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    • 6. 发明授权
    • Busway tap off base assembly for preventing the ingress of dust and
liquids
    • 母线槽分接基座组件,用于防止灰尘和液体进入
    • US5415557A
    • 1995-05-16
    • US113564
    • 1993-08-27
    • Donald L. ChapmanDebora L. GoodMichael S. Young
    • Donald L. ChapmanDebora L. GoodMichael S. Young
    • H01R13/447H01R13/52H02G5/06H02G5/08
    • H02G5/08H01R13/447H02G5/06H01R13/5202H02G5/005
    • A tap-off base assembly of the present invention provides protection against the ingress of dust and liquids into an electrical busway distribution system of the type having access openings for receiving power tap-off devices. The tap-off base assembly includes a base molded from an electrically insulating material and a pivotally attached door. A tap-off opening seal is placed on the housing around the tap-off opening. The base is slidably received in the busway tap-off opening such that the seal is compressed thereby sealing the tap-off opening. The base has a planar outside surface which includes a number of access openings. Each access opening provides access to one the electrical conductors contained within the busway housing. The door may be selectively moved between an open position which provides access to the electrical conductors and a closed position which prohibits access to the conductors. The door also has a flange around its perimeter and a sealing rib which extend outward from the inside surface of the door. When the door is in the closed position the flange overlaps an edge portion of the base and the sealing ribs are pressed against a gasket in the planar outside surface of the base which surrounds the access openings thereby sealing the access openings and preventing the ingress of dust and liquids into the busway housing. A latch is provided for securing the door in its closed position.
    • 本发明的脱水基座组件提供防止灰尘和液体进入具有用于接收电力分接装置的进入开口的类型的母线通道分配系统中的保护。 脱水基座组件包括由电绝缘材料和枢轴连接的门模制的基座。 分接开口密封件放置在分接开口周围的壳体上。 基座可滑动地容纳在母线槽分接开口中,使得密封件被压缩,从而密封分接开口。 基座具有包括多个通路孔的平坦的外表面。 每个进入开口提供对包含在母线槽外壳内的一个电导体的访问。 门可以选择性地在提供对电导体的访问的打开位置和禁止访问导体的关闭位置之间移动。 该门还具有围绕其周边的凸缘和从门的内表面向外延伸的密封肋。 当门处于关闭位置时,凸缘与基座的边缘部分重叠,并且密封肋被压靠在围绕入口的基座的平面外表面中的垫圈上,从而密封通道开口并防止灰尘进入 并将液体进入母线槽外壳。 提供用于将门固定在其关闭位置的闩锁。
    • 7. 发明授权
    • Circuit breaker enclosure gas venting system
    • 断路器外壳气体排放系统
    • US5414584A
    • 1995-05-09
    • US074252
    • 1993-06-09
    • Michael S. Young
    • Michael S. Young
    • H01H9/34H01H9/00
    • H01H9/342
    • The present invention discloses a gas venting system for use in metallic enclosures housing electrical circuit breakers of the type having gas vents in the circuit breaker case for venting gases produced during the interruption of a fault current. The enclosure includes one or more covers which provide access to the interior of the enclosure and one or more vents through which the circuit breaker gases can exit the enclosure. The gas venting system includes a gas chute made from an electrically nonconductive and substantially flame retardant material. The gas chute is generally tubular and hollow in shape and has a breaker end aperture and at lease one vent end aperture. The apertures communicate with one another through the hollow gas chute. The gas chute is attached to an inside surface of the breaker enclosure such that when the enclosure cover is closed the breaker end aperture is in close proximity to and encloses the circuit breaker gas vents and the vent end aperture is in close proximity to and encloses the enclosure vents. Any gases produced by the circuit breaker during the interruption of a fault current and exiting through the gas vents in the breaker case must enter the gas chute through the breaker end aperture. The gas is then directed to the vent end aperture where it exits the enclosure through the enclosure vents.
    • 本发明公开了一种用于金属外壳的气体排放系统,其容纳在断路器壳体中具有气体通风口的电路断路器,用于排放故障电流中断期间产生的气体。 外壳包括一个或多个盖,其提供进入外壳内部的通道和一个或多个通风口,断路器气体可通过该通风口离开外壳。 气体排放系统包括由不导电和基本上阻燃的材料制成的气槽。 气体滑槽通常为管状和中空的形状,并具有断路器端孔和至少一个通气端孔。 孔通过中空气体滑槽相互连通。 气体滑槽连接到断路器外壳的内表面,使得当外壳盖关闭时,断路器端部孔径紧邻并包围断路器气体通风口,并且通风端口孔紧邻并包围 外壳通风口。 在故障电流中断期间断路器产生的任何气体通过断路器壳体中的气体通风口排出,必须通过断路器端部孔口进入气体槽道。 气体然后被引导到通风口孔,在那里它通过封闭通风口离开外壳。