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    • 1. 发明授权
    • Arrangement for suppressing high frequency currents in bearings of shafts
    • 抑制轴轴承高频电流的布置
    • US4268758A
    • 1981-05-19
    • US69993
    • 1979-08-27
    • Hans-Christian Grassmann
    • Hans-Christian Grassmann
    • F16C19/52H04B15/02H03H1/00
    • H04B15/02F16C19/52
    • In order to suppress the high-frequency currents in bearings of shafts, the bearing capacity is arranged in the configuration of an electric quadrupole in such a manner that the high frequency voltage becomes a minimum. In the case of ungrounded shafts, a further impedance is provided between the bearing housing and the housing of the treatment chamber such that the sum of this further impedance and the impedance of the shaft are great compared to the bearing impedance. Additionally, a low resistance in the form of a sliding contact is shunted across the bearing impedance. The further impedance according to one embodiment is a capacitance and in another embodiment is a parallel L-C resonant circuit which is connected in series with the bearing. The capacitance of the L-C circuit is formed by an insulating plate and the inductance by a winding.
    • 为了抑制轴的轴承中的高频电流,承载能力以高频电压变为最小的方式配置为四极电极的结构。 在未接地轴的情况下,在轴承壳体和处理室的壳体之间提供另外的阻抗,使得与轴承阻抗相比,该进一步的阻抗和轴的阻抗之和是很大的。 此外,滑动触点形式的低电阻在轴承阻抗上分流。 根据一个实施例的另外的阻抗是电容,在另一个实施例中是与轴承串联连接的并联L-C谐振电路。 L-C电路的电容由绝缘板和绕组的电感形成。