Grease composition
US9719045B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2013 |
| Grant date | Aug 1, 2017 |
| Priority date | — |
| Expiry date | Oct 25, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C33/6633
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention provides a grease composition for rolling bearings of automotive electrical equipment or automotive auxiliaries, containing a base oil that includes as an essential component an alkyldiphenyl ether oil; a diurea thickener represented by formula (1); an anti-flaking additive including an organic sulfonate rust inhibitor and a load carrying additive; and an antioxidant. In the formula (1), R2 is a bivalent aromatic hydrocarbon group having 6 to 15 carbon atoms; and one of R1 or R3 represents cyclohexyl group and the other represents cyclohexyl group, an alkyl group having 8 to 22 carbon atoms or an aromatic hydrocarbon group having 6 to 12 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.