Electronically controllable brake actuating system

Fluid-pressure and analogous brake systems – Speed-controlled – Odd condition or device detection

Reexamination Certificate

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Details

C073S019100, C073S019010

Reexamination Certificate

active

06942304

ABSTRACT:
The present invention discloses an electronically controllable brake actuating system for automotive vehicles, including an unpressurized pressure fluid supply reservoir, a pressure source actuatable by an electronic control unit, the pressure of which can be applied to wheel brakes of the vehicle, further including a device for detecting the driver's wish for deceleration as well as valve assemblies inserted upstream of the wheel brakes and connecting the wheel brakes alternatively to the pressure source or the pressure fluid supply reservoir. In order to increase the operational or functional reliability of a system of this type, the present invention discloses the provision of means for detecting gases or air disposed in the system.

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Jonner et al.: “Electrohydraulic Brake System—The First Approach to Brake-by-Wire Technology”;SAE 1996 Transactions Journal of Passenger Cars(Paper # 960991); vol. 105, Ed. 6, p. 1368-1375 (1996).

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