LNG collection system and method
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United States of America Patent
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Jan 8, 2013
Grant Date -
Jan 21, 2010
app pub date -
Jul 15, 2008
filing date -
Jul 15, 2008
priority date (Note) -
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Abstract
An LNG sampling system is provided which includes a sampling probe. The sampling probe includes a backflow prevention check valve positioned within the probe adjacent the inlet end. The probe is inserted into a source of LNG to extract samples of LNG by providing a pressure differential between the probe piping system and the pressure of the LNG within the source. In the event the pressure in the piping system increases above a predetermined amount, the check valve will close preventing backflow of LNG from the sampling system back into the source.
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