Cryogenic apparatus having means to coordinate displacer motion

Details Cryogenic apparatus having means to coordinate displacer motion Cryogenic apparatus having means to coordinate displacer motion

1977-12-30

1980-01-01

King, Lloyd L.

Refrigeration

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

60522, F25B 900, F01B 2910, F02G 104

Patent

active

041809840

ABSTRACT:
In a cryogenic apparatus wherein the refrigerator has a reciprocable displacer which must be coordinated with fluid control means, such as a rotary valve, to control the inlet and exhausting of high and low pressure fluid, respectively, to produce cooling, an improvement is disclosed comprising including means for providing proper coordination between displacer movement and fluid control means regardless of the direction in which the motor drive shaft is rotated.

REFERENCES:
patent: 3205668 (1965-09-01), Gifford
patent: 3312239 (1967-04-01), Chellis
patent: 3625015 (1971-12-01), Chellis

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