US PATENT SUBCLASS 417 / 213
.~ Having condition responsive pumped fluid control


Current as of: June, 1999
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417 /   HD   PUMPS

212  DF  CONDITION RESPONSIVE CONTROL OF DRIVE TRANSMISSION OR PUMP DISPLACEMENT {7}
213.~ Having condition responsive pumped fluid control


DEFINITION

Classification: 417/213

(under subclass 212) Apparatus combined with fluid flow control means for varying the flow of pumped fluid to or from the pump or pump chamber, or controlling a relief or bypass which means is also operated by sensing the occurrence of a condition or a change in condition.

(1) Note. See the definition and notes under subclass 279, which notes are also applicable to this subclass.