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:
Oct. 24, 2017
Filed:
May. 11, 2015
Applicant:
Rolls-royce Plc, London, GB;
Inventors:
Assignee:
ROLLS-ROYCE plc, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 17/00 (2006.01); F02C 9/18 (2006.01); F02C 3/04 (2006.01); F01D 15/10 (2006.01); F04D 27/02 (2006.01); B64D 13/06 (2006.01); F04D 19/02 (2006.01);
U.S. Cl.
CPC ...
F02C 9/18 (2013.01); F01D 15/10 (2013.01); F02C 3/04 (2013.01); F04D 27/0223 (2013.01); F04D 27/0261 (2013.01); B64D 2013/0618 (2013.01); B64D 2013/0644 (2013.01); F04D 19/02 (2013.01); F05D 2220/76 (2013.01); F05D 2270/101 (2013.01); Y02T 50/56 (2013.01);
Abstract
A method of operating a gas turbine engine compressor. The method includes: determining an operating point of the compressor, and modulating mass flow of environmental control system input air to maintain the operating point of the gas turbine engine compressor within predetermined limits.