B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
B60T 13/68 (2006.01) B60T 13/66 (2006.01) B60T 15/14 (2006.01) B60T 15/52 (2006.01)
Patent
CA 2105151
A microprocessor-based locomotive brake control system having an electropneumatic brake pipe pressure regulating circuit via which a train brake pipe pressure is controlled and a normally closed charging cut-off valve between the brake pipe regulating circuit and the brake pipe. The charging cut-off valve is electropneumatically controlled in order to effect opening of the normally closed charging cut-off valve on a controlling locomotive. An arrangement is provided for maintaining the charging cut-off valve open when electric power is lost on a controlling locomotive, while providing for closure of the charging cut-off valve on a non-controlling locomotive irrespective of the presence or absence of electric power.
Système de commande du frein à air de locomotive piloté par un microprocesseur, comportant un circuit de régulation électromagnétique de la pression dans la conduite principale, lequel contrôle la pression à l'intérieur de la conduite de frein principale ainsi qu'une valve-relais pneumatique normalement fermée montée entre le circuit de régulation et la conduite de frein principale. La valve-relais est sous commande électropneumatique pour assurer l'ouverture de la valve-relais normalement fermée dans une locomotive de commande. Une configuration est proposée pour maintenir la valve-relais ouverte en cas de panne d'électricité à bord d'une locomotive de commande, tout en assurant la fermeture de la valve-relais dans une locomotive commandée sans égard à la présence ou l'absence d'alimentation électrique
Balukin Richard F.
Cunkelman Brian L.
Neilson George B.
Macrae & Co.
Westinghouse Air Brake Company
LandOfFree
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