B - Operations – Transporting – 60 – B
Patent
B - Operations, Transporting
60
B
295/13
B60B 17/00 (2006.01)
Patent
CA 1132632
A B S T R A C T A profiled wheel tread for use with self-steering wheelsets, the tread having a running surface, a wheel flange, a taping line passing through the running surface, and a running zone between the taping line and the wheel flange. The invention provides that the effective conicity across the running zone decreases from the taping line towards the wheel flange. In another form the effective conicity initially increases from the taping line, reaches a maximum at a lateral deflection of between 1,5 and 4 mm, and then decreases towards the wheel flange. The wheel flange is thinner than normal to increase the gauge clearance. Improvements are thereby obtained in wheel tread wear and rail wear by minimising creep forces;hunting stability, because the effective conicity at maximum lateral deflection is low; and steering ability,because of a high average conicity and increased gauge clearance.
334320
Scheffel Herbert
Viviers Joseph A.
von Gericke Rowlen E.
Gowling Lafleur Henderson Llp
South African Inventions Development Corporation
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