US PATENT SUBCLASS 475 / 89
.~.~ Fluid resistance controls relative rotation of outputs

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}
89.~.~ Fluid resistance controls relative rotation of outputs {1}
90  DF  .~.~.~> Fluid pumped by differential gears

DEFINITION

Classification: 475/89

Fluid resistance controls relative rotation of outputs:

(under subclass 84) Subject matter wherein fluid in contact with relatively rotatable parts of the differential transmission* is effective to retard such relative rotation. [figure]