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    • 6. 发明授权
    • Electrical device, in particular an electrical hand-held power tool
    • 电气设备,特别是电动手持式电动工具
    • US08067860B2
    • 2011-11-29
    • US11915827
    • 2006-07-25
    • Erhard HoffmannJan BreitenbachMarcin Rejman
    • Erhard HoffmannJan BreitenbachMarcin Rejman
    • H02J7/00
    • B25F5/02H01M2/105H01M2/1055
    • The invention is based on an electric device, in particular an electric hand tool, having a removable power supply unit (18, 70, 104), an accommodation region (16, 102, 132, 144, 156) for accommodating the power supply unit (18, 70, 104), and a locking device (20, 76, 114, 134, 146, 154) for locking the power supply unit (18, 70, 104) to the accommodation region (16, 102, 132, 144, 156). It is proposed that the locking device (20, 76, 114, 134, 146, 154) is provided for the purpose of unlocking the power supply unit (18, 70, 104) from a locked state—by means of a force which is exerted on the power supply unit (18, 70, 104) and moves the entire power supply unit (18, 70, 104) in relation to the accommodation region (16, 102, 132, 144, 156).
    • 本发明基于具有可拆卸电源单元(18,70,104)的电气设备,特别是电动手动工具,用于容纳电源单元的容纳区域(16,102,132,144,156) (18,70,104)和用于将电源单元(18,70,104)锁定到容纳区域(16,102,132,144)的锁定装置(20,76,114,134,146,154) ,156)。 提出锁定装置(20,76,114,134,146,154)的目的是通过一个力来解锁电源单元(18,70,104)而不被锁定的状态 施加在电源单元(18,70,104)上并使整个电源单元(18,70,104)相对于容纳区域(16,102,132,144,156)移动。
    • 10. 发明申请
    • Electric hand tool
    • 电手工具
    • US20060175915A1
    • 2006-08-10
    • US11304302
    • 2005-12-15
    • Mike VoigtErhard HoffmannFrank FuchsMartin Schulz
    • Mike VoigtErhard HoffmannFrank FuchsMartin Schulz
    • H02K9/00
    • F04D29/281B25F5/008H02K9/06
    • An electric hand tool having a machine housing, with an electric motor accommodated in the machine housing for driving a tool, and a fan wheel accommodated in the machine housing for generating a main cooling air current that flows from a main air inlet to a main air outlet through the machine housing, which said fan wheel creates a suction space and a pressure space on opposite sides when it rotates, wherein means for generating an additional air current are provided and configured such that the additional air current flows onto at least one machine component that is located outside of or in a low-flow region of the main cooling air current, wherein the electric motor includes a motor winding with winding heads that project outward on at least one end face of the electric motor, the fan wheel is located with axial clearance in front of the end face of the electric motor and is configured such that the suction space is located in front of the end face of the electric motor where the winding heads are located, and the means for generating the additional air current have additional air inlets that lead into the suction space, wherein the additional air inlets are passages located in a dividing wall that separates the pressure space from the suction space and, preferably, the passages are separated from the axis of the fan wheel by the greatest radial distance possible.
    • 一种具有机壳的电手工具,容纳在机壳中的用于驱动工具的电动机和容纳在机壳中的风扇轮,用于产生从主空气入口到主空气的主冷却气流 所述风扇轮在其旋转时在相对侧产生吸入空间和压力空间,其中产生附加气流的装置被设置和构造成使得附加气流流到至少一个机械部件上 其位于主冷却风流的低流动区域的外侧或其中,其中,所述电动机包括电动机绕组,所述电动机绕组具有在所述电动机的至少一个端面向外突出的绕组头,所述风扇轮位于 在电动机的端面前方具有轴向间隙,并且构造成使得吸入空间位于电动机的端面的前方,其中wi 定位头,并且用于产生附加气流的装置具有引入吸入空间的额外的空气入口,其中附加空气入口是位于分隔壁中的通道,其将压力空间与吸入空间分开,并且优选地, 通道与风扇叶轮的轴线分开可能的最大径向距离。