Piston for an internal combustion engine
US7628134B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 4, 2004 |
| Grant date | Dec 8, 2009 |
| Priority date | — |
| Expiry date | Dec 8, 2026 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02F3/22
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a piston for an internal combustion engine comprising an annular cooling channel embodied in the edge area of the piston head and closed on a rod side with a cover consisting of two semicircular half-shells which are oriented with the internal sides thereof towards the piston and provided with a circular groove for arranging the half-shells on a projection embodied on the external side of the piston. The half-shells are provided on the abutting surfaces thereof with rest connections for easily connecting the half-shells to each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.