System for determining the flow rate in a fluid with liquid additives using reciprocating positive-displacement flow meter
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United States of America Patent
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Jan 14, 2014
Grant Date -
Aug 1, 2013
app pub date -
Jan 31, 2012
filing date -
Jan 31, 2012
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Abstract
System for determining the flow rate of a fluid and for controlling flow rates. The system provides high resolution with infinite turndown, providing a flow meter which may be used in low flow situations and with fluid additives. The flow rate of an additive fluid is determined in real time with high resolution by providing a novel reciprocating positive-displacement flow meter using magnetically coupled components and a transducer to identify the flow rate of the fluid. A system and method may be incorporated into a flow control system for monitoring the flow rate of a fluid which may be included with an additive delivery system for use with the flowing supply of an additive to be introduced into a flow of untreated fluid in relatively minute quantities.
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