Secondary braking control

Details Secondary braking control Secondary braking control

1998-06-04

1999-10-26

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Speed-controlled

With failure responsive means

188358, 303 14, 3031132, 3031161, 303DIG11, 303166, 303 10, 303DIG4, 303155, 3031141, 3031134, B60T 1516

Patent

active

059715022

ABSTRACT:
A secondary source of braking for large hydraulically braked vehicles utilizing the available power source (38) provided by typically available anti-skid and traction control braking systems. The invention improves the time response of a secondary braking traction control system by utilizing stored fluid in the low pressure anti-skid braking system accumulators (34) to provide for faster build of pressure by the pump motor (38). Fluid is stored and utilized based on vehicle behavior and operational states and is based upon the principal the traction control, anti-skid braking and secondary braking requirements are generally mutually exclusive. This allows for a decreased response time of the secondary braking system and also provides for improved initial cycle response of typical traction control events that utilize the system configuration.

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