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    • 7. 发明授权
    • Powder container, cleaning device, and image forming apparatus including sealing member
    • 粉末容器,清洁装置和包括密封构件的图像形成装置
    • US08583002B2
    • 2013-11-12
    • US13156090
    • 2011-06-08
    • Hiroaki YagiHirofumi Goto
    • Hiroaki YagiHirofumi Goto
    • G03G15/08G03G15/16
    • G03G21/12G03G2215/1661
    • A powder container includes a housing including a container chamber, a rotation member extending in an axial direction, and a sealing member. The housing includes a first wall portion having a first hole into which an end portion of the rotation member is inserted. The rotation member includes a second wall facing a part of the first wall portion around the first hole with a distance therebetween. The sealing member has a second hole through which the rotation member extends, is interposed between the part of the first wall portion around the first hole and the second wall portion, and includes a foam member that is contractible and a pair of sheet members respectively contacting the part of the first wall portion around the first hole and the second wall portion and having a friction coefficient lower than the foam member.
    • 粉末容器包括:壳体,包括容器室,沿轴向延伸的旋转构件和密封构件。 壳体包括具有第一孔的第一壁部分,旋转构件的端部插入该第一孔中。 旋转构件包括面向第一孔周围的第一壁部分的第二壁,其间具有一定距离。 密封构件具有旋转构件延伸穿过的第二孔,介于第一壁部分周围的第一孔部分与第二壁部分之间,并且包括可收缩的泡沫构件和分别接触的一对薄片构件 所述第一壁部分围绕所述第一孔和所述第二壁部分的部分,并且具有低于所述泡沫构件的摩擦系数。
    • 9. 发明授权
    • Wheel driving apparatus and electric vehicle including the same
    • 车轮驱动装置和包括其的电动车辆
    • US08004223B2
    • 2011-08-23
    • US12389859
    • 2009-02-20
    • Hiroaki YagiHideki MatsuedaMikio Saitou
    • Hiroaki YagiHideki MatsuedaMikio Saitou
    • H02P25/00
    • B60L11/1803B60L15/025B60L2200/12B60L2220/44B62K2204/00B62M7/12H02K21/026H02P21/06H02P25/03Y02T10/641Y02T10/643Y02T10/7005
    • An electric bike includes a wheel driving apparatus. The wheel driving apparatus includes an electric wheel drive motor which drives a wheel, a gap changer which changes a gap length in the wheel drive motor, and a motor control unit which controls the wheel drive motor and the gap changer. The motor control unit calculates a target gap length for the gap changing motor in the gap changer based on an accelerator opening-degree signal, a rotation speed, a q-axis electric-current command value, a power source voltage, and a voltage utilization rate. Then, a feedback control is provided to the gap changer based on a difference value between the target gap length and the actual gap-length. A good vehicle characteristic is obtained without being affected by individual variability or operating environment of the electric motor through efficient drive of the electric motor from a low-speed range through a high-speed range.
    • 电动自行车包括车轮驱动装置。 车轮驱动装置包括驱动车轮的电动车轮驱动电动机,改变车轮驱动电动机中的间隙长度的间隙更换器以及控制车轮驱动电动机和间隙变换器的电动机控制单元。 电动机控制单元基于加速器开度信号,转速,q轴电流指令值,电源电压和电压利用率来计算间隙变更电动机的间隙变更电动机的目标间隙长度 率。 然后,基于目标间隙长度与实际间隙长度的差值,向间隙变更器提供反馈控制。 通过高速驱动电动机从低速范围通过高速范围,可以获得良好的车辆特性而不受电动机的个体变化或操作环境的影响。