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    • 4. 发明授权
    • Mobile device adapter and charger
    • 移动设备适配器和充电器
    • US08749998B2
    • 2014-06-10
    • US13345085
    • 2012-01-06
    • Lee Harrison
    • Lee Harrison
    • H02H7/125
    • H02J7/0044H01F27/2804H01F27/2847
    • Systems and methods are presented for an improved high power density power adapter. On one potential embodiment, an improved power adapter includes an AC input; a rectifier coupled to the AC input; a power factor correction circuit coupled to the rectifier; and a burst switch circuit coupled to the power factor correction circuit. The burst switch circuit provides power to a DC output via a set of FET drivers, a set of FETs, and a transformer and may provides power exclusively in a burst mode using a feedback input from the DC output. The transformer may be composed of windings coupled to the set of FETs, and additional windings embedded in the PCB and coupled to the first winding. Certain windings may comprise a conductive ribbon that loops around a transformer core. Additional embodiments may include monitoring circuits and multiple outputs.
    • 提出了一种改进的高功率密度电源适配器的系统和方法。 在一个潜在实施例中,改进的电力适配器包括AC输入; 耦合到AC输入的整流器; 耦合到整流器的功率因数校正电路; 以及耦合到功率因数校正电路的脉冲串开关电路。 突发开关电路通过一组FET驱动器,一组FET和变压器为DC输出提供电力,并且可以使用来自DC输出的反馈输入以突发模式提供功率。 变压器可以由耦合到该组FET的绕组和嵌入在PCB中并耦合到第一绕组的附加绕组组成。 某些绕组可以包括环绕变压器芯的导电带。 另外的实施例可以包括监视电路和多个输出。
    • 5. 发明申请
    • MOBILE DEVICE ADAPTER AND CHARGER
    • 移动设备适配器和充电器
    • US20120201058A1
    • 2012-08-09
    • US13345085
    • 2012-01-06
    • Lee Harrison
    • Lee Harrison
    • H02M7/06H02H7/125
    • H02J7/0044H01F27/2804H01F27/2847
    • Systems and methods are presented for an improved high power density power adapter. On one potential embodiment, an improved power adapter includes an AC input; a rectifier coupled to the AC input; a power factor correction circuit coupled to the rectifier; and a burst switch circuit coupled to the power factor correction circuit. The burst switch circuit provides power to a DC output via a set of FET drivers, a set of FETs, and a transformer and may provides power exclusively in a burst mode using a feedback input from the DC output. The transformer may be composed of windings coupled to the set of FETs, and additional windings embedded in the PCB and coupled to the first winding. Certain windings may comprise a conductive ribbon that loops around a transformer core. Additional embodiments may include monitoring circuits and multiple outputs.
    • 提出了一种改进的高功率密度电源适配器的系统和方法。 在一个潜在实施例中,改进的电力适配器包括AC输入; 耦合到AC输入的整流器; 耦合到整流器的功率因数校正电路; 以及耦合到功率因数校正电路的脉冲串开关电路。 突发开关电路通过一组FET驱动器,一组FET和变压器为DC输出提供电力,并且可以使用来自DC输出的反馈输入以突发模式提供功率。 变压器可以由耦合到该组FET的绕组和嵌入在PCB中并耦合到第一绕组的附加绕组组成。 某些绕组可以包括环绕变压器芯的导电带。 另外的实施例可以包括监视电路和多个输出。
    • 6. 发明授权
    • Hemming machine with dual ball screw drive
    • 起重机采用双滚珠丝杠驱动
    • US06474125B1
    • 2002-11-05
    • US09861067
    • 2001-05-18
    • Kenneth Saint DenisRay CoteLouis RaffinLee Harrison
    • Kenneth Saint DenisRay CoteLouis RaffinLee Harrison
    • B21D516
    • B21D39/021Y10T29/53791
    • A hemming machine for sheet metal is disclosed having a base adapted to be supported on a ground support surface. A cradle is vertically slidably mounted to the base while a nest is mounted to the cradle and adapted to support the part to be hemmed. Hemming tooling is mounted to the base and movable between an extended position in which the hemming tooling overlies the nest, and a retracted position in which the hemming tooling is spaced laterally outwardly from the nest. A pair of spaced ball screws are rotatably mounted to the base and threadably connected to the cradle on opposite sides of the nest so that rotation of the ball screws vertically displaces the cradle relative to the base. A single drive motor is drivingly connected through a two speed gear box to both ball screws to rotatably drive the ball screws in synchronism with each other.
    • 公开了一种用于金属板的折边机,其具有适于被支撑在地面支撑表面上的基座。 托架可垂直地可滑动地安装在基座上,同时将托架安装到托架上并适于支撑待卷绕的部件。 珩磨工具安装到基座并且可以在其中折叠工具覆盖在嵌套之间的延伸位置和缩回位置之间移动,折叠工具横向向外与嵌套隔开。 一对间隔开的滚珠丝杠可旋转地安装在基座上,并且在座的相对侧上可枢转地连接到托架上,使得滚珠丝杠的旋转使支架相对于基座垂直地移位。 单个驱动马达通过双速齿轮箱驱动地连接到两个滚珠丝杠上,以相互同步地旋转地驱动滚珠丝杠。
    • 8. 发明授权
    • Interior hemming machine
    • 内部折边机
    • US06418771B1
    • 2002-07-16
    • US09694529
    • 2000-10-23
    • Louis RaffinRaymond CoteLee Harrison
    • Louis RaffinRaymond CoteLee Harrison
    • B21D3902
    • B21D39/021Y10T29/53791
    • An inside perimeter hemming machine is disclosed having a base adapted to be supported by a ground surface. A nest adapted to support the part to be hemmed is vertically movably mounted relative to the base between predetermined vertical positions while at least one actuator vertically moves the nest relative to the base. A die assembly housing is mounted to the base, and this die assembly housing extends through the-opening on the part to be hemmed. At least two die sets are horizontally slidably mounted to the housing so that the die sets are movable between an extended and a retracted position. In their extended position, the die sets overlay the part to be hemmed so that, upon vertical displacement of the nest, a prehem or hem is performed. Conversely, when the die sets are in their retracted position, the nest together with the part to be hemmed is freely vertically movable. A wedge drive member is utilized to simultaneously move the die sets between their extended and retracted positions.
    • 公开了一种内周折边机,其具有适于由地面支承的底座。 适于支撑要被卷绕的部分的嵌套可相对于基座在预定垂直位置之间垂直移动地安装,而至少一个致动器相对于基座垂直移动嵌套。 模具组件壳体安装到基座,并且该模具组件壳体延伸穿过待卷绕的部件上的开口。 至少两个模具组可水平地可滑动地安装到壳体,使得模具组可在延伸位置和缩回位置之间移动。 在其延伸位置,模具将覆盖要被卷绕的部分覆盖,使得在垂直位移时,进行预浸或下摆。 相反,当模具组处于其缩回位置时,嵌套与要被卷边的部分可自由地垂直移动。 楔形驱动构件用于同时在其延伸位置和缩回位置之间移动模具组。