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Ultrasonic cavitation detection system

  • US 5,235,524 A
  • Filed: 04/02/1990
  • Issued: 08/10/1993
  • Est. Priority Date: 04/02/1990
  • Status: Expired due to Term
First Claim
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1. A forced-excitation ultrasonic cavitation detection system which comprisesa turbomachine,an ultrasonic transmitting transducer attached to the outer wall of said turbomachine for transmitting ultrasonic pulses into said turbomachine,an ultrasonic pulse generator for forced excitation of said ultrasonic transmitting transducer,a plurality of ultrasonic receiving transducers attached to the outer wall of said turbomachine, for receiving the ultrasonic pulses passing through said turbomachine, andan electronic data processing system for processing signals from said receiving transducer and programmed to discriminate signals due to cavitation in said turbomachine from other extraneous signals including noise, to thereby indicate the level of cavitation in said turbomachine corresponding to the intensity of the signals due to cavitation,said ultrasonic pulse generator connected to said data processing system through a synchronization line.

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