Fluid-operated refrigerating machine

Details Fluid-operated refrigerating machine Fluid-operated refrigerating machine

1982-09-13

1984-05-08

Capossela, Ronald C.

Refrigeration

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

60520, F25B 900

Patent

active

044467010

ABSTRACT:
A fluid-operated refrigerating machine for developing extremely low temperature by using a displacer reciprocatable within a refrigeration cylinder and a fluid-operated piston solidly connected to the displacer. A mechanical converter which converts a reciprocating motion into a rotary motion is operatively connected to the piston to limit the stroke of the piston thereby to prevent the displacer from its collision with the end walls of the refrigeration cylinder and ensure smooth operation of the displacer. For controlling gas to and from the refrigeration cylinder as well as to and from the driving chamber of the piston, a single rotary valve driven by a motor is used. In an embodiment, the rotary valve is operatively connected to the converter and thus the displacer is not only under fluid-operation but also is mechanically operated by the motor through the converter.

REFERENCES:
patent: 2564363 (1951-08-01), Horowitz et al.
patent: 2966035 (1960-12-01), Gifford
patent: 3188819 (1965-06-01), Hogan
patent: 3625015 (1971-12-01), Chellis

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