange 2 is provided with the inlet flange hole 3 connecting described gas exhaust manifold 1, the inlet end of described gas exhaust manifold 1 is connected with described inlet flange hole 3, the outlet side of described gas exhaust manifold 1 is connected with catalyst converter body 4, the outlet side end face 5 of described gas exhaust manifold 1 is in fan-shaped, the fan-shaped central angle of the outlet side end face 5 of each described gas exhaust manifold 1 is equal, radius in fan-shaped each described outlet side end face is equal, circular contour is spliced in fan-shaped each described outlet side end face.Catalyst converter body is directly connected with gas exhaust manifold, catalyst converter is about 190mm from the distance of motor, shorten the time of the ignition of catalyst converter, improve operating temperature, can guarantee that the operating temperature of catalyst converter is greater than the optimum working temperature of 450 degree, the effect of purification improves greatly, and gas discharging can reach the requirement of state IV, state more than V after testing.
As shown in Figure 3 and Figure 5, described gas exhaust manifold 1 is four, and the fan-shaped central angle of the outlet side end face 5 of gas exhaust manifold 1 described in each is 90 °.Prevent gas leakage, 4 cylinder vent ratios are comparatively divided equally simultaneously, and Comparision is stablized.
As shown in Figure 4, be welded with circular connecting plate 6 between the outlet side of described gas exhaust manifold 1 and described catalyst converter body 4, described circular connecting plate 6 is provided with the fan shaped borehole 7 corresponding with the outlet side of each gas exhaust manifold 1.
Non-binding of described inlet flange and described motor is provided with anti-deforming groove.Preferably, as shown in Figure 6, described anti-deforming groove 8 is opened in the back side of the junction plane of described inlet flange 2 and described motor.Described anti-deforming groove 8 is between adjacent described inlet flange hole 3, and the two ends of described anti-deforming groove 8 extend to the relative dual-side of described inlet flange 2.Described anti-deforming groove comprises straight-line groove 9, and one end of described straight-line groove 9 is provided with circular trough 10.
The width of described anti-deforming groove 8 is less than or equal to 3.2mm.Non-binding of described inlet flange and described motor is provided with anti-deforming groove, the width of anti-deforming groove is less than or equal to 3.2mm, decrease the engine cylinder mouth caused because expanding with heat and contract with cold and be connected the phenomenon of leaking gas with gas exhaust manifold, ensure that the emission effect of vehicle, avoid the pollution to environment, and the row's temperature avoided due to engine cylinder mouth is high, leak gas other component fragile, decreases contingent fire simultaneously.
What motor was discharged contains harmful gas-carbon monoxide CO, hydrocarbon HC, oxynitrides NOx, by the inlet flange hole 3 on the inlet flange 2 that is connected with motor, enter into each gas exhaust manifold, then flow in the protecgulum cavity of catalyst converter body, mix fully in the protecgulum cavity of catalyst converter body, and by lambda sensor, the relevant parameter of the harmful gas of exhaust is fed back on ECU, controlled the fuel injection quantity of motor again by ECU, arrive rational firing effect.Harmful gas flows through the ceramic honeycomb catalyst containing precious metal again from the protecgulum cavity of catalyst converter body.
Harmful gas is when flowing through the carrier of ceramic honeycomb catalyst, in the event of high temperatures, under the effect of catalyzer, there is oxidation reaction, reduction reaction and redox reaction, make carbon monoxide CO, hydrocarbon HC, oxynitrides NOx conversion be innoxious substance carbon dioxide CO
2, water H
2o, nitrogen N
2deng, be then discharged in next parts with Flange joint of giving vent to anger by the rear end of catalyst converter body.
The above is only preferred implementation of the present utility model; be not limited to the utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (8)
1. be with the exhaust manifold assembly of ternary catalyzing unit, it is characterized in that, the inlet flange comprising many gas exhaust manifolds and be connected with motor, described inlet flange is provided with the inlet flange hole connecting described gas exhaust manifold, the inlet end of described gas exhaust manifold is connected with described inlet flange hole, the outlet side of described gas exhaust manifold is connected with catalyst converter body, the outlet side end face of described gas exhaust manifold is fan-shaped, the fan-shaped central angle of the outlet side end face of each described gas exhaust manifold is equal, radius in fan-shaped each described outlet side end face is equal, circular contour is spliced in fan-shaped each described outlet side end face.
