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    • 5. 发明申请
    • HANDHELD ELECTRIC MACHINE TOOL
    • 手持电动工具
    • US20120045976A1
    • 2012-02-23
    • US13142696
    • 2009-12-17
    • Jochen RoserStefano DelfiniThilo KoederJoachim PlatzerIvan Spremo
    • Jochen RoserStefano DelfiniThilo KoederJoachim PlatzerIvan Spremo
    • B24B23/00B24B49/10
    • B24B1/04B24B23/00
    • A handheld electric machine tool is described including a housing with a grip area, a tool area for a tool that is drivable in a linear and/or oscillating manner, an operating part on the housing for activation of the tool and/or the electric machine tool by the user, a drive unit disposed in the housing for producing a working motion of the tool, an electronic unit disposed in the housing for acting upon the drive unit with at least control and/or regulating signals, an operating voltage unit for supplying an electrical DC voltage, the drive unit including at least one excitation actuator having a volume of excitation-active material, which excitation actuator when in operation is electrically supplied by the operating voltage unit, is controlled or regulated by the electronic unit. The electronic unit may be configured to operate the at least one excitation actuator in a resonant frequency.
    • 描述了一种手持电动机床,其包括具有握持区域的壳体,用于可线性和/或振荡方式驱动的工具的工具区域,用于启动工具和/或电机的壳体上的操作部件 用于使用者的工具,设置在壳体中以用于产生工具的工作运动的驱动单元,设置在壳体中的至少具有至少控制和/或调节信号的驱动单元的电子单元,用于供应的工作电压单元 所述驱动单元包括具有一定体积的激励活性材料的至少一个激励致动器,所述激励致动器在操作中由所述工作电压单元供电时被所述电子单元控制或调节。 电子单元可以被配置为以共振频率操作至少一个激励致动器。