US PATENT SUBCLASS 417 / 91
.~.~.~ Diverse pump motor exhaust is aeration fluid

Current as of: June, 1999
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417 /   HD   PUMPS

65  DF  ONE FLUID PUMPED BY CONTACT OR ENTRAINMENT WITH ANOTHER {10}
85  DF  .~ Diverse pumps {3}
90  DF  .~.~ Including aerated column {1}
91.~.~.~ Diverse pump motor exhaust is aeration fluid

DEFINITION

Classification: 417/91

(under subclass 90) Apparatus in which the diverse pump is driven by an internal combustion engine or fluid motor, the exhaust motive fluid or combustion products from the motor constituting the gas which is injected into the liquid column.

SEE OR SEARCH THIS CLASS, SUBCLASS:

88, for a jet pump in which the jet motive fluid is the exhaust from an internal combustion engine or fluid motor which drives a pump different from the jet pump.