| 摘要 |
A wind turbine apparatus in which a plurality of wind responsive elements are movably mounted, such as by being pivotally mounted, on a movable means which produces rotary motion. The positions of the wind responsive elements are arranged to provide a drag force on at least one of the elements in response to the wind when the speed of rotary motion is below a predetermined level so as to produce a starting force to initiate and maintain the rotary motion. When the speed of the rotary motion exceeds such predetermined level the positions of such wind responsive elements are such that a lift force is provided thereon in response to the wind so that the rotary motion can achieve speeds which are considerably higher than those achieved by the starting force.
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