Electrical brake control system

Details Electrical brake control system Electrical brake control system

1974-11-15

1976-09-21

Kunin, Stephen G.

Fluid-pressure and analogous brake systems

Electric control

188 3R, 303 7, B60T 1374

Patent

active

039815420

ABSTRACT:
An electrical brake control system for a towed vehicle having an electric brake, where the control system is actuated by the hydraulic brake system in the towing vehicle. The electrical brake control system includes a hydraulic pressure transducer having a hydraulic input connected to the hydraulic brake system of the towing vehicle and an electrical output proportional to the hydraulic pressure developed by the hydraulic system. A comparator circuit has first and second inputs and an output. A circuit connects the first input to the electrical output of the hydraulic pressure transducer and a second circuit connects the output from the comparator circuit to the electrically operated brake in the towed vehicle. A feedback system connects the electrically operated brake to the second input of the comparator circuit such that the comparator circuit always maintains the feedback voltage to the second input substantially identical with the voltage of the first input.

REFERENCES:
patent: 3350142 (1967-10-01), Schuman
patent: 3497266 (1970-02-01), Umpleby
patent: 3507542 (1970-04-01), Cannella
patent: 3738710 (1973-06-01), Pokrinchak et al.
patent: 3790225 (1974-02-01), Wehde
patent: 3836205 (1974-09-01), Schwerin

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