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:
Apr. 19, 2022
Filed:
Jan. 07, 2020
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
Armando Amador, Wethersfield, CT (US);
Ernest Boratgis, South Windsor, CT (US);
Assignee:
RAYTHEON TECHNOLOGIES CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/06 (2006.01); F01D 9/06 (2006.01); F01D 25/16 (2006.01); F01D 25/18 (2006.01); F01D 25/20 (2006.01); F01D 25/22 (2006.01); F16C 27/04 (2006.01); F16F 15/023 (2006.01);
U.S. Cl.
CPC ...
F02C 7/06 (2013.01); F01D 9/065 (2013.01); F01D 25/164 (2013.01); F01D 25/18 (2013.01); F01D 25/20 (2013.01); F01D 25/22 (2013.01); F16C 27/045 (2013.01); F05D 2220/323 (2013.01); F05D 2220/40 (2013.01); F05D 2240/50 (2013.01); F05D 2240/55 (2013.01); F05D 2240/60 (2013.01); F05D 2260/40311 (2013.01); F05D 2260/96 (2013.01); F05D 2260/98 (2013.01); F16C 2360/23 (2013.01); F16F 15/0237 (2013.01);
Abstract
A gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a shaft configured to rotate during operation of the gas turbine engine, and a squeeze film damper radially outside the shaft. The squeeze film damper includes a cavity including a film of lubricant axially between first and second cavity seals, and further includes a reservoir fluidly coupled to the cavity. A method is also disclosed.