US PATENT SUBCLASS 417 / 44.3
.~.~.~ Inlet pressure

Current as of: June, 1999
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417 /   HD   PUMPS

1  DF  CONDITION RESPONSIVE CONTROL OF PUMP DRIVE MOTOR {22}
44.1  DF  .~ By control of electric or magnetic drive motor {3}
44.2  DF  .~.~ Responsive to pump fluid pressure {7}
44.3.~.~.~ Inlet pressure

DEFINITION

Classification: 417/44.3

Inlet pressure:

(under subclass 44.2) Apparatus wherein the sensing means is located at an inlet side of the pump.