Patent ID: 8702389
Filing Date: 2014-04-22
Classification: F03D,F05B,Y02E

Abstract:
1. A device for locking a rotor blade of a wind turbine which has an adjustment system for the blade pitch angle of the rotor blade, wherein the adjustment system has a drive which comprises a motor and a gearbox with an input shaft that bears an external toothing, characterised by a locking pin ( 32 ; 62 ) mounted rotatably around its longitudinal axis, which engages with the external toothing ( 16 ) in a locking position, and releases the external toothing ( 16 ) in an unlocked position, wherein the locking pin has an end portion ( 34 ; 64 ) whose free end stands eccentric to the longitudinal axis ( 42 ; 66 ) of the locking pin.