Fluid-pressure and analogous brake systems – Pipeless valves
Patent
1979-03-30
1981-04-07
Miller, J. D.
Fluid-pressure and analogous brake systems
Pipeless valves
303 97, 303105, B60T 808
Patent
active
042601991
ABSTRACT:
A wheel spin control circuit which utilizes conventional anti-skid control apparatus for automotive-type vehicles including an operator's brake valve, brake cylinders, wheel speed sensors, wheel behavior evaluation circuitry and modulator valves to apply braking pressure to a sensed spinning wheel. A solenoid-operated control valve in parallel with the brake valve between the system air reservoir and modulator valves is actuated via a pushbutton switch whenever the operator senses a spinning wheel during acceleration to connect reservoir air to the modulator valves. The modulator valve of the slipping wheel is actuated by control signals emitted by the wheel behavior evaluation circuit to admit the reservoir air to pass to the brake cylinder of the spinning wheel to effect braking thereof. The pressure supply may be continuous or pulsed with or without a pressure-holding cycle.
REFERENCES:
patent: 2914359 (1959-11-01), Yarber
patent: 3576351 (1971-04-01), Collins
patent: 3779331 (1973-12-01), Burckhardt et al.
patent: 3936096 (1976-02-01), Cumming
patent: 4156547 (1979-05-01), Marsh
Eisenzopf Reinhard J.
Falce G. J.
McIntire, Jr. R. W.
Miller J. D.
Wabco Fahrzeugbremsen G.m.b.H.
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