US PATENT SUBCLASS 417 / 162
.~.~ Interrelated overflow and motive fluid valves

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}
162.~.~ Interrelated overflow and motive fluid valves

DEFINITION

Classification: 417/162

(under subclass 151) Apparatus having a valved waste passage to conduct pumped fluid which has been entrained away from the device and is also provided with a valve to control flow of motive fluid to the jet, there being means provided which upon actuation of one of the valves causes or prevents actuation of the other.