Electronically controlled brake booster and method of operation

Details Electronically controlled brake booster and method of operation Electronically controlled brake booster and method of operation

1996-10-23

1998-03-10

Young, Lee W.

Fluid-pressure and analogous brake systems

Speed-controlled

Automatic braking including speed governor or hydraulic...

3031143, B60T 844

Patent

active

057252912

ABSTRACT:
An electronically controlled brake booster for a road vehicle brake system having a housing comprises a vacuum chamber (16) and a servo chamber (14) separated from said vacuum chamber (16) by a movable wall (18), an electromagnetically operatable control valve device (20) which is coupled to said movable wall (18) for common relative movement with respect to the housing of the brake booster and a sensor (32) which, for an electronic control device (ECU), senses operating conditions of the road vehicle brake system and produces signals characteristic for these operating conditions which signals are evaluated by said control device (ECU) for producing drive signals (S.sub.1a, S.sub.1b) for said control valve device (20), wherein the sensor is formed as a pressure sensor (32) and senses at least the pressure (p.sub.AK) prevailing in said servo chamber (14).

REFERENCES:
patent: 4633757 (1987-01-01), Kubota
patent: 5332056 (1994-07-01), Niibe et al.
patent: 5445444 (1995-08-01), Rump et al.

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