US PATENT SUBCLASS 477 / 35
.~ Differential transmission


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

34  DF  TRANSMISSION CONTROL {15}
35.~ Differential transmission


DEFINITION

Classification: 477/35

Differential transmission:

(under subclass 34) Subject matter wherein the gear transmission* is of the planetary-type having at least three relatively rotatable elements, one element constituting an input and the other two outputs, such that a change in speed in one of the outputs has a direct effect on the speed of the other output.

SEE OR SEARCH CLASS

180, Motor Vehicles,

197, for wheel slip control during vehicle acceleration by reducing power to wheel; and subclasses 248+ for four-wheel drive with differential, where there is significant vehicle structure.

475, Planetary Gear Transmission Systems or Components, for planetary gear transmission, per se, and particularly

220+, for differential transmissions.