| 20100247311 | WIND ENERGY SYSTEM - The invention relates to a wind energy system comprising a tower, a nacelle attached to the tower, the interior of which can be entered, a rotor that is rotatable relative to the nacelle, with a hub, the interior of which adjoins the nacelle interior and is accessible from this via a connecting passage, and comprising a rotor stop mechanism, with which rotor rotation can be enabled in a released position and blocked in a locked position, wherein a warning device, which is controlled on the basis of the position of the rotor stop mechanism, and which can emit a warning signal against accessing the hub interior when the rotor stop mechanism is in the released position [sic—Translator]. | 09-30-2010 |