Wind and water turbine apparatuses

A turbine apparatus for use with a fluid carrying kinetic energy, the apparatus comprising:

• a fixed structure;
• and
• a rotating structure supported by the fixed structure, the rotating structure comprising a central shaft rotatable about a generally vertical shaft axis, and at least two wings connected to the central shaft and extending radially outwardly therefrom, each of the wings comprising a wing frame, at least one door and a respective at least one door stopper,
• wherein each of the doors is configured to pivot relative to the respective wing frame between a closed position in which the door engages the respective door stopper and an open position in which the door is spaced away from the respective door stopper,
• wherein the door stoppers are arranged such that the door located at one side of the central shaft facing a flow of fluid is in the closed position with fluid force transferred to the door, while the door located at the opposite side of the central shaft is in the open position with fluid passing through the respective wing frame,
• wherein the fluid force acting on the door at the one side creates a torque that rotates the central shaft,
• wherein the fixed structure comprises a rail spaced apart from and extending about the central shaft, and a guide member mounted around a base of the fixed structure,
• wherein the rotating structure comprises support wheels and guide wheels,
• wherein each of the wings comprises one of the support wheels located along a bottom edge of the respective wing, the support wheel vertically supporting the wing moving on the rail, and
• wherein each of the wings comprises at least one of the guide wheels mounted to the wing, the guide wheel horizontally restraining the wing in rotation by the guide member.