Control device for internal combustion engine
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United States of America Patent
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Sep 4, 2018
Grant Date -
Jan 11, 2018
app pub date -
May 26, 2017
filing date -
Jul 5, 2016
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Abstract
In a catalyst warming-up control, a first time injection is performed by an injector in an intake stroke. A second time injection is performed with an amount smaller than the first time injection in an expansion stroke after a compression top dead center. In the catalyst warming-up control, an interval from the start of the ignition period of an spark plug to the completion of the second time injection is controlled by the ECU so that the initial flame generated from an air-fuel mixture containing the fuel spray injected by the first time injection is brought into contact with the fuel spray injected by the second time injection.
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