Self-aligning pitch and yaw system for wind turbine blade rotation

Abstract

A wind turbine blade apparatus includes a root device, the root device including: a base including an upper surface having a radius of curvature and configured to accommodate a root portion of a blade, and a housing disposed on a lateral side of the base. The housing includes a groove configured to accommodate a bearing and a shaft extending at least partially through the base and the housing. A tip device is also provided, the tip device including a base, a rotatable support frame, the rotatable support frame having: a first support configured to accommodate a pressure side of a wind turbine blade, a second support configured to accommodate a suction side of the wind turbine blade, and an opening configured to accommodate a portion of the wind turbine blade.

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