Patent ID: 8128338
Filing Date: 2012-03-06
Classification: B63H,B64C,F03D,F05B,Y02E

Abstract:
1. A horizontal-axis wind turbine comprising: a column; a chassis rotatably mounted to the column; a propeller mounted to a back of the chassis and comprising a plurality of propeller vanes, each vane of the plurality of propeller vanes comprising a tilted part and a base part, a base part boundary line between the tilted part and the base part having a maximum chord length of each vane, the base part boundary line being an arc of a circle formed during rotation of the propeller; a plurality of support vanes mounted at a proximal end to the chassis and having distal ends; and a plurality of directional rudders mounted to the distal ends of the plurality of support vanes to surround the propeller.