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    • 54. 发明申请
    • CIRCUIT INTERRUPTER WITH CONTINUOUS SELF-TESTING FEATURE
    • 具有连续自检功能的电路中断器
    • US20100073002A1
    • 2010-03-25
    • US12235869
    • 2008-09-23
    • David ChanJames A. PorterRoger M. Bradley
    • David ChanJames A. PorterRoger M. Bradley
    • G01R31/327H01H11/00
    • G01R31/3272H01H83/04Y10T29/49105
    • A circuit interrupter includes a current transformer, phase conductor and neutral conductor. The phase conductor and the neutral conductor are each configured to pass through the transformer from line side to load side that are defined by the current transformer. The circuit interrupter generates a continuous test current by continuous current imbalance established between the load side of the phase conductor and the line side of the neutral conductor, or between the line side of the phase conductor and the load side of the neutral conductor. A continuous test conductor may be coupled correspondingly to establish the current imbalance. Alternatively, an integrated circuit coupled correspondingly receives power and is energized by a quiescent current thereby. The current imbalance is established by the quiescent current. The current transformer detects the quiescent current as the continuous test current. Corresponding methods are also disclosed.
    • 电路断路器包括电流互感器,相导体和中性导体。 相导体和中性导体各自被配置为通过变压器从电流互感器限定的线路侧到负载侧。 电路断续器通过在相导体的负载侧和中性导体的线路侧之间或相导体的线路侧和中性导体的负载侧之间建立的连续电流不平衡来产生连续的测试电流。 可以相应地连接测试导体以建立电流不平衡。 或者,耦合的集成电路相应地接收功率并由静止电流激励。 目前的不平衡是由静态电流建立的。 电流互感器检测静态电流作为连续测试电流。 还公开了相应的方法。
    • 60. 发明授权
    • Connection between vehicle axle and suspension arm
    • 车桥与悬臂之间的连接
    • US07270342B2
    • 2007-09-18
    • US11410479
    • 2006-04-25
    • David ChanMartin Peaker
    • David ChanMartin Peaker
    • B60R9/02
    • B60G9/003B60G7/001B60G2200/31B60G2204/4306B60G2206/012B60G2206/722B60G2206/8201
    • A vehicle suspension axle wrap is a composite tubular structure of cast or forged shells of part-tubular shape. The shells are assembled into a tubular form and welded together at juxtaposed edges. The shells can be cast or forged accurately to shape and profile to provide an improved quality axle wrap. Wall thickness variations can be designed into the shells. The juxtaposed edges are shaped to space the welding at the edges from the interior of the assembled axle wrap. The edges are beveled adjacent the external circumferential surfaces of the shells to provide a V-shaped groove at which the welding is made. There is a stepped engagement at the edges between the V-shaped groove and the internal surface of the axle wrap to prevent the welding from extending to the internal surface. Each shell is formed with an aperture at which a welded joint can be made between the axle wrap and an axle.
    • 车辆悬挂轴套是部分管状的铸造或锻造壳体的复合管状结构。 壳体组装成管状并且并列在并列的边缘上。 可以精确地铸造或锻造壳体的形状和轮廓,以提供改进的优质轴套。 壁厚变化可以设计成壳。 并置的边缘成形为在与组装的轴封的内部的边缘处的焊接空间。 边缘在壳体的外周表面附近倾斜以提供V形槽,在该V形槽处进行焊接。 在V形槽和轴套的内表面之间的边缘处有阶梯式接合,以防止焊接延伸到内表面。 每个外壳形成有一个孔,在该孔处可以在轴套和轴之间形成焊接接头。