US PATENT SUBCLASS 417 / 177
.~.~ Annular motive fluid stream entrains pumped fluid outside and inside

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}
177.~.~ Annular motive fluid stream entrains pumped fluid outside and inside

DEFINITION

Classification: 417/177

(under subclass 151) Apparatus in which the motive fluid is projected into the entrainment area in the form of a continuous annulus and pumped fluid is entrained both outwardly and inwardly of the motive fluid annulus.