Fluidic cryogenic refrigerator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 5, 1983
Grant Date -
N/A
app pub date -
Apr 19, 1982
filing date -
Apr 19, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The cryogenic refrigerator includes a movable displacer within an enclosure having first and second chambers of variable volume. A refrigerant fluid is circulated in a fluid path between said chambers by movement of the displacer. A spool valve controls introduction of high pressure fluid and low pressure fluid. The displacer movement is controlled by fluidic pressure instead of an electric motor.
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