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:
Oct. 04, 2022
Filed:
Mar. 29, 2019
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventors:
Guy Lefebvre, St-Bruno-de-Montarville, CA;
John Pietrobon, Outremont, CA;
Assignee:
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/042 (2006.01); F01D 25/16 (2006.01); F01D 25/18 (2006.01); F04D 29/52 (2006.01);
U.S. Cl.
CPC ...
F04D 29/042 (2013.01); F01D 25/162 (2013.01); F01D 25/18 (2013.01); F04D 29/52 (2013.01); F05D 2240/52 (2013.01);
Abstract
There is disclosed a gas turbine engine including a bearing housing having at least two bearings axially spaced from one another relative to a central axis. The bearing housing includes an axially deformable bellows between the bearings configured to permit axial relative movement of the bearings. A method of operating a bearing assembly is also disclosed.