| abstract |
The electric compressor 3 of the present invention includes a compression mechanism unit 33 for compressing a refrigerant and an electric motor 24 for driving the compression mechanism unit 33 in a sealed container 25, wherein the refrigerant is hydrofluoro. Refrigerating machine oil containing 20% by mass or more of olefin and stored in the sealed container 25 is polyvinyl ether as a base oil, an alicyclic epoxy compound having 0.1% by mass or more and 2.0% by mass or less with respect to the base oil, and the base oil. It is characterized by containing 0.1 mass% or more and 2.0 mass% or less of aliphatic epoxy compounds and 0.1 mass% or more and 2.0 mass% or less of tertiary phosphate with respect to the said base oil. |