Measuring and testing – With fluid pressure – Leakage
Patent
1987-11-16
1990-01-30
Tokar, Michael J.
Measuring and testing
With fluid pressure
Leakage
73 492, G01M 320, G01M 332
Patent
active
048965286
ABSTRACT:
Method and apparatus are described for detecting the leakage of fluid under storage tanks. A number of parallel perforated test conduits are placed under the tank which is to be tested for leaks. A vacuum is placed on the test conduits to remove gas and liquid, if any, from the soil beneath the tank. If no gas or liquid is found it indicates that there is no leak. If gas or liquid is found, small test areas are isolated under the tank. The isolated areas may be placed under vacuum or pressure so gas and/or liquid can flow therethrough under pressure so that analysis of the flow in or flow out of the test conduit can be made to determine if that isolated area has leakage. The isolated areas can be changed until the isolated area with the leak is found.
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Roskos Joseph W.
Tokar Michael J.
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