Patent ID: 7155902
Filing Date: 2007-01-02
Classification: F01N

Abstract:
1. A catalytic body fixing structure for fixing a catalytic body to an exhaust pipe, the exhaust pipe for serving as part of an exhaust system of an engine, comprising: a catalytic body having a generally cylindrical case made of a material different from the exhaust pipe and housed in the exhaust pipe; and a bracket made of the same material as the exhaust pipe, said bracket being welded to an inner circumferential surface of the exhaust pipe and crimped on the generally cylindrical case of said catalytic body, wherein said catalytic body has a generally cylindrical catalyst support for allowing an exhaust gas to flow theretbrough. the cylindrical catalyst support being housed in the cylindrical case and having an end disposed inwardly of an end of said cylindrical case, said bracket being crimped on the end of the cylindrical case in a region projecting from the end of the cylindrical catalyst support.