Engine status detection with external microphone

Details Engine status detection with external microphone Engine status detection with external microphone

G - Physics

01

M

G01M 15/14 (2006.01)

Patent

CA 2610913

A method of detecting at least one engine condition of a gas turbine engine (10) using a microphone (22) disposed outside a region of the gas turbine engine (10) to be monitored. The method includes receiving (44) a signal produced by the microphone (22) in response to audible frequencies, analyzing (46) the signal to determine at least one signal characteristic representative of the engine condition, and detecting (48) the engine condition based on the signal produced by the microphone (22).

Procédé de détection d'au moins une condition de moteur d'un moteur à turbine à gaz (10) utilisant un microphone (22) disposé en dehors d'une région du moteur à turbine à gaz (10) à surveiller. Le procédé comprend la réception (44) d'un signal produit par le microphone (22) en réponse à des fréquences audibles, l'analyse (46) du signal pour déterminer au moins une caractéristique de signal représentative de la condition de moteur, et la détection (48) de la condition de moteur sur la base du signal produit par le microphone (22).

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