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    • 21. 发明授权
    • Alternating current generator for vehicle
    • 车用交流发电机
    • US06404096B1
    • 2002-06-11
    • US09635005
    • 2000-08-08
    • Haruyuki KometaniYoshihito AsaoMasahiko FujitaKatsumi Adachi
    • Haruyuki KometaniYoshihito AsaoMasahiko FujitaKatsumi Adachi
    • H02K122
    • H02K1/243H02K19/22H02K2201/06
    • The generator comprises a stator core 4 in which a three-phase stator coil 5 is wound and inserted into slots, a first rotor core 8 and a second rotor core 9 which are provided in the side of an inner diameter of this stator core 4 and rotate with a rotating shaft 7, a field coil 10 for magnetizing these first and second rotor cores 8 and 9 in different magnetic poles, and a plurality of magnetic poles 23 and 24 which are provided so as to extend to an axial direction of the rotating shaft 7 from the first and second rotor cores 8 and 9 and are arranged so as to have engagement alternately through predetermined gaps 25 and 26 between the magnetic poles and are opposite to the surface of the inner diameter of the stator core 4, and it is configured so that these magnetic poles 23 and 24 have a plurality of parts 23a, 24a and 23b, 24b in the axial direction and are stepwise formed and the respective parts are set to different widths in a rotational direction.
    • 发电机包括定子铁芯4,其中三相定子线圈5被卷绕并插入槽中,第一转子铁芯8和第二转子铁芯9设置在该定子铁心4的内径侧; 用旋转轴7旋转,用于将这些第一和第二转子铁芯8和9磁化在不同磁极中的励磁线圈10以及设置成沿旋转轴线方向延伸的多个磁极23和24 轴7从第一转子芯8和第二转子芯9延伸,并且被布置成在磁极之间通过预定的间隙25和26交替地形成并且与定子铁心4的内径的表面相反, 被配置为使得这些磁极23和24在轴向方向上具有多个部分23a,24a和23b,24b并且被逐步地形成,并且各个部分在旋转方向上设定为不同的宽度。
    • 22. 发明授权
    • Alternator
    • 发电机
    • US06396185B1
    • 2002-05-28
    • US09643879
    • 2000-08-23
    • Yoshihito AsaoKatsumi AdachiAkira Morishita
    • Yoshihito AsaoKatsumi AdachiAkira Morishita
    • H02K300
    • H02K15/0478H02K1/16H02K1/165H02K3/12H02K3/28H02K3/345H02K3/50H02K9/06H02K15/024H02K15/066H02K2203/09
    • An alternator includes a rotor for forming north-seeking (N) and south-seeking (S) poles about a rotational circumference, a stator having a stator core disposed facing the rotor and a polyphase stator winding installed in the stator core, and a bracket supporting the rotor and the stator, wherein the stator core comprises a laminated iron core formed with a number of slots extending axially at a predetermined pitch in a circumferential direction, the polyphase stator winding comprises a number of winding sub-portions in each which a long strand of wire is wound so as to alternately occupy an inner layer and an outer layer in a slot depth direction within the slots at intervals of a predetermined number of slots, the strand of wire folding back outside the slots at axial end surfaces of the stator core to form turn portions, the turn portions align in a circumferential direction to constitute coil end groups at both axial end portions of the stator core, and the turn portions at both axial end portions of the stator core are provided with an insulative coating.
