Trailer brake control for towing vehicles having electronic brak

Details Trailer brake control for towing vehicles having electronic brak Trailer brake control for towing vehicles having electronic brak

1990-02-20

1991-03-26

Reger, Duane A.

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

188 3R, 188112R, 303 221, 303100, B60T 720

Patent

active

050023438

ABSTRACT:
An electronic braking system for a towing vehicle for towing a standard semi-trailer without such a braking system has a separate pressure control channel for the generation of trailer brake pressure whenever the towing vehicle is braked or if the parking brake of the towing vehicle is applied. The pressure signal level set in the towing vehicle is a function of the driver's electrical demand signal, compensated for trailer load and operating gradient. The compensation for trailer load is evaluated by assessing the total trailer mass from measurements of towing load during acceleration and substracting from this value the portion of the trailer load being supported by the towing vehicle as sensed by vertical force protection means on the towing means.

REFERENCES:
patent: 4763958 (1988-08-01), hrgard
patent: 4804234 (1989-02-01), Gee et al.
patent: 4818035 (1989-04-01), McNinch, Jr.

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