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US 9,803,692 B2Granted
Bearing for wind turbine
AssigneeRicardo UK Limited
InventorJonathan Charles Wheals
Life of this patent
Estimating the term…
Abstract
A bearing has a circular element normally fixed with respect to ground. The circular element 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 are preferably provided between inner and outer races of a bearing assembly.
Claims11
A bearing comprising
- a moving element that rotates with respect to a ground element for the bearing,
- a circular member that is adapted to support a rotating load transmitted to the circular member by the moving element, and
- an inner race, an outer race concentric with the inner race, and rolling elements between the inner and outer races, one of said races comprising said circular member,
- wherein said circular member is adapted to idle in rotation on the ground element in a controlled manner,
- wherein the idling rotation is continuous, and
- wherein rotation of the circular member of the ground element is by drag from rolling elements.
3 more elements
Dependencies are inferred from the claim text.