Modulator valve assembly for a fluid braking system

Details Modulator valve assembly for a fluid braking system Modulator valve assembly for a fluid braking system

1977-03-28

1978-12-12

Kazenske, Edward R.

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

303 10, 303115, B60T 1318

Patent

active

041293410

ABSTRACT:
An adaptive braking system includes a fluid pressure source, a brake booster communicating with the fluid pressure source, a modulator valve communicating separately with the brake booster and the fluid pressure source and a wheel cylinder communicating with the modulator valve for receiving pressurized fluid in order to effectuate braking for an associated wheel. The modulator valve provides for communication of pressurized fluid to the wheel cylinder to effectuate braking. When a skidding condition is imminent with the associated wheel, a control valve within the modulator valve operates to reduce the pressure in the wheel cylinder and a pressure sensitive valve opens communication between the fluid pressure source and the control valve so that the control valve communicates the fluid pressure source with the wheel cylinder upon termination of the imminent skidding condition. When a predetermined pressure is reached in the wheel cylinder, the pressure sensitive valve is responsive to close communication between the fluid pressure source and the wheel cylinder and to open communication between the brake booster and the wheel cylinder.

REFERENCES:
patent: 3856364 (1974-12-01), Mangold
patent: 3904250 (1975-09-01), Kondo
patent: 3910648 (1975-10-01), Riesenberg
patent: 3918768 (1975-11-01), Farr
patent: 3923344 (1975-12-01), Jekigawa et al.
patent: 3975061 (1976-08-01), Kondo et al.

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