Patent application number | Description | Published |
20080240923 | ROTOR BLADE FOR A WIND TURBINE HAVING A VARIABLE DIMENSION - A rotor blade | 10-02-2008 |
20080315697 | GEAR INTEGRATED GENERATOR FOR WIND TURBINE - A gear integrated generator for a wind turbine having a tower, a nacelle, and a hub is described. The gear integrated generator includes: a stator supporting frame having a stator supporting portion, a radially extending portion and a rotor frame supporting portion, wherein the stator supporting frame is stationarily mountable within the nacelle. A rotor frame is rotatably supported on the rotor frame supporting portion of the stator supporting frame. The rotor frame is connected to the hub and a gear, that is driven by the rotor frame. The gear includes a ring gear stationarily mounted to the stator support frame, a carrier gear assembly, and a ring-shaped sun gear. The gear integrated generator further includes: a rotor generator ring support frame rotatably supported and radially positioned outward of the rotor frame supporting portion of the stator supporting frame. | 12-25-2008 |
20090324416 | WIND TURBINE BLADES WITH MULTIPLE CURVATURES - A blade for a wind turbine includes a chord plane having one spanwise portion with a first curvature and another spanwise portion with a second curvature that is different from the first curvature. | 12-31-2009 |
20110142658 | HUB FOR A WIND TURBINE AND METHOD OF MOUNTING A WIND TURBINE - A modular rotor blade hub for a wind turbine rotor includes a plurality of segments, wherein at least one segment includes at least one face abutting against at least one face of at least one adjacent segment, and wherein at least one of said faces extends from an outer periphery of the hub to a central region of the hub. Further, methods for mounting a wind turbine including a modular hub are provided. | 06-16-2011 |
20110211954 | LIFT DEVICE FOR ROTOR BLADE IN WIND TURBINE - A lift device for a rotor blade and a method for increasing the lift of a rotor blade for a wind turbine are disclosed. The rotor blade has exterior surfaces defining a pressure side and a suction side extending between a leading edge and a trailing edge. The lift device includes a first aerodynamic surface configured for mounting to the pressure side of the rotor blade, and a second opposing aerodynamic surface configured to interact with wind flowing past the lift device. The lift device has a generally increasing cross-sectional area in a flow direction of the wind. The lift device is configured to increase the lift of the rotor blade. | 09-01-2011 |
20120027590 | NOISE REDUCER FOR ROTOR BLADE IN WIND TURBINE - A rotor blade assembly and a method for reducing the noise of a rotor blade for a wind turbine are disclosed. The rotor blade has surfaces defining a pressure side, a suction side, a leading edge, and a trailing edge extending between a tip and a root. The rotor blade assembly further includes a noise reducer configured on a surface of the rotor blade, the noise reducer including a plurality of noise reduction features. Each of the plurality of noise reduction features includes a first surface and a second surface. The first surface includes a first portion mounted to one of the pressure side or the suction side and a second portion configured to interact with wind flowing past the other of the pressure side or the suction side. The second surface interrupts an aerodynamic contour of the one of the pressure side or the suction side. | 02-02-2012 |
20120139244 | METHOD AND SYSTEM FOR CONTROL OF WIND TURBINES - A method of controlling at least one wind turbine, comprising selecting a first effective operational curve from a plurality of operational curves, and applying the first effective operational curve to control at least one wind turbine. The operational curves may be operational curve segments. | 06-07-2012 |
20130189105 | VIBRATION ABSORBING DEVICE FOR A WIND TURBINE AND METHOD OF ABSORBING VIBRATIONS IN A WIND TURBINE - A wind turbine is provided including a nacelle housing a power train of the wind turbine. The power train of the wind turbine includes a gearbox, a generator, and one or more rotatable shafts, each including a radial direction and an axial direction. Further, the wind turbine includes a vibration absorbing device being arranged on a shaft of the power train. The vibration absorbing device includes an energy storing arrangement, which includes a flexible element and a mass assembly. The vibration absorbing device is connected to the shaft in an axially symmetric way. | 07-25-2013 |