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B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
B61L23/08—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only
B61L23/14—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only automatically operated
B61L23/16—Track circuits specially adapted for section blocking
B61L23/166—Track circuits specially adapted for section blocking using alternating current
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Engineering & Computer Science
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Mechanical Engineering
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Electric Propulsion And Braking For Vehicles
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Einrichtung fuer die Fernueberwachung und -steuerung von zwischen zwei Endlagen verstellbaren Vorrichtungen, wie Weichen, Signalen, Fahrsperren u. dgl.
Anordnung, um bei eintretenden Spulenfehlern in den Ankern elektrischer Maschinen eine selbsttätige Angabe der genannten Unregelmäßigkeit oder ein selbsttätiges Anhalten der Maschine oder eine Verringerung ihrer Tourenzahl oder Spannung zu erzielen.
Einrichtung fuer Wechselstromapparate, deren Wicklungen Transformatorwirkungen ausgesetzt sind, besonders Regeltransformatoren, Potentialregler o. dgl.