EJECTOR REFRIGERATION CYCLE

WIPO Patent Application WO/2017/221618

A1

An ejector refrigeration cycle comprises a compressor (11), a heat exchanger for heating (12), a first pressure reducing device (15b), an outdoor heat exchanger (17), a second pressure reducing device (15e), a heat exchanger for cooling (21), an ejector (16), a gas-liquid separator (19), and a refrigerant circuit switching device (13a, 13b, 18a, 18b). The refrigerant circuit switching device causes refrigerant flowing from the heat exchanger for heating to flow, in order, to the first pressure reducing device, the outdoor heat exchanger, the second pressure reducing device, the heat exchanger for cooling, and the compressor in a first dehumidification heating mode, and to flow, in order, to the second pressure reducing device, the heat exchanger for cooling, the first pressure reducing device, the outdoor heat exchanger, and the compressor in a second dehumidification heating mode. The direction that the refrigerant flows in the outdoor heat exchanger while in the first dehumidification heating mode is the same direction that the refrigerant flows in the outdoor heat exchanger while in the second dehumidification heating mode. The direction that the refrigerant flows in the outdoor heat exchanger while in the first dehumidification heating mode is opposite to the direction that the refrigerant flows in the outdoor heat exchanger while in a heating mode.

TADA KAZUHIRO (JP)
HASEGAWA HIROYA (JP)
ITO SATOSHI (JP)
KUWAHARA MIKIHARU (JP)

PCT/JP2017/019292

December 28, 2017

May 24, 2017

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DENSO CORP (JP)

F25B1/00; F25B13/00

JP2014115069A	2014-06-26
JP2014016085A	2014-01-30
JP2005300067A	2005-10-27
JP2004142506A	2004-05-20
CN1687675A	2005-10-26

JIN Shunji (JP)

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