CN2767672Y - Built-in catalyzing and purifying muffler for automobile - Google Patents
Built-in catalyzing and purifying muffler for automobile Download PDFInfo
- Publication number
- CN2767672Y CN2767672Y CNU200420064057XU CN200420064057U CN2767672Y CN 2767672 Y CN2767672 Y CN 2767672Y CN U200420064057X U CNU200420064057X U CN U200420064057XU CN 200420064057 U CN200420064057 U CN 200420064057U CN 2767672 Y CN2767672 Y CN 2767672Y
- Authority
- CN
- China
- Prior art keywords
- catalytic purification
- end cover
- catalyzing
- built
- 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
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- 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
Abstract
The utility model relates to a built-in catalyzing and purifying muffler for an automobile, which can integrally control harmful exhaust and noise and belongs to the technical field of the automobile environmental protection. A catalyzing and purifying device is arranged in a first stage expansion chamber which is arranged at the front end of the muffler device, wherein the catalyzing and purifying device is composed of a shell, a cushion layer and a carrier, and the muffler device is composed of an air inlet pipe, a front moving end cover, an outer shell, a porous baffle plate, a perforated pipe, a baffle plate, a rear end cover and a tail pipe. The catalyzing and purifying device and the muffler device are in cylindrical shapes, the shaft lines of the catalyzing and purifying device and the muffler device are in parallel, and the overall size and connection relation of the utility model is basically identical with a muffler which is matched with the original automobile model. A cone flow dividing valve is arranged between the inner side of the front moving end cover and the air inlet pipe which is connected with the catalyzing and purifying device, and the front moving end cover is jointed with the front end of the outer shell by a hinge and a fastener. The utility model is suitable for various passenger automobiles and good automobiles in technical innovation of the environmental protection.
Description
Technical field
The utility model belongs to the automobile environment-protection technical field.
Background technique
In the world to the control of automobile harmful exhaust gas, most widely used technology is a catalysis and purification technology at present.Its general and electronic fuel injection device composition closed loop control system, the various oxious components in the waste gas are the oxidized CO that is reduced into simultaneously
2, H
2O and N
2Before catalytic cleaner is installed in silencing apparatus, form by housing, bed course, carrier and catalyzer.
To the automobile exhaust Noise Control, generally adopt the silencing apparatus of independent action, utilize aerodynamic force attenuation principle such as sound absorption, expansion, resonance and interference to carry out.It generally is made up of suction tude, front cover, shell, porous barrier, perforated tube, dividing plate, rear end cover and tail pipe etc.
Existing above catalytic cleaner and silencing apparatus are self-contained unit respectively, and it is big to take up space, and function singleness, is applied to all kinds of cars and microbus more, are not suitable in exhaust and noise pollution transformation with all kinds of visitors, goods automobile more than 3.5 tons to administer.
Summary of the invention
The purpose of this utility model provides the built-in catalytic purification silencing apparatus of a kind of automobile, collection catalysis and purification technology and aerodynamic force decay technique are one, energy Comprehensive Control automobile exhaust and noise pollution on the environment to solve the narrow limitation of prior art, are expanded its purposes scope.
The technical scheme in the invention for solving the technical problem is: keeping under the essentially identical prerequisite of silencing apparatus overall dimension, annexation of mating with former vehicle, arrangement for catalytic purification is built in the silencer front end first order expansion chamber, arrangement for catalytic purification and silencer are all cylindrical, and the two axis is parallel to each other.Preceding movable end cover inboard be connected between the arrangement for catalytic purification suction tude, a taper diverter valve is installed.Preceding movable end cover engages with the shell front end with hinge and fastener.
The beneficial effects of the utility model are: its compact structure, have comprehensive function, and need not to change former car layout, be particularly useful for administering in transformation with all kinds of visitors, goods automobile exhaust and noise pollution more than 3.5 tons.Because arrangement for catalytic purification is built in the silencer shell, good heat preservation performance, initiation temperature rises fast, helps reducing the exhaust pollution under vehicle starting, the idling operation, has also improved acoustic attenuation performance simultaneously.
