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:
Jun. 22, 2021
Filed:
Feb. 07, 2019
Applicant:
Rolls-royce Plc, London, GB;
Inventors:
Stephen M. Husband, Derby, GB;
Ahmed My Razak, Bristol, GB;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02C 7/26 (2006.01); F01D 19/00 (2006.01); F02C 7/275 (2006.01); F02C 7/262 (2006.01); F02C 9/20 (2006.01);
U.S. Cl.
CPC ...
F02C 7/26 (2013.01); F01D 19/00 (2013.01); F02C 7/262 (2013.01); F02C 7/275 (2013.01); F02C 9/20 (2013.01); F05D 2220/76 (2013.01); F05D 2260/85 (2013.01); F05D 2270/101 (2013.01); F05D 2270/304 (2013.01);
Abstract
A method of controlling at least a part of a start-up or re-light process of a gas turbine engine, the method comprising: controlling rotation of a low pressure compressor using a first electrical machine to increase angular velocity of the low pressure compressor; and controlling rotation of a high pressure compressor using a second electrical machine to restrict angular velocity of the high pressure compressor while the angular velocity of the low pressure compressor is increased.
Husband, Stephen. (2021). Methods and apparatus for controlling at least a part of a start-up or re-light process of a gas turbine engine (U.S. Patent No. 11041441). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11041441
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile