Double diaphragm pump and related methods
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United States of America Patent
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May 18, 2010
Grant Date -
Apr 5, 2007
app pub date -
Jul 11, 2006
filing date -
Jul 13, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A pump for transferring a process fluid has a first pump chamber and a second pump chamber. A motive fluid actuates the pump chambers and control flow valves. The direction of process fluid flow is controlled by varying the amounts of pressure or the use of a vacuum. The control flow valves utilize diaphragms for actuation.
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