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    • 1. 发明公开
    • LINEAR STEPPER MOTOR, MAGNETIZING FIXTURE, AND METHODS
    • 线性电机,MAGERETISIERENDE BEFESTIGUNG UND VERFAHREN
    • EP1366555A4
    • 2004-11-03
    • EP02714940
    • 2002-02-11
    • TRITEX CORP
    • PULFORD ROBERT JR
    • H02K15/02H02K15/03H02K41/03H01F13/00
    • H02K41/031H02K15/03
    • In one preferred embodiment, a linear stepper motor (20), including; a stator structure (32); an axially extending, cylindrical, permanent magnet shaft (30) magnetically interacting with the stator structure (32); and the axially extending, cylindrical, permanent magnet shaft (30) having a smooth surface along a portion thereof with axially alternating radial N and S poles (34, 36) defined in the smooth surface. The present invention also provides a method of magnetizing the shaft of such a motor and a fixture (100) and method of manufacturing the fixture therefor. In another preferred embodiment of the invention, there is provided a shaft (200) for a linear stepper motor that can permit rotational motion. In yet another preferred embodiment of the invention, an "inside-out" motor (300) is provided in which the linearly moving member (314) is external to the stator structure (312).
    • 在一个优选实施例中,线性步进电机(20)包括: 定子结构(32); 与所述定子结构(32)磁性相互作用的轴向延伸的圆柱形永磁体轴(30); 和轴向延伸的圆柱形永磁铁轴(30),其沿着其一部分具有平滑的表面,并具有在光滑表面中限定的轴向交替的径向N和S极(34,36)。 本发明还提供了一种使这种电动机的轴和一个固定装置(100)的磁化的方法以及制造其固定装置的方法。 在本发明的另一个优选实施例中,提供了一种用于线性步进电机的轴(200),其可以允许旋转运动。 在本发明的另一个优选实施例中,提供了一种“内 - 外”马达(300),其中线性移动构件(314)在定子结构(312)的外部。