Patent ID: 6673320
Filing Date: 2004-01-06
Classification: F01N

Abstract:
An exhaust converter comprising:a catalyst carrier made of ceramic material, said catalyst carrier having an inner periphery and an outer periphery; a supporting mat having an outer peripheral surface wrapped around the outer periphery of the catalyst carrier, the supporting mat being made of a plurality of subdivided mats which are connected with each other by projections, a recovering means comprising at least one space provided between the projections extending at a respective end of the supporting mat; a metal casing having a first end and a second end formed in a cylindrical shape by overlapping said first and second end at an overlapped portion, said metal casing encapsulating the catalyst carrier wrapped in the supporting mat; and a space formed between the supporting mat and the overlapped portion of the metal casing, functioning so as to allow for recovery of positional shifts of the supporting mat.