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Title:
COMPOSITION CONTAINING COOLANT, HEAT TRANSFER MEDIUM AND HEAT CYCLE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/208382
Kind Code:
A1
Abstract:
The present disclosure provides a composition which contains a coolant having characteristics such as a GWP that is lower than the GWP of R410A and a COP that is equivalent to the COP of R410A. The present disclosure specifically provides a composition which contains a coolant that contains CO2 (R744) and at least one compound A that is selected from the group consisting of trans-1, 2-difluoroethylene ((E)-HFO-1132), cis-1, 2-difluoroethylene ((Z)-HFO-1132), fluoroethylene (HFO-1141) and 3, 3, 3-trifluoropropyne (TFP).

Inventors:
TAKAHASHI, Kazuhiro (Umeda Center Building, 4-12, Nakazaki-Nishi 2-Chome, Kita-ku, Osaka-sh, Osaka 23, 〒5308323, JP)
OHKUBO, Shun (Umeda Center Building, 4-12, Nakazaki-Nishi 2-Chome, Kita-ku, Osaka-sh, Osaka 23, 〒5308323, JP)
ITANO, Mitsushi (Umeda Center Building, 4-12, Nakazaki-Nishi 2-Chome, Kita-ku, Osaka-sh, Osaka 23, 〒5308323, JP)
TAKAKUWA, Tatsuya (Umeda Center Building, 4-12, Nakazaki-Nishi 2-Chome, Kita-ku, Osaka-sh, Osaka 23, 〒5308323, JP)
KURAMOTO, Kei (Umeda Center Building, 4-12, Nakazaki-Nishi 2-Chome, Kita-ku, Osaka-sh, Osaka 23, 〒5308323, JP)
Application Number:
JP2019/016616
Publication Date:
October 31, 2019
Filing Date:
April 18, 2019
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; F25B1/00
Foreign References:
JP2015214632A2015-12-03
JP2018039986A2018-03-15
JP2018508597A2018-03-29
JP2014525975A2014-10-02
JP2007536390A2007-12-13
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (Kitahama TNK Building, 1-7-1 Doshomachi, Chuo-ku, Osaka-sh, Osaka 45, 〒5410045, JP)
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