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. 22, 2014

Filed:

Mar. 02, 2011
Applicants:

Masashi Ono, Hyogo, JP;

Ichiro Tanaka, Kakogawa, JP;

Yoshihito Uchino, Kakogawa, JP;

Inventors:

Masashi Ono, Hyogo, JP;

Ichiro Tanaka, Kakogawa, JP;

Yoshihito Uchino, Kakogawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); F01N 3/10 (2006.01); F01N 1/00 (2006.01); F01N 13/02 (2010.01); F01N 1/08 (2006.01); F01N 13/08 (2010.01);
U.S. Cl.
CPC ...
Abstract

An exhaust chamber () for a motorcycle is disposed at a location upstream of a muffler () of an exhaust passage () leading from a combustion engine (E). The exhaust chamber () includes a chamber body () having expansion compartments () defined therein, a chamber outlet pipe () having an outlet passage defined therein for discharging the exhaust gases (G) from the chamber body (), and an exhaust control valve () disposed in the chamber outlet pipe () for adjusting the sectional area of the outlet passage inside the chamber outlet pipe ().


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