Fluid-pressure and analogous brake systems – Multiple systems – Fluid pressure and electric
Patent
1993-04-30
1995-04-04
Butler, Douglas C.
Fluid-pressure and analogous brake systems
Multiple systems
Fluid pressure and electric
188 111, 188195, 188349, 303 969, 303 221, 303 15, B60T 818, B60T 826, B60T 1722
Patent
active
054030722
ABSTRACT:
A brake-pressure control device is disclosed with a service-brake valve for allocating pressure from a supply source, and via an automatically load-dependent brake-power controller to the wheel-brake cylinders of a rear axle and from a supply source to the wheel-brake cylinders of a front axle of a motor vehicle. Wear sensors are provided for detecting the respective residual lining thickness of the wheel-brake linings, the output signals from the wear sensors being fed to control electronics which, in the event of differing wear of the linings on the two axles, generate a signal for activating a solenoid valve, which corrects the brake pressure on the wheel brakes of one axle. Instead of correcting the brake pressure on the wheel brakes of the respective axle which have greater wear in comparison with the wheel brakes of the other axle, according to the invention a correction of the brake pressure takes place always only on the wheel brakes of one axle only this axle being assigned a solenoid valve.
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Kilian Ulrich
Kuhn Karl
Wahle Hannes
Butler Douglas C.
Mercedes-Benz AG
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