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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 10221774 B1

PDFFull Text
Date of Patent:
Mar. 05, 2019

Filed:

Jul. 21, 2016

Speed control during motoring of a gas turbine engine

Applicant:

United Technologies Corporation, Farmington, CT (US);

Inventors:

David Gelwan, Glastonbury, CT (US);

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

Jason B. Solomonides, Cromwell, CT (US);

Timothy J. Gaudet, Southhampton, MA (US);

Joshua Adams, New Hartford, CT (US);

Assignee:

UNITED TECHNOLOGIES CORPORATION, Farmington, CT (US);

Attorney:

Cantor Colburn LLP

Primary Examiner:

Anne M Antonucci

Assistant Examiner:

Kenny A Taveras

Int. Cl.
CPC ...
G06F 19/00 (2018.01); G06G 7/70 (2006.01); F02C 9/20 (2006.01); B64D 27/10 (2006.01); F02C 7/268 (2006.01); B64D 31/12 (2006.01); F01D 19/02 (2006.01); F02C 7/27 (2006.01);
U.S. Cl.
CPC ...
F02C 9/20 (2013.01); B64D 27/10 (2013.01); B64D 31/12 (2013.01); F01D 19/02 (2013.01); F02C 7/268 (2013.01); F02C 7/27 (2013.01); F05D 2220/323 (2013.01); F05D 2260/85 (2013.01); F05D 2270/02 (2013.01); F05D 2270/13 (2013.01); F05D 2270/301 (2013.01); F05D 2270/304 (2013.01); F05D 2270/705 (2013.01);
Abstract

A system is provided for speed control during motoring of a gas turbine engine of an aircraft. The system includes an air turbine starter, a starter air valve operable to deliver compressed air to the air turbine starter, and a controller. The controller is operable to adjust the starter air valve to control motoring of the gas turbine engine based on measured feedback with lead compensation to reject disturbances attributable to dual to single or single to dual engine starting transitions.

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