Steerable truck for a railway car, a railway car, and an...

B - Operations – Transporting – 61 – F

Patent

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Details

B61F 5/44 (2006.01) B61F 3/12 (2006.01)

Patent

CA 2700216

A steerable truck for a railway car which has excellent ability to travel along a curved track and which can actually be realized simply and with a low cost is provided. A truck frame is steered so as to be aligned with the tangential direction of a curved track by controlling only the steering angle of a rear wheelset so that during travel along a curved track, the steering angle which is the angle in a horizontal plane of the centerline of the rear wheelset with respect to an imaginary straight line connecting the center of the truck frame and the center of the curved track is larger than the steering angle which is the angle formed between the imaginary straight line and the centerline of the front wheelset. As a result, a steerable truck for a railway car which has excellent ability to travel along a curve and which can be actually realized simply and at a low cost is provided.

L'invention concerne un bogie directeur pour matériel roulant qui présente une excellente efficacité pour la prise de courbe et qui peut en fait être obtenu aisément à faible coût. Lorsqu'il se déplace sur une voie incurvée, le châssis de bogie est dirigé dans la direction le long de la direction tangentielle d'une voie incurvée par la seule commande de l'angle de direction d'un essieu arrière de telle sorte qu'un angle de braquage, à savoir l'angle de la ligne médiane de l'essieu arrière et d'une ligne virtuelle reliant les centres du châssis de bogie et de la voie incurvée dans un plan horizontal, devient plus grand qu'un angle de braquage, à savoir l'angle de la ligne médiane d'un essieu avant et de la ligne virtuelle. Par conséquent, l'invention propose un bogie directeur pour matériel roulant qui présente une excellente efficacité pour la prise de courbe et qui peut en fait être obtenu aisément à faible coût.

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