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    • 65. 发明申请
    • ELECTRIC MOTOR WITH PERMANENT-MAGNET ROTOR HAVING VISCOUS SHAFT COUPLING
    • 带有永磁电机的电动马达具有VISCOUS轴联轴器
    • WO00005799A1
    • 2000-02-03
    • PCT/EP1998/004624
    • 1998-07-23
    • F04D13/02F04D13/06F04D25/06F16D33/00H02K7/10H02K7/108H02K7/118H02K21/02
    • H02K7/118F04D13/022F04D13/06F16D33/00H02K7/108
    • An electric motor with a permanent-magnet rotor having a viscous coupling to the shaft (18; 118; 218; 318; 418; 518). In its electric part, the motor can be likened to a permanent-magnet synchronous motor, in which the rotor (13; 113; 213; 313; 413; 513) is mounted freely on the shaft and is contained in a hermetic casing (28; 128; 228; 328; 428; 528) which is rigidly coupled to the shaft and contains a liquid which fills the gap between the rotor and the container. The rotor therefore drives the casing only by virtue of the presence of the interposed liquid, so that the load (22; 122; 222; 322; 422; 522) is not rigidly connected to the shaft and the resulting operation of the motor can be likened to that of an asynchronous motor allowing mutually different rotation rates of the shaft and of the rotating field.
    • 具有永磁转子的电动机具有与轴(18; 118; 218; 318; 418; 518)的粘性联轴器。 在其电气部分中,电动机可以被比作永磁同步电动机,其中转子(13; 113; 213; 313; 413; 513)可自由地安装在轴上并被容纳在密封壳体(28 ; 128; 228; 328; 428; 528),其刚性地联接到所述轴并且包含填充所述转子和所述容器之间的间隙的液体。 因此,转子仅通过存在插入的液体来驱动壳体,使得负载(22; 122; 222; 322; 422; 522)不刚性地连接到轴,并且电动机的所得到的操作可以是 与异步电动机相似,允许轴和旋转场的相互不同的旋转速率。