US PATENT SUBCLASS 417 / 189
.~.~.~.~ 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}
187  DF  .~.~.~ By controlling motive fluid {2}
189.~.~.~.~ Pressure controlled

DEFINITION

Classification: 417/189

(under subclass 187) Apparatus in which the motive fluid controlling means acts in response to variation of fluid pressure which is incident to the operation of the jet pump.