Apparatus and method of controlling braking of an automotive veh

Details Apparatus and method of controlling braking of an automotive veh Apparatus and method of controlling braking of an automotive veh

1985-06-06

1987-04-14

Caldwell, Sr., John W.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

303 96, 303111, 303DIG4, B60T 860

Patent

active

046573143

ABSTRACT:
To maintain stability of operation of a vehicle entering a curve, for example with excessive speed upon entering the curve, and application of the vehicle brakes by the operator, the braking effort (P.sub.HA) applied to the rear wheels or rear axle of the vehicle is controlled to be at a low and constant level, substantially below the braking effort (P.sub.VL, P.sub.VR) applied to the front wheels of the vehicle, and for a limited period of time (t), which may be a predetermined time duration, under control of a timing element (4), or which may depend on counted braking cycling events, of braking effort applied to the front wheels, for example under control of an anti-brake locking or blocking system (ABS). For example, a counter (8) may count two cycles of operation of the ABS and then release the low, constant braking effort phase applied to the rear wheels of the vehicle. Stability of operation of the vehicle, in the curve, is thus maintained.

REFERENCES:
patent: 3637264 (1972-01-01), Leiber et al.
patent: 3754797 (1971-11-01), Rodi et al.
patent: 3791702 (1974-02-01), Barckhardt et al.
patent: 3797892 (1972-04-01), Leiber
patent: 3966264 (1976-06-01), Mattori et al.

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