| 摘要 |
<p>The rotor (10) has a single block transmission shaft (11), made of ceramic material, provided with notches (14), and a ring (16) fixed to the shaft at the notches. A magnet (12) is provided in a waterproof encapsulation (13) that is welded to the ring by a seam (17). The seam is in positions shifted or non-shifted along the shaft with respect to the notches. The magnet is provided between parts of the shaft. The encapsulation comprises a casing (131) and lateral cheeks (132) connecting the casing to the ring.</p> |
