CN203835505U - Automobile and exhaust system catalytic converter thereof - Google Patents
Automobile and exhaust system catalytic converter thereof Download PDFInfo
- Publication number
- CN203835505U CN203835505U CN201420143897.9U CN201420143897U CN203835505U CN 203835505 U CN203835505 U CN 203835505U CN 201420143897 U CN201420143897 U CN 201420143897U CN 203835505 U CN203835505 U CN 203835505U
- Authority
- CN
- China
- Prior art keywords
- catalyst carrier
- exhaust system
- end cone
- air inlet
- 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 - Fee Related
Links
- 230000003197 catalytic effect Effects 0.000 title abstract 3
- 239000003054 catalyst Substances 0.000 claims abstract description 76
- 238000005260 corrosion Methods 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims description 6
- 239000010970 precious metal Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000006555 catalytic reaction Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 238000005538 encapsulation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model provides an automobile and an exhaust system catalytic converter thereof, and relates to the technical field of automobile equipment. One end, facing an air inlet end cone, of a catalyst carrier adopts a convex surface structure, so that the air flow contact area is enlarged, and the uniformity of air flow is better. The exhaust system catalytic converter of the automobile, provided by the utility model comprises a casing, wherein a catalyst carrier is arranged inside the casing; a gasket is arranged between the inner wall of the casing and the catalyst carrier; the air inlet end cone is connected to the front end of the casing; an air outlet end cone is connected to the rear end of the casing; the end, facing the air inlet end cone, of the catalyst carrier adopts a convex surface structure. The embodiment of the utility model is mainly applied to the automobile manufacturing.
Description
Technical field
The utility model relates to field of automobile, refers to especially a kind of automobile and catalysis of exhaust gas systems device thereof.
Background technique
Automobile exhaust system catalyst converter is the constituent element of engine exhaust air-flow path, has played the effect that reduces discharge, cleaning of off-gas.Catalyst converter is when selecting, and its emission performance of overriding concern, to meet the emission request of vent systems; In addition, have certain air-flow uniform properties concurrently, to guarantee that vent systems has lower back pressure, thus power character and the Economy of raising automobile.
At present, what in automobile exhaust system catalyst converter, commonly use is the catalyst carrier of plane, and catalyst carrier two ends are all planes.Although the catalyst carrier processing and fabricating of plane is simple, it is away from engine exhaust outlet, and light-off time is longer, and emission performance is poor; And due to the plane structure of catalyst carrier, airflow homogeneity need lean on end cone guiding, and end toper shape is complicated, and difficulty of processing is large, takes up room large; And, because the catalyst carrier of plane is usually that axis is symmetrical, easily anti-loaded in encapsulation process.
Therefore, existing automobile exhaust system catalyst converter has ignition slow, and airflow homogeneity is not good, and carrier is easily anti-loaded, and larger problem takes up room.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of automobile and catalysis of exhaust gas systems device thereof, and its carrier catalysis device adopts the structure towards air inlet end cone one end convex surface, and meeting flow area increases, and airflow homogeneity is better.
For solving the problems of the technologies described above, embodiment of the present utility model provides a kind of automobile exhaust system catalyst converter, comprising:
Housing, in described housing, be provided with catalyst carrier, between described inner walls and described catalyst carrier, be provided with liner, described housing front end is connected with air inlet end cone, housing rear end is connected with air outlet end cone, the structure that described catalyst carrier is convex surface towards one end of air inlet end cone.
Wherein, the structure that described catalyst carrier is concave surface towards one end of air outlet end cone.
Wherein, described air inlet end cone, described air outlet end cone are fixedly connected with by welding manner with described housing.
Wherein, described air inlet end cone, described air outlet end cone are made by corrosion resistant plate punching press respectively.
Wherein, described catalyst carrier superscribes described liner and is pressed in described housing.
Wherein, described catalyst carrier is made by pottery.
Wherein, in described catalyst carrier, be provided with precious metal.
Wherein, described housing is rolled to weld by corrosion resistant plate and makes.
Wherein, described liner is made by ceramic fiber.
An automobile, comprises above-mentioned automobile exhaust system catalyst converter.
