Siemens Aktiengesellschaft

Kurt Kienbaum

Stefan Haimerl

Ralf F&ouml;rster

An ignition device ( ) for an internal combustion engine, a controller ( ) for said ignition device ( ) and an ignition unit comprising the ignition device ( ) and controller ( ) are disclosed, whereby the controller ( ) is linked to the ignition device ( ) by means of a bi-directional control line ( ).

Ignition device, controller and ignition unit for an internal combustion engine

An ignition system ( ) for an internal combustion engine is provided with an outlet for electric activation of an ignition element ( ) for a combustion element in an internal combustion engine, an energy accumulator ( ) for accumulating the electric energy, a control element ( ) which is connected to the energy accumulator ( ) and which is used to charge the energy accumulator ( ) during a predefined charging time, in addition to a measuring unit for detecting the charge state of the energy accumulator ( ). In order to set the charge time for the energy accumulator, a timer is provided, said timer being connected to the control element ( ) on the outlet side, and the measuring unit ( ) is connected to said timer in a feedback loop, whereby the timer adjusts the charge time according to the charge state of the measured charge state of the energy accumulator.

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Berg, Germany

Kurt Kienbaum