The working fluid composition for a refrigerating machine of this invention comprises a base oil containing an ether-based compound, an amine salt of an acidic phosphoric acid ester, at least one compound selected from the group consisting of amine-based antioxidants, metal inactivating agents and alicyclic epoxy compounds, and an unsaturated fluorinated hydrocarbon refrigerant. The refrigerating machine oil of the invention comprises a base oil containing an ether-based compound, an amine salt of an acidic phosphoric acid ester, and at least one compound selected from the group consisting of amine-based antioxidants, metal inactivating agents and alicyclic epoxy compounds, and it is to be used together with an unsaturated fluorinated hydrocarbon refrigerant.
本发明的制冷机工作液组合物包括一种基础油,其中含有一种醚基化合物、一种酸性
磷酸酯的胺盐、至少一种选自由
胺类抗氧化剂、
金属失活剂和脂环族环氧化合物组成的组中的化合物,以及一种不饱和含
氟碳氢化合物制冷剂。本发明的冷冻机油包括一种基础油,其中含有一种醚基化合物、一种酸性
磷酸酯的胺盐和至少一种从胺基
抗氧化剂、
金属失活剂和脂环族环氧化合物组成的组中选出的化合物,它将与一种不饱和含
氟烃类制冷剂一起使用。