Control device for internal combustion engine
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United States of America Patent
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Apr 30, 2019
Grant Date -
Aug 2, 2018
app pub date -
Dec 11, 2017
filing date -
Jan 27, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A control device for an internal combustion engine is provided to control the internal combustion engine that includes a variable valve operating device that makes variable an opening period of an intake valve that opens and closes an intake port. The control device is configured, in an engine operating condition in which knocking is easy to occur, to increase an effective opening period of the intake valve when an intake gas temperature in the intake port is higher than a wall temperature of the intake port as compared to when the intake gas temperature is lower than the wall temperature.
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