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    • 4. 发明授权
    • Rotating electrical machine for vehicle
    • 汽车旋转电机
    • US06847150B2
    • 2005-01-25
    • US10698387
    • 2003-11-03
    • Haruyuki KometaniMasaya InoueYoshihito AsaoMasahiko FujitaToshiyuki YoshizawaHiroyuki Akita
    • Haruyuki KometaniMasaya InoueYoshihito AsaoMasahiko FujitaToshiyuki YoshizawaHiroyuki Akita
    • H02K1/24H02K19/22H02K19/26
    • H02K1/243H02K19/26
    • A rotating electrical machine for a vehicle includes a stator having a multi-phase armature winding, a rotor having a pair of field cores which rotate together with a rotating shaft, and a field winding for magnetizing the pair of field cores, the pair of field cores respectively includes magnetic poles extending in an axial direction of the rotating shaft and being arranged to alternately engage with each other through a predetermined clearance Dc, each of the magnetic poles having a width in a rotation direction thereof is formed in a stair shape to be smaller toward a tip of the width, and the clearance Dc between adjacent the magnetic poles is set within a range from 50° to 70° in electrical angle. As a result, the rotating electrical machine for a vehicle can be obtained in which exciting force of harmonic components is reduced, electromagnetic noise, torque ripple and the like are effectively suppressed, and the productivity is excellent.
    • 一种用于车辆的旋转电机包括具有多相电枢绕组的定子,具有与旋转轴一起旋转的一对场磁芯的转子和用于磁化该对场磁芯的励磁绕组,该对场 芯分别包括在旋转轴的轴向方向上延伸的磁极,并且被布置为以预定间隙Dc彼此交替地接合,每个磁极具有其旋转方向的宽度形成为阶梯形状 朝向宽度的尖端较小,并且相邻磁极之间的间隙Dc以电角度设定在50°至70°的范围内。 结果,可以获得有效抑制谐波分量的激励力,电磁噪声,转矩波动等的车辆用旋转电机,生产率优异。
    • 5. 发明授权
    • Vehicle AC generator
    • 车用交流发电机
    • US06433455B1
    • 2002-08-13
    • US09627234
    • 2000-07-27
    • Haruyuki KometaniToshiyuki YoshizawaYoshihito AsaoKatsumi Adachi
    • Haruyuki KometaniToshiyuki YoshizawaYoshihito AsaoKatsumi Adachi
    • H02K1922
    • H02K1/243
    • The vehicle AC generator comprises a stator core 4 having a stator coil 5, a first rotor core 8 and a second rotor core 9 provided on an inner diameter side of the stator core 4 to rotate, a field coil 10 for magnetizing the first rotor core 8 and the second rotor core 9, and a plurality of pole pieces 8a, 9a provided on the first rotor core 8 and the second rotor core 9 to extend in an axis direction of the rotation axis, and arranged to engage alternatively with each other via a predetermined clearance, and provided to oppose to an inner diameter surface of the stator core 4 via a predetermined clearance, wherein the poles pieces 8a, 9a are formed into an almost trapezoidal shape to reduce a width toward its tip portion in a rotation direction, and a skew angle against the axis direction of both side surfaces of the pole pieces in a rotation direction is set small on a root side and also set large on a tip side.
    • 车辆用交流发电机具有:定子铁芯4,具有定子线圈5,第一转子铁芯8和第二转子铁芯9,该第一转子铁心8和第二转子铁心9设置在定子铁芯4的内径侧上以旋转;磁场线圈10, 8和第二转子芯9以及设置在第一转子芯8和第二转子芯9上的多个极片8a,9a,以沿着旋转轴线的轴线方向延伸,并且布置成彼此交替地接合通过 预定的间隙,并且经由预定的间隙与定子铁心4的内径面相对,其中,磁极片8a,9a形成为大致梯形,以朝向旋转方向的前端部宽度减小, 并且相对于极片的旋转方向的两侧面的轴向的倾斜角度在根侧被设定得较小,并且在尖端侧也被设定得较大。
    • 10. 发明授权
    • Alternating-current dynamo-electric machine
    • 交流发电机
    • US07781934B2
    • 2010-08-24
    • US12176128
    • 2008-07-18
    • Masahiko FujitaToshiyuki YoshizawaHaruyuki Kometani
    • Masahiko FujitaToshiyuki YoshizawaHaruyuki Kometani
    • H02K1/28H02K19/16
    • H02K21/044
    • An alternating-current dynamoelectric machine according to the present invention includes: a stator including: a stator core in which slots that extend in an axial direction are formed on an inner side; and a stator winding that is mounted to the stator core by winding conducting wires into the slots; and a rotatable rotor including: a field winding that is disposed inside the stator; a rotor core constituted by a first pole core and a second pole core that each have claw-shaped magnetic poles that are disposed so as to cover the field winding and that alternately intermesh with each other; and first and second permanent magnets that are respectively disposed on two facing side surfaces of adjacent claw-shaped magnetic poles and that have magnetic fields that are oriented so as to reduce leakage of magnetic flux between the claw-shaped magnetic poles, and a magnetic body is disposed between a pair of the first and second permanent magnets.
    • 根据本发明的交流电动机包括:定子,其包括:定子芯,其中沿轴向方向延伸的槽形成在内侧; 以及定子绕组,其通过将导线缠绕到所述槽中而安装到所述定子芯上; 以及可旋转转子,包括:设置在所述定子内部的励磁绕组; 由第一极芯和第二极芯构成的转子铁芯,每个具有设置成覆盖励磁绕组并彼此交替啮合的爪形磁极; 以及分别设置在相邻爪形磁极的两个相对的侧表面上并且具有定向以便减小爪形磁极之间的磁通泄漏的磁场的第一和第二永久磁体,以及磁体 设置在一对第一和第二永磁体之间。