Patent ID: 7762777
Filing Date: 2010-07-27
Classification: F03D,F05B,F05C,Y02B,Y02E,Y02P,Y10S

Abstract:
1. A Savonius vertical axis wind turbine rotor comprising; a plurality of spokes, each spoke comprising a hub having a substantially central opening, a plurality of at least partially arcuate ribs extending substantially radially outwardly from the hub with inner and outer surfaces, and a plurality of channels defined in at least one of the inner and outer surface of each rib; a plurality of vanes of sheet material generally conforming to an inner or outer surface of a rib and having openings therein operatively aligned with the channels; and first fasteners passing through the openings into the channels and cooperating with second fasteners provided within the channels to securely hold the vanes to the ribs, so that the vanes assume an at least partially curved configuration presenting alternately a substantially concave and substantially convex curvature to wind as the rotor rotates about a substantially vertical axis.