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    • 33. 发明公开
    • Magnetic sensor
    • 磁力传感器
    • EP1124111A2
    • 2001-08-16
    • EP01301198.6
    • 2001-02-12
    • SANKYO SEIKI MFG. CO. LTD.
    • Aruga, FusayoshiNakajyo, JunichiMomose, ShogoNakamura, Hiroshi
    • G01D5/20
    • G01D5/204
    • A sensor for identifying a surface of a magnetic body (11) having an uneven surface, the sensor comprising a detecting magnetic pole portion (12) for detecting the magnetic body, the detecting pole portion (12) and the magnetic body (11) being movable relative to each other and a reference magnetic pole portion (13) across from a reference surface that is different from the uneven surface, wherein the distance between the reference portion (13) and the reference surface is maintained substantially constant. Wound round the detecting pole portion (12) and the reference pole portion (13) are magnetising coils (14) for generating magnetic fluxes. Wound round the detecting pole portion (12) and the reference pole portion (13) are detecting coils (15 and 16) for detecting the magnetic fluxes generated in the magnetising coils. The arrangement being such that when there is relative movement between the detecting portion (12) and the magnetic body (11), the uneven shape of the magnetic body (11) causes the distance between the detecting portion (12) and the magnetic body (11) to change and the uneven shape is identified based on the output from the detecting coils (15 and 16).
    • 一种用于识别具有不平坦表面的磁体(11)的表面的传感器,该传感器包括用于检测磁体的检测磁极部分(12),检测极部分(12)和磁体(11)是 相对于彼此可移动,并且从参考表面横跨不同于不平坦表面的参考磁极部分(13),其中参考部分(13)和参考表面之间的距离保持基本恒定。 围绕检测极部分(12)和参考极部分(13)的绕线是用于产生磁通量的磁化线圈(14)。 检测极部分(12)和基准极部分(13)的绕线是用于检测在磁化线圈中产生的磁通量的检测线圈(15和16)。 这种布置使得当检测部分(12)和磁体(11)之间存在相对运动时,磁体(11)的不平坦形状使检测部分(12)和磁体( 11)改变,并且基于来自检测线圈(15和16)的输出来识别不平坦形状。
    • 34. 发明公开
    • Magnetic levitation motor and method for manufacturing the same
    • Magnetschwebemotor und sein Herstellungsverfahren
    • EP1115193A2
    • 2001-07-11
    • EP01300018.7
    • 2001-01-03
    • SANKYO SEIKI MFG. CO. LTD.
    • Kanebako, Hideki, c/o Sankyo Seiki Mfg. Co. Ltd.
    • H02K7/09
    • F16C32/0493F16C2380/26H02K7/09
    • A magnetic levitation motor has a rotator body formed from a magnetic member and having segmented permanent magnets attached to a peripheral surface thereof. Two magnetic levitation motor sections are disposed in an axial direction of the rotator body. Each of the magnetic levitation motor sections having a first stator winding that generates a levitation control magnetic flux for levitating the rotator body and a second stator winding that generates a rotation magnetic flux for rotating the rotator body. The segmented permanent magnets are affixed to the rotator body at the two magnetic levitation motor sections with magnetic polarities thereof mutually opposite to each other. The segmented permanent magnets function as bias magnets that generate a direct-current magnetic flux that radially spreads from within the rotor.
    • 磁悬浮电动机具有由磁性构件形成的旋转体,并且具有附接到其周面的分段永磁体。 两个磁悬浮马达部分沿旋转体的轴向设置。 每个磁悬浮电动机部分具有产生用于悬浮转子体的悬浮控制磁通量的第一定子绕组和产生用于旋转转子体的旋转磁通量的第二定子绕组。 分段永久磁铁固定在两个磁悬浮电动机部分的转子体上,其磁极彼此相对。 分段永磁体用作产生从转子内径向扩展的直流磁通的偏置磁体。