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.

Date of Patent:
Nov. 01, 2022

Filed:

Jun. 08, 2020
Applicant:

Pratt & Whitney Canada Corp., Longueuil, CA;

Inventor:

Dana Tomescu, Brampton, CA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/268 (2006.01); F01D 19/02 (2006.01); F01D 25/34 (2006.01); F01D 21/00 (2006.01);
U.S. Cl.
CPC ...
F02C 7/268 (2013.01); F01D 19/02 (2013.01); F01D 21/003 (2013.01); F01D 25/34 (2013.01); F05D 2220/323 (2013.01); F05D 2260/85 (2013.01); F05D 2270/02 (2013.01); F05D 2270/303 (2013.01); F05D 2270/334 (2013.01); F05D 2270/708 (2013.01);
Abstract

There is provided a dynamic motoring system and method for an aircraft engine. Motoring of the engine is initiated for an initial motoring duration and at an initial motoring interval. At least one engine parameter is measured in real-time during the motoring, the at least one engine parameter comprising a temperature of the engine. The initial motoring duration and the initial motoring interval are modified in real-time, based on a value of the at least one engine parameter during the motoring, to obtain a modified motoring duration and a modified motoring interval. The motoring continues for the modified motoring duration and at the modified motoring interval, with a speed of rotation of the engine being controlled using the modified motoring interval.


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