| 摘要 |
<p>An electricity generator (12) comprises a series of looped conductors (22, 24, 26) mounted on a rotatably drum (28). The drum is mounted on two sets of arms (40) mounted on tracks (42). The free ends of the arms (40) and tracks (42) form opposite poles of a magnetic field which serves to support the drum. The drum may be located in a vacuum.</p> |
