EJECTOR-TYPE REFRIGERATION CYCLE, AND EJECTOR

WIPO Patent Application WO/2015/029394

A1

An ejector-type refrigeration cycle comprising: an upstream-side gas-liquid separator (14) which separates into gas and liquid a refrigerant that has flowed from a diffuser section (22b) of an ejector (20), and which causes the separated liquid phase refrigerant to flow towards an evaporator (16) without accumulating; and a downstream-side gas-liquid separator (17) which separates into gas and liquid the refrigerant that has flowed from the upstream-side gas-liquid separator (14), accumulates the separated liquid phase refrigerant, and causes the separated gas phase refrigerant to flow towards an inlet of a compressor (11). Further provided is a refrigerator oil bypass passage (23) which guides refrigerator oil that is inside the diffuser section (22b) into the downstream-side gas-liquid separator (17). Thus, the concentration of the refrigerator oil in the refrigerant flowing into the upstream-side gas-liquid separator (14) can be adjusted, and the concentration of the refrigerator oil in the liquid phase refrigerant flowing from the upstream-side gas-liquid separator (14) towards the evaporator (16) can be adjusted.

WO/2010/061624	REFRIGERATION SYSTEM
JP2002172929	CONDENSER FOR VEHICLE
JP4682745	Sealed compressor

YOKOYAMA YOSHIYUKI (JP)
YAMADA ETSUHISA (JP)
NISHIJIMA HARUYUKI (JP)
TAKANO YOSHIAKI (JP)

PCT/JP2014/004306

March 05, 2015

August 21, 2014

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DENSO CORP (JP)

F25B43/00; F25B1/00; F25B43/02

WO2013114856A1

2013-08-08

JP2010133586A	2010-06-17
EP1719650A1	2006-11-08
JP2007192429A	2007-08-02
JP2008075926A	2008-04-03
JP2004108736A	2004-04-08

KIN, Junhi (JP)
Gold Junki (JP)

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