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Automobile exhaust pipe

A technology for automobile exhaust and exhaust pipes, which is applied in exhaust treatment, exhaust devices, coatings, etc., can solve problems such as environmental pollution and poor heat insulation effect of exhaust pipes, and achieve reasonable product structure design and improvement. The effect of the service life

Inactive Publication Date: 2017-10-20
WUHU LEPU AUTOMOTIVE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Automobile exhaust pipe is a common auto accessory, which is mainly used to discharge automobile exhaust, so that the engine can work normally. Air pipes are also poorly insulated

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] see Figure 1 to Figure 2 , the present invention provides an automobile exhaust pipe, comprising: a main exhaust pipe 1, a first branch exhaust pipe 2 and a second branch exhaust pipe 3 communicated with the first end of the main exhaust pipe 1, and The mounting flange 4 connected to the second end of the main exhaust pipe 1, the first filter 5, the three-way catalytic converter 6 and the second filter arranged in sequence along the exhaust gas discharge direction on the main exhaust pipe 1 A filter 7, and a first muffler 8 and a second muffler 9 respectively arranged on the first branch exhaust pipe 2 and the second branch exhaust pipe 3;

[0029] The first filter 5 is filled with filter cotton, and the second filter 7 is filled with activated carbon;

[0030] The main exhaust pipe 1, the first branch exhaust pipe 2 and the second branch exhaust pipe 3 all include: an outer pipe 10, an inner pipe 11 located inside the outer pipe 10, and an inner pipe 11 located insid...

Embodiment 2

[0035] A method for processing a filter assembly of an automobile exhaust pipe, the steps are as follows:

[0036] ①, structure and molding

[0037] The filter assembly includes a first filter, a three-way catalytic converter and a second filter arranged in sequence along the exhaust gas emission direction, the first filter is filled with filter cotton, and the second filter is filled with activated carbon;

[0038] The three-way catalytic converter is prepared according to the prior art;

[0039] Both the first filter and the second filter include a shell and a filler placed in the shell, the filter silk cotton and activated carbon are prepared according to the prior art, and the shell is forged from carbon steel;

[0040] ②, Pretreatment of the shell inner wall of the first filter and the second filter

[0041] Spray the pretreatment liquid on the inner wall of the housing of the first filter and the second filter, and dry it directly after spraying;

[0042] The componen...

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Abstract

The invention relates to the technical field of automobile parts, in particular to an automobile exhaust pipe. The automobile exhaust pipe comprises a main exhaust pipe body, a first branch exhaust pipe body, a second branch exhaust pipe body, a mounting flange, a first filter, a three-way catalytic converter, a second filter, a first muffler and a second muffler, wherein the first branch exhaust pipe body and the second branch exhaust pipe body communicate with the first end of the main exhaust pipe body, the mounting flange communicates with the second end of the main exhaust pipe body, the first filter, the three-way catalytic converter and the second filter are sequentially arranged on the main exhaust pipe body in the tail gas emission direction, and the first muffler and the second muffler are arranged on the first branch exhaust pipe body and the second branch exhaust pipe body correspondingly. The first filer is filled with filtering silk floss, and the second filter is filled with activated carbon. The main exhaust pipe body, the first branch exhaust pipe body and the second branch exhaust pipe body each comprise an outer pipe, an inner pipe arranged inside the outer pipe, and a heat insulation pipe arranged between the outer pipe and the inner pipe. Tail gas can be treated through the first filter, the three-way catalytic converter and the second filter, and the environmental protection performance of the exhaust pipe is promoted.

Description

technical field [0001] The invention relates to the technical field of automobile accessories, in particular to an automobile exhaust pipe. Background technique [0002] Automobile exhaust pipe is a common auto accessory, which is mainly used to discharge automobile exhaust, so that the engine can work normally. The trachea is also poorly insulated. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an automobile exhaust pipe to improve the environmental protection performance and heat insulation effect of the automobile exhaust pipe. At the same time, the invention also provides a filter assembly of an automobile exhaust pipe and a processing method thereof. [0004] In order to solve the above-mentioned technical problems, the technical solution adopted in the present invention is: an automobile exhaust pipe, comprising: a main exhaust pipe, a first branch exhaust pipe communicated with the first end of the main...

Claims

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Application Information

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IPC IPC(8): F01N13/00F01N3/08F01N3/022F01N13/10F01N13/14F01N13/16C09D161/28C09D7/12
CPCC08K3/04C08K3/36C08K13/02C08K2201/011C09D161/28F01N3/0226F01N3/0814F01N3/0821F01N13/102F01N13/16F01N2370/22F01N2370/40F01N2510/08F01N13/009
Inventor 姚海明
Owner WUHU LEPU AUTOMOTIVE TECH CO LTD
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