Ignition device of spark-ignition internal combustion engine
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United States of America Patent
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Jul 18, 2017
Grant Date -
Apr 14, 2016
app pub date -
May 30, 2014
filing date -
Jun 4, 2013
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Abstract
In an ignition device of a spark-ignition internal combustion engine that performs ignition with high energy efficiency while reducing power to be input to a spark plug, after a DC-voltage-pulse generation circuit that generates a DC voltage pulse between electrodes of a spark plug is operated by a control circuit, an AC-pulse generation circuit that generates an AC pulse between the electrodes of the spark plug is operated. Furthermore, the control circuit controls the AC-pulse generation circuit with a plurality of group pulses and quiescent periods between the group pulses are provided.
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