Control device for internal combustion engine
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United States of America Patent
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Feb 26, 2019
Grant Date -
Jan 11, 2018
app pub date -
Jun 28, 2017
filing date -
Jul 5, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
An intake stroke injection and a compression stroke injection are performed during catalyst warm-up control (upper section in FIG. 7). During the catalyst warm-up control, a discharge period at an electrode portion is set on a retard side of compression top dead center, and an expansion stroke injection is performed during the discharge period. However, when a distance between a spray contour surface and the electrode portion increases, an additional injection (first injection) is performed in advance of the expansion stroke injection (second injection) (lower section in FIG. 7). The additional injection is performed at a timing that is on the retard side of compression top dead center and is on an advance side relative to a start timing of the discharge at the electrode portion.
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