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US 2018/0023025 A1Published application
Refrigerator oil and working fluid composition for refrigerators
AssigneeJxtg Nippon Oil & Energy Corporation
InventorsHitoshi Takahashi, Takeshi Okido, Souichirou Konno
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Abstract
The present invention provides a refrigerating machine oil comprising: a base oil containing an ester of dipentaerythritol with 2-methylbutanoic acid and n-pentanoic acid; and at least one epoxy compound selected from the group consisting of a glycidyl ester compound and a glycidyl ether compound, the refrigerating machine oil being used with a difluoromethane refrigerant.
Claims6
A refrigerating machine oil comprising:
- a base oil comprising an ester of dipentaerythritol with 2-methylbutanoic acid and n-pentanoic acid;
- and
- at least one epoxy compound selected from the group consisting of a glycidyl ester compound and a glycidyl ether compound.
A working fluid composition for a refrigerating machine, comprising:
- a refrigerating machine oil comprising:
- a base oil comprising an ester of dipentaerythritol with 2-methylbutanoic acid and n-pentanoic acid;
- and
- at least one epoxy compound selected from the group consisting of a glycidyl ester compound and a glycidyl ether compound;
- and
- a refrigerant comprising a difluoromethane refrigerant.
3 more elements
Dependencies are inferred from the claim text.