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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.:

US 9919500 B1

PDFFull Text
Date of Patent:
Mar. 20, 2018

Filed:

Sep. 29, 2014

Inner bypass duct

Applicant:

Pratt & Whitney Canada Corp., Longueuil, CA;

Inventors:

Ljubisa Vrljes, Etobicoke, CA;

Kin-Leung Cheung, Toronto, CA;

Mathieu Poulin, Toronto, CA;

Michael Haddock, Georgetown, CA;

Assignee:

PRATT & WHITNEY CANADA CORP., Longueuil, CA;

Attorney:

Norton Rose Fulbright Canada LLP

Primary Examiner:

Richard Edgar

Assistant Examiner:

Michael Sehn

Int. Cl.
CPC ...
F02C 7/045 (2006.01); F02C 7/25 (2006.01); B32B 33/00 (2006.01); F01D 21/04 (2006.01);
U.S. Cl.
CPC ...
B32B 33/00 (2013.01); F01D 21/045 (2013.01); F02C 7/045 (2013.01); F02C 7/25 (2013.01); F05D 2250/283 (2013.01); F05D 2300/612 (2013.01);
Abstract

An inner bypass duct of a gas turbine engine includes a plurality of non-structural front panels arranged circumferentially. Each front panel has an outer surface and an inner surface. The inner surface is at least partially covered by a composite structure. The composite structure includes a fireproof layer and an acoustic layer disposed between the fireproof layer and the inner surface. A non-structural panel for an inner bypass duct and a method of forming such panel are also presented.

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Vrljes, Ljubisa. (2018). Inner bypass duct (U.S. Patent No. 9919500). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9919500

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