Contactless ignition system for internal combustion engine
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United States of America Patent
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Nov 9, 2004
Grant Date -
Feb 5, 2004
app pub date -
Jul 9, 2003
filing date -
Jul 11, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A contactless ignition system is provided with an ignition charge discharge condenser for charging an induced voltage of a generating coil, a first switching element, triggered to conduct when an induced voltage of a generating coil reaches a predetermined level, for supplying a charged voltage into an ignition coil, and a trigger control condenser for charging induced voltages of the generating coil and the trigger coil, and triggering of the first switching element caused by an induced voltage of the generating coil is inhibited by a second switching element during a specified discharge time following charging of the trigger control condenser.
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