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US 12,344,811 B2Granted
Refrigerator oil and working fluid composition for refrigerator
AssigneeEneos Corporation
InventorsFumiyuki Nara, Yohei Shono, Hidetoshi Ogata
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Abstract
A refrigerating machine oil containing a hydrocarbon base oil having a 90% distillation temperature of 270° C. or lower.
Claims11
A working fluid composition for a refrigerating machine, comprising:
- a refrigerating machine oil comprising a hydrocarbon base oil having a 90% distillation temperature of 270° C. or lower and a distillation end point of 295° C. or lower;
- and
- a refrigerant,
- wherein the refrigerating machine oil has a difference between a 90% distillation temperature and a 10% distillation temperature of 5° C. or higher and 20° C. or lower, and wherein the hydrocarbon base oil has a density at 15° C. of 0.81 g/cm3 or more.
1 more element
A working fluid composition, comprising:
- a refrigerating machine oil comprising a hydrocarbon base oil having a 90% distillation temperature of 270° C. or lower and a distillation end point of 295° C. or lower;
- and
- a refrigerant,
- wherein the refrigerating machine oil has a difference between a 90% distillation temperature and a 10% distillation temperature of 5° C. or higher and 40° C. or lower, and
- wherein a content of a hydrocarbon having 12 to 16 carbon atoms in a hydrocarbon base oil contained in the refrigerating machine oil is 80% by mass or more, and wherein the hydrocarbon base oil has a density at 15° C. of 0.81 g/cm3 or more.
2 more elements
Dependencies are inferred from the claim text.