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:
May. 14, 2024
Filed:
Dec. 17, 2021
Applicant:
Rolls-royce North American Technologies Inc., Indianapolis, IN (US);
Inventors:
Timothy Unton, Avon, IN (US);
Kirk C. Lefort, Avon, IN (US);
Paul K. Johnson, Ft. Wayne, IN (US);
Andrew J. Eifert, Indianapolis, IN (US);
Assignee:
Rolls-Royce North American Technologies Inc., Indianapolis, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 9/00 (2006.01); F02C 6/08 (2006.01); F02C 7/18 (2006.01); F02C 9/18 (2006.01);
U.S. Cl.
CPC ...
F02C 9/18 (2013.01); F02C 6/08 (2013.01); F02C 7/185 (2013.01); F05D 2220/50 (2013.01); F05D 2260/213 (2013.01); F05D 2260/232 (2013.01); F05D 2260/601 (2013.01); F05D 2260/606 (2013.01); F05D 2270/3011 (2013.01); F05D 2270/3015 (2013.01);
Abstract
A bleed air control system is configured to vary the air pressure at the inlet of a gas turbine engine. The bleed air control system includes a first gas turbine engine configured to provide bleed air, a second gas turbine engine acting as an auxiliary power unit, and a bleed air control system configured to selectively provide bleed air from the first gas turbine engine to the second gas turbine engine.