| 摘要 |
<p>A power generator comprises: a main shaft (16) rotating by an external force; an inner rotor (20) fixed at a substantially middle portion of the main shaft (16) and having a plurality of first magnets (21) provided on the outer circumferential surface along a circumferential direction at equal intervals; a stator (30) provided on the side of the outer circumference of the inner rotor (20), concentrically with the inner rotor (20), and non-rotatably, having a plurality of inner coil bundles (31) facing the first magnets (21) and fixed on the inner circumferential surface along a circumferential direction, and having a plurality of outer coil bundles (32) fixed on the outer circumferential surface along a circumferential direction; an outer rotor (40) provided on the side of the outer circumference of the stator (30), concentrically with the stator (30), and rotatably, having a plurality of second magnets (41) facing the outer coil bundles (32) and provided at the central portion of the inner circumferential surface along a circumferential direction at equal intervals, and having an internal gear (42) provided at one end of the inner circumferential surface; a sun gear (50) fixed at one end of the main shaft (16); and a planetary gear (60) provided between the sun gear (50) and the internal gear (42) of the outer rotor (40) and engaged with the sun gear (50) and the internal gear (42).</p> |
