Fluid-pressure and analogous brake systems – Multiple systems – Fluid pressure and electric
Patent
1983-06-03
1990-04-24
Oberley, Alvin
Fluid-pressure and analogous brake systems
Multiple systems
Fluid pressure and electric
303 15, B60T 1366, B60T 802
Patent
active
049194925
ABSTRACT:
A multiple-circuit brake system for motor vehicles in which a multiple-circuit braking value transducer is embodied partially electrically and partially as a pneumatic control valve and is intended for triggering pressure control valves, the wheel brake cylinders being disposed following these pressure control valves. One pressure-medium reservoir is associated with each pressure control valve, and the controlling energy for each of these pressure control valves is drawn from the pressure-medium reservoir associated with that valve. In the pneumatic brake circuit (I), a further pressure-medium reservoir is provided preceding the braking value transducer, as a result of which it is possible, with the aid of two-way check valves, to actuate the wheel brake cylinders with the pneumatic brake circuit (I) whenever the electrical brake circuits (II, III) have failed.
REFERENCES:
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patent: 3507542 (1970-04-01), Cannella
patent: 3680314 (1972-08-01), Toomey
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patent: 4418966 (1983-12-01), Hattwig
Grauel Ingolf
Maurer Franz
Samuelson Hakan
Stumpe Werner
Thoms Eric
Greigg Edwin E.
Oberley Alvin
Robert & Bosch GmbH
Saab-Scania AB
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