US PATENT SUBCLASS 417 / 301
.~ Inlet pressure increase opens bypass from pump inlet to discharge

Current as of: June, 1999
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417 /   HD   PUMPS

279  DF  WITH CONDITION RESPONSIVE PUMPED FLUID CONTROL {22}
301.~ Inlet pressure increase opens bypass from pump inlet to discharge

DEFINITION

Classification: 417/301

(under subclass 279) Apparatus in which the fluid flow control means comprises a valve in a bypass passage around the pump, which valve is responsive to an increase in the inlet passage to permit fluid to flow from the inlet to the discharge side of the pump.