IGNITION SYSTEM AND METHOD
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United States of America Patent
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-
Dec 30, 2003
Grant Date -
Jan 1, 2004
app pub date -
Jun 28, 2002
filing date -
Jun 28, 2002
priority date (Note) -
Granted
status (Latency Note)
Importance
Abstract
An ignition system for an engine includes an exciter circuit for use with an igniter, the exciter circuit having a step-up transformer the utilizes a relatively low voltage in its primary to produce a high voltage pulse that is applied to the igniter to create ionization and breakdown. The system also utilizes a low voltage high energy circuit to provide high current energy to the igniter after initial breakdown and during the plasma arc phase. The high energy circuit is decoupled from the step-up transformer so that high current is conducted through a bypass diode rather than through the transformer.
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