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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 11142329 B1

PDFFull Text
Date of Patent:
Oct. 12, 2021

Filed:

Mar. 09, 2020

Pre-start motoring synchronization for multiple engines

Applicant:

United Technologies Corporation, Farmington, CT (US);

Inventors:

Matthew D. Teicholz, Mystic, CT (US);

James W. Dunn, South Windsor, CT (US);

Christopher P. Kmetz, Amston, CT (US);

Louis A. Celiberti, Glastonbury, CT (US);

Assignee:

RAYTHEON TECHNOLOGIES CORPORATION, Farmington, CT (US);

Attorney:

Cantor Colburn LLP

Primary Examiner:

Todd E Manahan

Assistant Examiner:

Alyson Joan Harrington

Int. Cl.
CPC ...
B64D 31/02 (2006.01); F02C 9/42 (2006.01); F01D 19/00 (2006.01); F01D 25/34 (2006.01); F02C 7/275 (2006.01); F02C 7/26 (2006.01); F01D 13/00 (2006.01); B64D 27/12 (2006.01); F01D 21/00 (2006.01); F02C 7/268 (2006.01);
U.S. Cl.
CPC ...
B64D 31/02 (2013.01); B64D 27/12 (2013.01); F01D 13/003 (2013.01); F01D 19/00 (2013.01); F01D 21/003 (2013.01); F01D 25/34 (2013.01); F02C 7/26 (2013.01); F02C 7/268 (2013.01); F02C 7/275 (2013.01); F02C 9/42 (2013.01); F05D 2220/323 (2013.01); F05D 2260/85 (2013.01); F05D 2270/13 (2013.01); F05D 2270/14 (2013.01);
Abstract

An aspect includes a system for pre-start motoring control for multiple engines of an aircraft. The system includes a first engine starting system of a first engine and a controller. The controller is operable to control a motoring time of the first engine starting system relative to one or more other engine starting systems of one or more other engines of the aircraft by adjusting the motoring time of the first engine starting system within a tolerance of the motoring time of the one or more other engine starting systems in a pre-start motoring sequence.

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