Pump control for operation on a variable pressure force main
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United States of America Patent
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Feb 6, 2018
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N/A
app pub date -
Sep 14, 2015
filing date -
Sep 12, 2014
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Abstract
A pumping unit and method controlling a variable speed pump to output constant flow rate against varying outlet pressure using a controller with stored data curves of flow rate versus discharge pressure for a plurality of pump speeds for the variable speed pump, including a processor determining appropriate pump speed for the sensed discharge outlet pressure by extrapolating between the stored data curves.
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