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    • 1. 发明授权
    • Arc spinner interrupter
    • 电弧丝锥断路器
    • US5015810A
    • 1991-05-14
    • US446476
    • 1989-12-05
    • David P. EppingerHatim H. Taj
    • David P. EppingerHatim H. Taj
    • H01H33/18
    • H01H33/187
    • An arc spinner interrupter includes a first fixed electrical contact and a ring electrode coupled to the fixed contact through a field coil surrounding the ring electrode. A second electrical contact has an arm which moves along a path perpendicular to the central longitudinal axis for selective connection with the fixed contact. The arm may have a generally L-shaped configuration including an angled portion that extends in a direction parallel to the central longitudinal axis and a conductor extends toward the angled portion through the ring electrode along the central longitudinal axis. The conductor has an inner axial end that is spaced slightly from the angled portion of the arm when the arm is moved to a position intersecting the central longitudinal axis so that a grading function is carried out on the electrostatic field surrounding the angled portion of the arm. This grading function serves to limit the stress exerted by the electrostatic field adjacent the angled portion of the arm section. Further, the presence of the conductor within the ring electrode reduces the wear to the angled portion by permitting transfer of an arc from the angled portion during an interruption operation such that heat from the arc is distributed in the conductor rather than in the angled portion. During movement of the second contact away from the fixed contact, electromagnetic forces are simultaneously exerted on the arc due to the general L-shape of the arm of the second contact and move the arc material both toward the ring electrode and in the direction in which the arc spins once it has commuted to the ring electrode.
    • 3. 发明授权
    • Adaptor for a high voltage cable
    • 适用于高压电缆
    • US4032205A
    • 1977-06-28
    • US722009
    • 1976-09-10
    • Hatim H. Taj
    • Hatim H. Taj
    • H02G15/068H01R15/00
    • H02G15/068
    • A ground contact adaptor for a high voltage cable having a metallic tape shield, the adaptor including a contact sleeve assembly having an electrically conductive band connected to a copper braid partially embedded within a conducting rubber contact sleeve and extending outwardly therefrom to form a ground contact, a spring biasing the band into electrical engagement with the metallic tape shield of the high voltage cable and a conducting rubber sleeve sealingly engaging the contact sleeve and cable insulation to form a water-tight seal around the band.
    • 一种用于具有金属带屏蔽的高压电缆的接地接头适配器,所述适配器包括接触套筒组件,所述接触套筒组件具有连接到部分地嵌入在导电橡胶接触套筒内并从其向外延伸以形成接地触头的铜编织物的导电带, 将带偏压到与高压电缆的金属带屏蔽层电接合的弹簧和导电橡胶套筒密封地接合接触套筒和电缆绝缘体以在带周围形成防水密封。