Train detection

B - Operations – Transporting – 61 – L

Patent

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Details

B61L 1/02 (2006.01) B61L 1/18 (2006.01) B61L 25/02 (2006.01)

Patent

CA 2516354

A train detection mechanism for detecting the presence of a train on a section of track, the track section comprising first and second rails 1, 2 and delimited by first and second ends thereof, comprises current injection means for injecting current into the first rail at the first end of the section and means for receiving current from the second rail at the first end of the section, and a shunt 3 connected between the first and second rails at the second end of the section, characterised in that the shunt comprises a switch 4 for controlling current flow through said shunt, said switch being operable by the passage of a train.

Un mécanisme de détection de trains permettant de détecter la présence d'un train sur une section de voie ferrée, la section de voie ferrée comprenant un premier et un deuxième rails 1, 2 et délimitée par des première et deuxième extrémités, comprend un dispositif d'injection de courant pour injecter le courant dans le premier rail à la première extrémité de la section et un dispositif pour recevoir le courant à partir du deuxième rail à la première extrémité de la section, et un shunt 3 raccordé entre les premier et deuxième rails à la deuxième extrémité de la section, dont une caractéristique est que le shunt comprend un commutateur 4 permettant la commande de l'écoulement de courant à travers ledit shunt, et ledit commutateur pouvant être exploité par le passage d'un train.

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