| 摘要 |
<p>A rotor (10) especially for use in a high speed electric motor/generator comprises fibre-reinforced plastics material incorporating magnetic filler material (detail x), the fibre-reinforced plastics material being arranged as a multi-layered cylindrical portion of the rotor, the magnetic filler material being disposed within and between the layers. The said cylindrical portion may be a hollow tubular portion. The said portion may be enclosed in a non-composite e.g., wear resistant, layer like a tube embracing the armature coil (21).</p> |
