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    • 2. 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。
    • 7. 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。
    • 8. 发明授权
    • Alternator
    • 发电机
    • US06424073B1
    • 2002-07-23
    • US09665282
    • 2000-09-20
    • Haruyuki KometaniYoshihito AsaoKatsumi Adachi
    • Haruyuki KometaniYoshihito AsaoKatsumi Adachi
    • H02K1922
    • H02K1/16H02K1/165H02K3/28
    • An automotive alternator is capable of reducing electromagnetic noises and wind noises of 12f components, which are extremely unpleasant higher harmonic noises to the ears, thereby permitting uncomfortable noises to be reduced, and also capable of suppressing a drop in output caused by a phase difference. In the alternator, two slots are applied per pole in a phase, spaces between centerlines that extend in a radial direction of openings of adjoining slots are formed to be irregular, and a first three-phase stator winding and a second three-phase stator winding are wound around a stator core with a phase difference of an electrical angle ranging from 31 to 34 degrees.
    • 汽车用交流发电机能够降低12f成分的电磁噪声和风噪声,这是对耳朵的高次谐波噪声的极度不愉快,从而使不舒适的噪声降低,并且还能够抑制由相位差引起的输出下降。 在交流发电机中,每个极点以相位施加两个槽,在相邻槽的开口的径向方向上延伸的中心线之间的空间形成为不规则的,并且第一三相定子绕组和第二三相定子绕组 缠绕在定子铁芯上,其电角度范围为31至34度。
    • 9. 发明授权
    • Alternator having a starter with non-uniformly pitched slots
    • 具有起动器的发电机具有不均匀的斜槽
    • US06288471B1
    • 2001-09-11
    • US09493112
    • 2000-01-28
    • Haruyuki KometaniYoshihito AsaoKatsumi Adachi
    • Haruyuki KometaniYoshihito AsaoKatsumi Adachi
    • H02K2900
    • H02K19/22H02K1/16
    • An alternator includes a stator having a stator core formed with a number of slots extending longitudinally on an inner circumference thereof, and two sets of three-phase stator coils installed in the slots, and a rotor rotably disposed inside the stator, the rotor having a field coil for generating magnetic flux on passage of electric current, and pole cores covering the field coil, a number of claw-shaped magnetic poles being formed in the pole cores by the magnetic flux, a total number of slots in the alternator being one per pole per phase per set, the slots being formed such that radial center lines of adjacent openings of the slots have nonuniform pitch in a circumferential direction.
    • 交流发电机包括具有定子芯的定子,定子芯形成有在其内周上纵向延伸的多个槽,以及安装在槽中的两组三相定子线圈和可旋转地设置在定子内部的转子,转子具有 用于在电流通过时产生磁通量的励磁线圈和覆盖励磁线圈的磁极铁芯,通过磁通量在极芯中形成多个爪状磁极,交流发电机中的总数为1个 每个相的每极的极数,这些槽形成为使得槽的相邻开口的径向中心线在圆周方向上具有不均匀的间距。