Patent ID: 8287243
Filing Date: 2012-10-16
Classification: F03D,F05B,Y02E,Y10T

Abstract:
1. A spinner configured to be mounted on a hub of a wind turbine, wherein at least one rotor blade is connected to the hub and defines a blade tip, a substantially cylindrical inner portion extending radially from the hub to an outer end of the inner portion, and a profiled outer portion extending radially from the outer end of the inner portion toward the blade tip, the spinner comprising: a front portion positioned in front of the inner portion of the at least one rotor blade of the wind turbine in operation; wherein the spinner extends radially from the hub in a direction along the at least one rotor blade to a point beyond the outer end of the inner portion of the at least one rotor blade and completely covers the inner portion of the at least one rotor blade and a portion of the profiled outer portion of the at least one rotor blade in a wind direction, and is structurally configured to allow rotation of the at least one rotor blade about its longitudinal axis for pitch angle adjustment of the at least one rotor blade without interfering with the rotation.