| 摘要 |
A turbine with a water-driven motive element adapted for being immersed in a body of water and comprising a disc having a density close to that of the water in which it is immersed. The disc is horizontally disposed and has a plurality of cells containing a mixture of liquid and gas and the disc carries on the upper and lower surfaces thereof a plurality of blades which are pivotably movable about a horizontal axis. The blades each have at least one pocket containing a mixture of gas and a liquid such that the density of the blades connected to the upper surface of the disc is less than that of water and the density of the blades connected to the lower surface of the disc is greater than that of water. The disc carries a structure which holds the blades in one direction of pivotal movement when the blades reach a vertical position. As a consequence, under the action of water current, the blades are driven to their vertical position and they then effect rotation of the disc. The rotation of the disc serves to drive an electrical generator system.
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