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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.:

US 7930883 B1

PDFFull Text
Expired
Date of Patent:
Apr. 26, 2011

Filed:

Jul. 26, 2007

Exhaust device of six-cylinder engine

Applicants:

Tsugunori Konakawa, Shizuoka-ken, JP;

Yoshihiko Atsumi, Shizuoka-ken, JP;

Inventors:

Tsugunori Konakawa, Shizuoka-ken, JP;

Yoshihiko Atsumi, Shizuoka-ken, JP;

Assignee:

Yamaha Hatsudoki Kabushiki Kaisha, Shizuoka, JP;

Attorney:

Keating & Bennett, LLP

Primary Examiner:

Thomas E Denion

Assistant Examiner:

Audrey Klasterka

Int. Cl.
CPC ...
F01N 3/10 (2006.01); F01N 1/00 (2006.01); F01N 3/28 (2006.01); F02B 27/02 (2006.01); F02B 75/24 (2006.01); B63H 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An exhaust device of a six-cylinder engine includes first to sixth cylinders and a manifold extending from the first to sixth cylinders. The first to sixth cylinders are ignited in that order. The exhaust manifold can include first to sixth upstream exhaust pipes extending respectively from the first to sixth cylinders, first to third midway exhaust pipes extending respectively from a joined portion of extended ends of the first and fourth upstream exhaust pipes, a joined portion of extended ends of the second and fifth upstream exhaust pipes, and a joined portion of extended ends of the third and sixth upstream exhaust pipes, and a downstream exhaust pipe connecting extended ends of the first to third midway exhaust pipes to the ambient atmosphere.

Find Patent Forward Citations

Konakawa, Tsugunori. (2011). Exhaust device of six-cylinder engine (U.S. Patent No. 7930883). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7930883

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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