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. 17, 2018
Filed:
May. 14, 2015
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventors:
Richard Ivakitch, Toronto, CA;
Czeslaw Wojtyczka, Brampton, CA;
Andreas Eleftheriou, Woodbridge, CA;
Assignee:
PRATT & WHITNEY CANADA CORP., Longueuil, Quebec, unknown;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 21/04 (2006.01); F01D 25/24 (2006.01); F01D 25/00 (2006.01); F01D 11/12 (2006.01); F01D 11/14 (2006.01); F02C 7/045 (2006.01); F04D 29/52 (2006.01); F04D 29/02 (2006.01);
U.S. Cl.
CPC ...
F01D 25/24 (2013.01); F01D 11/122 (2013.01); F01D 11/14 (2013.01); F01D 21/045 (2013.01); F01D 25/005 (2013.01); F02C 7/045 (2013.01); F04D 29/023 (2013.01); F04D 29/526 (2013.01); F05D 2220/36 (2013.01); F05D 2300/121 (2013.01); F05D 2300/171 (2013.01);
Abstract
A steel soft wall fan case assembly according to one embodiment configured with a thin-walled steel support structure shell including a plurality of annular axial walls of thin sheet metal reinforced by a plurality of rings interconnecting axially adjacent annular axial walls. The steel support structure shell is structurally integrated with honeycomb materials and an annular metallic inner wall. A fabric containment layer may be wrapped around one of the annular axial walls of the steel support structure shell.