WORKING FLUID COMPOSITION FOR REFRIGERATOR

The working fluid composition for a refrigerating machine of the present invention comprises a mixed refrigerant comprising a hydrofluoroethane represented by the following formula (A), difluoromethane and tetrafluoropropene, and a refrigerating machine oil comprising at least one selected from a po...

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Bibliographische Detailangaben
Hauptverfasser: SHIMPO, Hiroko, SAWADA, Ken, ADEGAWA, Kuniko, SAITO, Masanori
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:The working fluid composition for a refrigerating machine of the present invention comprises a mixed refrigerant comprising a hydrofluoroethane represented by the following formula (A), difluoromethane and tetrafluoropropene, and a refrigerating machine oil comprising at least one selected from a polyol ester, a polyvinyl ether and a polyalkylene glycol compound as a base oil, wherein a carbon/oxygen molar ratio of the base oil is 2.5 or more and 5.8 or less. €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ C 2 H n F 6-n €ƒ€ƒ€ƒ€ƒ€ƒ(A)