专利名称：Catalytic converter发明人：畠山 由章申请号：JP2017218370申请日：20171113公开号：JP2019090348A公开日：20190613
专利附图：
摘要：PROBLEM TO BE SOLVED: To enhance the heat insulation of a carrier to acylindrical portion and a case in a catalytic converter. SOLUTION: A catalytic converter 1provided in an exhaust flow path of an internal combustion engine, which is providedinside a substantially cylindrical case 3 made of metal, a cylindrical portion 16 coaxially
received in the case, and a cylindrical portion The carrier portion 10, and a catalyststructure 4 having a catalyst fixed to the carrier, and a sheet-like holding material 5provided between the case and the catalyst structure, and the outer peripheral surfaceof the cylindrical portion And an inner protrusion 18 protruding radially outward, and aninner recess 19 recessed outward in the radial direction is provided on the back side ofthe inner protrusion on the inner circumferential surface of the cylindrical portion, andthe inner circumferential surface of the case The outer recess 21 is provided to receivethe inner projection through the holding material, and a gap 22 is formed between theinner recess and the outer peripheral surface of the carrier portion. [Selected figure]Figure 2
申请人：本田技研工業株式会社
地址：東京都港区南青山二丁目１番１号
国籍：JP
代理人：特許業務法人 大島特許事務所
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