Dual-motor electric drive system for vehicles

Details Dual-motor electric drive system for vehicles Dual-motor electric drive system for vehicles

1994-04-18

1996-04-23

Focarino, Margaret A.

Motor vehicles

Special driving device

Portable track

180 67, 180 644, 180 651, 180 657, 475 2, 475 5, 475 28, 475151, B62D 5500, B60K 600

Patent

active

055094910

ABSTRACT:
A dual-motor electric drive system is particularly suited for driving track-laying vehicles. The propulsion motors of the drive system are each individually selected to provide the speed and torque for selected portions of the operational requirements of the vehicle. The electric drive system utilizes a primary motor to provide the maximum speed requirements and a secondary motor to provide the high torque requirements for low speed operation. The primary and secondary propulsion motors are interconnected by a predetermined drive ratio so that the secondary motor provides torque until it attains a maximum predetermined speed whereupon it is disconnected from the primary motor.

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patent: 5195600 (1993-03-01), Dorgan

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