US PATENT SUBCLASS 477 / 59
.~.~.~ With hydrodynamic braking

Current as of: June, 1999
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477 /   HD   INTERRELATED POWER DELIVERY CONTROLS, INCLUDING ENGINE CONTROL

34  DF  TRANSMISSION CONTROL {15}
52  DF  .~ Including fluid drive {2}
53  DF  .~.~ Impeller-turbine-type {8}
59.~.~.~ With hydrodynamic braking

DEFINITION

Classification: 477/59

With hydrodynamic braking:

(under subclass 53) Subject matter wherein an impeller-turbine unit is utilized to retard rotation of a load*.

SEE OR SEARCH CLASS

475, Planetary Gear Transmission Systems or Components,

113, for impeller-turbine units used as brakes for elements of planetary gear sets.