Control system for internal combustion engine
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United States of America Patent
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Jun 8, 2021
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N/A
app pub date -
Jun 4, 2019
filing date -
Jun 27, 2018
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Abstract
The center injection engine is an engine equipped with the direct injector and an ignition apparatus at center of a ceiling part of the combustion chamber. The positive tumble flow flows from the intake port side to the exhaust port side on the ceiling part side of the combustion chamber, and also flows from the exhaust port side to the intake port side on the piston top part side. The ECU calculates the injection timing of the direct injector based on the engine load. In the first injection control, the higher the engine load becomes, the more the end crank angle is retarded.
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