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    • 7. 发明申请
    • PASSIVE MAGNETIC BEARING
    • 被动磁性轴承
    • US20110001379A1
    • 2011-01-06
    • US12829457
    • 2010-07-02
    • Sean McCarthySeamus FlanaganAlan SimpsonMaxime Sorin
    • Sean McCarthySeamus FlanaganAlan SimpsonMaxime Sorin
    • H02K7/09
    • F16C32/0425F16C19/10F16C32/0402
    • A passive magnetic bearing which has an exceptionally low friction couple. Radial and axial restraint is achieved through magnetic and mechanical means. The embodiment of the passive magnetic bearing has two axially magnetized rings, which each exhibit at least one pair of north and south poles. The magnetized rings are positioned in a manner where the poles are in a repulsive magnetic interaction such that the plane of symmetry which separates the like poles lies perpendicular to the axis of the rotation of a shaft and this radially constrains the movement of the shaft. Axial rigidity is added to the system by the use of ceramic bearings and related axial retaining mechanisms on one of the ring magnets thus maintaining the magnetic bearing in an otherwise unstable axial plane.
    • 一种具有极低摩擦力的无源磁轴承。 通过磁力和机械方式实现径向和轴向约束。 无源磁轴承的实施例具有两个轴向磁化的环,每个环表现出至少一对北极和南极。 磁化环以这样的方式定位,其中磁极处于排斥磁相互作用,使得分离相同磁极的对称平面垂直于轴的旋转轴线,并且这径向地限制轴的运动。 通过在其中一个环形磁体上使用陶瓷轴承和相关的轴向保持机构将轴向刚度加到系统上,从而将磁轴承保持在另外不稳定的轴向平面。