Rotor blade pitch arrangement
AssigneeSiemens Aktiengesellschaft
InventorsSteen Damgaard, Soeren Forbech Elmose
Life of this patent
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Abstract
A blade pitch arrangement of a wind turbine is provided having a number of blade shafts extending radially outward from a hub and a rotor blade mounted around each blade shaft, which blade pitch arrangement includes a toothed ring arranged at the root end of each rotor blade; and a pitch drive unit for each rotor blade, having a driver body and a pinion realized to engage with the toothed ring of a rotor blade; wherein a pitch drive unit is arranged relative to its corresponding rotor blade such that the pinion is positioned closest to the hub, and the driver body extends in a direction radially outward from the hub. A wind turbine is also described.
Claims15
A blade pitch arrangement of a wind turbine having a number of blade shafts extending radially outward from a hub and a rotor blade mounted around each blade shaft, which blade pitch arrangement having
- a toothed ring arranged at the root end of each rotor blade;
- and
- a pitch drive unit for each rotor blade, including a driver body and a pinion realized to engage with the toothed ring of a rotor blade;
- comprising a pitch drive unit arranged relative to its corresponding rotor blade such that the pinion is positioned closest to the hub, and the driver body extends in a direction radially outward from the hub.
Dependencies are inferred from the claim text.