Port edge shape with continuous curvature for improved ring-port interaction and flow area
作者： Callahan Brian J
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摘要: A port opening edge shape for a in cylinder of an opposed-piston combustion engine is optimized flow area, as well minimization piston ring clipping. The includes top edge, bottom first and second side connecting the apex edge. has minimum radius curvature shape. spline that defines can be calculated based upon maximum height, full width, amount or degree skew, curvature. model measure values performance determine which yields desired performance.
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