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Vehicle and tail gas purification device thereof

A technology of exhaust gas purification device and exhaust pipe, which is applied in the direction of exhaust device, electronic control of exhaust treatment device, diagnostic device of exhaust treatment device, etc., and can solve problems such as insufficient engine power

Pending Publication Date: 2020-07-17
HANGCHA GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide an exhaust gas purification device, which can reduce the exhaust back pressure when the filter mechanism is blocked, and solve the problem of insufficient engine power

Method used

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  • Vehicle and tail gas purification device thereof
  • Vehicle and tail gas purification device thereof
  • Vehicle and tail gas purification device thereof

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0029] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0030] Please refer to Figure 1 to Figure 7 , figure 1 It is a front view of an exhaust gas purification device provided by the present invention; figure 2 for figure 1 top view of image 3 for figure 2 A se...

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Abstract

The invention discloses a tail gas purification device. The tail gas purification device comprises a cylinder, an air inlet pipe arranged at the first end of the cylinder and connected with an engine,an exhaust pipe arranged at the second end of the cylinder, and a filtering mechanism arranged in the cylinder, connected with the exhaust pipe and used for filtering particles; and the filtering mechanism is provided with a pressure safety valve which is used for being opened to communicate the exhaust pipe with the air inlet pipe when the filtering mechanism is blocked. The tail gas purification device can reduce exhaust back pressure when the filtering mechanism is blocked, and solves the problem of insufficient engine power. In addition, the invention also discloses a vehicle comprising the tail gas purification device.

Description

technical field [0001] The invention relates to the technical field of vehicle exhaust gas treatment, in particular to an exhaust gas purification device. In addition, the present invention also relates to a vehicle comprising the above-mentioned exhaust gas purification device. Background technique [0002] As we all know, vehicle exhaust contains various particles that can pollute the air, and its emission unit can be expressed by "smoke", and the greater the smoke of the exhaust, the more polluting particles in the exhaust. [0003] In the background of frequent smog weather, in order to reduce the exhaust smoke, the exhaust of large vehicles is usually treated by "DOC+DPF". Among them, DOC is the abbreviation of Diesel Oxidation Catalyst, that is, the diesel oxidation catalyst, which can use platinum, palladium and other precious metals and rare metals as catalysts to convert hydrocarbons and carbon monoxide in the exhaust gas into pollution-free water and carbon dioxid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01N3/022F01N11/00F01N13/18F01N13/00
CPCF01N3/022F01N11/00F01N13/1838F01N13/00Y02T10/40
Inventor 奕青王伟邢俊旺陈翔宇黎游平张秋龙李尚裴有志宋永贵
Owner HANGCHA GRP
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