Electro-hydraulic brake actuating system

Fluid-pressure and analogous brake systems – Multiple fluid-receiving devices – Multiple motors

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Details

188 3R, B60T 1368

Patent

active

040997901

ABSTRACT:
A brake actuating system especially useful for applying the brakes of a towed vehicle concurrently with application of braking pressure in the towing vehicle is provided which includes a variable valve means interconnected to the towed vehicle's conventional type hydraulic brakes. The variable valve means controls the pressure applied to the brakes of the towed vehicle in response to variable electric current which is supplied via a variable current source which is interconnected to the brakes of the towing vehicle. Also provided, is a breakaway safety device which upon physical separation of the towed vehicle from the towing vehicle causes hydraulic pressure to be supplied automatically to the hydraulic brakes of the towed vehicle.

REFERENCES:
patent: 3034598 (1962-05-01), Lafaye
patent: 3077248 (1963-02-01), Wayt
patent: 3350142 (1967-10-01), Schuman
patent: 3768870 (1973-10-01), Howard
patent: 3836205 (1974-09-01), Schwerin
patent: 3880472 (1975-04-01), Lewis et al.
patent: 3887238 (1975-06-01), Bennett

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