Method and device for ascertaining valve timing for gas-exchange valves of an internal combustion engine
US7254476B2 · kind B2 · utility
2Cited by
2References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 5, 2005 |
| Grant date | Aug 7, 2007 |
| Priority date | — |
| Expiry date | Oct 5, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method for ascertaining valve timing for gas exchange valves of an internal combustion engine in which a combustion chamber pressure characteristic is determined, a state function being calculated from the combustion chamber pressure characteristic and a combustion chamber volume characteristic, and the timing of the gas exchange valves is determined by analyzing the state function.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.