| 摘要 |
A vertical axis wind turbine provides a rotor assembly which rotates on bearing assemblies affixed to a rotor shaft supported by a base, the rotor assembly having vertical blades mounted between top and bottom plates, and power takeoff means to provide power by direct mechanical linkage or to drive an electrical generator. The rotor assembly is partially enclosed by a housing. Attached to the side of the housing is a wind vane. Attached to the bottom side of the housing are rollers. The wind vane, in combination with the rollers, act to rotate the housing to a position that will permit the wind to act upon the exposed vertical blades.
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