Patent ID: 8290679
Filing Date: 2012-10-16
Classification: B60T

Abstract:
1. An electrically controlled anti-jackknifing brake system of a tractor vehicle, said tractor vehicle being connectable to a trailer vehicle, said brake system operable to brake only brakes of said trailer vehicle, said anti-jackknifing brake system comprising a manually operable electrical operating element for actuating said brake system, said electrical operating element being operable to generate an electrical operating element signal to control a trailer control valve to influence braking force of said brakes of said trailer vehicle, said electrical operating element signal being at least one of (a) a data bus message and (b) transformable into a data bus message by at least one of (i) a parking brake modulator and (ii) a control device associated with said parking brake modulator and (iii) an electronic control unit; and a brake-control module for controlling brake pressure in at least one of brakes of said tractor vehicle and said brakes of said trailer vehicle, said brake-control module being operable to evaluate said data bus message, generate an electrical anti-jackknifing brake control signal as a function of said data bus message and transmit said data bus message to said trailer control valve to influence braking force of said brakes of said trailer vehicle.