Drive system for track-laying vehicles

Details Drive system for track-laying vehicles Drive system for track-laying vehicles

1987-09-18

1989-02-14

Wright, Dirk

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74675, F16H 3706

Patent

active

048038970

ABSTRACT:
A drive system for track-laying vehicles utilizes a pair of separate and independent motors to drive a multi-range, infinitely variable steering transmission pursuant to developing two track driving transmission outputs. The transmission includes a pair of interconnected output planetary gears sets which are separately driven by the two motors to develop first range forward and reverse propulsion and steering power at the transmission outputs as sun to carrier reductions. The transmission is shiftable into a second, higher speed range, wherein the two motor outputs are additional combined in one of the output planetary gear sets uniquely constructed to produce second range forward propulsion and steering power, as well as steer cancallation at the transmission outputs.

REFERENCES:
patent: 3383953 (1968-05-01), Christenson
patent: 3799284 (1974-03-01), Hender
patent: 4485691 (1984-12-01), Reed
patent: 4614131 (1986-09-01), Hall, III

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