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:
Dec. 07, 2021

Filed:

Sep. 26, 2019
Applicant:

Suzuki Motor Corporation, Hamamatsu, JP;

Inventors:

Takayoshi Muramatsu, Hamamatsu, JP;

Takanori Chino, Hamamatsu, JP;

Assignee:

SUZUKI MOTOR CORPORATION, Hamamatsu, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 1/02 (2006.01); F01N 1/08 (2006.01);
U.S. Cl.
CPC ...
F01N 1/02 (2013.01); F01N 1/085 (2013.01); F01N 2210/04 (2013.01); F01N 2470/02 (2013.01); F01N 2470/24 (2013.01); F01N 2490/04 (2013.01); F01N 2590/04 (2013.01);
Abstract

There is provided a muffler structure of a saddle-type vehicle. The muffler structure is disposed at a downstream side of an exhaust pipe extending from an exhaust port of a cylinder head. A pipe is connected to the exhaust pipe and inserted into a muffler main body. The muffler main body includes a cylindrical portion and a reduced diameter portion joined to a downstream side end portion of the cylindrical portion and having a diameter reduced toward the downstream side thereof. The pipe includes a center pipe passing through the cylindrical portion, and a tail pipe disposed in the reduced diameter portion. An expansion chamber is formed by a space in the reduced diameter portion in the vicinity of the tail pipe.


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