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. 25, 2021
Filed:
May. 09, 2017
Applicant:
Rolls-royce North American Technologies, Inc., Indianapolis, IN (US);
Inventors:
Donald Klemen, Carmel, IN (US);
Michael J. Armstrong, Avon, IN (US);
Assignee:
Rolls-Royce North American Technologies Inc., Indianapolis, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 15/10 (2006.01); F02C 7/32 (2006.01); F02C 3/10 (2006.01); F02K 3/06 (2006.01); F02C 3/04 (2006.01); F02C 7/06 (2006.01); F02C 7/275 (2006.01); F02C 7/36 (2006.01); F01D 17/02 (2006.01); F01D 17/24 (2006.01); B60R 16/03 (2006.01); H02K 7/18 (2006.01); H02K 5/173 (2006.01); H02K 9/19 (2006.01); B64D 27/10 (2006.01); H02P 9/04 (2006.01);
U.S. Cl.
CPC ...
B60R 16/03 (2013.01); B64D 27/10 (2013.01); F01D 15/10 (2013.01); F01D 17/02 (2013.01); F01D 17/24 (2013.01); F02C 3/04 (2013.01); F02C 3/10 (2013.01); F02C 7/06 (2013.01); F02C 7/275 (2013.01); F02C 7/32 (2013.01); F02C 7/36 (2013.01); F02K 3/06 (2013.01); H02K 5/1732 (2013.01); H02K 7/1823 (2013.01); H02K 9/19 (2013.01); H02P 9/04 (2013.01); F05D 2220/323 (2013.01); F05D 2220/36 (2013.01); F05D 2220/76 (2013.01); H02K 2203/09 (2013.01);
Abstract
A turbofan gas turbine engine includes low pressure (LP) motor-generator operable in either a generation mode or a drive mode, an high pressure (HP) motor-generator operable in a either a generation mode or a drive mode, and a power control module for selectively operating the LP and HP motor-generators according to operational conditions of the engine.