Patent ID: 7946826
Filing Date: 2011-05-24
Classification: F03D,F05B,Y02E

Abstract:
1. A rotor blade for a wind turbine, the rotor blade comprising: a root portion; a tip; and, a body extending between said root portion and said tip, said body comprising a pressure side and a suction side, said body including a first bend and a second bend, said first bend being defined in said body between 0% and about 80% of a total length of the rotor blade such that a portion of said body extends outwardly in a direction of said pressure side; and, a suction side winglet formed in said body between said second bend and said tip, said suction side winglet extending inwardly in a direction of said suction side such that said tip is substantially aligned with a pitch axis of the rotor blade or is disposed between said pitch axis and a tower of the wind turbine.