Importance

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Abstract

A hydroelectric turbine designed to operate in a bi-directional reversing water flow caused by ocean waves, comprising an annular stator with two axially spaced sets of a plurality of guide vanes placed along its circumference that are inclined in the axial direction, an annular rotor with a plurality of concavo-convex blades placed along its circumference with an electric generator attached to it. The rotor is placed to rotate about its axis between the two sets of the stator guide vanes. Wherein, the stator and rotor are placed within the cylindrical part of an hourglass-shaped double funnel so when the ocean wave moves in one direction, the water flow enters the turbine through one end of the double funnel (inlet) and passes through the channels formed by one of the stator guide vane sets towards the rotor blades. The channels formed by the stator guide vanes are inclined at an angle to the rotor rotation plane, so that the water flows in the direction of the rotor rotation. After passing through the channels formed by the rotor blades and the channels formed by the other set of the stator guide vanes the water flows out of the turbine through the opposite end of the double funnel (outlet). When the wave moves in the opposite direction and the water flow direction reverses accordingly, the outlet becomes the inlet and the inlet becomes the outlet. The turbine keeps rotating in the same direction, transmitting the rotation to the electric generator and providing continuous high efficiency energy conversion.

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First Claim