| 摘要 |
FIELD: mechanical engineering. ^ SUBSTANCE: device is designed for use as drive motor, for instance, for pump. Proposed motor has rotor 16 with driving shaft 20 and stator 14 enclosed in stator casing 26. Stator casing is enclosed in outer casing 36. Intermediate chamber 38 is found between stator casing 26 and outer casing 36 which is hermetically closed and filled up with cooling agent 42. Cooling agent 42 is moved by impeller 48. for this purpose impeller 48 is connected with driving shaft 20 of drive motor 12 by means of magnetic coupling 52 with permanent magnet which can be made as synchronous, hysteretic or induction coupling of drive. ^ EFFECT: improved reliability owing to prevention of clogging of drive motor cooling system. ^ 22 cl, 10 dwg |
