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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.:

US 10633106 B1

PDFFull Text
Date of Patent:
Apr. 28, 2020

Filed:

Jul. 18, 2017

Alternating starter use during multi-engine motoring

Applicant:

United Technologies Corporation, Farmington, CT (US);

Inventors:

David Gelwan, Glastonbury, CT (US);

Jesse W. Clauson, Agawam, MA (US);

Frederick M. Schwarz, Glastonbury, CT (US);

Assignee:

UNITED TECHNOLOGIES CORPORATION, Farmington, CT (US);

Attorney:

Cantor Colburn LLP

Primary Examiner:

Scott J Walthour

Assistant Examiner:

Todd N Jordan

Int. Cl.
CPC ...
F01D 19/02 (2006.01); F02C 7/277 (2006.01); F02C 9/18 (2006.01); B64D 31/12 (2006.01); F02C 9/00 (2006.01); F02C 7/27 (2006.01); F02C 7/26 (2006.01); F02C 7/268 (2006.01); F02C 7/275 (2006.01);
U.S. Cl.
CPC ...
B64D 31/12 (2013.01); F01D 19/02 (2013.01); F02C 7/27 (2013.01); F02C 7/277 (2013.01); F02C 9/00 (2013.01); F02C 9/18 (2013.01); F02C 7/26 (2013.01); F02C 7/268 (2013.01); F02C 7/275 (2013.01); F05D 2220/323 (2013.01); F05D 2220/50 (2013.01); F05D 2240/40 (2013.01); F05D 2260/85 (2013.01); F05D 2270/304 (2013.01);
Abstract

A system is provided for alternating starter use during multi-engine motoring in an aircraft. The system includes a first engine starting system of a first engine and a controller. The controller is operable to coordinate control of the first engine starting system to alternate use of power from a power source relative to use of the power by one or more other engine starting systems of the aircraft while maintaining a starting spool speed of the first engine below a resonance speed of the starting spool during motoring of the first engine.

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