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:
Aug. 19, 2025
Filed:
Jan. 26, 2022
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventors:
Michel Desjardins, St-Hubert, CA;
Vincent Savaria, Laval, CA;
Assignee:
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 57/04 (2010.01); F02C 7/06 (2006.01); F02C 7/36 (2006.01); F16H 57/08 (2006.01);
U.S. Cl.
CPC ...
F02C 7/36 (2013.01); F16H 57/0404 (2013.01); F16H 57/0479 (2013.01); F02C 7/06 (2013.01); F05D 2220/323 (2013.01); F05D 2230/72 (2013.01); F05D 2240/50 (2013.01); F05D 2260/40311 (2013.01); F05D 2260/98 (2013.01); F16H 57/082 (2013.01);
Abstract
A method of performing maintenance on an aircraft engine includes removing a propeller shaft of the aircraft engine to form an access volume at a center of the aircraft engine. The access volume extends axially and radially relative to a center axis of the aircraft engine. The method includes performing maintenance on a lubricant strainer positioned at a location of the access volume where a carrier of the aircraft engine engages an output of the aircraft engine.