Aluminum alloy valve lifter with sprayed coating and method of producing same
US4909198A · kind A · utility
36Cited by
5References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 1989 |
| Grant date | Mar 20, 1990 |
| Priority date | — |
| Expiry date | Feb 28, 2009 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01L2301/00
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An aluminum alloy valve lifter comprises a valve lifter body made of Al-Si (5-20%) type alloy, having silicon average grain diameter of 2 to 40 micrometers, and consisting of a cylindrical portion and a disc portion; an Fe-C type sprayed coating formed on the peripheral surface of the cylindrical portion, containing 0.1% or more of carbon and having a hardness of 300 Hv or more; a wear-resistant chip fixed on the underside of the disc portion; and an adjusting shim set on the upper side of the disc portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.