    • 交流发电机包括绕旋转圆周形成北向(N)和南(S)极的转子,具有面向转子的定子芯的定子和安装在定子铁芯中的多相定子绕组,以及支架 支撑转子和定子,其中定子芯包括层叠铁芯,其形成有沿圆周方向以预定间距轴向延伸的多个槽,多相定子绕组包括多个绕组子部分,每个绕组子部分具有长的 线的缠绕以便以预定数量的槽的间隔交替占据槽内的槽深度方向上的内层和外层,所述线的股线在定子的轴向端表面处折叠到槽的外侧 芯部形成转弯部,转向部在圆周方向上对齐以在定子芯的两个轴向端部处构成线圈端组,并且在两个 定子芯的x轴端部设有绝缘涂层。
    • 24. 发明授权
    • Rotor for an alternator
    • 转子用于交流发电机
    • US06333582B1
    • 2001-12-25
    • US09585550
    • 2000-06-02
    • Yoshihito AsaoKenji TsuruharaKyoko HigashinoKatsumi Adachi
    • Yoshihito AsaoKenji TsuruharaKyoko HigashinoKatsumi Adachi
    • H02K2114
    • H02K21/044
    • A rotor has plural reinforcing bodies each approximately formed in a U-shape having wing portions arranged in both side portions of an attaching portion of a flat plate shape, and disposed such that the attaching portion faces to each of inner circumferential wall surfaces of claw-shaped magnetic poles and the wing portions are located on both sides of the claw-shaped magnetic poles in the circumferential direction; and plural magnets each fixedly attached to both wing portions of each of the reinforcing bodies and disposed on both sides of the claw-shaped magnetic poles in the circumferential direction, for reducing leaked magnetic flux between the claw-shaped magnetic poles adjacent to each other, wherein a multidegree of freedom vibrating system composed of the claw-shaped magnetic poles and the reinforcing bodies fixedly attaching the magnets thereto is constructed by attaching each of the reinforcing bodies in a state in which at least one portion of the attaching portion is fixedly attached to the inner circumferential wall surfaces of each of the claw-shaped magnetic poles.
    • 转子具有多个增强体,每个增强体大致形成为具有布置在平板形状的附接部分的两侧部分中的翼部的U形,并且被设置成使得附接部分面对爪形部分的每个内周壁表面, 翼状部分位于爪状磁极的圆周方向的两侧; 和多个磁体,每个磁体固定地附接到每个加强体的两个翼部,并且在圆周方向上设置在爪形磁极的两侧,以减少彼此相邻的爪形磁极之间的泄漏的磁通量, 其特征在于,将由所述爪状磁极构成的多自由度振动系统和固定在所述磁铁上的所述增强体固定在其上,其特征在于,在所述固定部的至少一部分固定安装的状态下, 每个爪形磁极的内周壁表面。
    • 28. 发明授权
    • Alternating-current generator for vehicles and heat sink incorporated therein
    • 用于车辆和散热器的交流发电机并入其中
    • US06184600B2
    • 2001-02-06
    • US09486395
    • 2000-02-28
    • Yoshihito AsaoShinji NakashimaKatsumi Adachi
    • Yoshihito AsaoShinji NakashimaKatsumi Adachi
    • H02K1100
    • H02K11/046F28F3/02H01L2924/0002H02K5/15H02K5/18H02K5/20H02K9/06H02K2213/03H01L2924/00
    • Objects of the present invention are to provide a highly mass-producible heat sink ensuring excellent cooling performance, and to provide an automotive alternator capable of stable running by suppressing temperature increases in diodes of a rectifier and in a stator. The heat sink is a die cast provided with a flat base 41 having a generally rectangular planar shape, one surface thereof constituting a surface for mounting heat-generating components, and a plurality of fins 42 disposed on the other surface of the base 41 at a pitch (P) in the longitudinal direction of the base, each rising perpendicularly from the other surface of the base and projecting in the longitudinal direction of the base, the projecting height (H) of the fins from the base being five or more times the thickness (T) of the fins. The plurality of fins 42 are formed such that the thickness (T), height (H), and pitch (P) of the fins satisfy the expressions T≦1 mm and 0.35≦T/P≦0.6.
    • 本发明的目的是提供一种高质量生产的散热器,确保优异的冷却性能,并且通过抑制整流器和定子中的二极管的温度升高来提供能够稳定运行的汽车交流发电机。散热器是模具 铸造设置有具有大致矩形平面形状的平坦基部41,其一个表面构成用于安装发热部件的表面,以及多个翅片42,其在基部41的另一个表面上以间距(P)设置在 基部的纵向方向各自垂直于基部的另一个表面并沿着基部的纵向方向突出,来自基部的翅片的突出高度(H)高于基座的厚度(T)的五倍或更多倍 翅片。 多个翅片42形成为使得散热片的厚度(T),高度(H)和间距(P)满足表达式T <= 1mm和0.35 <= T / P <= 0.6。