Air-conditioner employing non-azeotrope refrigerant

Details Air-conditioner employing non-azeotrope refrigerant Air-conditioner employing non-azeotrope refrigerant

1994-10-17

1996-08-06

Sollecito, John M.

Refrigeration

Refrigeration producer

Compressor-condenser-evaporator circuit

623241, 165146, F25B 100

Patent

active

055422713

ABSTRACT:
An air-conditioner of a heat pump type includes a refrigeration cycle including an interior heat exchanger, an exterior heat exchanger, a compressor, a four-way valve, and an expansion mechanism, and a non-azeotrope refrigerant composed of not less than two kinds of refrigerants is used as a working medium. A refrigerant path in each of the interior and exterior heat exchangers is divided into a group of first refrigerant passages located at a region where a proportion of the liquid-phase refrigerant is large and a group of second refrigerant passages located at a region where a proportion of the liquid-phase refrigerant is small. At least part of the group of first refrigerant passages of each of the interior and exterior heat exchangers is located at the windward side. Heat transfer tubes of the group of first refrigerant passages of each of the interior and exterior heat exchangers are smaller in flow-passage cross-sectional area than those of the corresponding group of second refrigerant passages.

REFERENCES:
patent: 3142970 (1964-08-01), Hale
patent: 4057977 (1977-11-01), Chambless

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