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. 10, 2023
Filed:
Jul. 23, 2020
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventor:
Bruno Martin, Saint-Jean-sur-Richelieu, CA;
Assignee:
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16N 39/00 (2006.01); F01D 25/18 (2006.01); F02C 7/06 (2006.01);
U.S. Cl.
CPC ...
F16N 39/002 (2013.01); F01D 25/18 (2013.01); F02C 7/06 (2013.01); F05D 2220/323 (2013.01); F05D 2260/609 (2013.01); F05D 2260/98 (2013.01);
Abstract
An active de-aerator for an aircraft engine is provided, with a housing having an air-oil inlet, an oil outlet and an air outlet. An impeller is received within and rotatable relative to the housing about a central axis. The active de-aerator has a first journal bearing on a first side of the impeller for rotatably supporting the impeller relative to the housing and a second journal bearing on a second side of the impeller for rotatably supporting the impeller relative to the housing, the second side being opposite the first side.