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    • 43. 发明授权
    • Circuit interrupter with thermal trip adjustability
    • 具有热脱扣可调节性的断路器
    • US06445274B1
    • 2002-09-03
    • US09710244
    • 2000-11-10
    • Richard Paul MalingowskiCraig Allen RodgersLance GulaTeresa Inez HoodRaymond Peter GundyJonathan Moore Peifer
    • Richard Paul MalingowskiCraig Allen RodgersLance GulaTeresa Inez HoodRaymond Peter GundyJonathan Moore Peifer
    • H01H3752
    • H01H71/7445
    • A circuit interrupter including a housing, separable main contacts within the housing, and an operating mechanism within the housing and interconnected with the separable main contacts. A trip mechanism is disposed within the housing that includes a trip bar assembly rotatable about an axis and that, when rotated, generates a tripping operation causing the operating mechanism to open the contacts. The trip bar assembly includes a trip member translatable along the axis. The trip mechanism includes a tripping actuator movable along a predetermined path of travel as a function of electrical current. The tripping actuator contacts a contact area of the trip member at a predetermined location along the predetermined path of travel of the tripping actuator and causes the trip bar assembly to rotate and generate the tripping operation upon a predetermined current threshold. When the trip member is translated along the axis, the contact area is contacted by the tripping actuator at a different location along the predetermined path of travel of the tripping actuator whereby the predetermined current threshold is changed.
    • 一种电路断路器,包括壳体,壳体内的可分离的主触点,以及壳体内的操作机构,并与可分离的主触点互连。 跳闸机构设置在壳体内,其包括可围绕轴线旋转的跳闸杆组件,并且当旋转时,跳闸机构产生使操作机构打开接触件的跳闸操作。 跳闸组件包括可沿轴线平移的跳闸部件。 脱扣机构包括作为电流的函数沿着预定的行进路径移动的脱扣致动器。 跳闸执行器沿着跳闸致动器的预定行进路径在预定位置处接触脱扣构件的接触区域,并使跳闸杆组件旋转并且在预定电流阈值时产生跳闸操作。 当跳闸构件沿着轴线平移时,接触区域在脱扣致动器沿着脱扣致动器的预定行进路径的不同位置处与脱扣致动器接触,由此改变预定电流阈值。
    • 45. 发明授权
    • Circuit interrupter with cradle
    • 带摇篮的断路器
    • US6157275A
    • 2000-12-05
    • US384148
    • 1999-08-27
    • Lance Gula
    • Lance Gula
    • H01H71/12H01H69/00H01H71/52H01H73/24H01H9/00
    • H01H71/525H01H69/00H01H71/505
    • A circuit interrupter including a housing, separable main contacts disposed in the housing, and an operating mechanism disposed in the housing and interconnected with the contacts. The operating mechanism includes a cradle for rotating from a first position to a second position in the event of a tripping operation. The cradle has an aperture with a smaller cutout portion and a larger cutout portion. The operating mechanism further includes a pivot pin disposed within the housing. The pivot pin is insertable through the larger cutout portion and is seated in the smaller cutout portion.
    • 一种电路断流器,包括壳体,设置在壳体中的可分离的主触点,以及设置在壳体中并与触点互连的操作机构。 操作机构包括用于在跳闸操作的情况下从第一位置旋转到第二位置的托架。 托架具有孔,其具有较小的切口部分和较大的切口部分。 操作机构还包括设置在壳体内的枢轴销。 枢轴销可以通过较大的切口部分插入,并且位于更小的切口部分中。
    • 47. 发明授权
    • Pinned shunt end expansion joint
    • 固定分流端膨胀节
    • US5032813A
    • 1991-07-16
    • US491329
    • 1990-03-09
    • Lance GulaRoger W. Helms
    • Lance GulaRoger W. Helms
    • H01H1/58
    • H01H1/5822H01H2001/5827
    • A laminated contact assembly formed from a plurality of contact arm subassemblies includes a contact arm portion, for carrying a movable main or arcing contact, and a stationary conductor portion. A flexible shunt, form wound from a flat electrical conductor, is used to connect the contact arm portion to the stationary conductor portion. The flexible shunt is formed into a V-shape defining two depending legs. The free ends of the shunt defining bulb portions are inserted into keyholes formed in the contact arm portion and the stationary conductor portion. A pin is inserted into a central portion of the bulb portion to exert radially outward forces against the interior surface of the keyhole to increase the contact force between the bulb portions and the keyholes to form joints having a lower electrical resistance. The pin may be inserted into the central portion of the bulb portion by orbital riveting.
    • 由多个接触臂子组件形成的层叠接触组件包括用于承载可移动主触头或电弧触头的接触臂部分和固定导体部分。 使用从扁平电导体缠绕的柔性分流器将接触臂部分连接到固定导体部分。 柔性分流器形成为限定两个悬垂腿的V形。 分路限定灯泡部分的自由端插入形成在接触臂部分和固定导体部分中的键槽中。 销插入灯泡部分的中心部分,以向锁孔的内表面施加径向向外的力,以增加灯泡部分与钥匙孔之间的接触力,形成具有较低电阻的接头。 销可以通过轨道铆接插入灯泡部分的中心部分。