US PATENT SUBCLASS 417 / 284
.~ Bypass or relief valve carried by movable pumping member

Current as of: June, 1999
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417 /   HD   PUMPS

279  DF  WITH CONDITION RESPONSIVE PUMPED FLUID CONTROL {22}
284.~ Bypass or relief valve carried by movable pumping member

DEFINITION

Classification: 417/284

(under subclass 279) Apparatus in which a movable pumping

member is provided with a bypass or relief passage and the fluid flow control means controlling such passages is carried by the pumping member.