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    • 1. 发明授权
    • Limited restrike circuit interrupter used as a line capacitor and load switch
    • 有限重启电路断路器用作线路电容器和负载开关
    • US06316742B1
    • 2001-11-13
    • US09448198
    • 1999-11-23
    • Joseph R. RostronCary J. AhranoBrian J. Berner
    • Joseph R. RostronCary J. AhranoBrian J. Berner
    • H01H3304
    • H01R13/53H01H1/06H01H33/126
    • An actuator mechanism that decreases the time needed to move the contacts of a circuit interrupter between a closed circuit position and an open circuit position to reduce the probability of the occurrence of restrikes. The actuator mechanism uses a toggle spring arrangement that uses a single spring to move the interrupter through both an opening stroke and a closing stroke. The interrupter is designed to connect to the circuit in parallel, so that the interrupter is not normally in the circuit when the circuit is closed. Because the interrupter is not normally in the circuit, it can be manufactured to less stringent standards than those that apply to electrical components that normally remain in the circuit. The interrupter is well adapted for use as a puffer-type interrupter in which the contacts of the interrupter are contained in an arc-extinguishing gas, such as sulphur-hexaflouride (SF6) gas to further reduce the probability of restrikes and to minimize the effect of occurring restrikes. The interrupter has a bellows arrangement that provides a seal to contain the sulphur-hexaflouride (SF6) gas while allowing the actuator mechanism to freely operate without deterioration of interrupter components. The bellows arrangement enables the interrupter to be utilized in capacitor switching applications in which frequent switching is required. The interrupter may also include a voltage-clamping device connected in parallel across the contacts of the circuit interrupter.
    • 一种致动器机构,其减小了在闭路位置和开路位置之间移动断路器的触点所需的时间,以减少再起弧的发生概率。 致动器机构使用肘节弹簧装置,其使用单个弹簧来通过打开行程和闭合行程来移动断续器。 断路器被设计成并联连接到电路,使得当电路闭合时,断路器通常不在电路中。 由于断路器通常不在电路中,因此可以制造出比通常保留在电路中的电气部件的标准要低的标准。 断路器很适合用作吹气式断路器,其中断流器的触点包含在灭弧气体中,例如硫 - 六氟化物(SF6)气体,以进一步降低再起弧的可能性并使效果最小化 发生重击。 断路器具有波纹管布置,其提供密封以容纳硫 - 六氟化物(SF6)气体,同时允许致动器机构自由操作而不损坏断续器部件。 波纹管布置使断路器能够用于需要频繁切换的电容器开关应用中。 断路器还可以包括并联连接在电路断续器的触点上的电压钳位装置。
    • 6. 发明授权
    • Circuit breaker terminal cover with integrated arc chamber vents
    • 断路器端子盖具有集成的电弧室通风口
    • US06198063B1
    • 2001-03-06
    • US09434435
    • 1999-11-05
    • Rodney Kramer
    • Rodney Kramer
    • H01H3304
    • H01H9/0264H01H9/342
    • A multi-phase circuit breaker assembly 10 includes a circuit breaker 12 having a housing 13 containing circuit breaker operating components and having a gas venting chamber 22 associated with each phase of the circuit breaker. The circuit breaker has a plurality of line wiring terminals 26 at a first end 14 of the housing. Each line wiring terminal corresponds to a phase of the circuit breaker. A terminal cover 30 is removably coupled to the first end of the housing so as to cover the line wiring terminals and prevent access to the line wiring terminals when coupled to the first end of the housing, and to gain access to the line wiring terminals only when removed from the first end of the housing. The terminal cover 30 includes a plurality of vent structures 38 integrally formed therewith. Each vent structure is in communication with an associated gas venting chamber and each vent structure is isolated from each other such that arc gases generated in each phase of the circuit breaker are exhausted through an associated vent structure with arc gases from one phase being prevented 1) from coming into contact with arc gases or line wiring terminals of a different phase, and 2) from coming into contact with wiring terminals of the same phase, thereby preventing a short circuit.
    • 多相断路器组件10包括具有壳体13的断路器12,该壳体13包含断路器操作部件并且具有与断路器的每个相位相关联的排气室22。 断路器在壳体的第一端14处具有多个线路接线端子26。 每个线路接线端子对应于断路器的相位。 端子盖30可拆卸地联接到壳体的第一端以覆盖线路接线端子,并且当连接到壳体的第一端时防止接入线路接线端子,并且仅仅接入线路接线端子 当从壳体的第一端移除时。 端子盖30包括与其一体形成的多个通气结构38。 每个通气结构与相关联的气体排放室连通,并且每个通气结构彼此隔离,使得在断路器的每个相中产生的电弧气体通过相关联的通气结构排出,防止来自一个相的电弧气体1) 与不同相的电弧气体或线路接线端子接触,以及2)与相同相的接线端子接触,从而防止短路。