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    • 53. 发明申请
    • Alternator for vehicles
    • 交通工具车辆
    • US20060223662A1
    • 2006-10-05
    • US11392662
    • 2006-03-30
    • Kouichi IhataTsutomu ShigaAtsushi Umeda
    • Kouichi IhataTsutomu ShigaAtsushi Umeda
    • F16H7/12F16H61/00
    • F16F15/24F02B67/06F16H7/02
    • In an on-vehicle alternator using a serpentine drive system with a poly-V belt, a damping ratio of the alternator is rendered 0.5 or more as other auxiliary machines by considering six contributors to the damping ratio (i.e., pulley radii, a belt span, a moment of inertia, the number of belt ribs, an elasticity modulus of a single-body belt, and a hysteresis loss of a single-body belt). In one example, a pulley ratio of the alternator relative to an engine crankshaft pulley is rendered 2 or less. In another example, belt span lengths on both sides of the alternator are reduced by fixing the alternator to an on-vehicle engine using a side mounting system. The damping ratio of the alternator is thus increased to 0.5 or more, leading to a significant reduction in vibration in the serpentine drive system fixed to the on-vehicle engine.
    • 在使用具有多V带的蛇形驱动系统的车载交流发电机中,通过考虑阻尼比的六个贡献者(即,带轮半径,带跨度,其他辅助机器),交流发电机的阻尼比为0.5或更大 惯性矩,带肋的数量,单体带的弹性模量和单体带的滞后损耗)。 在一个示例中,交流发电机相对于发动机曲轴皮带轮的滑轮比为2或更小。 在另一个例子中,通过使用侧面安装系统将交流发电机固定到车载发动机上来减少交流发电机两侧的带跨度长度。 因此,交流发电机的阻尼比增加到0.5以上,导致固定在车载发动机上的蛇形驱动系统的振动显着降低。
    • 56. 发明授权
    • AC generator stator for vehicle
    • 交流发电机定子用于车辆
    • US06201332B1
    • 2001-03-13
    • US09389379
    • 1999-09-03
    • Atsushi UmedaTsutomu ShigaShin Kusase
    • Atsushi UmedaTsutomu ShigaShin Kusase
    • H02K312
    • H02K3/12H02K3/28
    • In an alternator stator for vehicle, each of the phase-windings includes first and second coil-end groups at opposite axial ends the stator core. Each of the slots includes radially aligned six layers. Each of the phase-windings comprises a plurality of sets of U-shaped segments disposed in a pair of slots separated from each other by a pole-pitch and a plurality of connection segments formed from the U-shaped segments. Each of the sets includes a large segment having a pair of the conductor members disposed in the innermost and the outermost layers, a medium segment having a pair of the conductor members disposed in the layers inside the innermost and the outermost layers to be surrounded by the large segment at the first coil-end group, a small segment having a pair of conductor members respectively disposed in the middle two layers to be surrounded by the medium segment at the first coil-end group. The small segment of one of the sets is connected in series with the small segment of another adjacent thereto at the second coil-end group to form a wave winding. The large segment of one of the sets is connected in series with the medium segment of another of the sets adjacent thereto at the second coil-end group to form a lap winding. The wave winding and the lap winding are connected in series by the connection segments to form one of the plurality of phase-windings.
    • 在用于车辆的交流发电机定子中,每个相绕组包括位于定子铁心的相对的轴向端部处的第一和第二线圈端组。 每个槽包括径向对准的六层。 每个相绕组包括多组U形段,它们设置在由一个极间距分开的一对槽中,以及由U形段形成的多个连接段。 每个组包括具有设置在最内层和最外层中的一对导体构件的大段,具有一对导体构件的介质段,该导体构件设置在最内层和最外层内的层中, 在第一线圈端组的大段,具有分别设置在中间两层中的一对导体构件的小段,以在第一线圈端组处由介质段包围。 其中一组的小段与第二线圈端组处的另一组的小段与其相邻的小段串联连接,以形成波浪绕组。 其中一组的大段与在第二线圈端组相邻的另一组的介质段串联连接以形成搭接绕组。 波浪绕组和搭接绕组由连接段串联连接以形成多个相绕组中的一个。
    • 57. 发明授权
    • Alternator for an automotive vehicle
    • 汽车发电机
    • US06198190B1
    • 2001-03-06
    • US09349161
    • 1999-07-09
    • Atsushi UmedaTsutomu ShigaShin Kusase
    • Atsushi UmedaTsutomu ShigaShin Kusase
    • H02K100
    • H02K19/36H02K1/243H02K3/02H02K3/12H02K3/18H02K3/24H02K3/28H02K3/34H02K3/44H02K3/493H02K3/505H02K3/528H02K5/20H02K9/06H02K19/22H02K21/044H02K2203/09
    • The present invention provides a compact, efficient and noiseless alternator for an automotive vehicle which employs a double-layer coil arrangement in a slot for eliminating coil end interference as well as improving the space factor. An automotive alternator comprises a Lundel-type core rotor with 16 poles, and a stator with toothed portions of 96 poles spaced by slots. U-shaped conductor segments are installed in the slots. One portion of the conductor is accommodated in an outer layer portion of a predetermined slot, while the other portion is accommodated in an inner layer portion of a slot phase shifted by an electric angle of 180°. In this manner, all of the slots are separated into the inner and outer layers to accommodate a plurality of conductor segments. These conductor segments are connected only at one side of the stator to form a total of twelve wavy winding coils. These twelve wavy winding coils are divided into three groups each consisting of a serial connection of four wavy windings to constitute one phase of a three-phase stator coil.
    • 本发明提供了一种用于机动车辆的紧凑,高效和无噪声的交流发电机,其在狭槽中采用双层线圈布置以消除线圈端部干扰以及改善空间因素。 汽车交流发电机包括具有16个极的Lundel型铁芯转子和具有间隙为96个极96个齿段的定子。 U形导体段安装在槽中。 导体的一部分容纳在预定槽的外层部分中,而另一部分容纳在以180°的电角度移位的槽相的内层部分中。 以这种方式,所有的槽被分离成内层和外层以容纳多个导体段。 这些导体段仅在定子的一侧连接,以形成总共十二个波浪绕组线圈。 这些十二个波浪绕组线圈分成三组,每组由四个波浪绕组的串联连接组成,构成三相定子线圈的一相。