Brake circuit system for use in vehicles with selectively actuat

Details Brake circuit system for use in vehicles with selectively actuat Brake circuit system for use in vehicles with selectively actuat

1987-07-10

1988-09-13

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

303 13, 303 52, 303 842, B60T 1300

Patent

active

047704705

ABSTRACT:
In order to apply the brake to a vehicle even if one of main air-conduits for introducing brake operating air is damaged, a brake circuit system for use in the vehicle has independent right hand and left hand main air-conduits, two front and two rear brake fluid chambers placed in the main air-conduits and connected to right and left front wheel brakes and right and left rear wheel brakes, respectively, a brake operating air reservoir divided into right and left chambers connected through the right hand and left hand air-conduits to pair of right hand front and rear brake chambers and another pair of left hand front and rear brake chambers, respectively, and two front and two rear relay valves placed in the main air-conduits, respectively. A pair of right hand front and rear relay valves and other pair of left hand front and rear relay valves are actuated to be opened and closed by the operation of right hand and left hand brake valves, respectively.

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