Device for the adjustment of the pitch of a rotor blade of a wind turbine
AssigneeSiemens Aktiengesellschaft
InventorJesper Munch
Life of this patent
Estimating the term…
Abstract
A device is provided for the adjustment of the pitch of a rotor blade of a wind turbine comprising a pitch actuator acting on an adjusting plane for the adjustment of the pitch and a fixing device to which the pitch actuator is attached, the fixing device comprises a first and a second bearing shaft allowing a pendulum motion of the pitch actuator wherein both the first and the second bearing shaft are arranged respectively under a certain tilt angle relatively to the adjusting plane which tilt angle is respectively substantially different from 0° or 90°.
Claims11
A device for the adjustment of the pitch of a rotor blade of a wind turbine, comprising:
- a pitch actuator acting on a pitch adjusting plane at a hub of the wind turbine;
- and
- a fixing device to which the pitch actuator is attached, and said fixing device is provided for an attachment to the hub,
- wherein the fixing device comprises a first and a second bearing shaft allowing a pendulum motion of the pitch actuator relatively to the fixing device, and
- wherein both the first and the second bearing shaft are arranged respectively under a certain tilt angle relatively to the adjusting plane, wherein said tilt angle is respectively substantially different from 0° or 90°.
Dependencies are inferred from the claim text.