Railway vehicle wheel comprises rim and hub joined by web and annular aluminum cooling element fixed on rim internal surface

摘要

The wheel comprises a rim (2), a hub (3) and a web (4) joining the rim and hub. An annular aluminum cooling element (6) is fixed on an internal surface (2c) of the rim and is directed towards a central part of the wheel passed through by the bearing axis (5). In this way there is a heat exchange surface with the atmosphere projecting relative to the rim.