Method and apparatus for wind turbine air gap control

Details Method and apparatus for wind turbine air gap control Method and apparatus for wind turbine air gap control

2007-02-20

2007-02-20

Waks, Joseph (Department: 2834)

Prime-mover dynamo plants

Fluid-current motors

Wind

Reexamination Certificate

active

11031259

ABSTRACT:
Methods and apparatus for assembling a wind turbine generator are provided. The wind turbine generator includes a core and a plurality of stator windings circumferentially spaced about a generator longitudinal axis, a rotor rotatable about the generator longitudinal axis wherein the rotor includes a plurality of magnetic elements coupled to a radially outer periphery of the rotor such that an airgap is defined between the stator windings and the magnetic elements and the plurality of magnetic elements including a radially inner periphery having a first diameter. The wind turbine generator also includes a bearing including a first member in rotatable engagement with a radially inner second member, the first member including a radially outer periphery, a diameter of the radially outer periphery of the first member being substantially equal to the first diameter, the rotor coupled to the stator through the bearing such that a substantially uniform airgap is maintained.

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