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:
Jan. 08, 2019
Filed:
Oct. 08, 2015
Safran Helicopter Engines, Bordes, FR;
Olivier Pierre Descubes, Nay, FR;
Jean-Michel Pierre Claude Py, Pardies Pietat, FR;
SAFRAN HELICOPTER ENGINES, Bordes, FR;
Abstract
A method of notifying an authorization to shut down completely an aircraft gas turbine engine, the method being applied after detecting that the engine has passed to an idling speed, and including a) an evaluation step of using a value of a first operating parameter of the engine to evaluate a value for a second parameter TMG wherein a thermal behavior of a part of the engine that might be subjected to coking; b) a comparison step (E) of comparing the value of the second parameter TMG with a predefined threshold value Tthresh corresponding to a value of the second parameter that does not lead to coking of the part; and c) a notification step of notifying authorization to shut down completely the engine if the value of the second parameter TMG is lower than the value of the predefined threshold Tthresh, else reiterating steps a) to c).