Cryogenic refrigerator

Details Cryogenic refrigerator Cryogenic refrigerator

1983-06-17

1984-11-13

Capossela, Ronald C.

Refrigeration

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

60520, F25B 900

Patent

active

044817770

ABSTRACT:
In a cryogenic refrigerator, a refrigerant is circulated in a fluid flow path between first and second chambers by the movement of a displacer means. A slide is connected to the displacer means and reciprocated by a motor. The slide has an axial passage communicating the first and second chambers. The slide has a piston for varying the volume of gas in a third chamber during its reciprocation. The need for a separate compressor is eliminated.

REFERENCES:
patent: 3991585 (1976-11-01), Mulder
patent: 3991586 (1976-11-01), Acord
patent: 4044558 (1977-08-01), Benson
patent: 4388809 (1983-06-01), Sarcia
patent: 4389850 (1983-06-01), Sarcia
patent: 4391103 (1983-07-01), Sarcia

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