Refrigerant cycling apparatus

Details Refrigerant cycling apparatus Refrigerant cycling apparatus

1992-02-18

1993-02-16

Makay, Albert J.

Refrigeration

Processes

Employing diverse materials or particular material in...

62149, 62502, F25B 700

Patent

active

051860112

ABSTRACT:
A refrigerant cycling apparatus, enclosing a non-azeotropic mixture including a low-boiling point refrigerant and a low-boiling point refrigerant, includes: a first compressor; a second compressor, a suction pipe of which is connected with a discharge pipe of the first compressor; a fractionating/separating device, the discharge pipe of the first compressor being connected with one of a top portion and a middle portion of the fractionating/separating device, the suction pipe of the first compressor being connected with the top portion of the fractionating/separating device, the discharge pipe of the second compressor being connected with one of the middle portion and a bottom portion of the fractionating/separating device, the suction pipe of the second compressor being connected with the bottom portion of the fractionating/separating device; a first pressure reducing device provided between the top portion of the fractionating/separating device and the suction pipe of the first compressor; a first vaporizing device provided between the first pressure reducing device and the suction pipe of the first compressor to vaporize the refrigerant; a second pressure reducing device provided between the discharge pipe of the second compressor and the fractionating/separating device; and a first condensing device provided between the second pressure reducing device and the suction pipe of the second compressor to condense the refrigerant.

REFERENCES:
patent: 4325231 (1982-04-01), Krieger
patent: 4722195 (1988-02-01), Suzuki et al.
patent: 4913714 (1990-04-01), Ogura et al.
patent: 4972676 (1990-11-01), Sakai
patent: 5012651 (1991-05-01), Nakatani et al.

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