Time- and event-controlled activation system for charging and discharging piezoelectric elements

The invention describes an apparatus and a method for charging or discharging a piezoelectric element of a system, e.g., for a fuel injection system. The method and apparatus are characterized in that the current of a system is regulated as a function of a time characteristic and an event characteri...

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Bibliographic Details
Main Authors Hock, Alexander, Rueger, Johannes-Jorg
Format Patent
LanguageEnglish
Published 01.11.2001
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Summary:The invention describes an apparatus and a method for charging or discharging a piezoelectric element of a system, e.g., for a fuel injection system. The method and apparatus are characterized in that the current of a system is regulated as a function of a time characteristic and an event characteristic to achieve an effective low absolute average current.