Hydraulic brake for vehicles

Details Hydraulic brake for vehicles Hydraulic brake for vehicles

1984-08-13

1986-12-02

Reger, Duane A.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

188292, B60T 8087

Patent

active

046260447

ABSTRACT:
A hydraulic brake having an electrohydraulic antiskid system with a high switching frequency which is speed-proportional. The switching frequency is determined from the number of cross holes in a gear and the gear speed. The cut-in time is electronically determined in a computer and control circuit by a speed comparison of all wheels, whereby the switching frequencies of the passing teeth of a transport gear to a sensor are used as control impulses. If the computer and control circuit determines a deviation, e.g., if a wheel is being braked too sharply and, therefore, runs slower than the other wheels, a camshaft is rotated only in a forward direction, thus activating an antiskid system. If the difference is zero, the camshaft falls back into its initial position, the antiskid system is cut-out and only the braking system of the piston is operating.

REFERENCES:
patent: 1207801 (1916-12-01), Schmidt
patent: 1710032 (1929-04-01), Price
patent: 1779639 (1930-10-01), Price
patent: 2071405 (1937-02-01), Jahnel
patent: 3288538 (1966-11-01), Marcellus

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