Patent application number | Description | Published |
20100133826 | METHOD AND APPARATUS FOR GENERATING POWER IN A WIND TURBINE - A generator for use in a wind turbine includes a rotor including a plurality of windings. The rotor is configured to be electrically coupled to a wind turbine electrical distribution system. The generator also includes a stator including a plurality of windings. The stator is configured to be magnetically coupled to the rotor and electrically coupled to the wind turbine electrical distribution system. The stator is further configured to switch between a first number of magnetic poles and a second number of magnetic poles. | 06-03-2010 |
20100140948 | WIND TURBINE AND METHOD OF ASSEMBLING THE SAME - A method of assembling a wind turbine is provided. The method includes coupling a support flange to an inner surface of a tower, and positioning a yaw bearing on the support flange. The yaw bearing includes a plurality of horizontally oriented rollers. A base of a nacelle assembly is positioned on the yaw bearing such that the base is rotatable with respect to the tower. | 06-10-2010 |
20110076149 | SYSTEMS AND METHODS OF ASSEMBLING A ROTOR BLADE EXTENSION FOR USE IN A WIND TURBINE - A method of assembling a blade extension assembly for use with a wind turbine. The method includes removing a tip end of a tip portion of a rotor blade and coupling a tip wall to the tip portion. The tip wall extends between a first sidewall and a second sidewall and includes a plurality of slots defined therein. A blade extension assembly is coupled to the tip portion. | 03-31-2011 |
20110101699 | CONFIGURATION OF A WIND TURBINE NACELLE - A wind turbine nacelle configuration includes a frame structure configured for mounting atop a wind turbine tower. The frame structure includes a base, side support members, and top support members. A shell is attached to the frame structure to enclose the nacelle. A drive train may be housed within the frame structure and includes a low speed rotor shaft connected to a gearbox, and a high speed shaft connecting the gearbox to a generator. The frame structure is configured so that at least one component of the drive train is suspended from the top support members within the frame structure. | 05-05-2011 |
20110135398 | SYSTEMS AND METHODS FOR ASSEMBLING AN OFFSHORE SUPPORT SYSTEM FOR USE WITH A WIND TURBINE - A method of assembling an offshore support system for use with a wind turbine. The method includes coupling a damper to a wind turbine tower. A counter-balance system is coupled to the damper for suspending at least a portion of the wind turbine above a water surface. The damper is positioned at least partially below a water surface to facilitate reducing movement of the wind turbine in at least one direction. The counter-balance system is positioned at least partially below the water surface to stabilize the wind turbine when subjected to wind and tidal forces. | 06-09-2011 |
20110140426 | WIND TURBINE HAVING VARIABLE HEIGHT AND METHOD FOR OPERATING THE SAME - A wind turbine includes a rotor having a hub and at least one rotor blade, wherein the operating height of the hub is adjustable. Further, a method for operating a wind turbine is provided, which includes varying the height of the wind turbine. | 06-16-2011 |
20110204649 | PRE-STRESSED STIFFENING SYSTEM FOR A WIND TURBINE GENERATOR FRAME - A system for stiffening and pre-stressing a generator frame in a wind turbine is provided. The system includes a plurality of stress-inducing members configured for imparting a predetermined amount of stress on the generator frame. Each of the plurality of stress-inducing members has a length, a first end, and a second end and the length of each of said plurality of stress-inducing members is selectively adjustable. A coupling plate is configured for coupling the second ends of at least some of the plurality of stress-inducing members together. A plurality of brackets are coupled to the generator frame and configured to couple the first ends of the plurality of stress-inducing members to the generator frame. | 08-25-2011 |
20120003091 | ROTOR ASSEMBLY FOR USE IN GAS TURBINE ENGINES AND METHOD FOR ASSEMBLING THE SAME - A method of assembling a rotor assembly for use with a turbine engine. The method includes providing a rotor shaft and coupling at least one rotor disk to the rotor shaft such that a cooling path is defined between the rotor shaft and the rotor disk. The rotor disk includes a substantially cylindrical body that has upstream and downstream surfaces extending between a radially inner edge and a radially outer edge. A first cooling plate is coupled to the downstream surface of the rotor disk to define a cooling duct between the first cooling plate and the downstream surface. The cooling duct is configured to channel a cooling fluid from the cooling path to the towards the outer edge. | 01-05-2012 |
20120328443 | SYSTEMS AND METHODS FOR ASSEMBLING A WIND TURBINE WITH A PITCH ASSEMBLY - A rotor blade for a rotor of a wind turbine is provided. The rotor blade comprises a blade root portion configured to transfer a load acting on the rotor blade to the rotor through a blade coupling assembly of the rotor, wherein the blade coupling assembly comprises a rotatable hub and a pitch bearing, and at least one reinforcement element disposed in the blade root portion of the rotor blade for stiffening the blade coupling assembly of the rotor. | 12-27-2012 |
20130192930 | SYSTEM AND METHOD FOR LUBRICATING GEARS IN A WIND TURBINE - A system and method for lubricating gears in a wind turbine blade pitch drive are provided, wherein the pitch drive comprises a drive pinion gear with gear teeth that engage a pitch bearing gear coupled to a respective wind turbine blade. A grease distributor is configured to mount onto and rotate with the pinion gear, and is configured to deliver grease from an external grease supply to at least one valley defined between adjacent teeth of the pinion gear in a contact area of the pinion gear with the bearing gear without the distributor contacting inter-engaging teeth of the bearing gear. | 08-01-2013 |
20130236311 | WIND TURBINE WITH ACCESS FEATURES FOR GAINING ACCESS TO THE INTERIOR OF A ROTOR HUB - A wind turbine including a nacelle and a rotor hub is disclosed. The nacelle may extend between a hub end and an aft end and may define a nacelle shaft opening and a nacelle access port at the hub end. The rotor hub may extend between a first end and a second end, with the second end being disposed adjacent to the hub end of the nacelle. The rotor hub may also define a hub shaft opening at the second end and a hub access port generally adjacent to the hub shaft opening. In addition, the wind turbine may include an access bridge configured to extend between the nacelle and the rotor hub so as to provide access between the nacelle access port and the hub access port. | 09-12-2013 |
20140003946 | CONE ANGLE INSERT FOR WIND TURBINE ROTOR | 01-02-2014 |