Bearing for wind turbine

摘要

A bearing has a circular element (12) normally fixed with respect to ground (111). The circular element (12) associated with the ground element is permitted to idle in rotation, so as to distribute wear around the circumference thereof. Various means of controlling and causing idle rotation are disclosed. Rolling elements (113) are preferably provided between inner and outer races (112, 115) of a bearing assembly.

主权项

1. A bearing comprising a moving element that rotates with respect to a ground element for the bearing, and a circular member that is adapted to support a rotating load transmitted to the circular member by the moving element, wherein said circular member is adapted to idle in rotation on the ground element in a controlled manner, and wherein the idling motion is regulated by a brake.