| 摘要 |
A water wheel with extended vanes is disclosed. The water wheel characterized in that the rotating shaft of the water wheel is supported by bearing and a hub is mounted to the rotating shaft, a plurality of vanes are provided on the rotating shaft, and one end of each vane is connected to a connection shaft, where the other end of the connection shaft is connected to A blade, the side of the tail section of the blade is provided with a pulley which contacts with a cam when the vanes are lifted up, the cam includes a section of sliding face to drive the pulley so that the vanes and blades are in a straight line, and the bottom of the cam has a linking shaft to support and secure at the body of the water wheel. The increased arm of the vanes will effectively increase the driving force of the water wheel.
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