Abstract: A floating downwind turbine comprising: a floating foundation; a tower which is rotationally fixed on the floating foundation; an energy conversion unit which is mounted on the tower, comprises a rotor and is rotationally fixedly connected to the tower; and at least one tensioning element which connects the tower or the energy conversion unit to the foundation in the upwind direction, the foundation having three legs, one leg of which is longer than the other two legs, the legs being interconnected in a Y shape and the tower, being arranged on the foundation in the connecting region of the legs, and the longest leg extending in the upwind direction and being connected to the tower or to the energy conversion unit by the tensioning element.

Abstract: A floating downwind turbine comprising: a floating foundation; a tower which is rotationally fixed on the floating foundation; an energy conversion unit which is mounted on the tower, comprises a rotor and is rotationally fixedly connected to the tower; and at least one tensioning element which connects the tower or the energy conversion unit to the foundation in the upwind direction, the foundation having three legs, one leg of which is longer than the other two legs, the legs being interconnected in a Y shape and the tower, being arranged on the foundation in the connecting region of the legs, and the longest leg extending in the upwind direction and being connected to the tower or to the energy conversion unit by the tensioning element.

Abstract: A wind turbine includes a tower, a nacelle rotatably arranged on the tower, and a helicopter landing pad arranged on the nacelle. The wind turbine has a rotor having at most two rotor blades and a locking device for locking the rotor in a position in which the rotor blades extend horizontally, and the helicopter landing pad is arranged on the nacelle in such a way that the cross-section of the upper tower section lies completely within the outer contour of the helicopter landing pad in the top view.

Abstract: A rotor for an electric machine includes a base body and a plurality of support bodies that are fixed on the base body and support permanent magnets. The rotor is characterized in that two first support bodies that are located at a distance from one another form a receiving region for a second support body, allowing the first support body to be positively connected to the second support body.

Abstract: A method for moving a double-bladed rotor of a wind power plant into a parking position characterized by the orientation of the rotor blades in a horizontal plane and braking the rotor.

Abstract: The invention relates to a wind turbine comprising a tower, a nacelle that is located on the tower and is provided with a machine support, a rotor shaft bearing and a generator, and comprising a rotor with a rotor shaft, a rotor hub and at least one rotor with at least one rotor blade that is fixed to the rotor hub. According to the invention, the wind turbine has a locking device established by a locking bolt that can be driven into a locking bolt recess in order to positively lock the rotor. The invention is characterized in that the locking bolt is located on the rotor hub and the locking recess is located on the nacelle.

Abstract: A hydraulic supply unit for lubricating and/or cooling mechanical and electrical components disposed in the nacelle of a wind power plant, and for supplying hydraulic actuating devices with hydraulic fluid, characterized by a tank that is divided into chambers and has a first chamber for providing oil lubricating the gearbox of the wind power plant, a second chamber for providing hydraulic oil used to operate hydraulic actuating devices of the wind power plant, a first connection for connecting the first chamber to a line for supplying the gearbox with lubricating oil, and a second connection for connecting the second chamber to a line for supplying the hydraulically operated actuating devices with hydraulic oil, and a heat exchanger for dissipating heat from the hydraulic oil, the gearbox oil and a coolant that is fed to the heat exchanger and absorbs lost heat at the electrical components of the wind power plant.

Abstract: A wind turbine includes a tower, a nacelle rotatably arranged on the tower, and a helicopter landing pad arranged on the nacelle. The wind turbine has a rotor having at most two rotor blades and a locking device for locking the rotor in a position in which the rotor blades extend horizontally, and the helicopter landing pad is arranged on the nacelle in such a way that the cross-section of the upper tower section lies completely within the outer contour of the helicopter landing pad in the top view.

Abstract: A wind power plant, comprising a tower, a rotor mounted on the tower and having at least one rotor blade, and a power conversion unit, is characterized by a swivel bearing, the swiveling plane of which lies between an approximately horizontal rotor axis (x) and a vertical tower axis (y), at least one motor for swiveling the rotor, along with the power conversion unit, from a first position in which the rotor axis (x) extends at least approximately in a horizontal direction into a second position in which the rotor axis (x) extends at least approximately in a vertical direction.

Abstract: Wind turbines with at least one rotor blade, a hub, a gearbox casing accommodating a gearbox, a generator casing accommodating a generator, a head support, a tower and an azimuth bearing supporting the head support so that it can rotate on the tower, characterized in that the rotor bearing, the gearbox casing and the generator casing are arranged between the hub and the head support, designed as load-transmitting components and joined to each other via screw connections.

Abstract: A planetary gear including a stationary ring gear, a rotatable planet carrier having an even number of at least four mirror-symmetrically arranged planet wheels, and a sun gear and comprising two bearings disposed opposite of the sun gear and arranged between the planet wheels is provided. The bearings connect the input or output element of the planetary gear to the planet carrier in the center plane of the planet carrier, with the bearings forming an imaginary axis of symmetry, and at least two planet wheels having a lesser distance to each other than one of the planet wheels does to a further planet wheel.

