US PATENT SUBCLASS 417 / 194
.~.~ With means to whirl 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}
194.~.~ With means to whirl pumped fluid

DEFINITION

Classification: 417/194

(under subclass 151) Apparatus having means to impart to the pumped fluid a whirling or helical motion prior to its being entrained by the motive fluid.