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:
Nov. 02, 2021
Filed:
Oct. 05, 2018
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventors:
Adam Logan, Toronto, CA;
Nadim Najjar, Sainte-Anne-de-Bellevue, CA;
Assignee:
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/06 (2006.01); F02C 7/27 (2006.01); F02C 3/04 (2006.01); F01D 25/20 (2006.01); F02C 7/32 (2006.01);
U.S. Cl.
CPC ...
F02C 7/06 (2013.01); F01D 25/20 (2013.01); F02C 3/04 (2013.01); F02C 7/27 (2013.01); F02C 7/32 (2013.01); F05D 2220/32 (2013.01); F05D 2240/50 (2013.01); F05D 2260/98 (2013.01);
Abstract
The gas turbine engine can have a bearing cavity, an ejector having an air/oil path fluidly connected to the bearing cavity, and a nozzle fluidly coupled with the air/oil path, the nozzle connected to a compressed air source.