Brake pressure difference warning system for vehicles

Details Brake pressure difference warning system for vehicles Brake pressure difference warning system for vehicles

1976-09-24

1978-01-17

Blix, Trygve M.

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

188349, B60T 826

Patent

active

040689018

ABSTRACT:
A brake pressure-failure warning system for use with a split or dual type brake system having two brake lines includes a stepped piston operatively associated with an electrical warning switch and supplied with brake pressure from both of the brake lines, a proportioning valve disposed within the rear wheel brake line, and three fluid chambers, two of which are usually in fluid communication through the proportioning valve and a passage. When either one of the three fluid chambers is subjected to a hydraulic failure, the two chambers are in direct fluidic communication without fluid passing through the proportioning valve, the passage in effect being utilized as a by-pass passage under such hydraulic failure conditions.

REFERENCES:
patent: 3450443 (1969-06-01), Bueler
patent: 3464741 (1969-09-01), Falk
patent: 3680921 (1972-08-01), Falk
patent: 3708211 (1973-01-01), Bueler

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