Measuring and testing – With fluid pressure – Leakage
Patent
1989-02-24
1990-02-13
Chapman, John
Measuring and testing
With fluid pressure
Leakage
73149, G01M 332
Patent
active
048995738
ABSTRACT:
The present invention provides apparatus and an associated method for testing containers for volume and leaks by employing a pump which provides rapid pressurized pulses simultaneously to a container being tested and a standard volume which may be a container. Acoustic impedance materials are interposed between the pump and the two containers to isolate the containers from each other. A differential pressure monitor is interposed between the two containers to provide output to electronic processing apparatus which may serve to either determine (a) solely if a leak exists or (b) in the alternative if no leak exists to determine whether the desired volume is present within the container.
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Sensors, Determination of Small Leaks in Large Pressurized Volumes, Gibson, Sep., 1988, pp. 67-70.
Dimmick Henry M.
Spryn Richard A.
American Glass Research, Inc.
Chapman John
Roskos Joseph W.
Silverman Arnold B.
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