Patent ID: 8584355
Filing Date: 2013-11-19
Classification: F03D,F05B,Y02E,Y10T

Abstract:
1. A method of releasing a rotor blade ( 200 ) of a wind turbine, wherein the rotor blade ( 200 ) is mounted during operation of the wind turbine on a hub ( 100 ) of the wind turbine by means of a slewing ring bearing ( 110 ) such that a pitch angle of the turbine blade is adjustable, and a movable slewing bearing part ( 120 ) is joined rotatably to the hub ( 100 ) and fixedly to a flange ( 210 ) of the rotor blade ( 200 ) by a plurality of threaded bolts, said method comprising the following steps: positioning the rotor blade ( screwing in at least one threaded rod ( holding the rotor blade, by means of a hoisting means ( releasing all of the threaded bolts, lowering the rotor blade ( fastening at least one adapter ( disconnecting the at least one adapter (