Title:
COMPOSITION CONTAINING REFRIGERANT, AND REFRIGERATION METHOD USING SAID COMPOSITION, OPERATING METHOD FOR REFRIGERATION DEVICE, AND REFRIGERATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/158257
Kind Code:
A1
Abstract:
The present disclosure provides a composition containing a refrigerant, the composition having the characteristics of having a refrigeration capacity and a coefficient of performance (COP) equal to or greater than R404A, and of having an adequately small GWP. The present disclosure specifically provides a composition containing a refrigerant, wherein the refrigerant contains trans-1,2-difluoroethylene (HFO-1132(E)) and 2,3,3,3-tetrafluoropropene (HFO-1234yf), the content ratio of HFO-1132(E) being 35.0-65.0 mass% and the content of HFO-1234yf being 65.0-35.0 mass% with respect to the total mass of HFO-1132(E) and HFO-1234yf, and the refrigerant is used for operation of a refrigeration cycle in which the evaporation temperature is -75°C to -5°C.
Inventors:
OHKUBO SHUN (JP)
ITANO MITSUSHI (JP)
YOTSUMOTO YUUKI (JP)
MIZUNO AKIHITO (JP)
GOTOU TOMOYUKI (JP)
YAMADA YASUFU (JP)
ITANO MITSUSHI (JP)
YOTSUMOTO YUUKI (JP)
MIZUNO AKIHITO (JP)
GOTOU TOMOYUKI (JP)
YAMADA YASUFU (JP)
Application Number:
PCT/JP2019/050501
Publication Date:
August 06, 2020
Filing Date:
December 24, 2019
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
C09K5/04
Domestic Patent References:
WO2015186557A1 | 2015-12-10 | |||
WO2010059677A2 | 2010-05-27 | |||
WO2011163117A1 | 2011-12-29 | |||
WO2005105947A2 | 2005-11-10 |
Foreign References:
JP2015229767A | 2015-12-21 | |||
JP2016501978A | 2016-01-21 |
Other References:
See also references of EP 3739018A4
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (JP)
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