Title:
REFRIGERANT-CONTAINING COMPOSITION, AND REFRIGERATING METHOD, REFRIGERATING DEVICE OPERATING METHOD, AND REFRIGERATING DEVICE USING SAID COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2020/162415
Kind Code:
A1
Abstract:
The present invention provides a composition containing a refrigerant that has the characteristics of having a sufficiently small GWP and having a refrigeration capacity and a coefficient of performance (COP) equivalent to or better than those of R134a. Specifically, the present invention provides a composition containing a refrigerant that contains cis-1,2-difluoroethylene (HFO-1132(Z)) and 2,3,3,3-tetrafluoropropene (HFO-1234yf), wherein the contained proportions of HFO-1132(Z) and HFO-1234yf are respectively 53.0-59.5 mass% and 47.0-40.5 mass% with respect to the total mass of HFO-1132(Z) and HFO-1234yf.
Inventors:
OHKUBO SHUN (JP)
YOTSUMOTO YUUKI (JP)
ITANO MITSUSHI (JP)
YOTSUMOTO YUUKI (JP)
ITANO MITSUSHI (JP)
Application Number:
PCT/JP2020/003990
Publication Date:
August 13, 2020
Filing Date:
February 03, 2020
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F25B1/00; C09K5/04
Domestic Patent References:
| WO2015186671A1 | 2015-12-10 | |||
| WO2015086670A2 | 2015-06-18 | |||
| WO2015186557A1 | 2015-12-10 | |||
| WO2020017520A1 | 2020-01-23 |
Foreign References:
| JP2016011423A | 2016-01-21 |
Other References:
See also references of EP 3922923A4
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (JP)
Download PDF: