Internal combustion engine control system
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United States of America Patent
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Aug 26, 2014
Grant Date -
Jan 26, 2012
app pub date -
May 31, 2011
filing date -
Jul 22, 2010
priority date (Note) -
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Abstract
According to one embodiment, an internal combustion engine ignition system, including: a plurality of spark coils each having a primary coil and a secondary coil, each secondary coil being coupled to a common spark plug to apply a high voltage thereto; a plurality of primary current generation module provided correspondingly with the spark coils and configured to asynchronously generate primary currents respectively flowing through the primary coils; one or a plurality of primary current detection module configured to detect each of the primary currents; and a primary current control module configured to adjust an output power supplied to each primary coil in accordance with a change in the primary current to thereby control an increase rate of the primary current.
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