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    • 10. 发明申请
    • Power Tool
    • 电动工具
    • US20130014967A1
    • 2013-01-17
    • US13496846
    • 2011-03-29
    • Yutaka ItoKatsuhiro OomoriMizuho NakamuraTomomasa NishikawaHironori Mashiko
    • Yutaka ItoKatsuhiro OomoriMizuho NakamuraTomomasa NishikawaHironori Mashiko
    • B25D15/02H02P6/06
    • B25F5/00B25F5/021H02P6/06
    • An electronic pulse driver includes a motor, a hammer, an anvil, an end tool mounting unit, a power supply unit, and a control unit. The hammer is rotatable together with the anvil. The end tool mounting unit transmits the rotation of the anvil to an end tool. The power supply unit supplies a drive electric power to the motor. The control unit controls the power supply unit to halt a supply of the drive electric power to the motor when an electric current flowing to the motor increases to a prescribed value. The control unit controls the power supply unit to supply to the motor a prestart electric power lower than the drive electric power before supplying the drive electric power in order to permit the power supply unit to supply the drive electric power after the hammer is in contact with the anvil.
    • 电子脉冲驱动器包括马达,锤子,砧座,端部工具安装单元,电源单元和控制单元。 锤子与砧座一起旋转。 端部工具安装单元将砧座的旋转传递到端部工具。 电源单元向电动机提供驱动电力。 当流过电动机的电流增加到规定值时,控制单元控制电源单元停止对电动机的驱动电力的供应。 所述控制单元控制所述电源单元向所述电动机提供在供给所述驱动电力之前低于所述驱动电力的预电力电力,以允许所述电源单元在所述锤接触之后提供所述驱动电力 铁砧。