Grease composition for constant velocity joint
US5160645A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 18, 1992 |
| Grant date | Nov 3, 1992 |
| Priority date | — |
| Expiry date | Feb 18, 2012 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2300/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A grease composition for constant velocity joint, particularly Zeppa type joint comprises a base oil and contains (A) a particular diurea compound as a thickener, (B) molybdenum sulfide dialkyldithiocarbamate, (C) an extreme pressure additive of zinc dithiophosphate, (D) a sulfur-phosphorus series extreme pressure additive containing no metallic element and having a sulfur content of 10-30% by weight and a phosphorus content of 0.5-5% by weight, and (E) lead dialkyldithiocarbamate as an essential component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.