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    • 9. 发明授权
    • Manual opening device and electrical switching apparatus employing the same
    • 手动开启装置及采用该装置的电气开关装置
    • US07545245B2
    • 2009-06-09
    • US11414941
    • 2006-05-01
    • Xin ZhouBrad R. LecciaPaul J. Rollmann
    • Xin ZhouBrad R. LecciaPaul J. Rollmann
    • H01H81/00H01H75/02H01H77/02H01H85/00H01H73/00
    • H01H3/227H01H3/46H01H33/666
    • A manual opening device is for an electrical switching apparatus, such as a synchronous circuit breaker, including a housing having an opening, a plurality of pole mechanisms each comprising separable contacts, and at least one operating mechanism including a number of actuators adapted to open and close the separable contacts. The operating mechanism is supported by the housing and includes a corresponding pole shaft. The manual opening device comprises an operating handle, a cam assembly, and a drive assembly. A first end of the operating handle protrudes through the opening of the housing and the second end is coupled to the cam assembly. The drive assembly couples the cam assembly to the corresponding pole shaft of the operating mechanism and cooperates with the corresponding pole shaft and actuators to simultaneously open the separable contacts when the operating handle is moved from a first position to a second position.
    • 手动打开装置用于电气开关装置,例如同步断路器,包括具有开口的壳体,每个包括可分离触点的多个极机构,以及包括多个致动器的至少一个操作机构, 关闭可分离的触点。 操作机构由壳体支撑,并包括相应的极轴。 手动打开装置包括操作手柄,凸轮组件和驱动组件。 操作手柄的第一端通过壳体的开口突出,并且第二端联接到凸轮组件。 驱动组件将凸轮组件连接到操作机构的相应极轴,并与相应的极轴和致动器配合,以在操作手柄从第一位置移动到第二位置时同时打开可分离触点。
    • 10. 发明授权
    • Bidirectional direct current electrical switching apparatus
    • 双向直流电气开关装置
    • US08368492B1
    • 2013-02-05
    • US13593867
    • 2012-08-24
    • Peter J. TheisenPaul J. RollmannMark A. JudsXin Zhou
    • Peter J. TheisenPaul J. RollmannMark A. JudsXin Zhou
    • H01H9/30H01H9/38H01H9/44H01H33/12
    • H01H9/36H01H1/20H01H9/443H01H9/46H01H33/596H01H83/08
    • A direct current electrical switching apparatus includes a first contact in electrical communication with first and third arc runners, a second contact in electrical communication with second and fourth arc runners, a movable contact, a first arc chamber including first arc plates having a first width, a second arc chamber including second arc plates having a greater second width, an operating mechanism, and a magnet assembly cooperating with the arc chambers to establish generally oppositely directed magnetic fields. The magnetic fields cause one of a first arc and a second arc to enter one of the arc chambers depending upon a direction of current flow between the contacts. The electrical switching apparatus is rated for a first magnitude of current flowing from the first contact to the second contact and for a greater second magnitude of opposite second current flowing from the second contact to the first contact.
    • 直流电气开关装置包括与第一和第三电弧流道电连通的第一触点,与第二和第四弧形流道电连通的第二触点,可动触点,包括具有第一宽度的第一弧形板的第一弧形腔, 第二电弧室包括具有较大第二宽度的第二弧形板,操作机构和与电弧室配合的磁体组件以建立大致相反的磁场。 根据触点之间的电流方向,磁场使得第一弧和第二弧之一进入电弧室中的一个。 电气开关装置的额定值为从第一触点流向第二触点的第一电流电流,以及从第二触点流向第一触点的相反的第二电流的较大的第二量级。