Refrigerator

Details Refrigerator Refrigerator

1990-10-09

1992-02-18

Wayner, William E.

Refrigeration

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

622281, F25B 900

Patent

active

050882880

ABSTRACT:
A refrigerator comprises a compressor including a first cylinder having an inner cylindrical surface, a piston reciprocating in the first cylinder, and a linear motor for having a.c. electric input power applied thereto to drive the piston; a cold finger including a second cylinder having an elongated inner cylindrical surface, a displacer reciprocating in the second cylinder, and a cold space and a hot space which are divided by the displacer; a temperature detector for detecting the temperature in the cold space; an electric input power decision unit for having a detection signal inputted from the temperature detector and for deciding the electric input power to be applied to the linear motor so that the electric input power grows greater and greater as the temperature in the cold space decreases; and a power source for providing the electric input power to the linear motor based on the output from the electric input power decision unit.

REFERENCES:
patent: 4361011 (1982-11-01), Callender et al.
patent: 4397155 (1983-08-01), Davey
patent: 4543793 (1985-10-01), Chellis et al.
patent: 4694228 (1987-09-01), Michaelis
patent: 4822390 (1989-04-01), Kazumoto et al.
patent: 4872313 (1989-10-01), Kazumoto et al.
Proceedings of the Fourth International Cryocoolers Conference, Sep. 25-26, 1986, pp. 229-240, D. Marsden, "System Design Requirements for Infra-Red Detector Cryocoolers".
Proceedings of the Third Cryocooler Conference, Sep. 17-18, 1984, pp. 80-98, F. R. Stolfi et al., "Parametric Testing of a Linearly Driven Stirling Cryogenic Refrigerator".

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