Method of driving a capacitive actuator of a fuel injection valve of an internal combustion engine

US6491027B1 · kind B1 · utility

Assignee

• Siemens Aktiengesellschaft · DE

Inventors

• Hellmut Freudenberg · Bad Abbach, DE
• Hartmut Gerken · Nittendorf, DE
• Martin Hecker · Laimerstadt, DE
• Christian Hoffmann · Leonberg, DE
• Richard Pirkl · Regensburg, DE

Key dates

• Filing date: Sep 25, 2000
• Grant date: Dec 10, 2002
• Expiry date: Sep 25, 2020

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F02D2200/063
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

Method of driving a capacitive actuator of a fuel injection valve of an internal combustion engine for achieving a constant stroke of the actuator, in which the amounts of energy that are supplied to the actuator are determined in dependence on the fuel pressure acting on the actuator.