VACUUM ASSISTED PUMP WITH INTEGRATED INSTRUMENTATION AND CONTROL SYSTEM FOR SLURRY, SLUDGE AND SOLID LADEN FLUIDS
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United States of America Patent
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Issued Date -
Dec 3, 2015
app pub date -
Mar 15, 2013
filing date -
Dec 4, 2012
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Abstract
Pump system for pumping a fluid product including slurry, sludge or solid laden fluids. It includes a pump body for receiving the fluid product with a product inlet and a product outlet with respective one-way check valves; a liquid inlet for communicating a liquid source with the pump body; a vacuum inlet for communicating a vacuum source with the pump body; a product detector for detecting at least one parameter of the fluid product inside the pump body; and a control system for controlling operation of the liquid source, the vacuum source and the product detector. The product detector includes a radio frequency level detector for detecting a level of the fluid product inside the pump body by emitting radio frequency signals that are received by the control system.
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