B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
B60T 17/22 (2006.01) B60T 13/66 (2006.01) B60T 15/14 (2006.01) B60T 17/18 (2006.01) G01R 31/28 (2006.01)
Patent
CA 2232530
A circuit for diagnosing component problems in the circuit and for immediately recognizing an emergency brake application command in a locomotive. The circuit includes a coil of an emergency magnet valve connected to a trainline providing positive DC voltage to the coil and circuit, and a diode connecting the coil to a switch of a brake handle and to a light emitting device. The brake handle switch and light emitting device are connected to the negative side of the trainline, with the light emitting device providing an immediate indication of an emergency brake application command effected by the closing of the brake handle switch.
Cette invention concerne un circuit de diagnostic pour circuit de freinage, pouvant percevoir immédiatement un ordre de freinage d'urgence émis dans une locomotive. L'électroaimant d'une électrovalve de secours est relié au côté positif de la source d'alimentation en courant continu du train, et une diode relie l'électroaimant à l'interrupteur d'un levier de commande de freinage et à un dispositif lumineux. L'interrupteur du levier de commande de freinage et le dispositif lumineux sont reliés au côté négatif de la source d'alimentation, et le dispositif lumineux fournit une indication instantanée de tout ordre de freinage d'urgence déclenché par la fermeture de l'interrupteur du levier de commande de freinage.
Dimsa Robert D.
Ferri Vincent
Macrae & Co.
Westinghouse Air Brake Company
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