Non-planar rotor cover for a centrifugal pump
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United States of America Patent
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Aug 13, 2002
Grant Date -
N/A
app pub date -
Apr 5, 2000
filing date -
Apr 5, 2000
priority date (Note) -
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Abstract
A rotor assembly for a centrifugal pump is configured with at least one non-planar outer surface, in either the rotor cover or the rotor, or both, to produce centrifugal forces which exert an inward force on the rotor cover and/or rotor to counterbalance centrifugal pressures and suction pressures exerted on the rotor assembly from within the rotor chamber which cause deleterious deflections of the rotor assembly, thereby limiting the operational speed of the pump, limiting suction pressure and accelerating degradation of the seals associated with the rotor cover.
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