Composite piston for an internal combustion engine
US7584694B2 · kind B2 · utility
6Cited by
2References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 20, 2005 |
| Grant date | Sep 8, 2009 |
| Priority date | — |
| Expiry date | Mar 27, 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 an assembled piston (1) for an internal combustion engine, said piston consisting of an upper part (4) provided with a combustion cavity (8), and a lower part (5) that is screwed to the upper part (4) by means of a screw (6) which is arranged coaxially to the piston axis (31). Said screw (6) is embodied as a set screw comprising a hexagon socket (6′) on the inner side of the piston and a head (6″) on the bottom side of the piston, the head (6″) forming part of the bottom of the combustion cavity (8) and being flush therewith (8) in the screwed state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.