Piston assembly for use in a free piston internal combustion engine
US6694930B2 · kind B2 · utility
1Cited by
7References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2001 |
| Grant date | Feb 24, 2004 |
| Priority date | — |
| Expiry date | Feb 3, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01P2003/006
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A piston assembly, particularly suitable for use in a free piston internal combustion engine, is provided with a piston including at least one oil coolant passage therein. The plunger shaft is substantially rigidly attached to the piston and axially extends from the piston. The plunger shaft includes at least one oil supply passage fluidly connected with at least one oil coolant passage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.