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    • 4. 发明公开
    • Encapsulated fuse
    • 封装保险丝
    • EP0978861A1
    • 2000-02-09
    • EP99306255.3
    • 1999-08-06
    • Thomas & Betts International, Inc.
    • Stepniak, Frank M.
    • H01H85/042
    • H01H85/042H01H85/165H01H2085/0225H01H2085/2065
    • An encapsulated fuse assembly (10) with a corona shield for use in high voltage underground power distribution systems. The fuse assembly includes a fuse (11) encapsulated within an insulative outer housing (12). The outer surface (13) of the fuse is coated with an electrically conductive material (18) which is in electrical connection with one of the fuse terminals (16) and extends along the outer surface of the fuse body to a point intermediate the other terminal (17) leaving a portion (19) of the fuse body not coated with the conductive material. Preferably, at least the terminal (17) of the fuse not in contact with the conductive material is enveloped by an electrically conductive insert (24) disposed within the insulative outer housing which along with the conductive coating establish an effective corona shield around the fuse (11) without providing an alternate electrical circuit between the fuse terminals. The fuse assembly (1) may include a fuse spacer (34) which provides an electrical extension to the fuse (11) so that different size fuses may be utilized within a standard size housing.
    • 6. 发明公开
    • Connector system for an insulated switch with provision for grounding and visible break
    • Verbindersystemfüreinen isolierten Schalter mit Erdungseinrichtung und Sichtfenster
    • EP1863138A2
    • 2007-12-05
    • EP07075415.5
    • 2007-05-30
    • Thomas & Betts International, Inc.
    • Reed, AnthonySiebens, LarryStepniak, Frank M.
    • H01R13/53
    • H01R13/53H01H9/16H01H33/6606H01H33/6661
    • A connector system for a high voltage vacuum switch which includes: a voltage source connector; a load connector; a first contact in a vacuum bottle; and a second contact connected in series with the first contact, wherein the second contact is external to the vacuum bottle. The voltage source is connected to the load through the first and second contacts and the second contact includes a first separable interface, a second separable interface and a conducting pin. When the conducting pin is removed, an insulating pin can be inserted in its place. In preferred embodiments, the connector system includes a housing and a sight glass which extends through the housing for viewing the conducting pin. The connector system can also include a first and second connectors for the first and second separable interfaces, which are used for test connections and/or grounding connections.
    • 一种用于高压真空开关的连接器系统,包括:电压源连接器; 负载连接器; 真空瓶中的第一次接触; 以及与所述第一触点串联连接的第二触点,其中所述第二触点在所述真空瓶的外部。 电压源通过第一和第二触点连接到负载,并且第二触点包括第一可分离接口,第二可分离接口和导电引脚。 当导电针被去除时,可以将绝缘销插入其中。 在优选实施例中,连接器系统包括壳体和观察玻璃,其延伸穿过壳体以观察导电销。 连接器系统还可以包括用于第一和第二可分离接口的第一和第二连接器,其用于测试连接和/或接地连接。
    • 7. 发明公开
    • Visible open indicator
    • Sichtbarer Anzeiger
    • EP1863053A1
    • 2007-12-05
    • EP07075416.3
    • 2007-05-30
    • Thomas & Betts International, Inc.
    • Siebens, LarryStepniak, Frank M.
    • H01H33/66
    • H01H33/66207H01H33/666H01H2009/0292
    • A visible open indicator for high voltage vacuum interrupters and switches, which use a vacuum bottle having a high voltage contact and an actuating element (22) that opens and closes the contact, is provided. The visible open indicator (40) includes: an actuating mechanism (30) that operates the actuating element; a housing that contains the actuating mechanism; an indicator attached to the actuating mechanism, wherein the indicator shows that the contact is in an open position or closed position; a viewing window (42) extending through the housing, wherein the viewing window is aligned with the indicator so that the indicator can be viewed through the viewing window. The indicator includes a first indicating portion and a second indicating portion. The first indicating portion is visible through the viewing window when the contact is open and the second indicating portion is visible through the viewing window when the contact is closed.
    • 提供了使用具有高电压触点的真空瓶和打开和关闭触点的致动元件(22)的高电压真空断路器和开关的可视开启指示器。 可视打开指示器(40)包括:致动机构(30),其操作致动元件; 包含致动机构的壳体; 附接到所述致动机构的指示器,其中所述指示器示出所述触点处于打开位置或关闭位置; 延伸穿过所述外壳的观察窗(42),其中所述观察窗与所述指示器对齐,使得所述指示器可以通过所述观察窗观看。 指示器包括第一指示部分和第二指示部分。 当触点打开时,第一指示部分通过观察窗可见,并且当触点闭合时第一指示部分通过观察窗可见。