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:
Aug. 12, 2014
Filed:
Jan. 12, 2011
Applicants:
Thorsten Keesser, Augsburg, DE;
Robin Willats, Columbus, IN (US);
Dennis Boennen, Bobingen, DE;
Joseph E. Callahan, Greenwood, IN (US);
Inventors:
Thorsten Keesser, Augsburg, DE;
Robin Willats, Columbus, IN (US);
Dennis Boennen, Bobingen, DE;
Joseph E. Callahan, Greenwood, IN (US);
Assignee:
Faurecia Emissions Control Technologies, USA, LLC, Columbus, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 1/02 (2006.01); F01N 1/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A muffler for a vehicle exhaust system includes a plastic outer shell that defines an internal cavity. A metal pipe extends through the internal cavity from an inlet to an outlet. A Helmholtz chamber is formed within the plastic outer shell to attenuate a desired frequency.