The beneficial effect of technique scheme of the present utility model is as follows:
In such scheme, its carrier catalysis device adopts towards air inlet end cone one end convex surface, the structure of the plane of carrier catalysis device compared to existing technology, meeting flow area increases, airflow homogeneity is better, and exhaust back pressure reduces, and is conducive to improve power character and the Economy of car load; And catalyst carrier is convex surface towards one end of air inlet end cone, the more close engine exhaust outlet of its carrier leading portion, delivery temperature improves, and is conducive to improve light off characteristics, improves discharge; Catalyst carrier leading portion volume is larger, reaches the required precious metal of identical catalyzed conversion effect still less, has reduced cost; Its gas end cone and air outlet end cone moulding process are simpler, and difficulty of processing is little, and the shorter catalyst converter air inlet and outlet end cone of structure takes up room less, is also more conducive to car load general arrangement; And the catalyst carrier that one end is convex surface, in encapsulation process, is not easy to cause the operate misses such as the anti-loaded dress of mistake.
Accompanying drawing explanation
Fig. 1 is the structural representation of automobile exhaust system catalyst converter in the utility model embodiment;
Fig. 2 is the perspective view of catalyst carrier in the utility model embodiment;
Fig. 3 is the plane structure schematic diagram of catalyst carrier in the utility model embodiment.
［ primary component symbol description ］
1-housing;
2-catalyst carrier;
3-liner;
4-air inlet end cone;
5-air outlet end cone;
21-convex surface;
22-concave surface.
Embodiment
For making the technical problems to be solved in the utility model, technological scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The utility model has ignition slow for existing automobile exhaust system catalyst converter, and airflow homogeneity is not good, and carrier is easily anti-loaded, and the larger problem that takes up room provides a kind of automobile and catalysis of exhaust gas systems device thereof.
As shown in Figure 1, the utility model embodiment's automobile exhaust system catalyst converter, comprising:
Housing 1, in described housing 1, be provided with catalyst carrier 2, between described housing 1 inwall and described catalyst carrier 2, be provided with liner 3, described housing 1 front end is connected with air inlet end cone 4, housing 1 rear end is connected with air outlet end cone 5, as Figure 1-3, described catalyst carrier 2 is the structure of convex surface 21 towards one end of air inlet end cone 4.
Further, as Figure 1-3, described catalyst carrier 2 is the structure of concave surface 22 towards one end of air outlet end cone 5.
Described air inlet end cone 4, described air outlet end cone 5 are fixedly connected with by welding manner with described housing 1.
Described air inlet end cone 4, described air outlet end cone 5 are made by corrosion resistant plate punching press respectively.
Air inlet end cone 4 is less with the gap of catalyst carrier 2, and air outlet end cone 5 is less with the gap of catalyst carrier 2.
Wherein, the convex surface 21 of described catalyst carrier 2 is only towards air inlet end cone 4; The concave surface 22 of described catalyst carrier 2 is only towards air outlet end cone 5.
Described catalyst carrier 2 superscribes described liner 3 and is pressed in described housing 1.
Described catalyst carrier 2 is made by pottery, in described catalyst carrier 2, is provided with precious metal.
In the present embodiment, preferably, described housing 1 rolls welding by corrosion resistant plate and makes.
In the present embodiment, preferably, described liner 3 is made by ceramic fiber.
In the present embodiment, the exhaust airstream that motor car engine is discharged flows to catalyst carrier by air inlet end cone, due to the catalyst carrier structure that is convex surface towards one end of air inlet end cone, its convex surface is the plane of the catalyst carrier of plane structure compared to existing technology, meeting flow area increases, airflow homogeneity is better, and exhaust back pressure reduces, and is conducive to improve power character and the Economy of car load; And catalyst carrier is convex surface towards one end of air inlet end cone, the more close engine exhaust outlet of its carrier leading portion, delivery temperature improves, and is conducive to improve light off characteristics, improves discharge; Further, catalyst carrier is convex surface towards one end of air inlet end cone, and it is than the plane of the catalyst carrier of existing plane structure, and carrier leading portion volume is larger, reaches the required precious metal of identical catalyzed conversion effect still less, has reduced cost.
Further, catalyst carrier 2 is concave surface 22 towards one end of air outlet end cone 5, and than plane, the flow area of supplying gas increases, and airflow homogeneity is better.
