Refrigerating machine oil, and working fluid composition for refrigerating machine which is produced using same

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United States of America Patent

PATENT NO 9546334
APP PUB NO 20160168500A1
SERIAL NO

14896949

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Abstract

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Provided is a refrigerating machine oil which comprises an ester between a polyol consisting of at least one of pentaerythritol and dipentaerythritol represented by formula (I) and 2-propylheptanoic acid, and is characterized in that the refrigerating machine oil can be used in combination with a refrigerant consisting of 1,3,3,3-tetrafluoropropene (HFO-1234ze). When the refrigerating machine oil is used in combination with a refrigerant consisting of HFO-1234ze, excellent miscibility with the refrigerant, lubricity, thermal and chemical stability and the like can be achieved.

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Patent Owner(s)

Patent OwnerAddress
KH NEOCHEM CO LTD2-3-1 NIHONBASHI-MUROMACHI CHUO-KU TOKYO 1030022

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Inayama, Toshihiro Yokkaichi, JP 14 57
Iwasa, Tomohiro Yokkaichi, JP 3 4
Kishi, Junya Yokkaichi, JP 9 27
Nakai, Yuichiro Ichihara, JP 5 50

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