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:
Aug. 04, 2020
Filed:
May. 08, 2015
Applicant:
United Technologies Corporation, Hartford, CT (US);
Inventor:
Paul R. Hanrahan, Farmington, CT (US);
Assignee:
RAYTHON TECHNOLOGIES GROUP, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 27/04 (2006.01); F01D 25/16 (2006.01); F01D 1/18 (2006.01); F01D 25/20 (2006.01); F16C 19/26 (2006.01);
U.S. Cl.
CPC ...
F01D 25/162 (2013.01); F01D 1/18 (2013.01); F01D 25/164 (2013.01); F01D 25/20 (2013.01); F16C 27/045 (2013.01); F16C 19/26 (2013.01); F16C 2360/23 (2013.01);
Abstract
A gas turbine engine includes a static structure which includes a first fluid passage and a rotatable shaft. A bearing assembly supports the rotatable shaft relative to the static structure. The bearing assembly includes an outer race with a damper passage that extends between the static structure and the outer race. A second fluid passage extends from the damper passage to a seal.