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:
Apr. 25, 2017
Filed:
Jun. 03, 2015
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
Farooq Rehman, San Diego, CA (US);
James C Napier, San Diego, CA (US);
Assignee:
UNITED TECHNOLOGIES CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64D 41/00 (2006.01); B64D 33/02 (2006.01);
U.S. Cl.
CPC ...
B64D 41/00 (2013.01); B64D 33/02 (2013.01); B64D 2033/0213 (2013.01);
Abstract
An inlet door for an auxiliary power unit includes a door body with opposed interior and exterior surfaces. The interior surface of the inlet door is curved to diffuse sound waves received by the interior surface.