Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1977-04-25
1978-06-13
Kunin, Stephen G.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
188181A, 303 97, 303105, B60T 808
Patent
active
040945553
ABSTRACT:
An anti-skid control method and apparatus for a vehicle wheel equipped with a brake comprising detecting the deceleration of a vehicle wheel equipped with a brake and comparing the value of deceleration with a reference value of minimum deceleration and also with a reference value of maximum deceleration and controlling the brake force based on this comparison so that independently of the braking operation by the driver, the brake force is released from the wheel if the actual deceleration of the wheel exceeds the reference value of maximum deceleration whereas the brake force is reapplied to the wheel if the actual deceleration of the wheel decreases below the reference value of minimum deceleration. The reference value of maximum deceleration is changed during the braking operation in dependence of a value characteristic of the maximum frictional forces transferrable between the wheel and the road surface.
REFERENCES:
patent: 3604761 (1971-09-01), Okamoto et al.
patent: 3635531 (1972-01-01), Okamoto et al.
patent: 3652133 (1972-03-01), Yamazaki et al.
patent: 3689120 (1972-09-01), Sumiyoshi et al.
patent: 3870376 (1975-03-01), Riordan
patent: 3951466 (1976-04-01), Guagliumi et al.
patent: 3982793 (1976-09-01), Jones
Byrne Peter Cyril
Moore Desmond F.
Kunin Stephen G.
PCB Controls Ltd.
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