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US 8,147,202 B2Granted
Wind turbine, a hub for a wind turbine and use hereof
AssigneeVestas Wind Systems A/S
InventorAnton Bech
Life of this patent
Estimating the term…
Abstract
The invention relates to a wind turbine including at least two blade units. Each blade unit has a pitch controlled wind turbine blade and at least one pitch bearing including at least one outer ring, at least one center ring and at least one inner ring. The wind turbine further includes a hub comprising a mount area for each of the blade units (31). The mount area comprises at least two concentric load transferring surfaces for attaching the blade unit, via the at least one pitch bearing. The invention further relates a hub and a use hereof.
Claims26
A wind turbine, comprising:
- at least two blade units each comprising a pitch controlled wind turbine blade and at least one pitch bearing including at least one outer ring, at least one centre ring and at least one inner ring;
- and
- a hub comprising a mount area for each of said blade units,
- wherein said mount area comprises at least two concentric load transferring surfaces for attaching said blade unit via said at least one pitch bearing.
1 more element
A wind turbine hub for a wind turbine, comprising:
- at least two mount areas for mounting wind turbine blades via pitch bearings including at least one outer ring, at least one centre ring and at least one inner ring,
- wherein said mount areas each comprises at least two concentric load transferring surfaces for attachment of at least two of said rings.
Dependencies are inferred from the claim text.