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:
Feb. 25, 2025
Filed:
Mar. 31, 2023
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventor:
Hugues Pellerin, Montreal, CA;
Assignee:
Pratt & Whitney Canada Corp., Longueuil, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/06 (2006.01);
U.S. Cl.
CPC ...
F02C 7/06 (2013.01); F05D 2260/98 (2013.01);
Abstract
An aircraft engine lubrication system for an aircraft engine having a first component (FC) and a second component (SC) is provided. The system includes a lubricant tank (LT), a first pump (FP), a second pump (SP), and a de-aerator (DA). The LT outlet is in fluid communication with a FP inlet. The FP outlet is in fluid communication with a SP inlet. The SP outlet is in fluid communication with a FC inlet and the SC inlet. The SC outlet is in fluid communication with a LT first inlet. The DA gas outlet is in fluid communication with a LT second inlet. The DA liquid outlet is in fluid communication with a SP inlet.