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    • 8. 发明申请
    • DYNAMOELECTRIC MACHINE
    • 电动机
    • US20110001383A1
    • 2011-01-06
    • US12866099
    • 2008-02-13
    • Ryuichi ShimomuraHiroyuki AkitaMasaya InoueToshiyuki Yoshizawa
    • Ryuichi ShimomuraHiroyuki AkitaMasaya InoueToshiyuki Yoshizawa
    • H02K21/04
    • H02K21/044
    • The present invention provides a dynamoelectric machine that enables permanent magnets to be held stably in trough portions that are formed on portions of a yoke portion that are positioned between adjacent claw-shaped magnetic pole portions.In a dynamoelectric machine according to the present invention, first and second magnet holders are disposed so as to span first and second trough portions that are formed on portions of first and second yoke portions that are positioned between circumferentially adjacent first and second claw-shaped magnetic pole portions, and first and second permanent magnets are held by the first and second magnet holders so as to face inner circumferential surfaces near tip ends of the claw-shaped magnetic pole portions so as to have a predetermined clearance.
    • 本发明提供一种电动机,其能够使永磁体稳定地保持在形成在位于相邻的爪状磁极部之间的磁轭部的部分的槽部中。 在根据本发明的电动机中,第一和第二磁体保持器设置成跨越形成在第一和第二磁轭部分的位于周向相邻的第一和第二爪形磁体之间的第一和第二槽部分 第一和第二永磁体由第一和第二磁体保持器保持,以便面对爪形磁极部分的末端附近的内周面,以具有预定的间隙。
    • 9. 发明申请
    • DYNAMOELECTRIC MACHINE
    • 电动机
    • US20100207476A1
    • 2010-08-19
    • US12670917
    • 2008-03-26
    • Toshiyuki YoshizawaMasaya InoueKanji ShinkawaMasao MoritaMoriyuki HazeyamaHiroyuki AkitaShinji NishimuraNorihiro Murata
    • Toshiyuki YoshizawaMasaya InoueKanji ShinkawaMasao MoritaMoriyuki HazeyamaHiroyuki AkitaShinji NishimuraNorihiro Murata
    • H02K1/28H02K1/22H02K21/04
    • H02K21/044
    • A dynamoelectric machine includes first and second magnet seat portions disposed to project from portions of first and second yoke portions that face respective inner circumferential surfaces near tip ends of second and first claw-shaped magnetic pole portions, and magnet housing portions disposed integrally to extend axially outward from outer circumferential portions of a pair of flange portions of a bobbin, extend near the first and second yoke portions that face the inner circumferential surfaces near the tip ends of the first and second claw-shaped magnetic pole portions, and be held by the first and second magnet seat portions. First and second permanent magnets are housed and held in the first and second magnet housing portions, are disposed to face the inner circumferential surfaces near the tip ends of the second and first claw-shaped magnetic pole portions, and the first and second permanent magnets are respectively magnetically oriented in a reverse direction to a direction of a magnetic field that the field coil produces.
    • 电动机包括第一和第二磁体座部分,该第一和第二磁体座部分从第一和第二磁轭部分的第二和第一爪形磁极部分的末端附近的内周面突出,以及一体地设置成轴向延伸的磁体壳体部分 从绕线筒的一对凸缘部的外周部向外侧延伸,靠近第一爪状磁极部和第二爪状磁极部的前端附近的内周面的第一磁轭部和第二磁轭部附近, 第一和第二磁体座部分。 第一永久磁铁和第二永久磁铁被容纳并保持在第一和第二磁体容纳部中,与第二爪状磁极部和第一爪状磁极部的前端附近的内周面相对配置, 分别沿与磁场线圈产生的磁场方向相反的方向磁性取向。