Refrigerating air-conditioning apparatus

Details Refrigerating air-conditioning apparatus Refrigerating air-conditioning apparatus

1997-10-20

1999-12-21

Wayner, William

Refrigeration

Automatic control

Diverse, cascade or compound refrigeration-producing system

62502, F25B 700, F25B 100

Patent

active

060033231

ABSTRACT:
In order to modify the composition of a non-azeotropic mixed refrigerant circulating through the refrigeration cycle of a refrigerating and air-conditioning apparatus using a refrigerant rectifier column, the level of the liquid refrigerant rich in the low-boiling point fraction that is obtained from a refrigerant rectifier column (11) and which collects in a refrigerant container (14), as well as the level of the liquid refrigerant rich in the high-boiling point fraction that collects in an accumulator (6) are adjusted so as to modify the composition of the refrigerant circulating through the refrigeration cycle. The circuit structure can be made simple, and the energy need not be supplied during the cooling and heating operations to modify the composition of the non-azeotropic mixed refrigerant.

REFERENCES:
patent: 2168157 (1939-08-01), Crago
patent: 4722195 (1988-02-01), Suzuki et al.
patent: 4961323 (1990-10-01), Katsuna et al.

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