| 摘要 |
An internal combustion engine having a combustion cylinder, a piston moving within the cylinder, an intake manifold through which air flows into the cylinder, a fuel control for controlling the flow of fuel into the cylinder, and an inlet valve arrangement for controlling the flow of air into the cylinder, and in which there is an improvement in the inlet valve arrangement which comprises an elongate thin wall right circular cylindrical valve member mounted for rotation within the intake manifold about the longitudinal axis of the valve member and having an inlet flow opening therethrough extending lengthwise of said member for a predetermined length and arcuately thereabout over an arc of at least about 100 degrees and an air flow guide stationarily mounted within the valve member for directing air flow into the cylinder and for establishing the cross sectional area of a flow passageway for such air flow.
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