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.

Date of Patent:
Aug. 08, 2023

Filed:

Jul. 06, 2021
Applicant:

Pratt & Whitney Canada Corp., Longueuil, CA;

Inventor:

Felix Gauthier, Longueuil, CA;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 25/20 (2006.01); F01M 5/02 (2006.01); F02C 7/06 (2006.01);
U.S. Cl.
CPC ...
F01D 25/20 (2013.01); F01M 5/025 (2013.01); F02C 7/06 (2013.01); F01M 2005/028 (2013.01); F05D 2220/323 (2013.01); F05D 2260/98 (2013.01);
Abstract

A lubrication system is provided for a turbine engine. This lubrication system includes a lubricant source, a pump, a first turbine engine component, a bypass circuit and a second turbine engine component. The lubricant source includes a source outlet. The pump includes a pump inlet and a pump outlet. The pump inlet is fluidly coupled with the source outlet. The first turbine engine component includes a first volume. The first volume is fluidly coupled with the pump outlet. The bypass circuit includes a bypass inlet and a bypass outlet. The bypass inlet is fluidly coupled with the pump outlet upstream of the first volume. The bypass outlet is fluidly coupled with the pump inlet downstream of the source outlet. The second turbine engine component includes a second volume. The second volume is fluidly coupled with the pump inlet downstream of the bypass outlet.


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