| 摘要 |
PURPOSE:To realize good combustion in the inlet stroke and in the compression stroke by changing the ratio of the fuel supply quantity to the fuel injection quantity so that the torque variation is below a preset torque variation. CONSTITUTION:In the inlet stroke fuel is supplied to form a predicted mixture in the cylinder of an engine, and in the compression stroke fuel is injected into the cylinder of the engine to form an igniting mixture near a spark plug. Especially, a torque variation detecting means 200 for detecting the torque variation is provided. The ratio of the fuel supply quantity in the inlet stroke to the fuel injection quantity in the compression stroke is changed by a fuel quantity ratio changing means 202 so that the torque variation detected by the torque variation detecting means 200 is below a preset torque variation. Thus, good combustion with small torque variation can be constantly obtained in the operating range.
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