US PATENT SUBCLASS 417 / 163
.~.~ Successive introduction of motive 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}
151  DF  .~ Jet {23}
163.~.~ Successive introduction of motive fluid {6}
164  DF  .~.~.~> With interstage cooling
165  DF  .~.~.~> Individually controlled motive fluid flows {1}
167  DF  .~.~.~> Central and peripheral motive fluid supply
168  DF  .~.~.~> One motive fluid flow surrounds nozzle tube of another
169  DF  .~.~.~> Laterally spaced parallel motive fluid flows
170  DF  .~.~.~> In-line motive fluid flows

DEFINITION

Classification: 417/163

(under subclass 151) Apparatus in which a first stream of motive fluid acts to entrain pumped fluid and then a second stream of motive fluid from the same or different sources as the first acts to entrain the combined motive and pumped fluid from the first entrainment.