| 摘要 |
<p>A fixing device (1) for brushless motors (10) comprising a rotor (20) comprising a rotor element (21) and magnets (22); this fixing device (1) is suitable to be heat-shrunk onto the rotor (20) so as to secure the magnets (22) between the rotor element (21) and the covering (1) comprising a plurality of heat-shrinkable layers (2) provided with a strip (2a) of heat-shrinkable material and having a helical barycentric trajectory of extension (2b) and arranged edge-on (2a) so as to define a substantially uniform thickness for each layer (2).</p> |
