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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.
    • 7. 发明公开
    • Separable electrical connector assembly
    • 可分离的电连接器组件
    • EP1378972A2
    • 2004-01-07
    • EP03254165.8
    • 2003-06-30
    • Thomas & Betts International, Inc.
    • Borgstrom, Alan D.Stepniak, Frank M.Siebens, Larry N.
    • H01R13/648
    • H01R13/53H01R13/5216H01R13/629H01R13/648H01R24/20H01R33/7678H01R43/26H01R2101/00
    • Separable electrical connectors which are modified to reduce the probability of flashover upon disassembly operation of a bushing insert from a power cable elbow connector. The bushing insert is provided with vents to vent a cavity formed between the elbow cuff and the transition shoulder portion of the bushing insert with ambient air to avoid a decrease in pressure within the connection region and avoid a decrease in the dielectric strength of the air therein thus preventing flashover. The vents can be provided directly on the transition shoulder portion of the insert, an elbow seating indicator band or on a bushing insert interface shell. Additionally, the band and the shell may be formed of a bright contrasting color which serves to indicate whether the loadbreak connector is improperly assembled. The shell further reduces friction upon assembly of the connector.
    • 可拆卸的电连接器被修改以减少套管插入件从电力电缆弯头连接器拆卸操作时发生闪络的可能性。 套管插入件设置有通风孔以利用环境空气将形成在弯管套管和套管插入件的过渡肩部之间的腔体排出,以避免连接区域内的压力降低并且避免其中的空气的介电强度降低 从而防止闪络。 通气孔可以直接设置在插入件的过渡肩部,肘靠就位指示器带或衬套插入件接口外壳上。 另外,带和外壳可以由明亮的对比色形成,用于指示负载断开连接器是否装配不正确。 壳体进一步减小了组装连接器时的摩擦。
    • 10. 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。