Brake pipe vent valve for locomotive brake system

The dual vent valve includes a housing having brake pipe, emergency input and exhaust ports, and first and second valves. The emergency output port is fluidly connected to the emergency input port. The first valve selectively connects the brake pipe port to the exhaust port by opening the first valv...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SCOTT MARGESON, HOWARD E. HUBER JR, DERICK CALL, JOHN M. REYNOLDS, STEVE R. NEWTON
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:The dual vent valve includes a housing having brake pipe, emergency input and exhaust ports, and first and second valves. The emergency output port is fluidly connected to the emergency input port. The first valve selectively connects the brake pipe port to the exhaust port by opening the first valve in response to an emergency signal on the brake pipe port. The second valve selectively connects the brake pipe port to the exhaust port by opening the second valve in response to an emergency signal on the emergency input port.