Fluid-pressure and analogous brake systems – Inertia control
Patent
1974-12-09
1976-05-25
Blix, Trygve M.
Fluid-pressure and analogous brake systems
Inertia control
303 20, B60T 800
Patent
active
039588351
ABSTRACT:
An adaptive braking system for a vehicle having fluid pressure actuated brakes. The system includes a wheel speed sensor which generates a speed signal proportional to the rotational velocity of a vehicle wheel, and an incipient skid detecting circuit which is responsive to the speed signal to generate a skid detecting signal when an incipient skidding condition of the vehicle wheel is sensed. A modifying circuit is responsive to the output of the skid detection circuit, and generates a signal relieving the fluid pressure in the vehicle brakes when the skid detection circuit senses an incipient skidding condition. Upon termination of the incipient skidding condition, the modifying circuit causes the brake pressure communicated to the vehicle's brakes to be increased at a rate lesss than the maximum rate at which the braking pressure in the system is capable of increasing, to thereby provide a "slow build" cycle until another incipient skidding condition is sensed. The output of the modifying circuit is fed to a duty cycle translator which generates a pulsed output signal which is transmitted to a brake pressure modulator which controls fluid communication to the brakes of the vehicle.
REFERENCES:
patent: 3499689 (1970-03-01), Carp et al.
patent: 3574417 (1971-04-01), Howard et al.
patent: 3637264 (1972-01-01), Leiber et al.
patent: 3674320 (1972-07-01), Howard et al.
patent: 3704043 (1972-11-01), Hickner et al.
patent: 3820857 (1974-06-01), Schnaibel et al.
patent: 3833268 (1974-09-01), Fleagle
patent: 3863993 (1975-02-01), Fleischer et al.
Latvala Bruce E.
Rothfusz Ralph W.
Antonis William N.
Blix Trygve M.
Decker Ken C.
Kunin Stephen G.
The Bendix Corporation
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