Fluid-pressure and analogous brake systems – Multiple systems – Fluid pressure and electric
Patent
1991-03-05
1994-03-15
Graham, Matthew C.
Fluid-pressure and analogous brake systems
Multiple systems
Fluid pressure and electric
303 15, 3031181, B60T 1368, B60T 838
Patent
active
052941906
ABSTRACT:
A brake system with at least one brake circuit comprises a mechanical brake-pressure control device and an electrical brake-pressure control device. The brake system is constructed without additional expenditure and by use of a mechanical brake-pressure control device and by an electrical control valve device. The system is constructed such that the brake-pressure modulator (8) of the electrical brake-pressure control device (6, 8, 11, 19) can also be controlled by pressure. The brake-pressure modulator (8) meters the brake pressure, both on the strength of the supplied electrical signal as well as according to the value level of the fed-in redundant brake pressure. The control electronics (11, 19) of the electrical brake-pressure control device (6, 8, 11, 19) is constructed such that it sets the strength of the electrical signal to a value required for covering and for meeting the respective brake-pressure demand request. The invention structure can be employed preferably in connection with road vehicles and motor vehicles.
REFERENCES:
patent: 4568129 (1986-02-01), Stumpe
patent: 4616881 (1986-10-01), Muller et al.
patent: 4861115 (1989-08-01), Petersen
Feldmann Joachim
Peterson Erwin
Schult Manfred
Graham Matthew C.
Kasper Horst M.
Wabco Westinghouse Fahrzeugbremsen GmbH
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