Vibration-dampening arrangement for a refrigerator operating acc

Details Vibration-dampening arrangement for a refrigerator operating acc Vibration-dampening arrangement for a refrigerator operating acc

1991-01-14

1992-02-25

Capossela, Ronald C.

Refrigeration

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

60520, F25B 900

Patent

active

050902067

ABSTRACT:
A refrigerator operating on the Gifford-McMahon principle includes a housing defining a work chamber; a displacement member received in the housing and being movable back and forth between two dead center positions; a regenerator mounted in the displacement member; a piston attached to and extending from the displacement member; a drive cylinder disposed in the housing and being arranged for slidably receiving the piston; an arrangement for introducing a low-pressure working gas and a high-pressure working gas into the drive cylinder and the work chamber for reciprocating the displacement member between its dead center positions; a device for exerting a continuous force on the displacement meber in one of the directions of its reciprocation; and a throttle-containing conduit communicating with the drive cylinder for continuously maintaining either the low-pressure gas or the high-pressure gas in the drive cylinder dependent upon the direction in which the continuous force is oriented.

REFERENCES:
patent: 4352643 (1982-10-01), Iijima
patent: 4642995 (1987-02-01), Bachler et al.
patent: 4761963 (1988-08-01), Kiese
patent: 4912932 (1990-04-01), Malaker et al.
patent: 4922722 (1990-05-01), Kazumoto et al.
patent: 4954053 (1990-09-01), Inoda et al.

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