Cryogenic Cooling Pump and Method
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United States of America Patent
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Issued Date -
Jul 9, 2015
app pub date -
May 2, 2013
filing date -
May 31, 2012
priority date (Note) -
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Abstract
A pump (10) for circulating a cryogenic coolant, comprising: a cylinder housing (14); a piston (16) received in said cylinder housing (14) for reciprocating in said cylinder housing (14) between a first death center position (18) and a second death center position (20), said first death center position (18) and said second death center position (20) defining a compression chamber (22) therebetween; an outlet (34) for said compression chamber (22); and an inlet (36) formed in a wall (24) of said cylinder housing (14) at a position between said first death center position (18) and said second death center position (20); wherein said inlet (36) is adapted to establish a fluid connection between said compression chamber (22) and a coolant reservoir (40; 76).
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