| 摘要 |
In a centrifugal pump, a pumping section comprising a circular conduit has an input section subtending an arc on the circle. A plurality of channels connect the input section to an input conduit subtending an arc of a circle smaller than and concentric with or parallel to and vertically displaced from the circle defined by the pumping section. An output section subtends an arc defined by a circle concentric with and larger than the pumping section or vertically displaced therefrom. An impeller comprising vanes mounted on an annular disk is mounted in the pumping section and has magnetically saturable sections angularly spaced thereon driven by coils surrounding the pumping section and angularly spaced therealong.
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