| 摘要 |
A device for the targeted adjustment of the angle of incidence of a rotor blade ( 13 ) which is rotatably mounted, at the foot ( 14 ) thereof, on a hub ( 12 ) of a rotor ( 11 ) of a wind power installation ( 10 ). The device includes a gearing, a driving toothed wheel ( 21, 41 ) that meshes with the gearing ( 20, 40 ), and a lubricating device. The lubricating device, due to a temporary displacement of the driving toothed wheel ( 21, 41 ) from an operating position into a lubricating position, can be engaged with a defined point of the gearing ( 20 ) or the driving toothed wheel ( 41 ), respectively previously engaged with the driving toothed wheel ( 1 ) or the gearing ( 20, 40 ), so as to transfer lubricant.
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