Leak detector

Details Leak detector Leak detector

1985-02-22

1986-12-23

Levy, Stewart J.

Measuring and testing

With fluid pressure

Leakage

73293, G01M 338, G01F 2310

Patent

active

046304673

ABSTRACT:
A method for detecting small leaks in a tank storing a liquid by measuring changes in the location of a float suspended in the liquid. The method includes the steps of sealing the float to prevent the condensation of vapors within the float, positioning the float at a preselected depth, modulating an emitted signal by an amount which varies with the changes in the location of the float, and detecting the modulated signal. Changes in the signal are indicative of small changes in the location of the float and small leaks in the tank.

REFERENCES:
patent: 2657577 (1953-11-01), Falk
patent: 3805613 (1974-04-01), Stone
patent: 4453400 (1984-06-01), Senese et al.

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