Electronic braking system

Details Electronic braking system Electronic braking system

1993-11-09

1994-07-12

Oberleitner, Robert J.

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

303 16, 303 85, B60T 1328

Patent

active

053282515

ABSTRACT:
An electronic braking system for wheeled vehicles comprising an electronic controller which produces, in response to driver braking demands, electronic signals for controlling the braking pressures applied to the vehicle wheels from a source of braking pressure. The system includes a second, back-up braking pressure source which can be selected when required, and means for switching over from the first-mentioned normal source of braking pressure to the back-up pressure source at selected occasions when the vehicle is being braked and has come to rest, provided that the prevailing driver's braking demand is above a predetermined minimum threshold. A test is then performed on the braking pressure signals generated by the system while it is energized by the back-up source and a warning signal is generated if the back-up source is found to be faulty.

REFERENCES:
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patent: 4003605 (1977-01-01), Fannin
patent: 4121873 (1978-10-01), Durling
patent: 4673222 (1987-06-01), Knight
patent: 4708406 (1987-11-01), Takagi et al.
patent: 4792192 (1988-12-01), Tveitane
patent: 4812777 (1989-03-01), Shirai
patent: 4824178 (1989-04-01), Petersen
patent: 4877294 (1989-10-01), Kuhn et al.

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