Vehicle wheel slide protection systems

Details Vehicle wheel slide protection systems Vehicle wheel slide protection systems

1975-09-17

1977-04-19

Kunin, Stephen G.

Fluid-pressure and analogous brake systems

Pipeless valves

188181A, 303 92, 340 53, B60T 808

Patent

active

040184862

ABSTRACT:
A wheel slip protection system includes a transducer driven by a vehicle wheel and a brake control circuit for disabling the brakes when the rate of change of output of the transducer is too high. The transducer produces an oscillatory output of a frequency proportional to wheel speed and the first stage of the control circuit is a signal squaring circuit comprising a voltage comparator, the output terminals of the transducer being connected to the input terminals of the comparator and to earth by identical circuits for the purpose of cancelling noise picked up on wires connecting the transducer to the control circuit.

REFERENCES:
patent: 3497723 (1970-02-01), Nelson
patent: 3602554 (1971-08-01), Ichimura et al.
patent: 3832646 (1974-08-01), Szabo et al.
patent: 3916342 (1975-10-01), Higuchi et al.

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