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    • 3. 发明授权
    • Vacuum arc interrupter actuated by a gas generated driving force
    • 由气体产生的驱动力驱动的真空灭弧室
    • US06853525B2
    • 2005-02-08
    • US10172209
    • 2002-06-14
    • Engelbert HetzmannsederMary Jo Johnson Vander HeidenFrancis Christopher EdrozoMark Allan Juds
    • Engelbert HetzmannsederMary Jo Johnson Vander HeidenFrancis Christopher EdrozoMark Allan Juds
    • H01H33/32H01H33/66H01H39/00H01H79/00H02H9/00
    • H01H79/00H01H33/32H01H33/6646H01H33/666H01H39/004
    • A vacuum arc interrupter that includes a vacuum chamber assembly and a pressure chamber assembly. The vacuum chamber assembly includes a first, fixed contact disposed within the vacuum chamber and a second, movable contact disposed within the vacuum chamber. A rod is coupled to, and in electrical communication with, the second contact. The rod is structured to move between a first position wherein the second contact is spaced from the first contact and a second position where the first and second contacts are in electrical communication with each other. The pressure chamber assembly has a gas generation device and a cylindrical barrel defining a pressure chamber with a first end and a second end. The barrel second end has an opening. A piston assembly is disposed in the pressure chamber and coupled to the rod, which passes through the second, open end. The gas generation device is coupled to the pressure chamber assembly and in fluid communication with the barrel and the piston assembly. Upon generation of a gas by the gas generation device, the piston moves within the barrel causing the rod to move from the first position to the second position.
    • 一种包括真空室组件和压力室组件的真空灭弧室。 真空室组件包括设置在真空室内的第一固定触点和设置在真空室内的第二可动触头。 杆连接到第二接触件并且与第二接触件电连通。 杆被构造成在第一位置和第二位置之间移动,第一位置与第一触点间隔开第二触点和第二触点彼此电连通的第二位置。 压力室组件具有气体发生装置和限定具有第一端和第二端的压力室的圆柱形筒。 枪管第二端有一个开口。 活塞组件设置在压力室中并且联接到穿过第二开口端的杆。 气体发生装置联接到压力室组件并与筒和活塞组件流体连通。 在通过气体发生装置产生气体时,活塞在筒内移动,导致杆从第一位置移动到第二位置。
    • 4. 发明授权
    • Circuit breaker with instantaneous trip provided by main conductor routed through magnetic circuit of electronic trip motor
    • 断路器由主导体提供瞬时跳闸,通过电子跳闸电机的磁路引导
    • US06307453B1
    • 2001-10-23
    • US09506871
    • 2000-02-15
    • Edward Louis WellnerPaul Jason RollmannPeter Klaus MoldovanMark Allan Juds
    • Edward Louis WellnerPaul Jason RollmannPeter Klaus MoldovanMark Allan Juds
    • H01H7510
    • H01H83/20H01H2083/201
    • The toggle mechanism of a circuit breaker is connected at one end to the pivoted contact arm and at the other end to a pivoted latch lever which is engaged to latch the toggle mechanism by a latch member pivoted for movement in a plane perpendicular to the plane of the toggle mechanism. The latch member serves as an armature for a trip motor energized by a trip circuit responsive to an arc fault and/or a ground fault to unlatch the toggle mechanism and trip the circuit breaker open. The latch member is also tripped by a helical bimetal responsive to persistent overcurrents and coupled to the latch member through an ambient compensator bimetal cantilevered from the latch member. A flexible shunt connected between the helical bimetal and contact arm passes through an extension of the magnetic circuit of the trip motor to generate a magnetic field of sufficient strength to trip the latch member instantaneously in response to a short circuit.
    • 断路器的肘节机构的一端连接到枢转的接触臂,另一端连接到枢转的闩锁杆,枢转的闩锁杆通过一个闩锁构件来接合,以便在垂直于 肘节机构。 闩锁构件用作用于由电弧故障和/或接地故障响应的跳闸电路激励的跳闸电动机的电枢,以解锁肘节机构并使断路器断路。 闩锁构件还响应于持续的过电流而被螺旋双金属件跳闸,并且通过从闩锁构件悬臂的环境补偿器双金属件联接到闩锁构件。 连接在螺旋双金属和接触臂之间的柔性分路通过跳闸电动机的磁路的延伸部分,以产生足够强度的磁场,以响应于短路而瞬间跳闸闩锁构件。