PUMP FOR CONVEYING A CRYOGENIC FLUID
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United States of America Patent
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Issued Date -
Dec 20, 2012
app pub date -
Jun 18, 2012
filing date -
Jun 18, 2011
priority date (Note) -
Abandoned
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Abstract
A pump for conveying a cryogenic fluid from a tank into a container which is under a higher pressure. The pump includes a cylinder having a piston which defines a low-temperature chamber and a high-temperature chamber in the cylinder such that during a first stroke movement of the piston, the volume of the low-temperature chamber decreases and the volume of the high-temperature chamber increases correspondingly, and during a second stroke movement of the piston which runs in the opposite direction of the first stroke movement, the volume of the high-temperature chamber decreases and the volume of the low-temperature chamber increases correspondingly.
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