Title:
外部のマイクロホンによるエンジン状態の検知
Document Type and Number:
Japanese Patent JP2008544131
Kind Code:
A
Abstract:
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 a signal produced by the microphone (22) in response to audible frequencies, analyzing the signal to determine at least one signal characteristic representative of the engine condition, and detecting the engine condition based on the signal produced by the microphone (22).
Inventors:
Tomachine, Jean
Peter Schiller
Dooley, Kevin
Peter Schiller
Dooley, Kevin
Application Number:
JP2008516091A
Publication Date:
December 04, 2008
Filing Date:
June 15, 2006
Export Citation:
Assignee:
Pratt & Whitney Canada Corp.
International Classes:
F02C7/00; F01D25/00; F04D27/02
Attorney, Agent or Firm:
Tsuyoshi Hashimoto
Tomioka Kiyoshi
Tomioka Kiyoshi