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    • 3. 发明申请
    • Spindle Motor
    • 主轴电机
    • US20090189471A1
    • 2009-07-30
    • US12181901
    • 2008-07-29
    • Hisato AmanoYuji EnomotoMatahiro KomuroYuichi SatsuFumio Tajima
    • Hisato AmanoYuji EnomotoMatahiro KomuroYuichi SatsuFumio Tajima
    • H02K21/22
    • G11B19/2009H02K1/146H02K21/22H02K29/03
    • A spindle motor having a stator and a rotor includes: a stator core provided in the stator having salient-poles; a stator coil arranged between the salient-poles; a rotor; and a permanent magnet provided in the rotor. The stator core includes a stack of steel sheets whose salient-poles are formed by etching. The permanent magnet includes a ferromagnetic material consisting mainly of iron. The ferromagnetic material has formed in laminae on a surface thereof a layer of a fluorine compound containing an alkali element, an alkaline earth element or a rare earth element formed in laminae. Near an interface between the ferromagnetic material and the layer of the fluorine compound, iron exists in the layer of the fluorine compound such that a basic crystal structure of the fluorine compound is not changed and the fluorine compound containing the iron exists in the layer of the fluorine compound.
    • 具有定子和转子的主轴电动机包括:定子芯,其设置在具有凸极的定子中; 布置在凸极之间的定子线圈; 转子 以及设置在转子中的永磁体。 定子铁芯包括通过蚀刻形成凸极的钢板叠层。 永磁体包括主要由铁组成的铁磁材料。 铁磁材料在其表面上形成有层状的氟化合物,其含有形成在层中的碱金属元素,碱土金属元素或稀土元素。 在铁磁材料和氟化合物层之间的界面附近,铁存在于氟化合物的层中,使得氟化合物的碱性晶体结构不变,含铁的氟化合物存在于 氟化合物。
    • 4. 发明申请
    • Motor
    • 发动机
    • US20060255894A1
    • 2006-11-16
    • US11429946
    • 2006-05-09
    • Yuji EnomotoMotoya ItoRyoso MasakiKoichiro OharaMasahiro MitaMatahiro KomuroMasahiro Masuzawa
    • Yuji EnomotoMotoya ItoRyoso MasakiKoichiro OharaMasahiro MitaMatahiro KomuroMasahiro Masuzawa
    • H01F7/02
    • H02K1/278H02K15/03
    • It is desired to design a coreless motor in which a gap size is set to be as small as possible, and a magnet having a large energy product is used in order to increase the gap magnetic flux density since the coreless motor has no iron core so that the magnetic flux density is small in the gap part. A rotor core of the motor has a permanent magnet rotor which is formed by a compression molding means, and which is formed of a compact formed by molding a powder material, the compact comprising a bond magnetic portion mainly composed of a binder and a magnetic powder, and a soft magnetic portion mainly composed of a binder and a soft magnetic powder, the bond magnetic portion having magnetic poles having at least one surface which is mechanically bonded to the soft magnetic portion, in order to solve the inherent problems.
    • 希望设计其中间隙尺寸设定为尽可能小的无芯电动机,并且使用具有大能量乘积的磁体,以便增加无芯电动机没有铁芯的间隙磁通密度 磁隙密度在间隙部分较小。 电动机的转子铁心具有由压缩成型装置形成的永久磁铁转子,该永久磁铁转子由通过模制粉末材料形成的压块形成,该压块包括主要由粘合剂构成的粘合磁性部分和磁性粉末 以及主要由粘合剂和软磁性粉末组成的软磁性部分,所述粘结磁性部分具有至少一个表面机械地结合到软磁性部分的磁极,以解决固有的问题。
    • 5. 发明授权
    • Motor
    • 发动机
    • US07906881B2
    • 2011-03-15
    • US11429946
    • 2006-05-09
    • Yuji EnomotoMotoya ItoRyoso MasakiKoichiro OharaMasahiro MitaMatahiro KomuroMasahiro Masuzawa
    • Yuji EnomotoMotoya ItoRyoso MasakiKoichiro OharaMasahiro MitaMatahiro KomuroMasahiro Masuzawa
    • H02K1/27
    • H02K1/278H02K15/03
    • It is desired to design a coreless motor in which a gap size is set to be as small as possible, and a magnet having a large energy product is used in order to increase the gap magnetic flux density since the coreless motor has no iron core so that the magnetic flux density is small in the gap part. A rotor core of the motor has a permanent magnet rotor which is formed by a compression molding means, and which is formed of a compact formed by molding a powder material, the compact comprising a bond magnetic portion mainly composed of a binder and a magnetic powder, and a soft magnetic portion mainly composed of a binder and a soft magnetic powder, the bond magnetic portion having magnetic poles having at least one surface which is mechanically bonded to the soft magnetic portion, in order to solve the inherent problems.
    • 希望设计其中间隙尺寸设定为尽可能小的无芯电动机,并且使用具有大能量乘积的磁体,以便增加无芯电动机没有铁芯的间隙磁通密度 磁隙密度在间隙部分较小。 电动机的转子铁心具有由压缩成型装置形成的永久磁铁转子,该永久磁铁转子由通过模制粉末材料形成的压块形成,该压块包括主要由粘合剂构成的粘合磁性部分和磁性粉末 以及主要由粘合剂和软磁性粉末组成的软磁性部分,所述粘结磁性部分具有至少一个表面机械地结合到软磁性部分的磁极,以解决固有的问题。
    • 10. 发明申请
    • AXIAL GAP ROTATING ELECTRICAL MACHINE
    • 轴向旋转电机
    • US20120049685A1
    • 2012-03-01
    • US13210468
    • 2011-08-16
    • Zhuonan WANGYuji EnomotoMotoya ItoRyoso MasakiHiromitsu ItabashiBaiying Huang
    • Zhuonan WANGYuji EnomotoMotoya ItoRyoso MasakiHiromitsu ItabashiBaiying Huang
    • H02K21/24
    • H02K21/24H02K1/14H02K1/182
    • When an axial gap rotating electrical machine is assembled, stator cores are accurately positioned and a manufacturing process therefor is simplified. The axial gap rotating electrical machine is comprised of: a housing frame body having a first space in the cylindrical central part thereof and multiple second spaces located in the circumferential direction which have the same distances from the center; a shaft rotatably provided in the first space in the housing frame body; a core placed in each of the second spaces in the housing frame body and a coil arranged outside of the core; a rotor yoke fixed on the shaft, extended in the direction of the circumference thereof, and having multiple magnets arranged in circumferential positions confront the cores; and a case having a hole for the shaft and housing the housing frame body and the rotor yoke.
    • 当组装轴向间隙旋转电机时,定子铁芯被精确定位,并且其制造工艺简化。 轴向间隙旋转电机包括:壳体框架体,其在其圆柱形中心部分中具有第一空间,并且在圆周方向上具有与中心具有相同距离的多个第二空间; 可旋转地设置在所述壳体框架主体中的所述第一空间中的轴; 放置在所述壳体框架主体中的每个所述第二空间中的芯和布置在所述芯的外侧的线圈; 固定在所述轴上的转子轭在其圆周方向上延伸,并且具有布置在与芯相对的圆周位置的多个磁体; 以及具有用于轴的孔并容纳壳体框体和转子轭的壳体。