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:
Mar. 31, 2015
Filed:
Jan. 07, 2013
Applicant:
Rolls-royce Plc, London, GB;
Inventors:
Assignee:
Rolls-Royce PLC, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 19/00 (2011.01); F04D 27/02 (2006.01); G05B 13/02 (2006.01); F01D 11/20 (2006.01); F02C 9/00 (2006.01); F02C 9/28 (2006.01);
U.S. Cl.
CPC ...
F02C 9/00 (2013.01); F01D 11/20 (2013.01); F02C 9/28 (2013.01); F05D 2260/80 (2013.01);
Abstract
A gas turbine engine control apparatus comprises a controllera memoryassociated with the controllerand inputsfor measurement data from an engine. The controllerdetermines the start of a monitoring cycle atreceives measurement data at the inputsduring the monitoring cycle, manipulates the measurement data to provide an incremental deterioration value representing deterioration occurring within the engine and during the monitoring cycle, and uses the incremental deterioration value atto update a deterioration valuestored in the memoryand determines the start of a further monitoring cycle.