Gas pressure driven fluid pump having magnetic valve control mechanism and method
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United States of America Patent
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Aug 30, 2005
Grant Date -
N/A
app pub date -
Feb 26, 2003
filing date -
Dec 23, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A gas pressure driven fluid pump comprising a pump tank having a liquid inlet and a liquid outlet. A float, carried within the interior of the pump tank, is operable to move between a low level position and a high level position. A snap-acting valve control mechanism uses magnetic interaction to switch between exhaust porting and motive porting. Fluid exiting the pump tank causes the float to fall from the high level position to the low level position due to introduction of motive gas during motive porting. Exhaust porting begins when the float falls to the low level position.
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Family
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