Fluid leak detector

Details Fluid leak detector Fluid leak detector

1987-11-19

1988-11-22

Chapman, John

Measuring and testing

With fluid pressure

Leakage

G01M 324

Patent

active

047856599

ABSTRACT:
An apparatus for locating fluid leaks within a fluid channel such as a gas leak within a pipe line. This apparatus detects the leak by detection of sound waves created by the leaking fluid. The apparatus utilizes a sound transducer which picks up the noise of the leak. Only the ultrasonic portion of the noise is desired with the audible range to be eliminated. Eliminating of the audible range is by subtracting a reference signal from the noise produced signal. The resulting output signal is amplified and supplied to an annunciator. The annunciator can take the form of either or both an audio annunciator or a visual annunciator.

REFERENCES:
patent: 3192516 (1965-06-01), Simpkins et al.
patent: 3289465 (1966-12-01), Parker
patent: 3500676 (1970-03-01), Palmer
patent: 4309576 (1982-01-01), Corrigan
patent: 4416145 (1983-11-01), Goodman et al.
patent: 4583406 (1986-04-01), Dimeff

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