USE OF REFRIGERATING MACHINE OIL, AND WORKING FLUID COMPOSITION FOR REFRIGERATING MACHINES

The present invention provides a refrigerating machine oil comprising a base oil; a sulfide compound; and an orthophosphoric acid ester, wherein a content of the sulfide compound is 0.01 to 2.0% by mass and a content of the orthophosphoric acid ester is 0.1 to 5.0% by mass, based on a total amount o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ADEGAWA Kuniko, SHIMPO Hiroko, SAITO Masanori
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:The present invention provides a refrigerating machine oil comprising a base oil; a sulfide compound; and an orthophosphoric acid ester, wherein a content of the sulfide compound is 0.01 to 2.0% by mass and a content of the orthophosphoric acid ester is 0.1 to 5.0% by mass, based on a total amount of the refrigerating machine oil, and the refrigerating machine oil having a kinematic viscosity at 40°C of 3 to 500 mm 2 /s.