Magnetic drive pump
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United States of America Patent
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Apr 12, 2011
Grant Date -
Oct 18, 2007
app pub date -
Apr 10, 2007
filing date -
Apr 12, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A magnetic drive pump includes a pump chamber including an inlet port and an outlet port, a partition wall separating the pump chamber from an exterior, a rotational shaft provided at a side of the pump chamber relative to the partition wall, an impeller rotatably supported by a first end of the rotational shaft, an inductor integrally fixed to the impeller to rotate, a magnetic member positioned radially outside of the partition wall and facing the inductor, the magnetic member rotatably supported, a rotation drive device fixed to the magnetic means and actuating the magnetic member to rotate, and a drive device moving at least one of the magnetic member and the inductor in an axial direction of the rotational shaft.
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