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    • 61. 发明授权
    • Controller of electric motor
    • 电动机控制器
    • US07872440B2
    • 2011-01-18
    • US12058944
    • 2008-03-31
    • Hirofumi AtarashiShoei AbeKeiichi YamamotoShigeru Tajima
    • Hirofumi AtarashiShoei AbeKeiichi YamamotoShigeru Tajima
    • H02P25/16
    • H02P21/0003B60L11/14B60L15/007B60L15/025B60L15/20B60L2220/14B60L2220/16B60L2220/50B60L2220/58B60L2240/421B60L2240/423H02P21/02Y02T10/641Y02T10/643Y02T10/70Y02T10/7077Y02T10/72Y02T10/7275
    • A controller of an electric motor for improving operation efficiency in performing electric conducting control of the electric motor of an axial air-gap type is provided. Therefore, the controller of the electric motor (3) of the axial air-gap type including a rotor (11) having a permanent magnet, a first stator (12a) and a second stator (12b) oppositely arranged through the rotor (11) in a rotation axis direction of the rotor (11), and armature windings (13a, 13b) mounted to the first stator (12a) and the second stator (12b) has an electric current command determining section (30) for switching between a both-side stator driving mode for conducting a driving electric current to both the armature winding (13a) of the first stator (12a) and the armature winding (13b) of the second stator (12b), and a one-side stator driving mode for conducting the driving electric current to only the armature winding (13a) of the first stator (12a) in accordance with a request value Tr_c of output torque of the electric motor (3).
    • 提供了一种用于提高对轴向气隙型电动机进行导电控制的操作效率的电动机的控制器。 因此,包括具有永磁体的转子(11)和通过转子(11)相对配置的第一定子(12a)和第二定子(12b)的轴向气隙型电动机(3)的控制器, 在转子(11)的旋转轴线方向上,安装在第一定子(12a)和第二定子(12b)上的电枢绕组(13a,13b)具有电流指令判断部(30),用于在两者 用于对第一定子(12a)的电枢绕组(13a)和第二定子(12b)的电枢绕组(13b)进行驱动电流的侧面定子驱动模式,以及用于 根据电动机(3)的输出转矩的请求值Tr_c,将驱动电流仅驱动到第一定子(12a)的电枢绕组(13a)。
    • 66. 发明申请
    • Stator
    • 定子
    • US20070114871A1
    • 2007-05-24
    • US11598564
    • 2006-11-14
    • Nobuyuki ImaiTadanobu TakahashiShigeru TajimaJunji Inoue
    • Nobuyuki ImaiTadanobu TakahashiShigeru TajimaJunji Inoue
    • H02K1/00H02K23/32H02K21/00
    • H02K3/12H02K3/28
    • In this stator, first and second U-phase loop windings and first and second W-phase loop windings are short-pitch wave windings, and the width in the circumferential direction of the slot between the U and V-phases in which the loop windings are disposed and the slot between the V and W-phases in which the loop windings are disposed is set to a value that is ½ the width in the circumferential direction of the slot between the W and U-phases in which the loop windings are disposed. The ratio of the first winding turns number of the loop windings and the second winding turns number of the loop windings is set so that when having added the induced voltages by the loop windings or having added the induced voltages by the loop windings in the slots, the phase difference of the induced voltages obtained by addition is 120 electrical degrees.
    • 在该定子中,第一和第二U相环绕组和第一和第二W相环绕组是短节距波绕组,以及在U相和V相之间的槽的圆周方向上的宽度,其中环绕组 并且在其中布置环绕组的V相和W相之间的槽被设定为在其中设置环绕组的W和U相之间的槽的周向宽度的1/2的值 。 设置环绕组的第一绕组匝数与环绕组的第二匝数之比,使得当通过环绕组添加感应电压或通过槽中的环绕组添加感应电压时, 通过加法获得的感应电压的相位差为120电度。
    • 67. 发明授权
    • Portable audio listening apparatus
    • 便携式音响设备
    • US07181024B1
    • 2007-02-20
    • US09705035
    • 2000-11-02
    • Haruo ObaKeiichi TotsukaShigeru TajimaChisato Numaoka
    • Haruo ObaKeiichi TotsukaShigeru TajimaChisato Numaoka
    • H04B3/00H04B5/00
    • H04B13/005
    • A portable audio listening apparatus includes, for example, a portable audio playback apparatus serving as a portable transmission apparatus and a headphone serving as a portable receiving apparatus. The portable audio playback apparatus has an electrode at its side. The headphone includes an ear pad made from an electrically conductive material and an electric-circuit unit. The ear pad serves as an electrode and is connected to the electric-circuit unit by wiring. The electric-circuit unit includes a signal processing circuit and a battery. When the user wears the portable audio playback apparatus and the headphone, a transmission path is formed through the body of the user. A signal reproduced by the portable audio playback apparatus is sent through the body of the user and the ear pad to the electric-circuit unit of the headphone.
    • 便携式音频收听装置包括例如用作便携式传输装置的便携式音频播放装置和用作便携式接收装置的耳机。 便携式音频播放装置在其侧面具有电极。 耳机包括由导电材料制成的耳垫和电路单元。 耳垫用作电极,并通过布线连接到电路单元。 电路单元包括信号处理电路和电池。 当用户佩戴便携式音频播放设备和耳机时,通过用户的主体形成传输路径。 由便携式音频播放装置再现的信号通过用户的身体和耳垫发送到耳机的电路单元。
    • 69. 发明授权
    • Wet friction plate assembly
    • 湿摩擦板组件
    • US06712190B2
    • 2004-03-30
    • US10206360
    • 2002-07-29
    • Ken KitaoriShigeru TajimaYuji Koga
    • Ken KitaoriShigeru TajimaYuji Koga
    • F16D1372
    • F16D13/648F16D25/123F16D65/12F16D2069/004
    • A wet friction plate assembly which is capable of discharging the lubricant existing between the friction plate and the separation plate to restrict the accompanying rotation of the separation plate of a wet multiple-plate clutch etc. while it is disengaged. A wet friction plate assembly for a wet multiple-plate clutch, or a wet multiple-plate brake includes a plurality of separation plates; a plurality of friction elements; and a plurality of friction plates, on contact surfaces of which the plurality of friction elements are fixed for transmitting torque to the plurality of separation plates in pressure contact, wherein the plurality of friction elements are disposed spacing at regular intervals circumferentially on each contact surface of the plurality of friction plates to form a plurality of oil passages for a lubricant between respective neighboring pairs of the plurality of friction elements, and wherein a width of each of the plurality of lubricant passages is increased progressively in a direction of inward to outward radially of each of the plurality of friction plates.
    • 一种湿摩擦板组件,其能够将存在于摩擦板和分离板之间的润滑剂排出,以限制湿式多板离合器等的分离板在其分离时的相应旋转。 用于湿式多板式离合器或湿式多板式制动器的湿式摩擦板组件包括多个分离板; 多个摩擦元件; 以及多个摩擦板,在其接触表面上,所述多个摩擦元件被固定以将扭矩传递到所述多个分离板的压力接触,其中所述多个摩擦元件在每个接触表面上的周向上以规则的间隔间隔设置 所述多个摩擦板在所述多个摩擦元件的相邻的一对之间形成用于润滑剂的多个油通道,并且其中所述多个润滑剂通道中的每一个的宽度在所述多个润滑剂通道的向内和向外的方向上逐渐增加, 多个摩擦片中的每一个。