SELF CLEANING PNEUMATIC FLUID PUMP HAVING POPPET VALVE WITH PROPELLER-LIKE CLEANING STRUCTURE
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United States of America Patent
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Issued Date -
Sep 16, 2021
app pub date -
Aug 2, 2019
filing date -
Aug 3, 2018
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status (Latency Note)
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Abstract
The present disclosure relates to a pneumatically driven pump for pumping a fluid. The pump may have a pump housing configured to receive a pressurized fluid signal. An inlet screen may be included at an end of the pump housing for admitting fluid therethrough into an interior area of the pump housing. An inlet casting may be included which is disposed within the pump housing adjacent the inlet screen. A poppet valve may be included which is configured to seat against the inlet casting. The poppet valve may have a propeller structure for creating a fluid pulse when the poppet valve seats, which helps to dislodge particles that have collected on the inlet screen, and thus help to maintain the inlet screen in a clean condition.
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