Title:
REFRIGERATION CYCLE DEVICE AND HEAT SOURCE UNIT
Document Type and Number:
WIPO Patent Application WO/2019/026270
Kind Code:
A1
Abstract:
A refrigeration cycle device (2) is provided with: a refrigerant circulation circuit (20) to which a compressor (10), an oil separator (12), a condenser (14), an expansion valve (16), and an evaporator (18) are sequentially connected and through which a refrigerant circulates; an injection flow path (50) to which an opening/closing valve (54) is provided and through which the refrigerant condensed by the condenser (14) is returned to the compressor (10); and an oil return flow path (60) through which refrigerator oil separated by the oil separator (12) is joined to the upstream of the opening/closing valve (54) of the injection flow path (50).
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Inventors:
ISHIKAWA TOMOTAKA (JP)
NAKAGAWA MASAHIKO (JP)
SATA HIROSHI (JP)
IKEDA TAKASHI (JP)
NISHIDA KENSUKE (JP)
FUKUHARA KEIZO (JP)
NAKAGAWA MASAHIKO (JP)
SATA HIROSHI (JP)
IKEDA TAKASHI (JP)
NISHIDA KENSUKE (JP)
FUKUHARA KEIZO (JP)
Application Number:
PCT/JP2017/028351
Publication Date:
February 07, 2019
Filing Date:
August 04, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B39/04; F25B1/00; F25B43/02
Domestic Patent References:
| WO2016084175A1 | 2016-06-02 | |||
| WO2016170680A1 | 2016-10-27 |
Foreign References:
| JP2013002678A | 2013-01-07 | |||
| JPH06229634A | 1994-08-19 | |||
| JP2016161138A | 2016-09-05 | |||
| JP2004243935A | 2004-09-02 | |||
| JP2004077114A | 2004-03-11 | |||
| JP2013155970A | 2013-08-15 |
Attorney, Agent or Firm:
MURAKAMI, Kanako et al. (JP)
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