Abstract: The present invention relates to a wind turbine comprising a lightning protection system comprising a waveguide interconnecting a communication device and a signal-carrying structure. In other aspects, the present invention relates to the use of a waveguide in a lightning protection system of a wind turbine, a power splitter and its use in a lightning protection system of a wind turbine.

Abstract: The present invention relates to a wind turbine comprising a lightning protection system comprising a waveguide interconnecting a communication device and a signal-carrying structure. In other aspects, the present invention relates to the use of a waveguide in a lightning protection system of a wind turbine, a power splitter and its use in a lightning protection system of a wind turbine.

Abstract: Profiled blade for a fan wheel, with a profile body produced from at least one curved metal strip, whereby adjacent end zones of the at least one metal strip are connected to each other in an adhesively bonded and/or form-fit manner wherein a second end zone at a distance from a second end zone edge is equipped with at least one embossed area for forming a contact surface enabling a first end zone to, at least in sections, be brought into contact with it.

Abstract: A control system for a wind turbine or a wind power park is disclosed, comprising a plurality of control stations arranged in a hierarchical master/slave configuration using a real-time communication system, each comprising a generic control unit in the form of a fully equipped computer module and a generic power module, one of which is arranged to act as a gateway or interface for communication with other control stations one level higher or one level lower in the control station hierarchy, wherein one or more of the control stations further may comprise a dedicated control unit adapted to a specifically assigned control task and/or one or more I/O unit configured to receive inputs from and generate outputs to parts of the wind turbine outside the control system. Furthermore, a wind turbine and a wind power park comprising such a control system are disclosed.

Abstract: The invention relates to a method of dressing both the face and the roundings on a grindstone (4) in a cylindrical grinding machine in one uninterrupted operation. The dressing device includes a pivotably disposed dressing arm (2) mounted in a carriage guide (5, 25) with ball or roller bearings (28). The diamond tip (3), which is mounted on the dressing arm (2), is traversed across the face of the stone (4) by means of a hydraulic cylinder (13) and a connecting rod (16) with a rack and pinion (11, 10). Also connected to the rod (16) is a centering cylinder (14) with a connecting rod (18) and a rack and pinion (12, 10). The rods are driven by two hydraulic motors which can cause linear or turning motion of the carriage. The second motor (14) acts as a damper during turning to insure a smooth transition throughout the curvature.