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:
Jul. 21, 2020
Filed:
Nov. 24, 2016
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventor:
Kin-Leung Cheung, Toronto, CA;
Assignee:
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/38 (2006.01); F04D 29/32 (2006.01); F01D 5/28 (2006.01); F04D 29/02 (2006.01); F02K 3/06 (2006.01);
U.S. Cl.
CPC ...
F04D 29/388 (2013.01); F01D 5/282 (2013.01); F04D 29/023 (2013.01); F04D 29/324 (2013.01); F04D 29/325 (2013.01); F02K 3/06 (2013.01); F05D 2300/50 (2013.01); F05D 2300/601 (2013.01); F05D 2300/603 (2013.01);
Abstract
A fan blade for a fan of a gas turbine engine is described which includes an airfoil having an inner core and an outer shell composed of different metals, and a galvanic separator therebetween. The galvanic separator including an adhesive layer covering said at least a portion of the inner core, and a non-conductive fabric covering the adhesive layer. A plurality of solid metal particles may be disposed on an outer surface of the non-conductive fabric layer, between the non-conductive fabric layer and the outer shell.