Catalytic converter and method of assembly thereof

A technology for a catalytic converter and an assembly method, applied in the field of catalytic converters and their assembly, can solve the problems of exhaust gas leakage, uneven thickness, membrane deformation and the like
CN108729998BActive Publication Date: 2021-05-04SAIC MOTOR
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SAIC MOTOR
Publication Date
2021-05-04

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Abstract

A catalytic converter and an assembly method thereof, the catalytic converter includes a casing and a carrier; wherein, the assembling method includes: loading the carrier into the casing; Filling with a liquid substance; hardening the liquid substance to form a solid liner, the solid liner is in contact with the shell and the carrier. The method for assembling the catalytic converter of the technical solution can effectively eliminate the gap between the shell and the carrier in the catalytic converter.
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Description

technical field

[0001] The invention relates to the technical field of automobiles, in particular to a catalytic converter and an assembly method thereof. Background technique

[0002] Catalytic converters, also known as catalytic converters (catalytic converters), catalytic converters, are installed in automobile exhaust emission systems and use catalysts to convert CO, HC and NO in the exhaust x An exhaust purification device that converts gases that are harmless to the human body, also known as a catalytic converter.

[0003] A general catalytic converter includes: a shell and a carrier located in the shell. The carrier is generally made of honeycomb ceramic material, and a few of them are made of metal (stainless steel) material. A very loose active layer is coated on the wall of the carrier channel, that is, a catalyst coating, and precious metals as active materials are scattered on the surface of the coating. The precious metals are used as catalysts to convert harmf...

Claims

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