Cam drive for cryogenic refrigerator

Details Cam drive for cryogenic refrigerator Cam drive for cryogenic refrigerator

1987-08-14

1989-01-10

Capossela, Ronald C.

Refrigeration

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

74 57, F25B 900

Patent

active

047964308

ABSTRACT:
Modified Stirling cycle refrigerators having a cam drive unit which is illustrated as being implemented either as a rotatable cylinder having a pair of circumferential camming grooves or as wobble plates having camming tracks on the periphery thereof. The cam drive unit drives the compressor and expander piston of the refrigerator through cam followers. Refrigerator embodiments having a plurality of compressor-expander piston pairs driven from a single cam drive are also disclosed.

REFERENCES:
patent: 1998945 (1935-04-01), Stein
patent: 2307214 (1943-01-01), Gollmer
patent: 2445819 (1948-07-01), Bell
patent: 2451374 (1948-10-01), Bell
patent: 3107541 (1963-10-01), Parsus
patent: 3183662 (1965-05-01), Korsgren, Sr.
patent: 4282716 (1981-08-01), Momose et al.
patent: 4375749 (1983-03-01), Ishizaki
patent: 4388808 (1983-06-01), Durenec

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