REFRIGERATION CYCLE DEVICE Russian patent published in 2021 - IPC F25B47/02 

FIELD: refrigeration equipment.

SUBSTANCE: refrigeration cycle device includes the first four-way valve having the first-fourth openings; the second four-way valve and the third four-way valve, each of which has the fifth-eighth openings; the compressor; discharge line connecting the discharge port of the compressor and the first opening; suction pipe connecting the intake of the compressor and a second opening; a first high-pressure pipeline connecting the discharge line and the fifth openings; the second high-pressure line connecting the third opening and the first high-pressure line; a first valve provided in the first high-pressure line; a second valve provided in the second high pressure pipeline; low pressure pipeline connecting the suction pipe and the sixth opening; the first external heat exchanger connected to the seventh opening of the second four-way valve; a second external heat exchanger connected to the seventh opening of the third four-way valve; and an internal heat exchanger connected to the fourth opening.

EFFECT: innovative refrigeration cycle device composition is proposed.

6 cl, 14 dwg