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    • 32. 发明申请
    • Conduit insert for optical fiber cable
    • 光纤电缆导管插件
    • US20050047735A1
    • 2005-03-03
    • US10625008
    • 2003-07-23
    • David Morris
    • David Morris
    • G02B6/46G02B6/44G02B6/50H01B9/00H01B11/22H02G9/06
    • H02G9/06G02B6/4459G02B6/508H02G3/0481H02G9/065
    • A flexible innerduct structure is configured to contain a cable within a conduit. The innerduct structure includes a pair of adjacent strip-shaped layers of flexible material that are joined along their longitudinal edges to define a channel through which the cable can extend longitudinally through the innerduct structure between the layers. The adjacent layers have differing widths between their longitudinal edges, whereby the wider layer bulges away from the narrower layer to impart an open configuration to the channel. Other features of the innerduct structure relate to the material of which it is formed. Such features includes the structure of the material, such as a woven structure, and further include properties such as melting point, tensile strength, elongation, coefficient of friction, crimp resistance and compression recovery.
    • 柔性内层结构构造成在导管内容纳电缆。 内层结构包括一对相邻的柔性材料的带状层,它们沿其纵向边缘接合以限定通道,电缆可以通过该沟槽纵向延伸穿过层之间的内层结构。 相邻的层在它们的纵向边缘之间具有不同的宽度,由此更宽的层从更窄的层起凸起以向通道赋予开放构造。 内层结构的其他特征涉及其形成的材料。 这些特征包括材料的结构,例如织造结构,并且还包括诸如熔点,拉伸强度,伸长率,摩擦系数,抗卷曲性和压缩恢复性等。
    • 33. 发明授权
    • Current overload protection circuit
    • 电流过载保护电路
    • US4017789A
    • 1977-04-12
    • US568486
    • 1975-04-16
    • David Morris
    • David Morris
    • H02H7/12H02M3/156G05F1/56
    • H02M3/1563H02H7/1213
    • A constant potential power supply with current overload protection having a series switching regulator including a series switching circuit controlled by both a Schmitt-trigger circuit controlled by an output voltage detector to maintain the output load voltage within a predetermined range during normal operation and a current overload protection circuit having a foldback characteristic which operates when the output current goes above a predetermined value. The Schmitt-trigger circuit is actuated by a signal from an output voltage detection circuit when the output load potential decreases below a certain value to enable the series switching circuit to conduct current to the load from an input voltage source and is disabled as the output load potential goes above a certain value. After actuation of the series switching circuit and until it is disabled, charging current passes into an integrating capacitor. This integrating capacitor, is coupled across the load, and discharges through it when the series switching circuit is cut-off. The current overload protection circuit, which senses the output load current, exclusively controls and enables and disables the series switching circuit of the regulator when the output current increases above a predetermined level. The particular arrangement between the series switching circuit and the current overload protection circuit is such that the current overload circuit is not within the output voltage detection loop thereby improving the overall regulation of the constant potential power supply and provides significant current overload protection thereto.
    • 具有电流过载保护的恒定电位电源具有串联开关调节器,其包括由输出电压检测器控制的施密特触发电路控制的串联开关电路,以在正常操作期间将输出负载电压维持在预定范围内,并且电流过载 保护电路具有当输出电流超过预定值时工作的折返特性。 当输出负载电位降低到一定值以下时,施密特触发电路由输出电压检测电路的信号启动,使得串联开关电路能够从输入电压源向负载传导电流,并被禁用作为输出负载 潜力超过一定价值。 在串联开关电路动作之后,直到被禁止,充电电流进入积分电容器。 该积分电容器跨过负载耦合,并且当串联切换电路被切断时通过它进行放电。 感测输出负载电流的电流过载保护电路在输出电流增加到预定水平以上时专门控制和使能并禁止调节器的串联切换电路。 串联开关电路和电流过载保护电路之间的特定布置使得电流过载电路不在输出电压检测环路内,从而改善恒定电位电源的总体调节,并为其提供显着的电流过载保护。
    • 34. 发明申请
    • Oscillating fluid power generator
    • 振动流体发电机
    • US20070297903A1
    • 2007-12-27
    • US11895568
    • 2007-08-23
    • David Morris
    • David Morris
    • F03D3/00B21K25/00
    • F03D5/06F03B17/06F05B2210/404F05B2240/302F05B2240/40F05B2260/4031F05B2260/5032Y02E10/28Y02E10/70Y02E10/721Y02E10/725Y10T29/4932
    • A system and method for harvesting the kinetic energy of a fluid flow for power generation with a vertically oriented, aerodynamic wing structure comprising one or more airfoil elements pivotably attached to a mast. When activated by the moving fluid stream, the wing structure oscillates back and forth, generating lift first in one direction then in the opposite direction. This oscillating movement is converted to unidirectional rotational movement in order to provide motive power to an electricity generator. Unlike other oscillating devices, this device is designed to harvest the maximum aerodynamic lift forces available for a given oscillation cycle. Because the system is not subjected to the same intense forces and stresses as turbine systems, it can be constructed less expensively, reducing the cost of electricity generation. The system can be grouped in more compact clusters, be less evident in the landscape, and present reduced risk to avian species.
    • 一种用于通过垂直取向的空气动力学翼结构收集用于发电的流体流的动能的系统和方法,其包括可枢转地连接到桅杆的一个或多个翼型元件。 当被移动的流体流激活时,机翼结构来回振荡,首先在一个方向上产生升高然后沿相反的方向产生升力。 这种振荡运动被转换为单向旋转运动,以向发电机提供动力。 与其他振荡装置不同,该装置设计用于获得给定振荡周期可用的最大空气动力提升力。 由于该系统不会受到与涡轮机系统相同的强大力量和应力的影响,因此可以较低成本地降低成本,降低发电成本。 该系统可以分组成更紧凑的群集,在景观中不太明显,并且降低了禽类物种的风险。