Looks like 2 cups made from metal. Place the circular mounting firmly to produce mechanical power from the wheel axle and the movement of the rotating turbine shaft shall be delivered by the generator.
2 cups shaped blade made of metal placed in a circular motion clung tightly to the wheel. Manufacturer of mechanical power shafts And the movement of the turbine shaft is supplied by a generator.
Have a cup 2 leaves made of metal. Put a circle adhesive with wheel produce mechanical energy from the shaft. The movement of the rotating shaft and the turbine will be delivered by the generator.