Pump and valve actuator system and method
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United States of America Patent
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N/A
Issued Date -
Apr 26, 2007
app pub date -
Oct 20, 2005
filing date -
Oct 20, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A double diaphragm pump including a dual spool valve actuator. A set of piston/diaphragm assemblies can be coupled to a pilot spool valve, which can direct air flow to a main spool valve. The main spool valve can direct air flow to pump chambers. Components of the pump can be manufactured by injection molding and press-fit together. The pump can include lens-shaped ports and positive-return poppet valves.
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