Lubricating oil composition for refrigerating machines

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United States of America Patent

PATENT NO 9719044
SERIAL NO

14388981

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Abstract

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A lubricating oil composition for refrigerating machines contains a base oil and an additive in a form of a hydrocarbon compound having a biphenyl structure or a stilbene structure. When the present lubricating oil composition for refrigerating machines is used in refrigerating equipment such as an open-type automobile air-conditioner, an electric automobile air-conditioner, a gas heat pump, other air-conditioning equipment, a refrigerating machine, a vending machine, a showcase, a water-heating system and a refrigerating/heating system, it is possible to detect the leakage of a refrigerant with a long-lasting stability. Therefore, when an unsaturated chlorofluorocarbon refrigerant with a poor stability is used in the above-listed equipment, the present lubricating oil composition for refrigerating machines is significantly advantageous.

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Patent Owner(s)

Patent OwnerAddress
IDEMITSU KOSAN CO LTDTOKYO 100-8321

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kisen, Tadashi Sodegaura, JP 14 51
Matsumoto, Tomoya Ichihara, JP 37 117

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