| 摘要 |
A magnetic drive pump includes a pump chamber, a partition wall separating the pump chamber from an exterior portion, an impeller disposed in the pump chamber and rotating around a rotation axis, an inductor unitarily rotating with the impeller around the rotation axis, a magnet unit disposed at a position of the exterior portion separated by the partition wall where the magnet unit faces the inductor in a radial direction of the rotation axis, the magnet unit being rotatable around the rotation axis, and a rotation driving means driving the magnet unit to rotate, wherein a displacement mechanism is provided for changing a radial distance between the magnet unit and the inductor.
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