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Title:
REFRIGERATION CYCLE
Document Type and Number:
WIPO Patent Application WO/2019/124146
Kind Code:
A1
Abstract:
This refrigeration cycle uses a flammable mixed refrigerant including at least 1,2-difluoroethylene (HFO-1132(E)), and is provided with a compressor (1), a heat source-side heat exchanger (3), an expanding mechanism (4), a utilization-side heat exchanger (2), and a pressure reduction mechanism (7). The pressure reduction mechanism (7) reduces the pressure of the mixed refrigerant flowing through the heat source-side heat exchanger (3), which functions as an evaporator, between an inlet and an outlet of the heat source-side heat exchanger (3).

Inventors:
KUMAKURA, Eiji
YAMADA, Takuro
YOSHIMI, Atsushi
IWATA, Ikuhiro
ITANO, Mitsushi
KARUBE, Daisuke
YOTSUMOTO, Yuuki
TAKAHASHI, Kazuhiro
TAKAKUWA, Tatsuya
KOMATSU, Yuzo
OHKUBO, Shun
Application Number:
JP2018/045336
Publication Date:
June 27, 2019
Filing Date:
December 10, 2018
Export Citation:
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Assignee:
DAIKIN INDUSTRIES, LTD. (Umeda Center Building, 4-12 Nakazaki-Nishi 2-Chome, Kita-ku, Osaka-sh, Osaka 23, 〒5308323, JP)
International Classes:
C09K5/04; F24F1/0063; F24F1/0067; F24F13/30; F25B1/00; F25B5/04
Domestic Patent References:
WO2015141678A12015-09-24
WO2015186670A12015-12-10
WO2015186557A12015-12-10
WO2015115252A12015-08-06
WO2016017460A12016-02-04
Foreign References:
JPH07190571A1995-07-28
JPH0719627A1995-01-20
JP2010164222A2010-07-29
JP2011043304A2011-03-03
Attorney, Agent or Firm:
SHINJYU GLOBAL IP (South Forest Bldg, 1-4-19 Minamimori-machi, Kita-ku, Osaka-sh, Osaka 54, 〒5300054, JP)
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