| 摘要 |
An apparatus suitable for inducing or creating an electromagnetic current in use, said apparatus including magnet means, a rotor means including a hub, guides for supporting the hub via one or more shaped templates, where at least one of the templates is shaped as a closed loop. The rotor means being movable within the templates and wherein at least part of the hub includes one or more first formations or teeth capable of engaging and/or interlinking with one or more second formations on the templates. |
