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    • 5. 发明授权
    • Coil unit of coreless armature and method of manufacturing the same
    • 无芯电枢的线圈单元及其制造方法
    • US4463276A
    • 1984-07-31
    • US387870
    • 1982-06-10
    • Yoshimitsu Nakamura
    • Yoshimitsu Nakamura
    • H02K3/04H02K1/22
    • H02K3/04
    • This invention relates to a coil unit of coreless armatures. Inner and outer cylindrical coils formed of parallelly arranged coil element wires of an equal length are fitted and combined with each other and overlapping parts thereof are joined sequentially to form electrically closed loops. The thickness in the radial direction of the coil unit is made uniform by means of the foregoing formation. Also, as the length per turn of the coil element wires becomes uniform, a coil unit excellent in the dynamic balance can be obtained and, further, the shape of the cross-section of the coil element wires can be made proper with the cross-sectional area made constant, so that motors of different numbers of turns can be easily designed.
    • PCT No.PCT / JP80 / 00271 Sec。 371日期1982年6月10日 102(e)日期1982年6月10日PCT提交1980年10月31日PCT公布。 出版物WO82 / 01626 日本1982年5月13日。本发明涉及无芯电枢的线圈单元。 由平行布置的等长长度的线圈元件线形成的内外圆柱形线圈彼此并入并相互组合,并且其重叠部分依次连接以形成电闭环。 线圈单元的径向厚度通过上述形成而均匀。 此外,随着线圈元件线的每一圈的长度变得均匀,可以获得动平衡优异的线圈单元,并且可以使线圈元件线的横截面形状适当, 截面积不变,可以方便地设计不同匝数的电机。
    • 9. 发明授权
    • Method of making rotor coil of coreless motor
    • 无芯电机转子线圈的制作方法
    • US4236295A
    • 1980-12-02
    • US904866
    • 1978-05-11
    • Yoshimitsu Nakamura
    • Yoshimitsu Nakamura
    • H02K23/58F02B71/00H02K3/00H02K3/04H02K15/04H02K15/02
    • H02K3/00F02B71/00H02K15/0492Y10T29/49012
    • A method of making cylindrical rotor coil for use in coreless motors is provided whereby the coil is of a reduced thickness with compressed coil turns enabling the stator magnetic gap distance to be reduced, thus enabling a higher flux density to be utilized highly efficiently in the gap. A force is applied to a cylindrically wound coil of an insulation coated wire so as to act in its radial directions and against at least one of the inner and outer peripheries of the cylindrical coil, whereby respective turns of the wire are compressed together and flattened on the plane defining the respective peripheries. The force application is preferably repeated while varying the relative position of the cylindrical coil in its peripheral directions to the applied force.
    • 提供了一种制造用于无芯电动机的圆柱形转子线圈的方法,由此线圈具有减小的厚度,具有压缩的线圈匝,使得能够减小定子磁隙距离,从而能够在间隙中高效地利用更高的通量密度 。 将力施加到绝缘包覆线的圆筒形缠绕的线圈上,以便沿其径向方向和圆柱形线圈的内周和外周中的至少一个作用,由此将线的相应匝压缩在一起并平坦化 定义相应周边的平面。 优选地重复施加力,同时改变圆柱形线圈在其圆周方向上的相对位置与所施加的力。