Balanced integral Stirling cryogenic refrigerator

Refrigeration – Gas compression – heat regeneration and expansion – e.g.,...

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60517, 74570, 92140, 123197AB, 123197AC, F25B 900

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active

045505713

ABSTRACT:
In an integral Stirling cryogenic refrigerator the compressor piston is several times heavier than the displacer. In order to counterbalance both the displacer and compressor piston with a rotating counterweight, the displacer connecting rod is formed of a high density material. Specifically, the connecting rod is formed of a tungsten alloy and is several times heavier than the displacer.

REFERENCES:
patent: 3440933 (1969-04-01), Sutton
patent: 4004421 (1977-01-01), Cowans
patent: 4236416 (1980-12-01), Barcita
patent: 4248050 (1981-02-01), Durenec
patent: 4365982 (1982-12-01), Durenec
patent: 4382362 (1983-05-01), Mortel et al.
Final Technical Report for Low Vibration Cooler, Report No. EOSR411 by G. Shepherd, Jun. 25, 1979.

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