Electric motor drive for trackless vehicles

Details Electric motor drive for trackless vehicles Electric motor drive for trackless vehicles

1975-04-23

1976-10-05

Hohauser, Herman T.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318139, 180 65R, 192 02R, 74866, H02P 506

Patent

active

039847420

ABSTRACT:
A drive by means of an electric motor for trackless vehicles, in which the rotational speed adjustment takes place by changing the field energization of the electric motor, and with a separating clutch connected behind the motor as well as a change-speed transmission having at least two speeds in the foward driving direction; an energizing current controller for the field winding is provided whose energizing current-desired value is predetermined by another current controller to which are fed, on the one hand, the actual value of the armature current and, on the other, a desired value which is determined by the drive and/or brake pedal when the separating clutch is not actuated, and which is automatically determined by a synchronizing controller or is set to zero during the actuation of the separating clutch.

REFERENCES:
patent: 3182742 (1965-05-01), Don
patent: 3628621 (1971-12-01), Lee
patent: 3755724 (1973-08-01), Anderson

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