A WIND TURBINE WITH A ROTOR COMPRISING A HOLLOW KING PIN
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United States of America Patent
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app pub date -
Mar 18, 2016
filing date -
Mar 30, 2015
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Abstract
A wind turbine (11) comprising a tower structure (12, 13) and two or more rotors (1). Each rotor (1) comprises a hollow king pin (2) and a hub (4) carrying one or more rotor blades (14). The hollow king pin (2) is formed in a single cylindrical piece, and is mounted on the tower structure (12, 13). The hub (4) is rotatably mounted on the hollow cylindrical king pin (2). A generator (6) is operationally coupled to the hub (4) in such a manner that rotational movements of the hub (4) are transferred to the generator (6). The tower structure comprises a main tower part (12) being anchored, at a lower part, to a foundation structure, and at least two arms (13), each arm (13) extending away from the main tower part (12) along a direction having a horizontal component. Each arm (13) carries at least one rotor (1).
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