Working fluid composition and refrigerator
AssigneesEneos Corporation, Daikin Industries, Ltd.
InventorsYuya MIZUTANI, Motoya OKAZAKI, Hidetoshi OGATA, Masaki KAWAGUCHI, Satoshi GOTO
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Abstract
A working fluid composition containing a refrigerating machine oil; and a refrigerant containing trans-1,2-difluoroethylene (HFO-1132 (E)) and 2,3,3,3-tetrafluoropropene (HFO-1234yf), wherein the working fluid composition has a refrigerant fraction at 80° C. and 2.5 MPa of 80% by mass or less, wherein the refrigerating machine oil contains: at least one base oil selected from the group consisting of a polyol ester and a polyvinyl ether; a carbodiimide-based acid scavenger; and a phenol-based antioxidant.
Claims6
A working fluid composition comprising:
- a refrigerating machine oil;
- and
- a refrigerant comprising trans-1,2-difluoroethylene (HFO-1132 (E)) and 2,3,3,3-tetrafluoropropene (HFO-1234yf),
- wherein the working fluid composition has a refrigerant fraction at 80° C. and 2.5 MPa of 80% by mass or less,
- wherein the refrigerating machine oil comprises:
- at least one base oil selected from the group consisting of a polyol ester and a polyvinyl ether;
- a carbodiimide-based acid scavenger;
- and
- a phenol-based antioxidant.
Dependencies are inferred from the claim text.