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Title:
REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/065039
Kind Code:
A1
Abstract:
A refrigeration cycle device (10) configured so as to have a compressor (11), a high-temperature-side water-refrigerant heat exchanger (12), a branch unit (14a), an expansion valve (15a) for cooling, an expansion valve (15b) for heat absorption, an indoor evaporator (16), and an outdoor evaporator (18). The expansion valve (15a) for cooling and the indoor evaporator (16) are connected to one refrigerant outlet of the branch unit (14a), and the expansion valve (15b) for heat absorption and the outdoor evaporator (18) are connected to the other refrigerant outlet of the branch unit. In a cooling mode the device is switched to a refrigerant circuit in which refrigerant that has been decompressed in the expansion valve (15a) for cooling is made to exchange heat with blown air in the indoor evaporator (16), and in a heating mode the device is switched to a refrigerant circuit in which refrigerant that has been decompressed in the expansion valve (15b) for heat absorption is made to exchange heat in the outdoor evaporator (18), thereby absorbing heat from outside air and heating the blown air.

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Inventors:
MAKIMOTO Naoya (C/O DENSO CORPORATION, 1-1 Showa-ch, Kariya-city Aichi 61, 〒4488661, JP)
KATO Yoshiki (C/O DENSO CORPORATION, 1-1 Showa-ch, Kariya-city Aichi 61, 〒4488661, JP)
FUSE Takuya (C/O DENSO CORPORATION, 1-1 Showa-ch, Kariya-city Aichi 61, 〒4488661, JP)
Application Number:
JP2018/031580
Publication Date:
April 04, 2019
Filing Date:
August 27, 2018
Export Citation:
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Assignee:
DENSO CORPORATION (1-1 Showa-cho, Kariya-city Aichi, 61, 〒4488661, JP)
International Classes:
F25B5/02; B60H1/22; F25B1/00; F25B5/04; F25B29/00
Domestic Patent References:
WO2016059791A12016-04-21
WO2017154602A12017-09-14
Foreign References:
JP2013023210A2013-02-04
JP2017159814A2017-09-14
JP2010266118A2010-11-25
JP2010078258A2010-04-08
JP2005289152A2005-10-20
JP2009063230A2009-03-26
Attorney, Agent or Firm:
JIN Shunji (6th Floor, Takisada Bldg. 2-13-19, Nishiki, Naka-k, Nagoya-city Aichi 03, 〒4600003, JP)
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