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    • 8. 发明授权
    • Hall effect monitoring of wear of bearing supporting a rotor within a
stationary housing
    • 霍尔效应监测轴承内支撑固定外壳内的转子的磨损
    • US5336996A
    • 1994-08-09
    • US933336
    • 1992-08-21
    • Dennis M. Rusnak
    • Dennis M. Rusnak
    • F04D13/02F04D15/00F04D29/04F04D29/041F04D29/047F16C17/24G01B7/14G01M13/04G01P3/44G01P3/487F04B51/00
    • F04D29/0413F04D13/024F04D15/0088F04D29/047F16C17/24G01B7/144G01M13/04G01P3/443G01P3/487F04B2201/1207
    • An apparatus is provided for monitoring a rotor mounted for rotation by bearings within a stationary housing of an apparatus, such as a sealless pump. In a first embodiment, the monitoring apparatus includes at least one magnet mounted on the circumference of the rotor and a plurality of hall effect devices which sense magnetic flux density as the rotor rotates to generate signals representative of radial and axial bearing wear as well as signals representative of the direction of rotation of the rotor. In a further embodiment, the monitoring apparatus includes magnetic material mounted in one or more locations around the rotor or entirely around the rotor and a plurality of hall effect devices and associated magnets mounted within the stationary housing and surrounding the rotor. The monitoring apparatus further includes a monitor for monitoring the amount of electrical power driving the pump as well as a monitor for monitoring the temperature of a containment shell which encloses the rotor within the sealless pump.
    • 提供了一种装置,用于监测安装在通过诸如无密封泵的装置的固定壳体内的轴承旋转的转子。 在第一实施例中,监视装置包括安装在转子圆周上的至少一个磁体和多个霍尔效应装置,当转子旋转时,该霍尔效应装置可感测磁通密度,以产生代表径向和轴向磨损的信号以及信号 代表转子旋转方向。 在另一实施例中,监测装置包括安装在转子周围的一个或多个位置或整个围绕转子的磁性材料以及安装在固定壳体内并围绕转子的多个霍尔效应装置和相关磁体。 该监视装置还包括用于监视驱动泵的电力量的监视器以及用于监视在无密封泵内包围转子的容纳壳体的温度的监视器。