Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 2, 2008
Patent Application Number
11070066
Date Filed
March 2, 2005
Patent Primary Examiner
Patent abstract
A yawing system for a wind turbine, the wind turbine comprising a tower fixed to the ground and a frame (1) housing an electric power generator, the tower and the frame (1) being joined by the yawing system which allows the orientation of the frame (1) with respect to the tower according to the direction of the wind. The yawing system comprises:a gear ring (2) fixed to the tower, the gear ring having a sliding track (3) on which the frame (1) rests and slides in its yawing movement,at least one geared motor fixed to the frame (1), meshed with the gear ring (2) through a gear wheel,at least one active braking module (5), andat least one passive braking module (6).
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