Antiskid brake control device

Details Antiskid brake control device Antiskid brake control device

1988-07-06

1989-08-22

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

303100, 303108, 303 95, 303 97, 36442602, B60T 860

Patent

active

048590029

ABSTRACT:
An antiskid brake control device including a hydraulic controller, a timer for measuring time periods for reducing, increasing and holding a hydraulic pressure, a counter for counting the number of changeover between increase and holding of the hydraulic pressure, a calculating device for calculating a vehicle speed, a decision device for discriminating an average vehicle deceleration into finite steps, a discrimination device for discriminating into finite steps, the time period for reducing the hydraulic pressure, a storage for storing the time periods for increasing and holding the hydraulic pressure and a changeover device for performing, when the wheels have recovered from locking, changeover between increase and holding of the hydraulic pressure in accordance with the time periods for increasing and holding the hydraulic pressure.

REFERENCES:
patent: 4209203 (1980-06-01), Brearley
patent: 4212499 (1980-07-01), Jones
patent: 4320460 (1982-03-01), Brearley et al.
patent: 4517647 (1985-05-01), Harada et al.
patent: 4530059 (1985-07-01), Brearley et al.
patent: 4660146 (1987-04-01), Kubo
patent: 4663715 (1987-05-01), Kubo
patent: 4704684 (1987-11-01), Kubo

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