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.
Patent No.:
Date of Patent:
Jun. 15, 2010
Filed:
May. 25, 2007
Kazuhiro Yasuda, Saitama, JP;
Tadashi Oshima, Saitama, JP;
Koichi Tanaka, Saitama, JP;
Kazuo Yamamoto, Saitama, JP;
Kazuhiro Yasuda, Saitama, JP;
Tadashi Oshima, Saitama, JP;
Koichi Tanaka, Saitama, JP;
Kazuo Yamamoto, Saitama, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
A muffler structure capable of suppressing generation of abnormal noise in the muffler even when the outer and the inner tubes expand thermally. Provided is a double-pipe muffler structure including an inner tube and an outer tube. In the muffler structure, an annular front step portion and an annular rear step portion are formed in the inner tube, while the step portions is brought into contact, from inside, with the outer tube and thus are supported by the outer tube. The outer tube supports the front and the rear step portions by being brought into close contact with the step portions partially and elastically.