Multiple-circuit hydraulic brake system

Details Multiple-circuit hydraulic brake system Multiple-circuit hydraulic brake system

1982-09-20

1984-11-13

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

188345, 303114, 303119, B60T 802, B60T 1124

Patent

active

044821905

ABSTRACT:
The multiple-circuit hydraulic brake system includes a brake-actuating device having three working chambers for actuating wheel brake cylinders. A first brake circuit is connected to a first of the three working chambers and separately to each wheel brake cylinder of the rear axle through a different one of two control valves controlled by the pressure of a second and a third of the three working chambers. A second brake circuit is connected between one of the wheel brake cylinders of the front axle and the second of the three working chambers and a third brake circuit is connected between the other of the wheel brake cylinders of the front axle and the third of the three working chambers. Upon failure of the second and/or third brake circuit, the associated one of the two control valves retain the pressure of the diagonally opposite rear axle wheel brake cylinder below the wheel locking limit.

REFERENCES:
patent: 3502181 (1970-03-01), Lepelletier
patent: 3800538 (1974-11-01), Jones
patent: 3976171 (1976-08-01), Belart
patent: 3979153 (1976-09-01), Ingram et al.
Pages 98-99 of Ate Brake Handbook, 2nd Edition, 1981, Printed by Bartsch Verlag Kommanditgesellschaft.

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