Rotor blade and wind energy plant

Fluid reaction surfaces (i.e. – impellers) – With means positioning fluid current driven impeller... – Offset relative to flow direction

Reexamination Certificate

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Details

C416S202000, C416S22300B, C416S237000, C416S239000, C415S004300, C415S004500, C415S908000

Reexamination Certificate

active

07832985

ABSTRACT:
The present invention is related to a rotor blade for a wind energy plant, with a blade root, with a first longitudinal portion starting from the blade root, with a second longitudinal portion, following up the first longitudinal portion and running into a blade tip, with a first surface, facing a tower of the wind energy plant in its assembled state, and a second surface, facing away from the tower of the wind energy plant in its assembled state, wherein an imaginary reference plane is spanned up by a rotation, taking place in the operation of the rotor blade, of the longitudinal axis of the first longitudinal portion around the rotational axis of a rotor of the wind energy plant carrying the rotor blade which prevents collisions of the blade tip with the tower of the wind energy plant.

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patent: 10 2004 023 774 (2005-12-01), None
patent: 102 01 726 (2010-04-01), None

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