Blending valve for electro-pneumatic brakes

Details Blending valve for electro-pneumatic brakes Blending valve for electro-pneumatic brakes

1975-12-18

1977-05-03

Halvosa, George E. A.

Fluid-pressure and analogous brake systems

Multiple systems

Fluid pressure and electric

303 15, 303 20, B60T 1374

Patent

active

040210790

ABSTRACT:
An electro-pneumatic brake valve includes counteracting torque motors which rotate a cam in response to friction brake pressure, dynamic braking effort and/or an electrical control signal. The cam actuates switching elements to apply or release the friction brakes via a pair of solenoid actuated valves which control fluid flow from the valve inlet to the friction brake actuators and from the friction brake actuators to vent.

REFERENCES:
patent: 2151924 (1939-03-01), Logan, Jr.
patent: 3536360 (1970-10-01), Engle
patent: 3536361 (1970-10-01), Engle
patent: 3910639 (1975-10-01), Engle

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