Piston for internal combustion engine
US7287459B2 · kind B2 · utility
9Cited by
7References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 28, 2005 |
| Grant date | Oct 30, 2007 |
| Priority date | — |
| Expiry date | Nov 28, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05C2253/20
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A piston for an internal combustion engine, the piston having a skirt part, comprises: a resinous coating layer formed on a surface of the skirt part; and a plurality of concaves regularly arranged in the resinous coating layer. The concaves are non-coated regions in which said resinous coating layer is not formed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.