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:
Jul. 28, 2020
Filed:
Jan. 31, 2012
Applicants:
Peter M. Munsell, Granby, CT (US);
Philip S. Stripinis, Rocky Hill, CT (US);
Inventors:
Peter M. Munsell, Granby, CT (US);
Philip S. Stripinis, Rocky Hill, CT (US);
Assignee:
RAYTHEON TECHNOLOGIES CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02C 6/08 (2006.01); F01D 25/12 (2006.01); F02C 7/18 (2006.01); F01D 25/18 (2006.01);
U.S. Cl.
CPC ...
F02C 6/08 (2013.01); F01D 25/125 (2013.01); F01D 25/183 (2013.01); F02C 7/18 (2013.01); F05D 2260/20 (2013.01); F05D 2270/335 (2013.01); Y02T 50/676 (2013.01);
Abstract
A gas turbine engine includes a buffer system that communicates a buffer supply air to a portion of the gas turbine engine. The buffer system includes a first bleed air supply having a first pressure, a second bleed air supply having a second pressure that is greater than the first pressure, and a valve that selects between the first bleed air supply and the second bleed air supply to communicate the buffer supply air to the portion of the gas turbine engine.