Braking system for vehicles

Details Braking system for vehicles Braking system for vehicles

1985-06-06

1987-06-16

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

188106P, 188344, 188345, 303 6C, 303 84R, 303115, 303116, 303 6A, B60T 802

Patent

active

046732217

ABSTRACT:
A braking system employing an antilock device which has two brake actuating mechanisms responsive to input hydraulic pressure through the antilock device. Valves are provided in the control mechanism for a second brake actuating mechanism which provide hydraulic cylinders for controlling the brake mechanism. The hydraulic cylinder of such a valve is vented until the controlling hydraulic system reaches a minimum pressure level. This pressure level is determined to be above that of the residual pressure level of the antilock mechanism. In a first embodiment, direct hydraulic control is provided to the multiple brake actuating mechanisms. In the second preferred embodiment, the reaction force to braking of the first brake actuating mechanism controls the brake pressure through a second master cylinder to the second brake actuating mechanism.

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SAE Technical Series 830484, pp. 1-8, "Performance of Antilock Brakes with Simplified Control Techniques", by Makoto Satoh & Shuji Shiraishi, 1983.
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