Measuring and testing – With fluid pressure – Leakage
Patent
1983-09-21
1986-02-25
Swisher, S. Clement
Measuring and testing
With fluid pressure
Leakage
73292, 73 1H, G01F 2314
Patent
active
045719870
ABSTRACT:
A method and apparatus for testing liquid storage tanks for leakage by using apparatus to measure changes in liquid level and temperature over a predetermined period of time in which the liquid level apparatus includes means for discharging a uniform low pressure to a fixed point below the liquid level in the container and measuring any change in pressures over the predetermined period of time and in which the temperature measuring apparatus includes a liquid filled probe extending for substantially the full depth of the liquid in the tank with any changes in temperature in the probe liquid resulting in an expansion or contraction of the probe liquid with such liquid expansion or contraction being visibly indicated at a sight tube.
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Swisher S. Clement
Williams Hezron E.
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