Lubrication of a pitch angle adjusting device of a rotor...

Fluid reaction surfaces (i.e. – impellers) – Having positive means for impeller adjustment – Motor bodily rotatable with impeller hub or shaft

Reexamination Certificate

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Details

C416S174000

Reexamination Certificate

active

07077630

ABSTRACT:
In accordance with the invention an apparatus for rotating a shaft of a rotor blade of a wind power installation relative to a hub of the wind power installation, comprising a bearing arrangement between the components and a gear drive for actuation of the rotary movement for adjusting the pitch angle of the rotor blade is characterized in that a gear of the drive and the bearing arrangement are arranged in the volume region of a lubricant chamber.

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