Patent ID: 9261071
Filing Date: 2016-02-16
CPC Classification: F03D,F05B,Y02E

Claim Text:
1. A system for a wind turbine, comprising: a pitch system comprising a pitch bearing and a wind turbine hub, the pitch bearing being attached to the hub and being attachable to a wind turbine rotor blade, the pitch bearing defining an axis of rotation of the pitch bearing and an inner bearing circumference; a pitch gear releaseably coupled to the pitch system; and a flange for coupling the pitch gear to the pitch system, the flange being connected to the pitch bearing and further configured to be connected to the rotor blade such that the blade couples to the bearing through the flange, wherein the pitch gear is positioned between the axis of rotation and the inner circumference of the pitch bearing and spaced from the inner circumference in a direction substantially perpendicular to the axis of rotation of the pitch bearing, and wherein the pitch gear is further positioned between the pitch bearing and a blade tip and spaced from the pitch bearing in a direction substantially parallel to the axis of rotation of the pitch bearing.