Ignition device of internal combustion engine
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United States of America Patent
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Jul 20, 2021
Grant Date -
Mar 18, 2021
app pub date -
Nov 24, 2020
filing date -
May 25, 2018
priority date (Note) -
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Abstract
An ignition control device is provided with an ignition coil including a primary coil and a secondary coil, a main ignition circuit performing a main ignition operation, an energy input circuit that performs an energy input operation for superposing a current having the same polarity to a secondary current, in which a signal generation circuit is provided to generate, based on a main ignition signal that controls the main ignition operation, at least one of an energy input signal controlling the energy input operation and a target secondary current command signal commanding a target secondary current value.
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