Service portion for brake control valves

Details Service portion for brake control valves Service portion for brake control valves

1976-04-05

1977-01-11

Reger, Duane A.

Fluid-pressure and analogous brake systems

Automatic

Equalizing valves

303 38, B60T 1522

Patent

active

040023753

ABSTRACT:
A service valve portion of a railway vehicle brake control valve device embodies large capacity spool-type brake cylinder application and release piston valves and a small spool-type valve for controlling the supply and release of fluid under pressure to and from the application and release piston valves and also the reservoir charging and quick service features.

REFERENCES:
patent: 2994565 (1961-08-01), McClure et al.
patent: 3175869 (1965-03-01), Kirk
patent: 3232678 (1966-02-01), Wilson
patent: 3716276 (1973-02-01), Wilson et al.

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