Provided is a wind turbine including: a tower, a nacelle mounted on the tower, an electrical generator housed in the nacelle, a wind rotor rotatably coupled to the nacelle for rotating about a rotational axis and having at least one rotatable blade, two rotating shafts for connecting the wind rotor to the electrical generator, a shaft connector for rigidly connecting the two rotating shafts. The shaft connector includes: a hollow body, at least an inner flange protruding from the hollow body towards an axis of rotation of the shaft connector, the inner flange being connectable to one of the two rotating shafts, at least one hole provided on the hollow body for accessing the inner flange.

The present invention relates to a damper unit for damping oscillations of a tower structure when secured thereto, the damper unit comprising a damper unit structure adapted for attachment to the tower structure, a pendulum structure, a suspension arrangement for suspending the pendulum structure from the damper unit structure such that the pendulum structure is allowed to displace from a neutral position for the pendulum structure, the suspension arrangement comprising one or more wires for suspending the pendulum structure, a sensor adapted for measuring oscillations of the tower structure, and tuning means configured for adjusting the natural frequency of the suspended pendulum structure in response to measured oscillations of the tower structure. The present invention further relates to an associated method.

Exemplary embodiments generally relate to knowledge representation, and in particular, multi-dimensional knowledge representation in a configurable document that includes a collection of subparts that have a number of dimensions. Further, a number of versions of each configurable document may be defined, with each version including a different subset of subparts from the collection of subparts.

Wind generator (100) having a horizontal axis, installed in electric transportation means that can be of different types, as: car vehicles, motor vehicles, rail vehicles, water vehicles and air vehicles; said wind generator (100) comprising: —an air conveyor, called shell (101), having a cylindrical shape that is empty inside, having some openings on the outer surface, so called oval-shaped nozzles (104a, 104b, . . . ); —a horizontal wind turbine (107), comprising a rotary group of wind blades (112a, 112b, . . . ) fixed to a union ogive (116); —a transmission axis (109), being rotating and horizontal, where said turbine (107) is installed with its respective ogive (116) placed at the front part of said axis (109) and where an electric generator (102) is installed at the rear part of said axis (109), through a rotary element of said electric generator (102), so that a rotation of turbine (107) is transmitted, through a rotation of axis (109), to the rotary element of the electric generator (102); —said electric generator (102), comprising said rotary element and a fixed element, that is connected to the wind turbine (107) through the transmission axis (109); the electric generator (102) is further connected, by using electric cables (105), to some external electric accumulators; —at least two ball bearings (108, 111) anchoring, through connection elements, said rotary transmission axis (109) together either with the wind turbine (107) and the electric generator (102), in a stable position inside said shell (101), at the same time allowing the rotary motion of said rotating axis (109) on itself; —a cover (103) closing the rear part of said shell (101); —at least two supporting elements (106, 110) placed on the outer surface of said shell (101), in order to achieve an anchorage of the wind generator (100) to the transportation means on which it is installed, so that an air flow coming from the front part of said wind generator (100), having impact on said blades (112a, 112b, . . . ), forces said transmission axis (109) to a rotary motion and therefore forces the rotary element of the electric generator (102) to a rotary motion, generating therefore electric energy that can be immediately transmitted to an electric engine and/or other devices belonging to the transportation means, otherwise the electric energy can be saved into sa

A rotor blade for a rotor, in particular of a wind power installation, having a rotor-blade length constituted between a root region and a rotor-blade tip, a rotor-blade depth constituted between a leading edge and a blunt trailing edge, a rotor-blade thickness constituted between a pressure side and a suction side, a suction-side trailing-edge region extending on the suction side and/or a pressure-side trailing-edge region extending on the pressure side, the suction-side trailing-edge region and/or the pressure-side trailing-edge region extending from the blunt trailing edge in the direction of the leading edge with an extent of less than 30%, in particular less than 20%, of the chord, and the suction-side trailing-edge region and/or the pressure-side trailing-edge region having at least one eddy generator.

A cabin cover and a wind turbine generator set are provided. The cabin cover includes: a cover, the cover including first plates, second plates, and at least one support beam, the first plate and the second plate being alternately arranged, at least one group of adjacent first plate and second plate being spaced apart from each other and being fitted to the support beam, and the first plates, the second plates, and the support beams jointly enclosing an accommodating chamber; and fasteners, two or more of fasteners being provided and disposed in the accommodating chamber, at least one fastener detachably connecting the first plate to the support beam, and at least one fastener detachably connecting the second plate to the support beam.

An energy conversion system for converting wind energy into electrical energy includes at least one rotor having a substantially horizontal rotational axis and a plurality of rotor blades extending radially with respect to the rotational axis; a rotor mantle which fully surrounds the rotor; a plurality of wind funnels, including a first wind funnel arranged upstream of the rotor mantle and tapering towards the rotor mantle, and a second wind funnel arranged downstream of the rotor mantle and widening in a direction leading away from the rotor mantle; and a fixed frame which supports the rotor mantle and/or the plurality of wind funnels, wherein at least one adjustment device is provided, which is arranged and configured to orient the energy conversion system in a position corresponding to a prevailing wind direction.

A platform for a tower of a wind turbine is provided, wherein the platform is adapted for a hanging arrangement inside the tower and includes at least one support for supporting the platform in a horizontal direction against a tower wall, wherein the support includes a foot section for contacting the tower wall, an abutment section attached to the platform, and a pretensioner, wherein the pretensioner preloads the foot section against the abutment section with a pretension force directed towards the tower wall, wherein the foot section is moveable at least sectionally towards the platform when a force directed towards the platform and acting on the foot section exceeds the pretension force.

The invention relates to a device (100), a system (10) and a method for modifying the cross section of a tower section (1) of a wind turbine, wherein the tower section comprises a flange (4) located at an end (3) of the tower section having a plurality of through holes (5) spaced around its circumference for securing said tower section to another wind turbine section. The method comprises securing tensioning mechanism (14) to each of a pair of said plurality of through holes in the flange of the tower section, said pair of holes being generally opposed; and applying a tensile force between said pair of holes in the flange of the tower section.

A yaw control device includes a bottom horizontal plate, a top horizontal plate, a first vertical plate, and a second vertical plate. An aperture is positioned between first and second edges of the bottom horizontal plate, and is closer to a third edge of the bottom horizontal plate than to a fourth edge of that plate. A bottom edge of the first vertical plate is attached to a first edge of the bottom horizontal plate. An upper edge of the first vertical plate is attached to a first edge of the top horizontal plate. A bottom edge of the second vertical plate is attached to a second edge of the bottom horizontal plate. An upper edge of the second vertical plate is attached to a second edge of the top horizontal plate. The third edges of the horizontal plates are adapted to rotate about a shaft inserted through the aperture.