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Title:
REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/071299
Kind Code:
A1
Abstract:
In a refrigeration cycle device (1), an injection pipe (31) and an economizer heat exchanger (32) are provided to a main refrigerant circuit (20). Further, the refrigeration cycle device (1) is provided with a sub refrigerant circuit (80) which includes a sub utilization-side heat exchanger (85). In the refrigeration cycle device (1), the sub utilization-side heat exchanger (85) is made to function as: an evaporator for a sub refrigerant so as to cool a main refrigerant that was cooled in the economizer heat exchanger (32); or as a heat radiator for the sub refrigerant so as to heat the main refrigerant that was cooled in the economizer heat exchanger (32).

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Inventors:
KUMAKURA EIJI
IWATA IKUHIRO
FURUSHO KAZUHIRO
FUJIYOSHI RYUSUKE
MATSUOKA HIROMUNE
Application Number:
PCT/JP2019/038451
Publication Date:
April 09, 2020
Filing Date:
September 30, 2019
Export Citation:
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Assignee:
DAIKIN IND LTD (JP)
International Classes:
F25B7/00; F25B1/00; F25B1/10; F25B13/00
Domestic Patent References:
WO2005052467A12005-06-09
Foreign References:
JP2013130358A2013-07-04
JP2013210155A2013-10-10
JP2012189258A2012-10-04
JP2013139938A2013-07-18
Other References:
See also references of EP 3862655A4
Attorney, Agent or Firm:
SHINJYU GLOBAL IP (JP)
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