Brake control valve

Details Brake control valve Brake control valve

1990-11-03

1991-10-15

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Motorman's valves

303 49, 303 54, 303 56, 188358, B60T 1504

Patent

active

050568744

ABSTRACT:
A brake control has a regulator valve to establish the pressure in the brake system during brake apply. A flow regulator valve permits a fast flow rate for filling of the system when brake apply is initiated and a slow flow rate when the brake system pressure approaches the value established by the regulator valve.

REFERENCES:
patent: 2698205 (1954-12-01), Gagen
patent: 2887187 (1959-05-01), Fletcher et al.
patent: 2912286 (1959-11-01), Evans
patent: 3183041 (1965-05-01), Grossnickle et al.
patent: 3514163 (1970-05-01), MacDuff
patent: 4444440 (1984-04-01), Farr
patent: 4836341 (1989-06-01), Hall, III

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