Refrigeration – Gas compression – heat regeneration and expansion – e.g.,...
Patent
1984-12-20
1986-11-18
Capossela, Ronald C.
Refrigeration
Gas compression, heat regeneration and expansion, e.g.,...
60520, F25B 900
Patent
active
046228233
ABSTRACT:
A refrigerator comprising a piston which is driven in a reciprocating fashion within a cylinder by the difference in pressure of working gas alternately supplied to first and second variable-volume chambers separated by said piston, a motor, a rotary valve which is attached to an output shaft of said motor and which switches a passageway for said working gas provided between said first and second variable-volume chambers alternately to a high-pressure supply side and low-pressure return side, and at the same time blocks said passageway, and a cam which is mounted on an output shaft of said motor and which guides the reciprocation of said piston in accordance with the motion of said rotary valve connected to said piston rod.
REFERENCES:
patent: 3312239 (1967-04-01), Chellis
patent: 3625015 (1971-12-01), Chellis
patent: 3656313 (1972-04-01), Low et al.
patent: 3733837 (1973-05-01), Lobb
patent: 4438631 (1984-03-01), Sarcia
Ishizawa Tadao
Kakinuma Masami
Kotaka Hirofumi
Adams Bruce L.
Burns Robert E.
Capossela Ronald C.
Lobato Emmanuel J.
Seiko Seiki Kabushiki Kaisha
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