| 摘要 |
<p>The invention relates to a rotor drive system (1), particularly a rotor drive system of a tail rotor of a helicopter, said system (1) comprising a stator (2) and a rotor, said rotor being mounted to the stator (2) with a rotatable central carrier (4) and rotor blades (5) radially attached to said rotatable central carrier (4). Each of said rotor blades (5) are pivotable about their respective radial central axis for variation of blade pitch. Along at least one blade radius at least one permanent magnet (13, 14) is provided on each rotor blade (5) and a plurality of electromagnets (9) on the stator (2) are provided coaxially on at least one stator radius close enough to said at least one blade radius to allow inductive interaction between said plurality of electromagnets (9) and said at least one permanent magnet (13, 14) on each rotor blade (5), said permanent magnets (13, 14) being fixed to the rotor blades (5) offset from the radial central axis in a direction perpendicular to the rotation plane (12) for individual pitch control of said rotor blades (5) by individual control of the electromagnets (9) connected to electric supply means.</p> |
