| 摘要 |
A compressor (12) used in a refrigerant circuit (11) having sealed therein a refrigerant mixture that contains refrigerator oil (60) to which phosphoric acid esters have not been added and 1,1,2-trifluoroethylene, wherein the compressor (12) has a rolling piston (32) and a vane (33) that comes into contact with and scrapes against the rolling piston (32), the rolling piston (32) and the vane (33) having steel as a parent material, and the parent material being exposed in the locations where the rolling piston (32) and the vane (33) come into contact with each other. |
