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    • 6. 发明授权
    • Rotor blade attachment
    • 转子叶片附件
    • US08133029B2
    • 2012-03-13
    • US12299055
    • 2007-04-20
    • Peter QuellUrs BendelMatthias SchubertCarsten Eusterbarkey
    • Peter QuellUrs BendelMatthias SchubertCarsten Eusterbarkey
    • F03D11/00F03D11/02
    • F03D1/0658F05B2240/12F05B2240/14F05B2240/70F05B2260/301F05B2280/6003F05B2280/6013F05B2280/702F05C2253/04F05C2253/16F05C2253/22Y02E10/721
    • The invention relates to a rotor blade attachment (17), in particular of a wind power plant (1), for the connection of a rotor blade (5) with an attachment device (4), including a transverse pin (20, 20′) and a connecting device (13, 21), which can be brought together to establish an operative connection, wherein the connecting device (13, 21) defines a longitudinal axis. The rotor blade attachment (17) is characterized in that the transverse pin (20, 21′) in the direction of the longitudinal axis of the connecting device has a higher bending stiffness than transversally to the longitudinal axis (18). An alternative rotor blade attachment (17) is characterized in that the transverse pins (20, 20′) are arranged in at least two rows (33, 34), wherein at least a first row (33) is arranged closer to the blade-root-side end (19) of the rotor blade (5) than at least a second row (34). Another rotor blade attachment (17) is characterized in that the transverse pin (20, 20′) is completely encapsulated by the rotor blade (5).
    • 本发明涉及用于将转子叶片(5)与附接装置(4)连接在一起的特别是风力发电设备(1)的转子叶片附件(17),包括横向销(20,20' )和连接装置(13,21),其可以组合在一起以建立操作连接,其中所述连接装置(13,21)限定纵向轴线。 转子叶片附件(17)的特征在于,在连接装置的纵向方向上的横向销(20,21')具有比横向于纵向轴线(18)的横向销更高的弯曲刚度。 替代的转子叶片附件(17)的特征在于横向销(20,20')布置成至少两排(33,34),其中至少第一排(33)布置成更靠近叶片 - 转子叶片(5)的根侧端(19)比至少第二排(34)更高。 另一个转子叶片附件(17)的特征在于横向销(20,20')被转子叶片(5)完全包封。
    • 10. 发明授权
    • Device for monitoring the leakage current of a surge arrester
    • 用于监控避雷器泄漏电流的装置
    • US07336193B2
    • 2008-02-26
    • US10573545
    • 2004-09-16
    • Haiko SchillertMatthias SchubertKai Steinfeld
    • Haiko SchillertMatthias SchubertKai Steinfeld
    • G08B21/00
    • H01C7/126H02H3/048
    • A device for monitoring a leakage current of a surge arrester has a measuring element for detecting a leakage current in a leakage current circuit. A filter assembly filters the leakage current in order to extract a third harmonic oscillation which is evaluated by an evaluation circuit with respect to the value thereof. The evaluation circuit delivers at least one warning signal to a display device. In a preferred embodiment, three display devices operating as a signaling light are provided. A power supply for the used circuits is obtainable by way of a transformer which extracts a necessary auxiliary zero-potential energy contained in the leakage current and with the aid of a main power supply unit connected to the transformer.
    • 用于监测避雷器的漏电流的装置具有用于检测泄漏电流电路中的漏电流的测量元件。 滤波器组件对泄漏电流进行滤波,以提取由评估电路相对于其值评估的三次谐波振荡。 评估电路向显示装置传送至少一个警告信号。 在优选实施例中,提供作为信号灯操作的三个显示装置。 用于所使用的电路的电源可以通过变压器获得,所述变压器提取包含在漏电流中并且借助于连接到变压器的主电源单元所需的辅助零电位能量。