公开(公告)号：US06362549B1

公开(公告)日：2002-03-26

申请号：US09616644

申请日：2000-07-14

申请人： Yongwei Shi ,  Yoshinobu Otachi

发明人： Yongwei Shi ,  Yoshinobu Otachi

IPC分类号： A02K709

CPC分类号： F16C32/0459 ,  F16C32/0487

摘要： A magnetic bearing device has a rotational member mounted for undergoing rotation about a rotary axis, a permanent magnet disposed on the rotational member, and a motor for rotating the rotational member. The motor has a core, projecting portions extending from the core, and motor coils each wound around a respective one of the projecting portions. The motor is disposed opposite to and spaced-apart from the permanent magnet for rotating the rotational member and contactlessly controlling an axial position of the rotational member along the rotary axis only by a magnetic forces generated between the permanent magnet, the core and the motor coils. A magnetic radial bearing contactlessly controls a radial position of the rotational member.

摘要翻译： 磁性轴承装置具有安装成围绕旋转轴线旋转的旋转构件，设置在旋转构件上的永磁体和用于使旋转构件旋转的电动机。 电动机具有芯部，从芯部延伸的突出部分和各自缠绕在相应的一个突出部分的电动机线圈。 电动机与永久磁铁相对设置并与其间隔开，用于旋转旋转件，并且仅通过在永久磁铁，磁芯和电动机线圈之间产生的磁力非接触地控制旋转件沿着旋转轴的轴向位置 。 磁性径向轴承非接触地控制旋转构件的径向位置。