Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tomohiro Goto0
Norihiro Kimoto0
Date of Patent
September 21, 2021
Patent Application Number
20180403
Date Filed
April 3, 2018
Patent abstract
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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