Volumetric leak detection system for underground storage tanks a

Details Volumetric leak detection system for underground storage tanks a Volumetric leak detection system for underground storage tanks a

1987-11-18

1989-07-25

Lall, Parshotam S.

Boots, shoes, and leggings

364550, 364556, 73 40, 73 491, 73 492, 73149, 340605, G01M 338, G01F 2310

Patent

active

048520543

ABSTRACT:
Method and apparatus for detecting leaks in underground tanks containing a liquid. The pressure and temperature of the liquid are measured over a predetermining time interval, while simultaneously measuring the liquid level in the tank and the temperature of the liquid therein. From each measuring step the leak rate of the liquid from the tank is calculated and the two calculated leak rates are compared with each other. The temperature at a series of different depths in the tank is measured. Other measurements are made and fed to a suitable computer which computes the leakage rate.

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patent: 4736329 (1988-04-01), Ferretti et al.
patent: 4736623 (1988-04-01), Brown et al.
patent: 4740777 (1988-04-01), Slocum et al.

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