Capacitive discharge ignition system with extended duration spark
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United States of America Patent
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Mar 9, 2004
Grant Date -
Nov 21, 2002
app pub date -
Apr 22, 2002
filing date -
May 17, 2001
priority date (Note) -
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Abstract
A capacitive discharge ignition system for an internal combustion engine comprises a converter transformer, an ignition transformer, a first triggerable switch S1, the primary winding of the ignition transformer and the storage capacitor being connected in series through the triggerable switch, a spark plug connected in series with the secondary winding of the ignition transformer, a source of direct current and a second triggerable switch S2 connected in series the primary of the converter transformer, and a circuit to control the first and second triggerable switches in synchronism with the engine.
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