Sliding mating part in lubricated regime, coated by a thin film
US8722197B2 · kind B2 · utility
2Cited by
3References
10Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 16, 2007 |
| Grant date | May 13, 2014 |
| Priority date | — |
| Expiry date | Oct 23, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/30
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A thin layer is deposited on a surface having a roughness profile whereof the parameters and mean period are determined for improving the tribological performance, so that the ratio A between the square of the mean period of the profile (PSM) in μm and the roughness profile (Pa) in μm, as defined by French standard ISO 4288, is equal to or greater than 5×105 μm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.