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:
Jun. 14, 2016
Filed:
Feb. 02, 2011
Sebastien Bourget, Torunan en Brie, FR;
Sebastien Bourget, Torunan en Brie, FR;
SNECMA, Paris, FR;
Abstract
A method for automated detection of ingestion of at least one foreign body by a gas turbine engine, according to which: instantaneous speed of the rotor is measured; a speed signal of the rotor is filtered to separate a static component from a dynamic component thereof; the filtered dynamic component is compared to a standard resonance wave of the rotor to obtain an ingestion indicator, the standard resonance wave corresponding to the vibrational impulse response of a rotor; the obtained ingestion indicator is compared with a detection threshold; and a foreign body ingestion detection signal is emitted when the ingestion indicator is higher than the detection threshold.