Patent ID: 9169839
Filing Date: 2015-10-27
Classification: C09K,F04C,F05C

Abstract:
1. A scroll compressor, in which there are provided an electric motor portion, a compression mechanism portion connected to the electric motor portion, and an oil sump for lubricating oil in a sealed container, and in which the compression mechanism portion compresses a refrigerant, wherein the refrigerant includes one of: a mixture containing halogenated hydrocarbon having a carbon double bond and R32, and a mixture containing halogenated hydrocarbon having a carbon double bond and R41, and a sliding surface of at least one of two components constituting a sliding portion having a relation of sliding to each other in the sealed container is structured in such a way as to be subjected to coating treatment or coating film formation treatment with material that does not include iron and aluminum, and that suppress decomposition or polymerization of the refrigerant, so that an iron metal or an aluminum metal is not directly exposed to the refrigerant.