摘要 |
A low head water turbine comprising a runner and a plurality of blades similarly pivotably secured to the outer surface of the runner. The runner is eccentrically mounted to the end walls of a housing for rotation about a horizontal axis s o that the outer surface of the runner is closer to an upper portion of a housing side wall. A connector extending from a corresponding side of each of the blades is seate d in a curved endless groove in one of the end walls of the housing. During operation, the connectors travel in the groove and draw the blades to a closed position as the blades pass the upper portion of the housing side wall, and extend the blades to a open position as the blades move below the rotation axis of the runner, all the time the outer edges of the blades being adjacent the housing side wall.
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