Invention Application
- Patent Title: Method and apparatus for charging a piezoelectric element
- Patent Title (中): 用于对压电元件充电的方法和装置
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Application No.: US09824154Application Date: 2001-04-02
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Publication No.: US20010028204A1Publication Date: 2001-10-11
- Inventor: Johannes-Jorg Rueger , Patrick Mattes , Alexander Hock
- Priority: EP00106963.2 20000401
- Main IPC: H01L041/04
- IPC: H01L041/04
Abstract:
The invention describes a method and an apparatus for charging a piezoelectric element of a fuel injection system for, for example, an internal combustion engine. The apparatus is characterized in that the piezoelectric element is activated by an activation voltage having a value set as a function of measured fuel pressure in the fuel injection system.
Public/Granted literature
- US06509672B2 Method and apparatus for charging a piezoelectric element Public/Granted day:2003-01-21
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