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:
Aug. 11, 2020
Filed:
Mar. 22, 2016
Applicant:
Sikorsky Aircraft Corporation, Stratford, CT (US);
Inventor:
Joseph Lawrence Simonetti, Southbury, CT (US);
Assignee:
SIKORSKY AIRCRAFT CORPORATION, Stratford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/042 (2006.01); F02C 9/54 (2006.01); F02C 9/22 (2006.01); B64D 33/02 (2006.01); B64C 27/04 (2006.01); F02C 9/42 (2006.01); B64D 27/10 (2006.01); B64D 35/08 (2006.01); F02C 7/26 (2006.01); B64C 27/06 (2006.01);
U.S. Cl.
CPC ...
F02C 7/042 (2013.01); B64C 27/04 (2013.01); B64D 27/10 (2013.01); B64D 33/02 (2013.01); B64D 35/08 (2013.01); F02C 7/26 (2013.01); F02C 9/22 (2013.01); F02C 9/42 (2013.01); F02C 9/54 (2013.01); B64C 27/06 (2013.01); B64D 2033/0273 (2013.01); F05D 2220/323 (2013.01); F05D 2220/329 (2013.01); F05D 2260/85 (2013.01);
Abstract
A method of operating a multi-engine, rotary wing aircraft in a single engine, in-flight mode, the method includes stopping a first engine while operating a second engine; closing variable inlet guide vanes on the first engine; and turning a gas generator of the first engine at a reference rotational speed.