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:
Feb. 16, 2021
Filed:
May. 29, 2019
National Formosa University, Huwei Township, Yunlin County, TW;
Jeng-Haur Horng, Huwei Township, Yunlin County, TW;
Chin-Chung Wei, Huwei Township, Yunlin County, TW;
Shin-Yuh Chern, Huwei Township, Yunlin County, TW;
Kuang-Hsuan Peng, Huwei Township, Yunlin County, TW;
Yang-Yuan Chen, Huwei Township, Yunlin County, TW;
Chia-Chun Yu, Huwei Township, Yunlin County, TW;
NATIONAL FORMOSA UNIVERSITY, Huwei Township, Yunlin County, TW;
Abstract
A coffee lubricant having nanoparticles is provided. It consists of 36 to 40 wt % of glycerin, 1 to 7 wt % of gum arabic, 0.3 to 1.3 wt % of nanoparticles, and remaining part of coffee biofuel. In which, the nanoparticles are CuO. The coffee biofuel is extracted from coffee dregs and has a viscosity of 60 to 70 cSt at a temperature of 40 degrees Celsius. It can reduce the friction coefficient and operating temperature. In addition, it can replace the mineral oil.