Control vane for a wind turbine

Details Control vane for a wind turbine Control vane for a wind turbine

2006-03-21

2006-03-21

Lazo, Thomas E. (Department: 3745)

Rotary kinetic fluid motors or pumps

With means for controlling casing or flow guiding means in...

Natural fluid current force responsive

C416S011000, C416S012000

Reexamination Certificate

active

07014416

ABSTRACT:
A wind turbine uses a support tower with a rotatable upper portion supporting an electric generating turbine. A set of radially oriented blades rotate in a vertical plane. A control vane is mounted on a hinge bar and is movable vertically along the bar as well as bilaterally about the hinge bar, when the control vane is lifted out of a restraint well under the force of a wind vector moving in a first horizontal direction where the turbine would be counter-rotated. The control vane is pressed into the restraint well under the force of a wind vector moving in a second direction, essentially opposing the first direction. The control vane is urged to rotate laterally when lifted out of the restraint well, thereby rotating the upper tower portion until the control vane is positioned for being pressed into the restraint well so as to align the turbine blades for preferred blade rotation.

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