US PATENT SUBCLASS 166 / 105.6
.~.~ Gas fed to entrainment type pump

Current as of: June, 1999
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166 /   HD   WELLS

105  DF  WITH EDUCTION PUMP OR PLUNGER {5}
105.5  DF  .~ Having liquid-gas separator {1}
105.6.~.~ Gas fed to entrainment type pump

DEFINITION

Classification: 166/105.6

(under subclass 105.5) Devices in which there is a pump of the type which liquid is pumped by being displaced or carried by a gas (e.g., jet, aerated column, etc.), and the gas separating or collecting structure includes means for directing the gas to the pump to act as a pumping fluid for the liquid.