US PATENT SUBCLASS 417 / 191
.~.~.~.~ Pressure controlled

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}
182  DF  .~.~ Regulation {7}
190  DF  .~.~.~ Pumped fluid inlet valve {1}
191.~.~.~.~ Pressure controlled

DEFINITION

Classification: 417/191

(under subclass 190) Apparatus in which the pumped fluid controlling means acts in response to variation of fluid pressure which is caused by the operation of the jet pump.