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:
Jun. 17, 2025
Filed:
Jun. 26, 2023
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventors:
Jocelyn Bisson, St-Basile-le-Grand, CA;
Guy Lefebvre, St-Bruno-de-Montarville, CA;
Assignee:
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/02 (2006.01);
U.S. Cl.
CPC ...
F01D 5/025 (2013.01); F01D 5/027 (2013.01); F05D 2260/15 (2013.01); F05D 2260/31 (2013.01); F05D 2260/36 (2013.01);
Abstract
A rotor assembly comprises an internal snap ring seated in a groove defined in an inner diameter surface of a rotor component. The snap ring has centrifugal weights to centrifugally expand enough to compensate for a difference in thermal growth between the rotor component and the snap ring.