Description of drawings
Basic structure of the present utility model is as shown in drawings: 1. suction tude, 2. before movable end cover, 3. conical valve seat, 4. mitre velve, 5. volute spring, 6. housing, 7. bed course, 8. carrier, 9. shell, 10. porous barrier, 11. porous slabs, 12. dividing plates, 13. rear end covers, 14. tail pipes.
Catalyzer, hinge and fastener etc. all do not draw among the figure.
Embodiment
In the accompanying drawings, form arrangement for catalytic purification by housing (6), bed course (7) and carrier (8), two ends are tapered, and are middle cylindrical.Also cylindrical by the silencer that suction tude (1), preceding movable end cover (2), shell (9), porous barrier (10), perforated tube (11), dividing plate (12), rear end cover (13) and tail pipe (14) are formed.Arrangement for catalytic purification is built in the inboard first order expansion chamber of preceding movable end cover (2), and its axis is parallel to each other with the silencer axis.Engine exhaust at first enters in the arrangement for catalytic purification by suction tude (1) and purifies, and then carry out noise reduction by three grades of expansion chamber forming respectively by preceding movable end cover (2), porous barrier (10), perforated tube (11), dividing plate (12) and rear end cover (13) step by step, enter atmosphere by tail pipe (14) at last.
For avoiding causing engine misses,,, a taper diverter valve is installed near arrangement for catalytic purification suction tude below in preceding movable end cover (2) inboard because of carrier (8) may stop up.It is made up of conical valve seat (3), mitre velve (4) and volute spring (5).Along with the arrangement for catalytic purification internal drag increases, can open automatically.Waste gas short circuit for preventing to discharge from the taper diverter valve promptly directly enters atmosphere from perforated tube (11) and tail pipe (14), reduces the noise elimination effect, and the spy is provided with porous barrier (10), makes a part of waste gas can enter second and third grade expansion chamber.Preceding movable end cover (2) engages with hinge and the same shell of fastener (9) front end, is convenient to safeguard the replacing arrangement for catalytic purification.
Be coated with chemical catalyst on carrier (8), its preparation process does not belong to the utility model scope.
Claims (5)
1, the built-in catalytic purification silencing apparatus of a kind of automobile, its arrangement for catalytic purification mainly is made up of housing, bed course and carrier, silencer mainly is made up of suction tude, preceding movable end cover, shell, porous barrier, perforated tube, dividing plate, rear end cover and tail pipe etc., and it is characterized in that: arrangement for catalytic purification is built in the silencer front end first order expansion chamber.
2, the built-in catalytic purification silencing apparatus of automobile according to claim 1, it is characterized in that: arrangement for catalytic purification and silencer are all cylindrical, and the silencing apparatus of its overall dimension and annexation and former vehicle coupling is basic identical.
3, the built-in catalytic purification silencing apparatus of automobile according to claim 1, it is characterized in that: the axis of arrangement for catalytic purification and silencer is parallel to each other.
4, the built-in catalytic purification silencing apparatus of automobile according to claim 1 is characterized in that: preceding movable end cover inboard be connected between the arrangement for catalytic purification suction tude, a taper diverter valve is installed, form by conical valve seat, mitre velve and volute spring.
5, the built-in catalytic purification silencing apparatus of automobile according to claim 1 is characterized in that: preceding movable end cover engages with hinge and fastener with the shell front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200420064057XU CN2767672Y (en) | 2004-05-13 | 2004-05-13 | Built-in catalyzing and purifying muffler for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200420064057XU CN2767672Y (en) | 2004-05-13 | 2004-05-13 | Built-in catalyzing and purifying muffler for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2767672Y true CN2767672Y (en) | 2006-03-29 |
Family
ID=36681535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200420064057XU Expired - Fee Related CN2767672Y (en) | 2004-05-13 | 2004-05-13 | Built-in catalyzing and purifying muffler for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2767672Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607496A (en) * | 2022-03-01 | 2022-06-10 | 正升环境科技股份有限公司 | Broadband silencer with purification function |
-
2004
- 2004-05-13 CN CNU200420064057XU patent/CN2767672Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607496A (en) * | 2022-03-01 | 2022-06-10 | 正升环境科技股份有限公司 | Broadband silencer with purification function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060329 |