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Patent Searching and Data


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).

Inventors:
ISHIKAWA, Tomotaka (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
NAKAGAWA, Masahiko (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
SATA, Hiroshi (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
IKEDA, Takashi (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
NISHIDA, Kensuke (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
FUKUHARA, Keizo (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2017/028351
Publication Date:
February 07, 2019
Filing Date:
August 04, 2017
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
F25B1/00; F25B39/04; F25B43/02
Attorney, Agent or Firm:
MURAKAMI, Kanako et al. (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
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