In the present embodiment, one end is concave surface 22, and another side is the catalyst carrier 2 of convex surface 21, improved the airflow homogeneity of automobile exhaust system catalyst converter, therefore, airflow homogeneity can not only rely on end cone guiding, this just selects structure more regular air inlet end cone 4 and air outlet end cone 5, and adaptability reduces air inlet end cone 4 and air outlet end cone 5 length.Air inlet end cone 4 and air outlet end cone 5 moulding process of tactical rule are simple, and difficulty of processing reduces, and the shorter catalyst converter air inlet and outlet end cone 5 of structure takes up room less, is conducive to car load general arrangement.
And further, in the present embodiment, one end is concave surface 22, and another side is the catalyst carrier 2 of convex surface 21, in encapsulation process, is not easy to cause the operate misses such as the anti-loaded dress of mistake.
The present embodiment also provides a kind of automobile, comprises above-mentioned automobile exhaust system catalyst converter.
The automobile of the present embodiment and catalysis of exhaust gas systems device thereof, its carrier catalysis device adopts towards air inlet end cone one end convex surface, structure towards air outlet end cone one end concave surface, the two ends of carrier catalysis device are compared to existing technology all the structure of plane, meeting flow area increases, and the flow area of supplying gas also increases, and airflow homogeneity is better, exhaust back pressure reduces, and is conducive to improve power character and the Economy of car load; And catalyst carrier is convex surface towards one end of air inlet end cone, the more close engine exhaust outlet of its carrier leading portion, delivery temperature improves, and is conducive to improve light off characteristics, improves discharge; Catalyst carrier leading portion volume is larger, reaches the required precious metal of identical catalyzed conversion effect still less, has reduced cost; Its gas end cone and air outlet end cone moulding process are simpler, and difficulty of processing is little, and the shorter catalyst converter air inlet and outlet end cone of structure takes up room less, is also more conducive to car load general arrangement; And one end is concave surface, and the catalyst carrier that another side is convex surface, in encapsulation process, is not easy to cause the operate misses such as the anti-loaded dress of mistake.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. an automobile exhaust system catalyst converter, comprise: housing, in described housing, be provided with catalyst carrier, between described inner walls and described catalyst carrier, be provided with liner, described housing front end is connected with air inlet end cone, housing rear end is connected with air outlet end cone, it is characterized in that, the structure that described catalyst carrier is convex surface towards one end of air inlet end cone.
2. automobile exhaust system catalyst converter according to claim 1, is characterized in that, the structure that described catalyst carrier is concave surface towards one end of air outlet end cone.
3. automobile exhaust system catalyst converter according to claim 1 and 2, is characterized in that, described air inlet end cone, described air outlet end cone are fixedly connected with by welding manner with described housing.
4. automobile exhaust system catalyst converter according to claim 3, is characterized in that, described air inlet end cone, described air outlet end cone are made by corrosion resistant plate punching press respectively.
5. automobile exhaust system catalyst converter according to claim 4, is characterized in that, described catalyst carrier superscribes described liner and is pressed in described housing.
6. automobile exhaust system catalyst converter according to claim 5, is characterized in that, described catalyst carrier is made by pottery.
7. automobile exhaust system catalyst converter according to claim 6, is characterized in that, in described catalyst carrier, is provided with precious metal.
8. automobile exhaust system catalyst converter according to claim 7, is characterized in that, described housing rolls welding by corrosion resistant plate and makes.
9. automobile exhaust system catalyst converter according to claim 8, is characterized in that, described liner is made by ceramic fiber.
10. an automobile, is characterized in that: comprise the automobile exhaust system catalyst converter as described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420143897.9U CN203835505U (en) | 2014-03-27 | 2014-03-27 | Automobile and exhaust system catalytic converter thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420143897.9U CN203835505U (en) | 2014-03-27 | 2014-03-27 | Automobile and exhaust system catalytic converter thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203835505U true CN203835505U (en) | 2014-09-17 |
Family
ID=51513355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420143897.9U Expired - Fee Related CN203835505U (en) | 2014-03-27 | 2014-03-27 | Automobile and exhaust system catalytic converter thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203835505U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11753980B2 (en) | 2019-04-03 | 2023-09-12 | Corning Incorporated | Contoured honeycomb bodies |
-
2014
- 2014-03-27 CN CN201420143897.9U patent/CN203835505U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11753980B2 (en) | 2019-04-03 | 2023-09-12 | Corning Incorporated | Contoured honeycomb bodies |
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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: 20140917 |