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    • 1. 发明授权
    • Generator motor and electric vehicle using same
    • 发电机和电动汽车使用相同
    • US09431879B2
    • 2016-08-30
    • US14237033
    • 2012-08-13
    • Satoshi KikuchiSeiji IshidaTsutomu MiyoshiItsuro SawadaMakoto IshijimaShigenori Aoki
    • Satoshi KikuchiSeiji IshidaTsutomu MiyoshiItsuro SawadaMakoto IshijimaShigenori Aoki
    • H02K9/20H02K9/00H02K9/19H02K5/16H02K3/24
    • H02K9/19B60L2200/00H02K3/24H02K5/161H02K9/005Y02T10/641Y02T90/16
    • To uniformly cool down armature windings along the circumferential direction of a stator in a generator motor. A generator motor includes a stator 1 fixed to the inner diameter side of a housing 18, a rotor 130 rotatably supported by bearings 5, and armature windings wound around the teeth of a stator core 110. Each of brackets 200 provided via the bearings 5 has a passage 201, 202 through which cooling oil flows and injection holes 204 which communicate with the passage and inject cooling oil at positions opposite to winding ends of the armature windings. Cooling oil is injected toward the winding ends of the armature windings from the injection holes 204 of the brackets 200 arranged on opposite axial sides of a shaft 6. In the flow rate distribution of the oil from the plurality of the injection holes 204, the flow rate of the oil from any of the injection holes 204 is set to be greater as the position of the injection hole 204 is higher above the level of the shaft 6. The arrangement pitch among the injection holes 204 provided on each of the brackets 200 is dense in a vertically upper portion of the bracket 200, and gradually sparser in a portion thereof closer to the level of shaft 6.
    • 沿发电机电机中的定子的圆周方向均匀地冷却电枢绕组。 发电机电动机包括固定在壳体18的内径侧的定子1,由轴承5可旋转地支撑的转子130以及绕定子铁芯110的齿缠绕的电枢绕组。经由轴承5提供的每个支架200具有 通过冷却油流过的通道201,202以及与通道连通并在与电枢绕组的绕组端相对的位置处喷射冷却油的喷射孔204。 冷却油从布置在轴6的相对的轴向侧上的支架200的喷射孔204向电枢绕组的绕组端注入。在来自多个喷射孔204的油的流量分布中, 随着喷射孔204的位置高于轴6的高度,来自任何喷射孔204的油的速率被设定得更大。设置在每个托架200上的喷射孔204之间的排列间距是 在支架200的垂直上部处致密,并且在其更接近轴6的高度的部分中逐渐变稀。
    • 2. 发明授权
    • Semiconductor light source lighting circuit and vehicular lamp
    • 半导体光源照明电路和车灯
    • US08970136B2
    • 2015-03-03
    • US14197571
    • 2014-03-05
    • Satoshi KikuchiTakanori NambaMasayasu ItoDaijiro ArisawaMikio Motomori
    • Satoshi KikuchiTakanori NambaMasayasu ItoDaijiro ArisawaMikio Motomori
    • H05B37/02H05B33/08B60Q1/00
    • H05B33/0815B60Q1/00H05B33/0848Y02B20/346
    • A semiconductor light source lighting circuit includes a voltage step-down unit configured to generate a drive voltage lower than an input voltage by turning on or off a first switching element in a voltage step-down mode, a voltage step-up unit configured to generate the drive voltage higher than the input voltage by turning on or off a second switching element in a voltage step-up mode, and a controller. The controller includes a charge pump unit configured to repeat charging from the drive voltage to a second capacitor and discharging from the charged second capacitor to the first capacitor in the voltage step-up mode, and a switch drive unit configured to apply a voltage higher than the voltage at the other end of the first switching element to the control terminal of the first switching element by using a voltage of the charged first capacitor.
    • 一种半导体光源照明电路,包括:降压单元,被配置为通过以降压模式接通或关闭第一开关元件来产生低于输入电压的驱动电压;电压升压单元,被配置为产生 通过以升压模式接通或关闭第二开关元件,驱动电压高于输入电压,以及控制器。 所述控制器包括:电荷泵单元,被配置为在所述升压模式下,从所述驱动电压向所述第二电容器重复充电并从所述充电的第二电容器向所述第一电容器放电;以及开关驱动单元,被配置为施加高于 通过使用充电的第一电容器的电压将第一开关元件的另一端的电压提供给第一开关元件的控制端子。