Patent · US Active

Method for operating an internal combustion engine

US7814888B2 · kind B2 · utility

7Cited by

4References

24Claims

0Family size

Assignee

Andreas Stihl AG & Co. KG · DE

Inventors

Heiko Roβkamp · Adelberg, DE
Georg Maier · Weisendorf, DE
Tim Gegg · Waiblingen, DE
Wolfgang Layher · Besigheim, DE
Arno Kinnen · Fellbach, DE
Christine Halle · Ebersbach an der Fils, DE

Key dates

Filing date	Apr 28, 2008
Grant date	Oct 19, 2010
Priority date	—
Expiry date	Apr 28, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/40
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A method for operating an internal combustion engine having a fuel system which feeds fuel at a given pressure to a metering valve provides that a controller defines the opening time and the closing time of the metering valve and correspondingly actuates the metering valve so that the metering valve opens and closes at the defined times. In order to permit precise metering of fuel even in high-speed internal combustion engines there is provision for the controller to define at least one of the times for the opening or closing of the metering valve while taking into account the counterpressure actually prevailing at the outlet opening of the metering valve.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.