Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1975-10-06
1977-07-19
Kunin, Stephen G.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
303 20, B60T 802, B60T 808
Patent
active
040365379
ABSTRACT:
A delay circuit in a wheel-slip control system prevents spurious triggering of the wheel slip control system due to false signals originating in misalignment, dirt or damage in wheel speed sensors. A time-delay circuit requires completion of a first cycle of wheel slip control system actuation, wherein both deceleration and velocity criteria must both be met, before deceleration signals alone are allowed to actuate the wheel slip control circuits. A timer enables subsequent cycles of actuation of the wheel slip control system by acceleration alone during a normal sequence of actuations within one brake application.
REFERENCES:
patent: 3697139 (1972-10-01), Elliott et al.
patent: 3756663 (1973-09-01), Fink et al.
patent: 3832013 (1974-08-01), Davis et al.
patent: 3863993 (1975-04-01), Fleischer et al.
patent: 3877755 (1975-04-01), Carp et al.
patent: 3902763 (1975-09-01), Takeuchi
patent: 3929382 (1975-12-01), McNinch, Jr. et al.
patent: 3930688 (1976-01-01), Rau et al.
Kunin Stephen G.
Wagner Electric Corporation
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