Title:
REFRIGERANT-CONTAINING COMPOSITION, USE THEREOF, REFRIGERATING METHOD USING SAME, AND REFRIGERATOR COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2019/208722
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a refrigerant composition with a low GWP and the same refrigerating capacity as R404A, which is currently widely used. As a solution to said problem, the present invention provides a composition containing carbon dioxide and a mixture of fluorinated hydrocarbons, the mixture comprising, in specific concentrations, difluoromethane (R32), pentafluoroethane (R125), 2,3,3,3-tetrafluoropropene (R1234yf), 1,1,1,2-tetrafluoroethane (R134a), and carbon dioxide (CO2).
Inventors:
ITANO MITSUSHI (JP)
KUROKI HITOMI (JP)
OHKUBO SHUN (JP)
TSUCHIYA TATSUMI (JP)
GOBOU KENJI (JP)
KUROKI HITOMI (JP)
OHKUBO SHUN (JP)
TSUCHIYA TATSUMI (JP)
GOBOU KENJI (JP)
Application Number:
PCT/JP2019/017757
Publication Date:
October 31, 2019
Filing Date:
April 25, 2019
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
C09K5/04
Domestic Patent References:
| WO2017086328A1 | 2017-05-26 | |||
| WO2016114217A1 | 2016-07-21 | |||
| WO2017151488A1 | 2017-09-08 |
Foreign References:
| JP2016028119A | 2016-02-25 | |||
| JP2016505662A | 2016-02-25 |
Other References:
See also references of EP 3786253A4
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (JP)
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