B - Operations – Transporting – 61 – L
Patent
B - Operations, Transporting
61
L
B61L 11/08 (2006.01) B61L 5/10 (2006.01)
Patent
CA 2480013
The railroad trackwork switch assembly (10) of the present invention is essentially comprised of a relatively fixed conventional stock rail (12), a conventional switch point (14) relatively movable into and out of abutting engagement with the stock rail (12), a target magnetic field source array (44, 46), a controller housing element affixed to the switch stock rail (12) and containing a Hall-effect sensor array (70, 72), and electrical/electronic circuitry interconnecting the invention Hall-effect sensor array (70, 72) element to a power source and to an external switch closure condition signal visual display.
L'invention concerne un ensemble aiguillage de chemin de fer qui comprend essentiellement une contre-aiguille classique relativement fixe, une lame d'aiguille classique relativement mobile par rapport à la contre-aiguille (enclenchement/dégagement), un assemblage de sources de champs magnétiques cibles, une enceinte de contrôle fixée à la contre-aiguille qui comprend une mosaïque de capteurs à effet Hall, et des circuits électriques/électroniques reliant la mosaïque en question à une source d'alimentation et à un afficheur externe de signaux d'état de fermeture d'aiguillage.
Gowling Lafleur Henderson Llp
Taylor Philip A.
LandOfFree
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