Internal combustion engine ignition apparatus
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United States of America Patent
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Oct 4, 2016
Grant Date -
Apr 3, 2014
app pub date -
Feb 15, 2013
filing date -
Oct 2, 2012
priority date (Note) -
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Abstract
A resonance inductor is connected with a charging path through which an ignition condenser is charged; a first switching device controls charging of the ignition condenser; discharging of the ignition condenser is controlled by a second switching device whose collector terminal is connected with the other end of the primary coil of an ignition coil unit and whose emitter terminal is connected with the negative-polarity terminal of the ignition condenser; a clamp diode is connected between the one end of the primary coil and the collector terminal of the second switching device.
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