Brake valve device arranged for electro-pneumatic control

Details Brake valve device arranged for electro-pneumatic control Brake valve device arranged for electro-pneumatic control

1989-05-26

1990-07-31

Reger, Duane A.

Fluid-pressure and analogous brake systems

Automatic

Equalizing valves

303 67, 303 77, B60T 1554

Patent

active

049445642

ABSTRACT:
An operators's brake valve device for a railway locomotive that is adapted to provide brake pipe recharging in a holding position of the brake valve handle in which the release of brake cylinder pressure is cut off by a release magnet valve device that, in conjunction with an appliction magnet valve device, provides electro-pneumatic control of the train brakes. These magnet valves are controlled electrically via pneumatically piloted electrical switches that receive discrete pressure signals according to the different positions of the brake valve handle.

REFERENCES:
patent: 4830437 (1989-05-01), Rumsey
Wabco Publication 4208-30, Westinghouse Air Brake Division, American Standard Inc., Feb. 1981.
Wabco Publication 4208-26, Westinghouse Air/Brake Division, American Standard, Inc. Feb. 1981.

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