Drehverbindung und Verfahren zu deren Herstellung

Source: WO14195357A1 [EN] The invention relates to a rotary union (1) for blade angle adjustment of a rotor blade (2) relative to a rotor hub (3) of a wind power plant (4), comprising a bearing (5) having a bearing inner ring (6) and a bearing outer ring (7), wherein one bearing ring is connected in a rotationally fixed manner to the blade root of the rotor blade (2) and a different bearing ring is connected in a rotationally fixed manner to the rotor hub (3), characterized in that at least one bearing ring is connected to the rotor blade (2) and/or the rotor hub (3) in a firmly bonded manner. The invention further relates to a method for producing said rotary union. According to the invention, a permanent connection is enabled between the rotor hub (3) and the rotor blade (2), for example.