Low voltage inhibit for adaptive braking system

Details Low voltage inhibit for adaptive braking system Low voltage inhibit for adaptive braking system

1977-12-09

1980-09-16

Blix, Trygve M.

Fluid-pressure and analogous brake systems

Pipeless valves

340 53, B60T 800

Patent

active

042226155

ABSTRACT:
An adaptive braking control circuit and a solenoid valve actuated by the control circuit is protected by a fuse which is blown when a malfunction of the solenoid exists. However, if the voltage produced by the vehicle electrical supply falls below a predtermined level insufficient to actuate the solenoid valve, the adaptive braking control circuit is disabled without blowing the fuse. A control circuit is provided which senses a malfunction in the solenoid, and which generates a fuse blowing signal which is used to actuate a silicon controlled rectifier (SCR) in order to blow the fuse. However, under the low voltage condition, this fuse blowing signal is inhibited.

REFERENCES:
patent: 3874743 (1975-04-01), Fleischer et al.
patent: 3995912 (1976-12-01), McNinch, Jr. et al.
patent: 4009914 (1977-03-01), Sato et al.
patent: 4013324 (1977-03-01), Quon
patent: 4049326 (1977-09-01), Zobel
patent: 4057299 (1977-11-01), Jones
patent: 4061402 (1977-12-01), Peterson et al.
patent: 4120539 (1978-10-01), Carp et al.

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