US PATENT SUBCLASS 417 / 174
.~.~ Successive entrainment of pumped 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}
174.~.~ Successive entrainment of pumped fluid

DEFINITION

Classification: 417/174

(under subclass 151) Apparatus in which motive fluid acts to entrain pumped fluid and then the combined motive and pumped fluid stream acts to further entrain additional fluid to be pumped at a point downstream of the first entrainment.