Title:
WORKING FLUID COMPOSITION AND REFRIGERATOR
Document Type and Number:
WIPO Patent Application WO/2024/106516
Kind Code:
A1
Abstract:
A working fluid composition containing a refrigeration oil and a refrigerant that contains trans-1,2-difluoroethylene (HFO-1132(E)) and 2,3,3,3-tetrafluoropropene (HFO-1234yf), wherein the refrigerant fraction of the working fluid composition is 80 mass% or less at 80°C and 2.5 MPa, and the refrigeration oil contains: at least one base oil selected from the group consisting of polyol esters and polyvinyl ethers; a carbodiimide-based acid scavenger; and a phenolic oxidation inhibitor.
Inventors:
MIZUTANI YUYA (JP)
OKAZAKI MOTOYA (JP)
OGATA HIDETOSHI (JP)
KAWAGUCHI MASAKI (JP)
GOTO SATOSHI (JP)
OKAZAKI MOTOYA (JP)
OGATA HIDETOSHI (JP)
KAWAGUCHI MASAKI (JP)
GOTO SATOSHI (JP)
Application Number:
PCT/JP2023/041343
Publication Date:
May 23, 2024
Filing Date:
November 16, 2023
Export Citation:
Assignee:
ENEOS CORP (JP)
DAIKIN IND LTD (JP)
DAIKIN IND LTD (JP)
International Classes:
C10M105/38; C09K5/04; C10M107/24; C10N30/00; C10N40/30
Domestic Patent References:
| WO2015186670A1 | 2015-12-10 | |||
| WO2020050022A1 | 2020-03-12 | |||
| WO2015186671A1 | 2015-12-10 | |||
| WO2015137166A1 | 2015-09-17 |
Foreign References:
| JP2011052032A | 2011-03-17 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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