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    • 3. 发明授权
    • Centrifugal fluid pump and control device for operating the same
    • 离心流体泵及其操作控制装置
    • US06398506B1
    • 2002-06-04
    • US09625046
    • 2000-07-24
    • Jun MaekawaTakayoshi Ozaki
    • Jun MaekawaTakayoshi Ozaki
    • F04B4900
    • F04C2/3442A61M1/101A61M1/1015A61M1/1036A61M1/1086A61M2205/3334F04D13/027F04D13/06F04D15/0245
    • A centrifugal fluid pump assembly includes a centrifugal fluid pump and a control device. The centrifugal fluid pump comprises a pump section including a housing and an impeller having a first magnetic material and a second magnetic material and accommodated for rotation in the housing and without contacting the housing, an impeller rotational torque generating section including a rotor having a magnet for attracting the first magnetic material of the impeller and a motor for rotating the rotor, and an impeller position control section having an electromagnet for attracting the second magnetic material of the impeller. The control device has a function of limiting an input of a number of rotations of the motor more than a predetermined number of rotations or limiting an input of a motor-driving current having a value more than a predetermined value.
    • 离心式流体泵组件包括离心流体泵和控制装置。 离心流体泵包括泵部分,其包括壳体和叶轮,该叶轮具有第一磁性材料和第二磁性材料,并被容纳在壳体中并且不与壳体接触;叶轮旋转扭矩产生部分,包括具有磁体的转子, 吸引叶轮的第一磁性材料和用于旋转转子的电动机,以及具有用于吸引叶轮的第二磁性材料的电磁体的叶轮位置控制部。 控制装置具有限制电动机的转数的输入超过预定转数或限制具有大于预定值的电动机驱动电流的输入的功能。