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    • 91. 发明申请
    • Electric hand tool
    • 电手工具
    • US20060011367A1
    • 2006-01-19
    • US10893370
    • 2004-07-19
    • Cheng TengHarry Chang
    • Cheng TengHarry Chang
    • E21B19/18
    • B25F5/00B25B21/00
    • An electric hand tool includes a housing, which houses a driving mechanism and a chuck for driving a bit, a battery pack for providing electricity to the driving mechanism, and a switch unit installed in the housing. The switch unit has a switch, an operating member for switching on/off the switch to control supply of electricity from the battery pack to the driving mechanism, and a switching lever extended out of a through hole in the rear portion of the housing and forming a switching portion for operation by the thumb of the hand holding the housing to drive the switching lever to change the direction of electric current and to further reverse the direction of rotation of the driving mechanism.
    • 电动手动工具包括容纳驱动机构的壳体和用于驱动钻头的卡盘,用于向驱动机构提供电力的电池组以及安装在壳体中的开关单元。 开关单元具有开关,用于接通/断开开关的操作构件,以控制从电池组向驱动机构的供电;以及从壳体后部的通孔延伸出来的切换杆,并形成 保持壳体的手的拇指操作的切换部分,以驱动切换杆来改变电流的方向,并进一步扭转驱动机构的旋转方向。
    • 99. 发明授权
    • Method and device for suppressing high-voltage electricity
    • 用于抑制高压电的方法和装置
    • US09553444B2
    • 2017-01-24
    • US14966926
    • 2015-12-11
    • MOBILETRON ELECTRONICS CO., LTD.
    • Chen-Ku Wei
    • H02P25/30H02H7/125H02H3/20
    • H02H7/1252H02H3/20
    • A device for suppressing high-voltage electricity is connected to a three-phase circuit of an electric generator, including three up arm semiconductor switches, three low arm semiconductor switches, three reverse breakdown diodes respectively connected to the low arm semiconductor switches in parallel, and a control circuit sending PWM signals to turn on and off the low arm semiconductor switches sequentially to evenly share and absorb the energy of surge voltage. Each of the up arm semiconductor switches has a first terminal and a second terminal, wherein the first terminals are electrically connected together, and the second terminals are respectively electrically connected to one of three coils of the three-phase circuit. Each of the low arm semiconductor switches has a first terminal and a second terminal, wherein the first terminals are respectively electrically connected to the second terminals of the up arm semiconductor switches, and the second terminals are electrically connected together.
    • 用于抑制高压电力的装置连接到发电机的三相电路,包括三个上臂半导体开关,三个低臂半导体开关,三个并联连接到低臂半导体开关的反向击穿二极管,以及 发送PWM信号以顺序地打开和关闭低臂半导体开关的控制电路以均匀地共享和吸收浪涌电压的能量。 每个上臂半导体开关具有第一端子和第二端子,其中第一端子电连接在一起,并且第二端子分别电连接到三相电路的三个线圈中的一个。 每个低臂半导体开关具有第一端子和第二端子,其中第一端子分别电连接到上臂半导体开关的第二端子,并且第二端子电连接在一起。
    • 100. 发明授权
    • Cutter adapter for cutting machine
    • 切割机切割机适配器
    • US08117757B2
    • 2012-02-21
    • US12421747
    • 2009-04-10
    • Tung-Chin Kuo
    • Tung-Chin Kuo
    • B27B11/06B23D51/08
    • B23D51/10Y10T83/929Y10T83/9481Y10T279/17717
    • A cutter adapter includes a holder having a receiving portion for inserting a cutter therein; a sleeve sleeved onto the holder and having an annular bevel; a lock pin inserted into the holder and having an active end and a passive end, the passive end being squeezed by the annular bevel when the sleeve is moved, the active end being inserted into the cutter when the passive end is squeezed; and a biasing pin located in the receiving portion and pushed by a spring mounted in the receiving portion. In this way, when intending to mount the cutter to the cutter adapter, the user only needs to insert the cutter into the receiving portion to force the biasing pin to disengage from the lock pin, the lock pin being forced by the annular bevel to insert the active end into the receiving portion to hold the cutter.
    • 切割器适配器包括具有用于将切割器插入其中的接收部分的保持器; 套筒套在保持器上并具有环形斜面; 锁定销插入保持器中并且具有主动端和被动端,当套筒移动时被动端被环形斜面挤压,当被动端被挤压时,主动端插入到切割器中; 以及位于所述接收部分中并由安装在所述接收部分中的弹簧推动的偏压销。 以这种方式,当要将切割器安装到切割器适配器上时,用户只需要将切割器插入接收部分中,以迫使偏置销与锁定销脱离,锁定销被环形斜面强制插入 活动端进入接收部分以保持切割器。