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:
Mar. 29, 2022
Filed:
Sep. 12, 2019
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
William K. Ackermann, East Hartford, CT (US);
Peter M. Munsell, Granby, CT (US);
Assignee:
RAYTHEON TECHNOLOGIES CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 6/08 (2006.01); F01D 25/12 (2006.01); F02C 7/18 (2006.01); F01D 11/04 (2006.01); F01D 25/16 (2006.01); F02C 7/06 (2006.01); F02C 7/28 (2006.01); F02C 9/18 (2006.01);
U.S. Cl.
CPC ...
F02C 6/08 (2013.01); F01D 11/04 (2013.01); F01D 25/125 (2013.01); F01D 25/16 (2013.01); F02C 7/06 (2013.01); F02C 7/185 (2013.01); F02C 7/28 (2013.01); F02C 9/18 (2013.01); F05D 2260/202 (2013.01); F05D 2260/213 (2013.01); Y02T 50/60 (2013.01);
Abstract
A gas turbine engine includes a buffer system that communicates a buffer cooling air to at least one bearing structure and at least one shaft of the gas turbine engine. The buffer system includes a first bleed air supply and a conditioning device that conditions the first bleed air supply to render the first buffer supply air at an acceptable temperature to pressurize the at least one bearing structure and cool the at least one shaft.