Patent ID: 8985285
Filing Date: 2015-03-24
Classification: B61H,F16D

Abstract:
1. A railway vehicle brake disc, comprising: a cylindrical hub defining a central axis, the hub having an axial width and an outer diameter, the surface at the outer diameter defining an outer hub periphery; a friction ring comprising two opposed annular members each having an outer braking surface and an inner surface, the annular members connected to each other by a plurality of individual fins extending transversely from the inner surface of one annular member to the inner surface of the other annular member; a bell-shaped flange connecting the hub with the friction ring, the bell-shaped flange comprising an inner portion connected to the hub, an outer portion directly connected to the individual fins disposed radially closest to the cylindrical hub, and a radial portion connecting the inner portion to the outer portion; wherein the hub, friction ring, and bell-shaped flange are formed integrally from a single material such that the brake disc comprises a monoblock brake disc; and wherein the plurality of individual fins comprise a plurality of pin fins.