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1. (WO2001004480) METHOD FOR CONTROLLING A CAPACITIVE ACTUATOR OF A FUEL INJECTION VALVE OF AN INTERNAL COMBUSTION ENGINE

Pub. No.:    WO/2001/004480    International Application No.:    PCT/DE2000/002215
Publication Date: Fri Jan 19 00:59:59 CET 2001 International Filing Date: Fri Jul 07 01:59:59 CEST 2000
IPC: F02D 41/20
F02D 41/40
F02M 45/08
F02M 51/06
Applicants: SIEMENS AKTIENGESELLSCHAFT
KLÜGL, Wendelin
HOFFMANN, Christian
LIXL, Heinz
BARANOWSKI, Dirk
Inventors: KLÜGL, Wendelin
HOFFMANN, Christian
LIXL, Heinz
BARANOWSKI, Dirk
Title: METHOD FOR CONTROLLING A CAPACITIVE ACTUATOR OF A FUEL INJECTION VALVE OF AN INTERNAL COMBUSTION ENGINE
Abstract:
The invention relates to a method for controlling a capacitive actuator of a fuel injection valve of an internal combustion engine. A capacitive actuator of a fuel injection valve of an internal combustion engine is charged with different charging times or charging quantities for the pre-injection and the main injection. Either the charging times are constant throughout the load or speed range of the internal combustion engine or the charging times or charging quantities are dependent on the load or speed of said internal combustion engine.