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Title:
CATALYST CONVERTER AND MANUFACTURING METHOD THEREOF
Document Type and Number:
Japanese Patent JP2009127604
Kind Code:
A
Abstract:

To provide a tandem type catalyst converter storing catalyst carriers in serial arrangement, which is capable of surely assuring a required flatness of a flat surface of a short diameter section, and to provide a manufacturing method thereof.

In this tandem type converter 1, the catalyst carriers 3 are stored in the serial arrangement in a cylindrical casing 2, and the short diameter section 23 with the flat surface 232 becoming an attachment seat of a sensor at the corresponding position between the catalyst carriers 3, 3 of the casing 2 is formed. The diameter at the corresponding position between the catalyst carriers 3, 3 of the casing is shortened by spinning, and the short diameter section 23 with the flat surface 232 is formed by performing press working in the shortened section.


Inventors:
Edashige, Akihiro
Hatakeyama, Yoshiaki
Tosa, Shinichi
Application Number:
JP2007000306783
Publication Date:
June 11, 2009
Filing Date:
November 28, 2007
Export Citation:
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Assignee:
SANKEI GIKEN KOGYO CO LTD
HONDA MOTOR CO LTD
International Classes:
F01N3/28; B21D47/00; B21D53/84; F01N13/00; F01N99/00; F02D35/00
Domestic Patent References:
JP2002038936A
JP2004092461A
JP2001342826A
JP2004092461A
JPH1026037A
JPH08246863A
JPH07102993A
JPS59174244A
JPH06182472A
JP2002038936A
JPH081638U
Attorney, Agent or Firm:
高橋 隆二
元井 成幸