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:
Mar. 31, 2015

Filed:

Dec. 15, 2011
Applicants:

Kazutoshi Wakatsuki, Toyota, JP;

Nakaya Takagaki, Toyota, JP;

Hideyuki Komitsu, Toyota, JP;

Inventors:

Kazutoshi Wakatsuki, Toyota, JP;

Nakaya Takagaki, Toyota, JP;

Hideyuki Komitsu, Toyota, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 1/08 (2006.01); F01N 1/02 (2006.01);
U.S. Cl.
CPC ...
F01N 1/08 (2013.01); F01N 1/02 (2013.01); F01N 1/083 (2013.01); F01N 1/084 (2013.01); F01N 1/089 (2013.01);
Abstract

A silencing apparatus for a vehicle includes: a muffler () having a flattened sectional shape; an inlet pipe (); an outlet pipe (); and at least one partition plate () that divides the inside of the muffler () into a plurality of sound-deadening chambers. Each of the at least one partition plate () has at least one communication hole. Within the muffler (), at least one among an opening of the inlet pipe (), an opening of the outlet pipe (), and the at least one communication hole is disposed at a position that is apart by a length equal to a half of the width of the muffler () from one end of the muffler () in the width direction thereof, and at least one among them is disposed at a position that is apart by a length equal to a quarter of the width from one end of the muffler () in the width direction.


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