Reciprocating pump flow control
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United States of America Patent
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Feb 3, 2015
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N/A
app pub date -
Aug 23, 2011
filing date -
Aug 24, 2010
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Abstract
A multi-throw reciprocating pump is provided. The pump provides active stroke control. Fluid flow is controlled by canceling out at least a portion of a discharge stroke of one plunger with a suction stroke of another plunger. Controlling the degree to which the discharge stroke is cancelled out is used to control the actual volume of fluid being pumped.
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