| 摘要 |
PCT No. PCT/GB93/01881 Sec. 371 Date Jul. 6, 1994 Sec. 102(e) Date Jul. 6, 1994 PCT Filed Sep. 6, 1993 PCT Pub. No. WO94/06193 PCT Pub. Date Mar. 17, 1994.A rotor especially for use in a high speed electric motor/generator comprises fibre-reinforced plastics material incorporating magnetic filler material, 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 eg, wear resistant, layer. |
