Stirling free piston cryocoolers
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United States of America Patent
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-
Jun 11, 1991
Grant Date -
N/A
app pub date -
Feb 23, 1990
filing date -
Feb 23, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to a Stirling free piston cryocooler in which the drive assembly is arranged in an in-line opposed piston arrangement. The displacer piston assembly is nested within the power piston assembly. In one embodiment the thermodynamic assembly is connected to the drive mechanism in a tee arrangement so that the opposed cryocooler pistons share a common expansion space. In another embodiment the thermodynamic assembly is connected to the drive mechanism in a double split tee arrangement with the thermodynamic components remotely located from the expansion and compression spaces and connected thereto by flexible tubes.
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