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    • 5. 发明授权
    • Exhaust control device for use with circuit interrupter
    • 用于断路器的排气控制装置
    • US06614339B2
    • 2003-09-02
    • US09919474
    • 2001-07-31
    • Robert Neville ParryRichard Craig AlexanderJames Jeffery Benke
    • Robert Neville ParryRichard Craig AlexanderJames Jeffery Benke
    • H01H8538
    • H01H85/43H01H9/342
    • An exhaust control device for use with a circuit interrupter includes a casing having a first expansion chamber and a second expansion chamber that are operationally disposed upstream of a heat sink and a damper, with the second expansion chamber being in fluid communication with the first expansion chamber and being in register with an inlet of the casing. The first expansion chamber extends between the inlet and the heat sink. The heat sink is a porous member that is annular in cross-section and includes a central cavity formed therein, the second expansion chamber being disposed in the central cavity. The first and second expansion chambers are configured to separate a blast of gases from the circuit interrupter into first and second pressure waves that sequentially travel through the heat sink and the damper, which reduces the peak intensity of the blast, extends its duration, and reduces its ionization level.
    • 一种与断路器一起使用的排气控制装置包括具有第一膨胀室和第二膨胀室的壳体,第一膨胀室和第二膨胀室可操作地设置在散热器和阻尼器的上游,第二膨胀室与第一膨胀室流体连通 并且与壳体的入口对准。 第一膨胀室在入口和散热器之间延伸。 散热器是一种多孔构件,其是横截面为环形的并且包括形成在其中的中心空腔,第二膨胀室设置在中心空腔中。 第一和第二膨胀室被构造成将气流从电路断路器分离成第一和第二压力波,该第一和第二压力波依次穿过散热器和阻尼器,这降低了爆炸的峰值强度,延长了其持续时间,并且减小了 其电离水平。
    • 7. 发明授权
    • Flexible seal for circuit breaker arc gas exhaust system
    • 断路器电弧排气系统的柔性密封
    • US06388867B1
    • 2002-05-14
    • US09675347
    • 2000-09-29
    • Paul Richard RakusWilliam John JonesJames Jeffery Benke
    • Paul Richard RakusWilliam John JonesJames Jeffery Benke
    • H02B500
    • H01H9/345H01H2009/305
    • A seal apparatus having a seal member and a plurality of fasteners is mounted on an arc hood of a cassette in a switchgear cabinet and resists leakage of arc gases through a gap between the arc hood and a circuit breaker mounted in the switchgear cabinet. The seal member is flexibly received against the circuit breaker in a racked position and is preferably at least nominally deflected thereby to resist the flow of arc gases in a leakage direction through the gap. The seal member thus resists the arc gases from coming into contact with a plurality of line conductors at the rear of the circuit breaker until the arc gases have at least somewhat cooled, deionized, and/or slowed. The seal apparatus thereby resists arc gases from inducing arcing between adjacent line conductors, whereby the circuit breaker can be operated at substantially higher voltages.
    • 具有密封构件和多个紧固件的密封装置安装在开关柜中的盒的电弧罩上,并且防止电弧气体通过安装在开关柜中的电弧罩与断路器之间的间隙的泄漏。 密封构件在搁置位置处被柔性地抵靠断路器容纳,并且优选地至少标称偏转,从而抵抗通过间隙的泄漏方向上的电弧气流。 密封件因此抵抗电弧气体与断路器后部的多个线路导体接触,直到电弧气体至少稍微冷却,去离子和/或减速。 密封装置因此抵抗电弧气体在相邻的线路导体之间引起电弧,由此断路器可以以更高的电压工作。
    • 8. 发明授权
    • Magnetically collapsible toggle linkage for electrical switching apparatus
    • 用于电气开关设备的磁性可折叠肘杆
    • US06376788B1
    • 2002-04-23
    • US09756564
    • 2001-01-08
    • William John JonesPerry Robert GibsonJames Jeffery Benke
    • William John JonesPerry Robert GibsonJames Jeffery Benke
    • H01H3300
    • H01H71/528H01H1/226
    • An electromagnetic blow-open device for a pole of a circuit breaker where the pole has a stationary contact and a movable contact. The movable contact includes contact fingers mounted on a contact carrier. The contacts have an open position and a closed position. The pole further has an associated rotatable pole shaft. The electromagnetic blow-open device includes a collapsible linkage having a rigid position and a changeable position. The collapsible linkage is disposed between, and coupled to, the pole shaft and contact carrier. The collapsible linkage is maintains the stationary contact and the movable contact in the closed position while the collapsible linkage is in the rigid position and to allow the stationary contact and the movable contact to move to the open position when the collapsible linkage is in said changeable position. The electromagnetic blow-open device also includes an actuator arm which is coupled to the collapsible linkage and is responsive to an over-current condition in the pole. The actuator arm is structured to shift the collapsible linkage from the rigid position to the changeable position.
    • 一种用于断路器的极的电磁吹开装置,其中极具有固定触点和可动触点。 可移动触点包括安装在触点托架上的触指。 触点具有打开位置和关闭位置。 极杆还具有相关联的可旋转极轴。 电磁吹开装置包括具有刚性位置和可变位置的可折叠连杆。 可折叠联动装置设置在极轴和接触载体之间,并联接到极轴和接触载体上。 可折叠联动装置将固定触点和可动触点保持在关闭位置,同时可折叠连杆处于刚性位置,并且当可折叠连杆处于所述可更换位置时允许固定触点和可动触头移动到打开位置 。 电磁吹开装置还包括致动器臂,该致动器臂联接到可折叠连杆机构并且响应于极中的过电流状态。 致动器臂构造成将可收缩连杆从刚性位置移动到可更换位置。