Patent ID: 8191253

Claim:
A method of mounting a rotor of a wind turbine ( 11 ) supported in a tower ( 13 ), comprising the following steps: a) lifting a rotor hub ( 15 ) and mounting the rotor hub ( 15 ) on a nacelle ( 21 ) of the wind turbine ( 11 ); b) lifting some rotor blades ( 25 , 27 , 29 ) and mounting the rotor blades ( 25 , 27 , 29 ) on the rotor hub ( 15 ) using a lifting device ( 17 ) cooperating with a winch ( 19 ) on ground keeping a distance with the tower ( 13 ), the mounting of each blade being made after rotating the rotor hub ( 15 ) for having a connecting part ( 25 ′, 27 ′, 29 ′) of the rotor hub ( 15 ) in front of each blade ( 25 , 27 , 29 ) when each blade is lifted, the lifting device ( 17 ) being installed in a fixed position in the rotor hub ( 15 ).