Method and apparatus for raising the spark energy in capacitive ignition systems
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United States of America Patent
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May 11, 2010
Grant Date -
Mar 5, 2009
app pub date -
Apr 2, 2007
filing date -
Apr 3, 2006
priority date (Note) -
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Abstract
The present invention refers to an apparatus for raising the spark energy in capacitive ignition systems comprising at least one charge winding (L1) which via a first rectifier device (D1) charges a charge capacitor (C1) connected to the primary winding of an 5 ignition voltage transformer in order to provide said primary winding with energy for generation of a spark characterized in that additionally a second rectifier device (D2) and a switching device (Q2) are arranged in such a way that the switching device periodically can short circuit the charge winding and thereby increase the charge of the charge capacitor at low engine speeds.
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