Patent application number | Description | Published |
20140056709 | ROTATING SYSTEM FOR A WIND TURBINE - It includes first and second mutually rotatable elements and a bearing arrangement associated therewith including at least one single film-like chamber formed between the first and second elements, a number of fluid injectors for injecting fluid into the hydraulic chamber and a control device for separately controlling the pressure of the fluid injected by the injectors depending at least on loads on the first element or the second element. A driving device is also provided for driving at least one of said elements in rotation, including hydraulic chambers which volume is defined by the relative position of the first and second elements and a pump device for filling the chamber with fluid to rotate the elements. | 02-27-2014 |
20140207297 | METHOD OF OPERATING A WIND FARM - Method of operating a wind farm comprising a plurality of wind turbines, each of the turbines having a plurality of blades, the method comprising determining a possible wake situation at a first wind turbine caused by a second wind turbine, the second wind turbine being located upstream of the first wind turbine, and individually adapting the blades of the second wind turbine such that a wake generated by the second wind turbine is deflected away from the first wind turbine. | 07-24-2014 |
20150030449 | METHOD OF OPERATING A WIND TURBINE - Method of operating a wind turbine comprising a plurality of blades rotatable along their longitudinal axes using a pitch mechanism, and comprising one or more movable trailing edge surfaces. The method includes predicting, at a first moment in time, a high load for one or more of the blades at a second moment in time. The method further comprises actuating on one or more of the movable trailing edge surfaces of these blades such that the trailing edge surfaces have a wider range of control to counteract the predicted high loads before the second moment in time, and simultaneously pitching the blades such as not to negatively affect the operation of the wind turbine. The method furthermore comprises, at the second moment in time, actuating the one or more movable trailing edge surfaces of the at least one or more blades to counteract the high loads. | 01-29-2015 |
20150192106 | WIND TURBINE BLADE AND METHOD OF CONTROLLING THE LIFT OF SUCH A BLADE - Wind turbine blade comprising a shape modifiable airfoil section that extends both chordwise and spanwise and has a not modified default shape, a conduit that extends from the inside of the blade towards the outside of the blade, and an outer part comprising a flow regulator that is located at the shape modifiable airfoil section and blocks the conduit when the shape modifiable airfoil section presents its default shape, and does not block the conduit when the shape modifiable airfoil section presents a modified shape. In the latter situation the conduit is opened to the outside of the blade and a device for exchanging a fluid between the inside and the outside of the blade is thus defined. | 07-09-2015 |
20150204045 | FLOATING OFFSHORE STRUCTURES - Floating offshore structures comprising a buoyancy structure arranged such that in use it remains below the sea level, and a tower, wherein the buoyancy structure is attached to the tower by a substantially tubular connecting structure, wherein one or more through channels are provided in the buoyancy structure, the through channels being traversing the buoyancy structure and extending from a bottom portion of the buoyancy structure to an inner portion of the connecting structure, the through channels being dimensioned such that sea water can flow into and out of the connecting structure with variations of the sea level. The application further relates to floating offshore structures comprising a wind turbine and to methods of reducing buoyancy variations in such floating offshore structures. | 07-23-2015 |
20150204307 | WIND TURBINE BLADES - Wind turbine blades comprising a deformable trailing edge (DTE) section extending chordwise and spanwise, wherein the DTE section is split in a suction side subsection and a pressure side subsection by one or more slits, wherein the DTE section comprises one or more actuators acting on at least one of the suction side and pressure side subsections, and wherein the suction side and pressure side subsections and the actuators are arranged such that deformation of one of the subsections is associated with a substantially corresponding deformation of the other subsection. | 07-23-2015 |
20150211494 | ANGULAR POSITIONING SYSTEM FOR A WIND TURBINE - It comprises first and second rotatable elements and driving device for driving them in rotation comprising hydraulic chambers which volume is defined by the relative position of the elements in the plane of rotation and pumps for filling the chambers with fluid to cause their expansion for rotating the elements, and a pump controller for controlling rotation of the elements. The volume of chambers is defined by portions of the first element ( | 07-30-2015 |
20150275863 | BLADE FOR A WIND TURBINE, AND A SERVICING UNIT FOR A BLADE - A blade for a wind turbine comprises a substantially hollow shell which comprises an opening which extends along at least part of the length of the blade, and a servicing unit displaceable along the blade shell, at least partly arranged inside the shell and comprising an arm adapted to project out of the shell through the opening. | 10-01-2015 |