Air conditioning system with built-in intermediate heat exchange

Details Air conditioning system with built-in intermediate heat exchange Air conditioning system with built-in intermediate heat exchange

1997-04-10

1998-07-28

Tapolcai, William E.

Refrigeration

Diverse systems, e.g., ice and mechanical

Primary and secondary dependent circuits

62434, F25D 1706

Patent

active

057848939

ABSTRACT:
An air conditioning system in which each alternative refrigerant can be fully utilized so as to present as much as actual COP in comparison with the conventional HCFC22 and to achieve safe use as operating refrigerants. The air conditioning system includes: a first refrigerant circuit in which a first refrigerant circulates, the first refrigerant circuit including: an indoor heat exchanger; and a fluid drive unit, connected to the indoor heat exchanger by way of a first piping, which drives the first refrigerant; a second refrigerant circuit in which a second refrigerant circulates, the second refrigerant circuit including: a compressor which comparesses the second refrigerant; an expansion valve, connected to the compression means, for expanding the second refrigerant; and an outdoor heat exchanger connected to the compressor and the expansion valve by way of a second piping; and an intermediate heat exchanger for heat-exchanging between the first refrigerant in the first refrigerant circuit and the second refrigerant in the second refrigerant circuit.

REFERENCES:
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patent: 3216215 (1965-11-01), Schuett
patent: 3237415 (1966-03-01), Newton
patent: 4000626 (1977-01-01), Webber
patent: 4344296 (1982-08-01), Staples et al.
patent: 4753080 (1988-06-01), Jones et al.
patent: 5042262 (1991-08-01), Gyger et al.
patent: 5207077 (1993-05-01), Rademacher et al.
patent: 5265437 (1993-11-01), Saperstein et al.
patent: 5272878 (1993-12-01), Schechtig
patent: 5320166 (1994-06-01), Swenson

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