GAS-LIQUID SEPARATOR AND REFRIGERATION DEVICE WITH THE GAS-LIQUID SEPARATOR

WIPO Patent Application WO/2007/083624

A1

A refrigeration device has a gas-liquid separator (18) and a refrigerant circuit for performing a two-stage compression, two- stage expansion refrigeration cycle. In the refrigeration circuit, an intermediate-pressure, gas-liquid two-phase refrigerant passed from an outdoor heat exchanger to an intermediate expansion valve is introduced into a container body (16) via an inlet tube (20) of the gas-liquid separator (18) and separated into liquid refrigerant and gas refrigerant. The liquid refrigerant flows out of a liquid outlet tube (30), flows through a refrigerant heat exchanger via a main expansion valve, and is then drawn into a low-stage-side compressor. The gas refrigerant flows out of a gas outlet tube (40) to be supplied to the suction side of a high-stage-side compressor and is then drawn into the high-stage-side compressor together with refrigerant discharged from the low-stage-side compressor. A mesh member (50) for breaking up bubbles (80) formed of the gas refrigerant in the gas-liquid two-phase refrigerant is provided in the inlet tube (20).

WO/1994/025808	ZERO SUPERHEAT REFRIGERATION COMPRESSION SYSTEM
WO/2005/057110	COMPRESSION SYSTEM WITH MULTIPLE INLET STREAMS
JP4433729	Refrigeration equipment

FUJIMOTO SHUUJI (JP)
YAMAGUCHI TAKAHIRO (JP)

PCT/JP2007/050492

July 26, 2007

January 16, 2007

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DAIKIN IND LTD (JP)
FUJIMOTO SHUUJI (JP)
YAMAGUCHI TAKAHIRO (JP)

F25B1/10; F25B43/00

JPH0618865U	1994-03-11
JPH11173682A	1999-07-02
JPH09503286A	1997-03-31
JPS5822857A	1983-02-10
JP2005265317A	2005-09-29
JP2000320933A	2000-11-24

MAEDA, Hiroshi et al. (5-7 Hommachi 2-chome, Chuo-k, Osaka-shi Osaka 53, JP)

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