US PATENT SUBCLASS 475 / 88
.~.~.~ Operated by a pump responsive to differential action

Current as of: June, 1999
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475 /   HD   PLANETARY GEAR TRANSMISSION SYSTEMS OR COMPONENTS

31  DF  FLUID DRIVE OR CONTROL OF PLANETARY GEARING {11}
84  DF  .~ Control of differential planetary gearing {3}
86  DF  .~.~ By fluid operated mechanical clutch {2}
88.~.~.~ Operated by a pump responsive to differential action

DEFINITION

Classification: 475/88

Operated by a pump responsive to differential action:

(under subclass 86) Subject matter wherein the mechanical clutch is controlled by fluid from a pressure source, such source being activated in response to relative rotation of the outputs of the differential transmission*.