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US 2010/0303626 A1Published application
Epicyclic gear stage for a wind turbine gearbox, a wind turbine gearbox and a wind turbine
AssigneeVestas Wind Systems A/S
InventorAbdelhalim Mostafi
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Abstract
The invention relates to an epicyclic gear stage for a wind turbine gearbox comprising a sun gear, at least two planet gears, engaged with said sun gear, an annulus gear, and a planet carrier. Torque from the wind turbine rotor is transferred via a torque transfer part connected to said planet carrier and said torque transfer part is flexible connected to said planet carrier at one or more joints.
Claims15
An epicyclic gear stage for a wind turbine gearbox comprising:
- a sun gear,
- an annulus gear,
- at least two planet gears, engaged with the sun gear and the annulus gear,
- a planet carrier for carrying the planet gears, and
- a torque transfer part for transferring torque from a wind turbine rotor
- wherein said torque transfer part is flexible connected to at least one planet carrier flange with at least three flexible ball-and-socket joints transferring torque from said wind turbine rotor to said at least one planet carrier flange,
- characterized in that
- a ball part of said flexible ball-and-socket joints is part of said torque transfer part.
5 more elements
Dependencies are inferred from the claim text.