ROTOR OF A WIND TURBINE
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United States of America Patent
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app pub date -
Jun 3, 2014
filing date -
Jul 18, 2013
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Abstract
The invention relates to a rotor of a wind turbine, comprising a rotor hub (8), which has at least one rotor blade (9, 10) protruding perpendicularly to the rotor axis (7), which at least one rotor blade can be adjusted in an angular range about the blade axis (11, 12) of the rotor blade with respect to the the blade bearing point (32) of the blade in the hub (8), and at least one sensor (18), which is connected to at least one evaluating unit (19) arranged in the hub (8) by means of a rotatable cable connection (20) suitable for energy transmission and/or communication. The cable connection (20) has at least one or more guiding elements (23). The guiding element (23) has one fastening point (24, 25) each in the rotor hub and in the rotor blade and comprises at least one element (26, 29) that is elastic in tension. The invention is characterized in that the guiding element (23) can be stressed and relaxed and can be detached at at least one fastening point (24, 25), and means (38) are provided for registering a malfunction of the cable connection (20) in the event of a fault.
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