Air assisted braking system

Fluid-pressure and analogous brake systems – Multiple fluid-receiving devices – Multiple motors

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Details

303 22R, B60T 826

Patent

active

042881269

ABSTRACT:
This invention relates to an air powered braking system for a vehicle. The air pressure in the front and rear brake systems is regulated by a respective one of a pair of air pressure valves. The air valves are hydraulically controlled and each valve (16) and (26) is independently connected to a driver operable hydraulic master cylinder so that the air pressure in each of the front or rear systems is proportional to the hydraulic pressure generated at the master cylinder (11). A hydraulic reducing valve is interposed in the hydraulic circuit between the master cylinder and the rear brake system air valve and operation of the reducing valve reduces the hydraulic pressure to that air valve and hence reduces the air pressure to the rear brakes relative to the air pressure to the front brakes.

REFERENCES:
patent: 3155435 (1964-11-01), Nicolay et al.
patent: 3227494 (1966-01-01), Alfieri
patent: 3503657 (1970-03-01), MacDuff
patent: 3547498 (1970-12-01), Bueler
patent: 3672728 (1972-06-01), Keady et al.

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