Refrigerator, more particularly with Vuilleumier cycle, comprisi

Details Refrigerator, more particularly with Vuilleumier cycle, comprisi Refrigerator, more particularly with Vuilleumier cycle, comprisi

1988-02-01

1989-06-20

Capossela, Ronald C.

Refrigeration

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

60520, F25B 900

Patent

active

048400327

ABSTRACT:
It comprises a first cylinder (102), a displacement piston (104) sliding in the first cylinder (102), a conduit in which a thermal regenerator is included, a second cylinder (202), a second displacement piston (204) sliding in the second cylinder (202), means for displacing the first cylinder and the second cylinder in phase relation. A gas bearing (104a) is provided at the hot end of the first piston (104) and a gas bearing (104b) is provided at the intermediate temperature end of the first piston. A gas bearing (204b) is also provided at the intermediate temperature end of the second piston (204) and a gas bearing (204a) is provided at the cold end of the second piston (204).

REFERENCES:
patent: 3292501 (1966-12-01), Verbeek
patent: 3774405 (1973-11-01), Leo
patent: 4389849 (1983-06-01), Gasser et al.
patent: 4429539 (1984-02-01), Leach
patent: 4459811 (1984-07-01), Barclay et al.
patent: 4500265 (1985-02-01), Evans et al.
patent: 4522032 (1985-06-01), Nakamura
patent: 4545209 (1965-10-01), Young
patent: 4584839 (1966-04-01), Jensen et al.
patent: 4606194 (1986-08-01), Pirtle et al.
patent: 4610143 (1966-09-01), Stolfi et al.

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