Heat pump with a reservoir storing higher pressure refrigerant o

Details Heat pump with a reservoir storing higher pressure refrigerant o Heat pump with a reservoir storing higher pressure refrigerant o

1986-03-25

1988-02-02

King, Lloyd L.

Refrigeration

Automatic control

Withdrawing or adding refrigerant from or to normally closed...

62174, 623241, 62502, F25B 4500

Patent

active

047221950

ABSTRACT:
Disclosed is a heat pump comprising a main circuit containing a mixture of non-azeotropic refrigerants, the main circuit including a compressor for pressurizing the mixture, a first heat exchanger operating as a heat sink, a second heat exchanger operating as a heat source, and an expansion device connected between the first and second heat exchangers. A portion of the mixture is supplied through a first feed line from a first junction between the expansion valve and the first heat exchanger and vaporized before being fed to a rectifier where it coacts with liquid refrigerant to cause separation of higher pressure refrigerant of the mixture from the lower pressure refrigerant. The separated higher pressure refrigerant is stored in a reservoir in liquid phase and an overflowed portion of the liquid is returned to the rectifier as said coacting liquid. A second feed line couples a second junction between the expansion device and the second heat exchanger to a bottom portion of the rectifier to complete an auxiliary circuit. A bypass line is established from the bottom portion of reservoir to the second junction accordance with input power demand to control the operation of the rectifier.

REFERENCES:
patent: 2938362 (1960-05-01), Schwind
patent: 3637005 (1972-01-01), Nussbaum
patent: 4416119 (1983-11-01), Wilson et al.

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