US PATENT SUBCLASS 417 / 43
.~ Responsive to change in rate of pump fluid flow


Current as of: June, 1999
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417 /   HD   PUMPS

1  DF  CONDITION RESPONSIVE CONTROL OF PUMP DRIVE MOTOR {22}
43.~ Responsive to change in rate of pump fluid flow


DEFINITION

Classification: 417/43

(under subclass 1) Subject matter in which the sensing means is responsive to variations in the rate of flow of the fluid flowing to or from the pump.