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 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: 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 energy plant comprising a rotor, a rotor shaft, a gear, and a generator, the generator embodied as a ring concentrically embracing the gear.

Abstract: A wind energy installation having a tower, a gondola supported by the tower, a rotor mounted in the gondola, and at least one pressure pump that is mechanically driven by the rotor and that feeds a raw water-treating reverse osmosis plant, the components of the reverse osmosis plant being arranged within the tower.

Abstract: A rotor shaft/hub unit for a wind energy plant with a rotor shaft provided with a rotor bearing seat which is connected to a rotor hub provided with a blade or blade bearing connection, the rotor hub and rotor shaft are manufactured in one piece from bonded fiber fabrics.

Abstract: A wind power plant with a tower, a gondola carried by the latter so as to rotate about an axis and a rotor mounted in the gondola, the tower containing an evaporator and a vapor compressor mechanically driven by the rotor by a gear.

Abstract: A method for operating a wind power plant which is provided with a device for regulating the speed of a rotor of the wind power plant. The method includes the steps of: determining the critical frequency of the respective turbine and/or turbine components, determining the speed range of the rotor in which the entire turbine and/or individual turbine components are excited in the vicinity of their critical frequencies and operation of the wind turbine plant only below and above the critical range; the latter being traversed rapidly.

Abstract: An individual blade adjustment system for wind turbines comprising two drive units which are joined to at least one movable rocker arm, substantially in the cutting plane of the blade connection and which forms a lever mechanism together with the rocker arm, wherein each drive unit produces a linear extension. The respective ends of the lever mechanism are provided with a force-transmitting link to the hub and an element on the blade to be adjusted through each pivot connection.

Abstract: Device for preventing the penetration of corrosively acting salt particles into the generator and gear area of an offshore wind power plant, with an air pressure generator for introducing air under an overpressure into at least a substantially closed part of the generator and gear area, and a filtering device connected upstream of the generator and gear area in the flow direction for the separation of moisture and salt particles from the air to be introduced into the area by the air pressure generator.

Abstract: A method for laying electrical cables from a first offshore wind power plant to a second offshore wind power plant. The method comprises placing the cable to be laid in the tower or the foundation of the first offshore wind power plant before the plant is erected, erection of the first offshore wind power plant, taking a tow line from one wind power plant to the other wind power plant, and drawing the leading end of the cable from the first wind power plant to the second wind power plant while releasing the cable from the tower or the foundation component of the first wind power plant.