Tappet with ceramic camface
US4768476A · kind A · utility
19Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 20, 1981 |
| Grant date | Sep 6, 1988 |
| Priority date | — |
| Expiry date | Feb 20, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49945
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A tappet for an internal combustion engine includes a tappet body having a camface at one end thereof, which camface is positioned for contact with a rotating camshaft. The camface is formed essentially of zirconium oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.