Constant level leak detection apparatus and method

Details Constant level leak detection apparatus and method Constant level leak detection apparatus and method

1989-05-01

1990-08-07

Williams, Hezron E.

Measuring and testing

With fluid pressure

Leakage

G01M 332

Patent

active

049457578

ABSTRACT:
Apparatus for and method of testing whether a tank completely filled with liquid is leaking comprising a liquid containing standpipe in fluid communication with a tank to be tested, and mechanism for maintaining a substantially constant head pressure on the bottom of a tank being tested as the volume of liquid from the tank tends to expand or contract.

REFERENCES:
patent: 3580055 (1981-05-01), White
patent: 4474054 (1984-10-01), Ainlay
patent: 4649739 (1987-03-01), Horner
patent: 4672842 (1987-06-01), Hasselman
patent: 4748846 (1988-06-01), Haynes
patent: 4807464 (1989-02-01), Janotta
patent: 4827762 (1989-05-01), Hasselman

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