Electric drive system for track-laying vehicles

Details Electric drive system for track-laying vehicles Electric drive system for track-laying vehicles

1991-07-11

1993-03-23

Marmor, Charles A.

Motor vehicles

Special driving device

Portable track

180 652, 180305, 180 62, 475 5, 475 27, 475 28, B62D 5500

Patent

active

051956004

ABSTRACT:
An electric drive system for tracklaying vehicles includes a pair of electric motors and an infinitely variable speed, hydromechanical steering transmission including a pair of hydrostatic propulsion units and a plurality of planetary gears sets. The hydrostatic units are driven by one or both of the electric motors to produce separate hydrostatic propulsion outputs which are combined with the mechanical outputs of the motors by the planetary gear sets to generate separate hydromechanical propulsion outputs on right and left transmission output shafts for vehicle propulsion and steer in two speed ranges.

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patent: 4928552 (1990-05-01), Gabriele
patent: 4997412 (1991-03-01), Reed
patent: 5030177 (1991-07-01), Reed
patent: 5041064 (1991-08-01), Eickhoff et al.

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