GAS-DRIVEN LIQUID PUMP
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United States of America Patent
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N/A
Issued Date -
Nov 20, 2008
app pub date -
Dec 19, 2007
filing date -
May 18, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A gas-driven liquid pump includes a gas source, a tank, a pumping pipe, at least one gas conveying pipe, and at least one liquid conveying pipe. The pumping pipe includes a gas input end, a liquid output end and a suction portion located between the gas input end and the liquid output end. An inner diameter of the pumping pipe gradually decreases from the gas input end to the suction portion, and the inner diameter of the pumping pipe gradually increases from the suction portion to the liquid output end. At least one gas conveying pipe is configured for connecting the gas source and the gas input end of the pumping pipe. One end of the liquid conveying pipe is connected to the tank, and another end is engaged with the suction portion of the pumping pipe.
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