Centrifugal pump anti-air locking system
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United States of America Patent
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Apr 5, 2016
Grant Date -
Feb 21, 2013
app pub date -
Aug 15, 2012
filing date -
Aug 15, 2011
priority date (Note) -
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Abstract
A priming system for preventing air-locking for use on a centrifugal pump having a priming system with a two piece detachable design. This permits the upper portion of the priming system to be removed for routine maintenance. The lower portion of the priming system includes a plurality of primary stationary vanes located longitudinally in the flow path of multi-phase fluids (air and water) which permit the removal of trapped air. Additional removable secondary vanes are located in the flow path after the primary stationary vanes and prior to the intake structure of the centrifugal pump housing. Such multiple vane structure allows the centrifugal pump to pump multi-phase fluids during a wide variety of conditions without air-locking and without requiring any modifications to the centrifugal pump impeller.
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