Tractor-trailer brake control system

Details Tractor-trailer brake control system Tractor-trailer brake control system

1987-04-27

1989-04-04

Kashinkow, Andres

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

303 15, 303 969, 303100, 188112R, 280DIG14, B60T 800, B60T 858, B60T 712

Patent

active

048180351

ABSTRACT:
A tractor-(28) trailer (30) vehicle (24) brake system control for distributing the brake effort to obtain inter-tractor-trailer proportional braking (H.sub.1 /V.sub.1 =H.sub.2 /V.sub.2) by use of sensors (170, 172) mounted to the trailer only is provided. The control system senses (80) acceleration (a) and the ratio of vertical to horizontal forces (H.sub.F /V.sub.F) at the fifth wheel (34) by sensors (170, 172) mounted to the tractor (28) only and modulates the brakes to cause the ratio H.sub.F /V.sub.F to equal acceleration.

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