On-line fluid sampling device
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United States of America Patent
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-
Dec 11, 2001
Grant Date -
N/A
app pub date -
Oct 26, 1999
filing date -
Feb 9, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Fluid sampling device for use in obtaining a precise volume of fluid to be sampled from sealed pressure vessels equipped with a hydraulic fitting to which the fluid sampling devices are connectable. The first embodiment of the device a fluid float chamber with an internally sealable top opening which opens into an upper fluid passage. A floating ball is located in the fluid float chamber and is sized to be sealable at the top opening. A non-floatable ball is sized to seat on a lower seat through which fluid can enter the fluid float chamber. A vacuum line connects between the top opening and the sealed pressure vessel. The second embodiment of the device has a vacuum chamber into which is received a fluid sample container. A fluid supply tube connects between the vacuum chamber and the fluid inlet. A fluid overflow tube also connects between the vacuum chamber and the vacuum cylinder.
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