The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 21, 2021
Filed:
Apr. 03, 2018
Daicel Corporation, Osaka, JP;
Norihiro Kimoto, Himeji, JP;
Tomohiro Goto, Tokyo, JP;
DAICEL CORPORATION, Osaka, JP;
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 compositionof the present invention comprises: an antifreeze liquidcontaining ethylene glycol; and 0.01 mass % or less of nanodiamond particlesThe nanodiamond particlesare preferably detonation nanodiamond particles. The lubricant compositionis preferably a liquid composition for a heat pump. In addition, the lubricating system of the present invention uses the lubricant compositionas a heat medium.