Abstract: A wind turbine includes a tower, an energy conversion unit arranged substantially outside the upper tower cross-section and having a generator and a rotor with at least one rotor blade connected to a hub, a head carrier arranged on the tower and connecting the energy conversion unit to the tower, and a lifting device having a lifting cable for lifting and lowering the energy conversion unit. A supporting unit is fastened to the head carrier and extends in the longitudinal direction of the energy conversion unit. A redirecting assembly is arranged on the supporting unit for transferring the lifting cable from a substantially horizontal plane to a vertical plane. The redirecting assembly is connected to the head carrier or the supporting unit by a linear drive that causes a position change of the redirecting assembly in the direction of the longitudinal axis of the energy conversion unit.

Abstract: Method for installing (or replacing) a unit on the tower of an offshore wind turbine, which unit comprises a rotor including a hub and one or two rotor blades, and a nacelle receiving a gearbox and a generator. The method is characterized by pre-assembling the substantially functional unit ashore or on a platform, placing the functional unit on a watercraft in such a manner that the center of gravitation of the unit lies in the region of the longitudinal axis of the watercraft and the rotor blades extend in the longitudinal direction of the watercraft, transporting the functional unit to the site of the offshore wind turbine, lifting the functional unit from the watercraft using a crane aboard the watercraft, placing the functional unit on the tower of the offshore wind turbine, and fastening the functional unit on the tower of the offshore wind turbine.

Abstract: A wind turbine comprising a tower, an energy conversion unit arranged on the tower, a rotor, which is connected to the energy conversion unit and has two rotor blades fastened to a hub, a measuring system arranged in the hub for measuring the mechanical deformation of the hub, and an individual blade controller for setting the blade pitch angle of the rotor blades. The measuring system is designed to detect the distance between two defined locations opposite each other in the hub, and the individual blade controller is designed to set the blade pitch angle of both rotor blades, on the basis of the distance measured between the defined locations or the distance change measured between the defined locations, in such a way that a minimum rotor pitch torque MYR results.

Abstract: A sealing arrangement includes a housing component, a shaft at least partially accommodated by the housing component, and a plurality of sealing elements, which can be moved along the longitudinal axis of the shaft for sealing the intermediate space between the housing component and the shaft. The shaft includes a section that extends in the longitudinal direction of the shaft and has a shaft diameter that is tapered in steps. The sealing elements can be moved from a first position, in which a first sealing element lies against a first step, to further positions, in which additionally at least one further sealing element lies against one further step per sealing element.

Abstract: The invention relates to a wind turbine comprising a tower, a nacelle that is located on the tower and is provided with a machine support, a rotor shaft bearing and a generator, and comprising a rotor with a rotor shaft, a rotor hub and at least one rotor with at least one rotor blade that is fixed to the rotor hub. According to the invention, the wind turbine has a locking device established by a locking bolt that can be driven into a locking bolt recess in order to positively lock the rotor. The invention is characterized in that the locking bolt is located on the rotor hub and the locking recess is located on the nacelle.

Abstract: A method for moving a double-bladed rotor of a wind power plant into a parking position characterized by the orientation of the rotor blades in a horizontal plane and braking the rotor.

Abstract: A hydraulic supply unit for lubricating and/or cooling mechanical and electrical components disposed in the nacelle of a wind power plant, and for supplying hydraulic actuating devices with hydraulic fluid, characterized by a tank that is divided into chambers and has a first chamber for providing oil lubricating the gearbox of the wind power plant, a second chamber for providing hydraulic oil used to operate hydraulic actuating devices of the wind power plant, a first connection for connecting the first chamber to a line for supplying the gearbox with lubricating oil, and a second connection for connecting the second chamber to a line for supplying the hydraulically operated actuating devices with hydraulic oil, and a heat exchanger for dissipating heat from the hydraulic oil, the gearbox oil and a coolant that is fed to the heat exchanger and absorbs lost heat at the electrical components of the wind power plant.

Abstract: The invention relates to a rotor for an electric machine, comprising a base body and a plurality of support bodies that are fixed on the base body and support permanent magnets. The rotor is characterized in that two first support bodies that are located at a distance from one another form a receiving region for a second support body, allowing the first support body to be positively connected to the second support body.

Abstract: A planetary gear including a stationary ring gear, a rotatable planet carrier having an even number of at least four mirror-symmetrically arranged planet wheels, and a sun gear and comprising two bearings disposed opposite of the sun gear and arranged between the planet wheels is provided. The bearings connect the input or output element of the planetary gear to the planet carrier in the center plane of the planet carrier, with the bearings forming an imaginary axis of symmetry, and at least two planet wheels have having a lesser distance to each other than one of the planet wheels does to a further planet wheel.