Valve component with multiple surface layers
US6904935B2 · kind B2 · utility
26Cited by
11References
37Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2002 |
| Grant date | Jun 14, 2005 |
| Priority date | — |
| Expiry date | Mar 30, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/30
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A sliding component, particularly a disk valve plate. The sliding component includes a multi-layer surface structure comprising a strengthening layer harder than the substrate material, and an amorphous diamond top layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.