The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 19, 2005

Filed:

Mar. 25, 2003
Applicants:

Yasuhiko Fukumoto, Hiroshima, JP;

Katsumi Tateiwa, Hiroshima, JP;

Takashi Yasuda, Hiroshima, JP;

Kazuya Tominaga, Hiroshima, JP;

Hideaki Shimamoto, Hiroshima, JP;

Hideaki Madono, Tokyo, JP;

Syuuichi Ishiwa, Tokyo, JP;

Inventors:

Yasuhiko Fukumoto, Hiroshima, JP;

Katsumi Tateiwa, Hiroshima, JP;

Takashi Yasuda, Hiroshima, JP;

Kazuya Tominaga, Hiroshima, JP;

Hideaki Shimamoto, Hiroshima, JP;

Hideaki Madono, Tokyo, JP;

Syuuichi Ishiwa, Tokyo, JP;

Assignees:

Yumex Corporation, Hiroshima, JP;

Nichias Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N007/10 ;
U.S. Cl.
CPC ...
Abstract

A structure of an exhaust manifold branch collecting portion includes a double collecting pipefor collecting a plurality of exhaust openingsA,A. The double collecting pipeis comprised of an inner pipe-and an outer pipe-, which are connected integrally to each other. In a space formed between the inner pipe-, the outer pipe-, and a ring-shaped stainless steel cushion member-, a tubular cushion member-, which is thermally expanded and foamed, is arranged as a restricted cushion structure.


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