A railway wheel includes: a wheel including a plate portion; and a brake disc including a circular plate portion whose front face side is a sliding surface, and a plurality of fin portions projected on a back face of the circular plate portion, wherein two of the brake discs are fastened in a region within the sliding surface. Regarding an area of a section crossing a space formed between the brake disc and the wheel along a circumferential direction, a minimum section portion in which the sectional area is minimum is present closest to the back face within the outer peripheral surface of the circular plate portion within a region formed by an outer peripheral surface of the circular plate portion and an inner peripheral surface of the rim portion, and an area of the minimum section portion is not less than 2500 mm2 and not more than 7000 mm2.
RAILWAY WHEEL WITH BRAKE DISC
2017-01-12
Patent
Elektronische Ressource
Englisch
IPC: | B60B VEHICLE WHEELS , Räder für Fahrzeuge |
Device for measuring undulation of brake disc in railway wheel with brake discs
Europäisches Patentamt | 2017
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