Anti-skid control system for use in motor vehicle

Details Anti-skid control system for use in motor vehicle Anti-skid control system for use in motor vehicle

1989-07-13

1990-11-13

Olszewski, Robert P.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

303108, 303116, B60T 800, B60T 868

Patent

active

049696963

ABSTRACT:
An anti-skid control system for use in a motor vehicle includes a two-position type control valve for performing increase and decrease in the braking pressure supplied to a wheel braking cylinder for braking a wheel of the motor vehicle. The control valve is operated in accordance with a signal indicative of a duty ratio from an electronic control unit. The electronic control unit estimates a balanced duty ratio whereby the current braking pressure in the wheel braking cylinder is maintained as it is and determines the duty ratio on the basis of the estimated balanced duty ratio in accordance with the locking state of the wheel.

REFERENCES:
patent: 3637264 (1972-01-01), Leiber et al.
patent: 3880474 (1975-04-01), Scharlack
patent: 3953083 (1976-04-01), Latvala et al.
patent: 4099793 (1978-07-01), Iio
patent: 4611859 (1986-09-01), Otsuki et al.
patent: 4749239 (1988-06-01), Onogi et al.
patent: 4800498 (1989-01-01), Matsui et al.
patent: 4807941 (1989-02-01), Onogi et al.

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