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Title:
REFRIGERATION CYCLE DEVICE AND AIR-CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/042612
Kind Code:
A1
Abstract:
A refrigeration cycle device configured so as to be equipped with a refrigeration circuit having a compressor, an indoor heat exchanger, a throttle device, and an outdoor heat exchanger, which are connected by refrigerant piping, with the outdoor heat exchanger being equipped with aluminum heat transfer tubes connected to the refrigerant piping, and multiple fins connected to the heat transfer tubes, and the thermal capacity of the multiple fins being no greater than 50% of the total thermal capacity of the heat transfer tubes and the multiples fins. This refrigeration cycle device is equipped at least with a combined defrosting mode, wherein a hot gas defrosting operation is executed by supplying hot gas to the outdoor heat exchanger, said hot gas being discharged from the compressor without passing through the indoor heat exchanger, after which a reverse defrosting operation is performed to supply refrigerant that has passed through the indoor heat exchanger from the compressor to the outdoor heat exchanger.

Inventors:
TASHIRO YUSUKE (JP)
NAKAMURA SHIN (JP)
Application Number:
PCT/JP2014/074509
Publication Date:
March 24, 2016
Filing Date:
September 17, 2014
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B47/02; F24F11/02
Foreign References:
JP2010139097A2010-06-24
JPH11257718A1999-09-24
JP2000035265A2000-02-02
JP2002089988A2002-03-27
JP2002107014A2002-04-10
JP2011085320A2011-04-28
JP2014098166A2014-05-29
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
Patent business corporation きさ patent trademark office (JP)
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