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:
Jan. 15, 2019
Filed:
Jul. 13, 2016
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventors:
David Denis, Burlington, CA;
Andreas Eleftheriou, Woodbridge, CA;
David Harold Menheere, Georgetown, CA;
Assignee:
PRATT & WHITNEY CANADA CORP., Longueuil, QC, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 25/24 (2006.01); B23K 31/02 (2006.01); F01D 25/16 (2006.01); B23K 101/00 (2006.01); B23K 101/08 (2006.01); B23K 101/04 (2006.01);
U.S. Cl.
CPC ...
F01D 25/243 (2013.01); B23K 31/02 (2013.01); F01D 25/162 (2013.01); B23K 2101/001 (2018.08); B23K 2101/045 (2018.08); B23K 2101/08 (2018.08); F05D 2220/323 (2013.01); F05D 2230/232 (2013.01); F05D 2300/10 (2013.01); Y02T 50/671 (2013.01);
Abstract
The structural case has an annular body having a central axis and including a plurality of boss sections circumferentially interspaced from one another around the axis by a plurality of arcuate panel sections, each panel section having: two parallel arcuate structural flange members being axially interspaced from one another; a sheet metal wall extending between and interconnecting the two flange members; and at least one rib having an edge welded to the sheet-metal wall.