Heat exchanger for cryogenic refrigerator
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United States of America Patent
Stats
-
Jul 18, 1989
Grant Date -
N/A
app pub date -
Oct 2, 1987
filing date -
Oct 2, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cryogenic refrigerator utilizing the Gifford-McMahon cycle that includes a cylinder having a warm end and a cold end, a displacer slidably mounted within the cylinder to form an expansion chamber at the cold end of the cylinder, a regenerator housing having an inlet end connected to a source of refrigerant and an outlet end connected to said expansion chamber whereby refrigerant from said source is passed in and out of said chamber through the regenerator, and a heat exchanger for placing the warm end of the displacer cylinder in heat transfer relationship with the inlet end of the regenerator housing whereby heat energy from the warm end of the cylinder is transferred rapidly into the refrigerant as it moves out of the regenerator back to the source.
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