Method and apparatus for detecting liquid leaks

Details Method and apparatus for detecting liquid leaks Method and apparatus for detecting liquid leaks

1988-04-19

1990-01-16

Levy, Stewart J.

Measuring and testing

With fluid pressure

Leakage

73299, G01M 332

Patent

active

048934984

ABSTRACT:
A liquid leak detector for above-ground tanks includes an upright standpipe connected to the tank so that the standpipe can be filled with liquid from the tank to the same level as the liquid in the tank. A pressure transducer is connected between the bottom of the tank and the bottom of the standpipe to measure the difference in pressure of the liquids in the tanks and standpipe. Any change in the liquid pressure at the bottom of the tank as a result of leakage from the tank will change the pressure differential on the pressure transducer. This changes the output of the transducer which can be recorded to indicate leakage from the tank.

REFERENCES:
patent: 3913401 (1975-10-01), Sweeney
patent: 4394346 (1983-07-01), Morooka
patent: 4474054 (1984-10-01), Ainlay

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