US PATENT SUBCLASS 475 / 101
.~.~.~.~.~ Pump pressure engages mechanical clutch

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}
91  DF  .~ Fluid resistance inhibits relative rotation {5}
93  DF  .~.~ Valve inhibits fluid flow {7}
99  DF  .~.~.~ Interrelated valve control and mechanical clutch or brake {1}
100  DF  .~.~.~.~ Valve control and mechanical clutch {1}
101.~.~.~.~.~ Pump pressure engages mechanical clutch

DEFINITION

Classification: 475/101

Pump pressure engages mechanical clutch:

(under subclass 100) Subject matter wherein the valve controls the outlet of a fluid pressurizing device which in turn retards rotation of a planetary element and the pressurized fluid provides the force to engage a mechanical clutch*. [figure]