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. 25, 2009
Filed:
Sep. 25, 2007
Jay M. Francisco, Chula Vista, CA (US);
James C. Napier, San Diego, CA (US);
Dan G. Sapiro, Poway, CA (US);
Behzad Hagshenas, San Diego, CA (US);
Jay M. Francisco, Chula Vista, CA (US);
James C. Napier, San Diego, CA (US);
Dan G. Sapiro, Poway, CA (US);
Behzad Hagshenas, San Diego, CA (US);
Hamilton Sundstrand Corporation, Rockford, IL (US);
Abstract
An exhaust silencer assembly comprising a casing having an exhaust gas entrance opening, an exhaust gas exit opening, and a cooling air inlet opening, and an acoustic-attenuating porous liner disposed within an interior chamber of the casing, thereby dividing the interior chamber into an inner region located between the exhaust gas entrance opening and the exhaust gas exit opening, and an outer region located between the acoustic-attenuating porous liner and the casing, where the cooling air inlet opening is located at the outer region.