Compact liquid nitrogen pump
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United States of America Patent
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Nov 13, 2018
Grant Date -
Mar 3, 2016
app pub date -
Sep 3, 2014
filing date -
Sep 3, 2014
priority date (Note) -
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Abstract
The invention provides a cryogenic liquid pump system, having a first end with at least an insulating lid and motor; a second end, wherein the second end is a pump, said pump comprising an impeller; and a gas release plate upstream of the impeller; and a shaft disposed between the first end and the second end, wherein the motor imparts mechanical energy to the pump through the shaft. Also provided is a method for preventing cavitation of a cryogenic liquid in a cryogenic pump, the method having the steps of constantly maintaining pressure on the liquid in the pump and evacuating gas bubbles that form within the pump.
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