Low current extended duration spark ignition system
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United States of America Patent
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Aug 30, 2005
Grant Date -
Jan 6, 2005
app pub date -
Jul 1, 2003
filing date -
Jul 1, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A system for firing a spark plug is disclosed. The system includes a timing controller configured to send a first timing signal and a second timing signal. The system also includes an ignition transformer having a primary winding and a secondary winding and a spark-plug that is operably associated with the secondary winding. A first switching element is disposed between the timing controller and the primary winding of the ignition transformer. The first switching element controls a supply of power to the primary winding based on the first timing signal. Also, a second switching element is disposed between the timing controller and the primary winding of the ignition transformer. The second switching element controls the supply of power to the primary winding based on the second timing signal. A method for firing a spark plug is also disclosed.
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