Magnetic drive pump
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United States of America Patent
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N/A
Issued Date -
Apr 16, 2009
app pub date -
Sep 30, 2008
filing date -
Oct 16, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
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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