Method of detecting a leakage of fluid

Details Method of detecting a leakage of fluid Method of detecting a leakage of fluid

1983-03-31

1985-10-01

Goldberg, Gerald

Measuring and testing

With fluid pressure

Leakage

7386118, G01M 324

Patent

active

045438170

ABSTRACT:
A method of detecting a leakage of fluid is disclosed, in which a leaking sound, which is produced when the pipe is broken and propagates through the pipe, is detected by a couple of acoustic sensors mounted to a pipe through which fluid flows at portions separated from each other with a proper distance, the amplitudes of a plurality of different frequency components extracted from the output signals of the acoustic sensors are obtained and then a leaking location of fluid in the pipe and a leaking amount of fluid are determined on the basis of these amplitudes.

REFERENCES:
patent: 3021708 (1962-02-01), November et al.
patent: 3930556 (1976-01-01), Kusuda et al.
patent: 3952759 (1976-04-01), Ottenstein
patent: 3958458 (1976-05-01), Foreman et al.
patent: 4066095 (1978-01-01), Massa
patent: 4144743 (1979-03-01), Covington et al.
patent: 4289019 (1981-09-01), Claytor
patent: 4327576 (1982-05-01), Dickey et al.

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