Pneumatic power brake system

Details Pneumatic power brake system Pneumatic power brake system

1986-08-07

1989-06-06

Bennet, Henry A.

Power plants

Pressure fluid source and motor

Pulsator

91461, 303 16, 303 57, F15B 700

Patent

active

048359700

ABSTRACT:
A relay valve is operatively disposed between a pressurized air source and a work chamber of a brake booster. The relay valve has a pilot chamber so that the relay valve can feed the work chamber with a pressurized air, the pressure of which corresponding to that of a pressure applied to the pilot chamber. Electromagnetic valves are arranged to selectively connect the pilot chamber with the pressurized air source and the atmosphere. The valves are so controlled by an electronic control unit that the pilot chamber is supplied with pressurized air the pressure of which being determined in accordance with a brake pedal force applied from a brake pedal to an input means of the booster.

REFERENCES:
patent: 4206605 (1980-06-01), Mehren et al.
patent: 4436347 (1984-03-01), Stumpe
patent: 4557527 (1985-10-01), Stumpe
patent: 4606586 (1986-08-01), Eckert
patent: 4706459 (1987-11-01), Burckhardt

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