2. the exhaust manifold assembly of band ternary catalyzing unit according to claim 1, is characterized in that: described gas exhaust manifold is four, and the fan-shaped central angle of the outlet side end face of gas exhaust manifold described in each is 90 °.
3. the exhaust manifold assembly of band ternary catalyzing unit according to claim 1, it is characterized in that: be welded with circular connecting plate between the outlet side of described gas exhaust manifold and described catalyst converter body, described circular connecting plate is provided with the fan shaped borehole corresponding with the outlet side of each gas exhaust manifold.
4. the exhaust manifold assembly of band ternary catalyzing unit according to claim 1, is characterized in that: non-binding of described inlet flange and described motor is provided with anti-deforming groove.
5. the exhaust manifold assembly of band ternary catalyzing unit according to claim 4, is characterized in that: described anti-deforming groove is opened in the back side of the junction plane of described inlet flange and described motor.
6. the exhaust manifold assembly of band ternary catalyzing unit according to claim 4, is characterized in that: described anti-deforming slot is between adjacent described inlet flange hole, and the two ends of described anti-deforming groove extend to the relative dual-side of described inlet flange.
7. the exhaust manifold assembly of band ternary catalyzing unit according to claim 4, is characterized in that: described anti-deforming groove comprises straight-line groove, and one end of described straight-line groove is provided with circular trough.
8. the exhaust manifold assembly of band ternary catalyzing unit according to claim 5, is characterized in that: the width of described anti-deforming groove is less than or equal to 3.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420461150.8U CN204060888U (en) | 2014-08-14 | 2014-08-14 | With the exhaust manifold assembly of ternary catalyzing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420461150.8U CN204060888U (en) | 2014-08-14 | 2014-08-14 | With the exhaust manifold assembly of ternary catalyzing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204060888U true CN204060888U (en) | 2014-12-31 |
Family
ID=52202423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420461150.8U Expired - Fee Related CN204060888U (en) | 2014-08-14 | 2014-08-14 | With the exhaust manifold assembly of ternary catalyzing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204060888U (en) |
-
2014
- 2014-08-14 CN CN201420461150.8U patent/CN204060888U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Alkemade et al. | Engines and exhaust after treatment systems for future automotive applications | |
| KR101707759B1 (en) | Method for diagnosing an exhaust gas catalytic converter, diagnosis device and motor vehicle having such a device | |
| JP6074912B2 (en) | Exhaust gas purification system and exhaust gas purification method | |
| CN102441327B (en) | Operating methods for selective catalytic reduction of NOx | |
| RU2018126874A (en) | GASOLINE SOLID PARTICLE FILTER | |
| WO2013172215A1 (en) | Exhaust gas purification system and method for purifying exhaust gas | |
| US8945495B2 (en) | Method and architecture for reducing NOX and particulate matter emissions in exhaust gas from hydrocarbon fuel source with a fuel lean combustion mixture | |
| BRPI0413367A (en) | catalyst arrangement and exhaust gas purification method of internal combustion engines operated under lean conditions | |
| CN102057139A (en) | Exhaust gas purifier and system for exhaust gas purification | |
| EP3047123B1 (en) | Exhaust treatment apparatus and vehicle comprising the same | |
| CN102414405A (en) | Exhaust emission control device for engine | |
| WO2018086189A1 (en) | Automobile exhaust gas emission system | |
| Favre et al. | Emissions control technologies to meet current and future European vehicle emissions legislation | |
| CN104131874A (en) | Exhaust manifold assembly with three-way catalyst | |
| CN204060888U (en) | With the exhaust manifold assembly of ternary catalyzing unit | |
| KR101022018B1 (en) | Exhaust gas purification system of engine and marine engine with the same | |
| KR101261949B1 (en) | catalyst unit | |
| JPH08193512A (en) | Exhaust emission control device | |
| Yoshida et al. | Development of a new ceramic substrate with gas flow control functionality | |
| CN203614188U (en) | Structure assembly of SCR (semiconductor control rectifier) muffler for motor vehicle | |
| CN202001087U (en) | Automobile exhaust after-treatment device through selective catalytic reduction | |
| CN207538902U (en) | A kind of new automobile ternary catalyzing unit | |
| CN203614176U (en) | SCR (selective catalytic reduction) muffler structural assembly for motor vehicle | |
| CN205605280U (en) | Hollow metal honeycomb formula oxidation catalysis ware | |
| CN201106469Y (en) | Pollution control apparatus for diesel engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20190814 |