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    • 3. 发明授权
    • Disconnect switch with line-side contact module
    • 使用线路侧接触模块断开开关
    • US4395606A
    • 1983-07-26
    • US242429
    • 1981-03-11
    • Albert A. ZaffrannRobert E. BorchardtGrant W. Nelson
    • Albert A. ZaffrannRobert E. BorchardtGrant W. Nelson
    • H01H9/34H01H9/30H01H33/04
    • H01H9/345
    • A manually operable, three-pole disconnect switch has a contact structure for each pole that comprises a line-side contact module and a load-side contact module that carry the stationary contacts for that pole, these contacts being vertically spaced and positioned for engagement by one of three movable contact assemblies carried on a horizontally disposed, pivotable crossbar. Each line-side contact module extends upwardly from the crossbar and each load-side contact module extends downwardly from the crossbar and its corresponding line-side contact module. The line-side contact module has two integrally formed housing parts and a bar-shaped conductor that is sandwiched therebetween and positioned in a substantially vertical plane. The housing forms both an insulating base and an insulating portion of an arc chute which partially encloses the conductor that forms a stationary contact within a housing cavity. The line-side module is supported upon a pedestal of its corresponding load-side module, this pedestal having a slot which receives the stationary contact portion of the conductor to provide a tongue-in-groove coupling between the two modules.
    • 可手动操作的三极断开开关具有用于每个极的接触结构,其包括线侧接触模块和承载该极的固定触点的负载侧接触模块,这些触点垂直间隔开并定位成通过 三个可移动接触组件中的一个承载在水平设置的可枢转的横杆上。 每个线路侧接触模块从横杆向上延伸,每个负载侧接触模块从交叉开关及其对应的线路侧接触模块向下延伸。 线侧接触模块具有两个整体形成的壳体部分和夹在其间并位于基本垂直的平面中的棒状导体。 壳体形成绝缘基座和电弧槽的绝缘部分,其部分地围绕在壳体腔内形成固定触头的导体。 线路侧模块支撑在其对应的负载侧模块的基座上,该基座具有接收导体的固定接触部分的槽,以在两个模块之间提供舌形沟槽耦合。
    • 4. 发明授权
    • Electric switch
    • 电开关
    • US5296663A
    • 1994-03-22
    • US889936
    • 1992-06-02
    • Robert E. BorchardtEberhardt H. SchreiberGrant W. Nelson
    • Robert E. BorchardtEberhardt H. SchreiberGrant W. Nelson
    • H01H1/36H01H9/00H01H19/635H01H21/16H01H9/02
    • H01H1/365H01H19/635H01H21/16H01H9/0066
    • The present invention is an electric switch for switching individual phases of multi-phase AC electric power. The switch has at least one pair of fixed terminals with each terminal of the pair having an ear extending upward in a vertical plane. The switch also has a conducting device with contacts that extend downward in the vertical plane corresponding to the fixed terminals. Moving contacts are mounted to an axially translatable contact carrier and engage contemporaneously in the vertical plane with the contacts from the conducting device and the fixed terminals when the contact carrier slides into an "on" position. Electrical power is then able to flow from the line-side fixed terminal, through the conducting device, to the load-side terminal. The contact carrier is translated axially by the drive mechanism. The drive mechanism employs over-center shifting and lost-motion switching technology to prevent the switch from being in a partially "on" position. An auxiliary switch can be mounted to the switch and switched "on" and "off" contemporaneously with the electric switch.
    • 本发明是用于切换多相交流电力的各相的电开关。 开关具有至少一对固定端子,该对的每个端子具有在垂直平面中向上延伸的耳朵。 开关还具有导电装置,其触点在垂直平面中向下延伸,对应于固定端子。 当触头托架滑入“开”位置时,移动触点安装到可轴向平移的触点支架上,同时在垂直平面中与导电装置和固定端子的触点同时接合。 电力然后能够从线路侧固定端子通过导电装置流到负载侧端子。 接触载体由驱动机构轴向平移。 驱动机构采用超中心移位和丢失动作切换技术,以防止开关处于部分“开”位置。 辅助开关可以安装到开关上,并与电开关同时开关“关”。