Gas pressure driven fluid pump having an electronic cycle counter and method
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United States of America Patent
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Feb 28, 2006
Grant Date -
Oct 13, 2005
app pub date -
Apr 7, 2004
filing date -
Apr 7, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A gas pressure driven fluid pump having an electronic cycle counter. The pump has a pump tank with a liquid inlet and a liquid outlet. A switching mechanism is operative within the pump tank for switching to exhaust porting when the fluid level within the pump tank falls to a low level position and switching to motive porting when the fluid level within the pump tank rises to a high level position. An electrical counter circuit is operatively connected to the pump tank for incrementing a stored count in response to the fluid level within the pump tank rising to a predetermined level.
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Family
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