US PATENT SUBCLASS 417 / 222.2
.~.~.~ With sump pressure actuation

Current as of: June, 1999
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417 /   HD   PUMPS

212  DF  CONDITION RESPONSIVE CONTROL OF DRIVE TRANSMISSION OR PUMP DISPLACEMENT {7}
218  DF  .~ Adjustable cam or linkage {3}
222.1  DF  .~.~ Axial cam {1}
222.2.~.~.~ With sump pressure actuation

DEFINITION

Classification: 417/222.2

(under subclass 222.1) Apparatus in which the adjustable element is operated in response to pressure introduced into the sump.