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 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: 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 transmission, having a connection for the supply of transmission oil and a connection for the discharge of transmission oil, characterized by a compressor which generates an overpressure in the transmission interior space, wherein the magnitude of the overpressure is controlled as a function of the air temperature outside the transmission and/or as a function of the temperature in the transmission interior and/or as a function of the temperature difference between the temperature of the lubricating oil supplied to the transmission and the temperature of the lubricating oil discharged from the transmission.

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: 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 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: A wind energy system comprising a tower, a machine housing which is rotatably arranged on the tower about its axis, receiving a gear mechanism, a generator, a slip ring arrangement, a brake, and a rotor which is mounted in the machine housing and which is provided with at least one rotor blade, wherein the gear mechanism, generator, vertical bearing arrangement, slip ring transmission element and rotor bearing are integrated in the machine housing.

Abstract: A wind energy system comprising a tower, a machine housing which is rotatably arranged on the tower about its axis, receiving a gear mechanism, a generator, a slip ring arrangement, a brake, and a rotor which is mounted in the machine housing and which is provided with at least one rotor blade, wherein the gear mechanism, generator, vertical bearing arrangement, slip ring transmission element and rotor bearing are integrated in the machine housing.

Abstract: The invention relates to a wind turbine having a tower, a nacelle that is mounted on the tower and can be rotated about the axis of the tower, and a rotor which is carried by the nacelle on the lee side and having at least one rotor blade. The flexural strength of the at least one rotor blade permitting the elastic flexure of said blade by more than half of its extension and allowing deflection by more than two thirds of its total length.

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 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 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: A wind power plant with a tower, a gondola carried by the latter so as to rotate about a horizontal 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.