Lubricant composition and lubricating system

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United States of America Patent

PATENT NO 11124731
SERIAL NO

16494584

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Abstract

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The present invention provides a lubricant composition suitable for reducing friction between sliding members such as those within a pump for circulating a heat medium of a heat pump device, and a lubricating system using the composition as a heat medium. A lubricant composition 10 of the present invention comprises: an antifreeze liquid 11 containing ethylene glycol; and 0.01 mass % or less of nanodiamond particles 12. The nanodiamond particles 12 are preferably detonation nanodiamond particles. The lubricant composition 10 is preferably a liquid composition for a heat pump. In addition, the lubricating system of the present invention uses the lubricant composition 10 as a heat medium.

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Patent Owner(s)

Patent OwnerAddress
DAICEL CORPORATION3-1 OFUKA-CHO KITA-KU OSAKA-SHI OSAKA 5300011 ?5300011

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Goto, Tomohiro Tokyo, JP 33 152
Kimoto, Norihiro Himeji, JP 26 177

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