Greenblum & Bernstein, P.L.C.
Refrigerating machine working fluid composition and refrigerant oil
A working fluid composition for a refrigerating machine of the invention comprises a refrigerant comprising difluoromethane and an unsaturated fluorinated hydrocarbon wherein a mass of the difluoromethane/the unsaturated fluorinated hydrocarbon is 95/5 to 10/90, and a refrigerating machine oil comprising at least one base oil selected from among polyol esters with a carbon/oxygen molar ratio of 3.2 to 5.8 and polyvinyl ethers with a carbon/oxygen molar ratio of 3.2 to 5.8.
JX NIPPON OIL & ENERGY CORPORATION
C C F C C C C C C C C C C
C10N C10M F25B C09K C09K C10M C10M C09K C10N C10N C10N C09K C10N
additional additional inventional additional additional additional inventional inventional additional additional additional additional additional
Takeshi Masanori Kuniko
Okido Saito Adegawa