Piston for an internal combustion engine
US7377206B2 · kind B2 · utility
4Cited by
4References
10Claims
0Family size
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Inventor
Key dates
| Filing date | Dec 28, 2005 |
| Grant date | May 27, 2008 |
| Priority date | — |
| Expiry date | Jul 26, 2026 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J1/02
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A piston for an internal combustion engine, which performs a sliding reciprocating motion in a cylinder, and a method for producing the piston. The piston has a piston head and a piston skirt having at least one bearing surface. The at least one bearing surface is provided at least in part with a first overlay, and a second overlay is applied at least to parts of the first overlay. The first overlay exhibits greater wear resistance than the second overlay.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.