Bearing grease
US9062270B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Dec 27, 2011 |
| Grant date | Jun 23, 2015 |
| Priority date | — |
| Expiry date | Dec 27, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2050/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Bearing grease includes an ether base oil and a urea thickener, and is used in an atmosphere of a fluorine compound-based refrigerant. No grease is eluted for a long period in a bearing with use of the bearing grease. Moreover, since a collection system is unnecessary unlike a lubricating oil, the surroundings of the bearing can be made compact. Accordingly, the bearing with use of the bearing grease is easily applicable to automobiles and a variety of industrial machinery as an energy collection apparatus using the Rankine cycle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.