Electrical bushing assembly
    1.
    发明授权
    Electrical bushing assembly 失效
    电气组装

    公开(公告)号:US3663928A

    公开(公告)日:1972-05-16

    申请号:US3663928D

    申请日:1970-01-09

    CPC classification number: H01R13/53 H01B17/306 H01H9/085

    Abstract: A load break bushing assembly for receiving a plug-in cable connector or termination. The bushing assembly includes an insulating body member, a conductive sleeve member, a replaceable contact disposed within the conductive sleeve member, and an arc confining and extinguishing member. In one embodiment of the invention a protective tube is disposed to span the contact and arc confining and extinguishing member, to protect the conductive sleeve member from arcing by-products and maintain the replaceable characteristic of the contact. The conductive sleeve member has a chamber sealed at one end with a terminal stud, with this chamber functioning as a gas surge expansion chamber when the plug-in cable connector is operated to make or break load current, making it unnecessary to vent the load break bushing into the enclosure of its associated apparatus.

    Abstract translation: 用于接收插入式电缆连接器或终端的负载断路套管组件。 衬套组件包括绝缘本体构件,导电套筒构件,布置在导电套筒构件内的可更换触点以及电弧限制和熄灭构件。 在本发明的一个实施例中,保护管被设置成跨越接触和弧形限制和熄灭构件,以保护导电套筒构件不起弧副产物并保持接触的可更换特性。 导电套筒构件具有在一端与端子螺柱密封的腔室,当该插入式电缆连接器被操作以使负载电流发生或断开时,该室用作气体膨胀膨胀室,使得不需要排出负载断路 套在其相关设备的外壳中。

    Transformer slide switch with contact clamping means
    2.
    发明授权
    Transformer slide switch with contact clamping means 失效
    带接触夹紧装置的变压器滑动开关

    公开(公告)号:US3673364A

    公开(公告)日:1972-06-27

    申请号:US3673364D

    申请日:1970-11-13

    Inventor: KLEIN KENNETH R

    CPC classification number: H01H15/08 H01F29/02

    Abstract: An electrical series-multiple switch adapted for mounting within the casing of an electrical transformer, and actuable from without the casing. The switch, which may be used for single or polyphase applications, includes at least one cooperative pair of insulating shaft members, which carry a plurality of complementary electrical contacts spaced across the longitudinal dimensions of the shaft members. One of the pair of insulating shaft members is movable rectilinearly, relative to the other, in response to rotary movement of an operating shaft, which changes the relationship of the electrical contacts and the operating position of the switch.

    Abstract translation: 一种电气串联多重开关,适用于安装在电气变压器的壳体内,并且可从没有外壳致动。 可用于单相或多相应用的开关包括至少一对合作的绝缘轴构件,其承载跨越轴构件的纵向尺寸间隔开的多个互补电触点。 一对绝缘轴构件中的一个可响应于操作轴的旋转运动而相对于另一个直线运动,这改变了电触头的关系和开关的操作位置。

    Electrical transformer apparatus for ground level installation having fused means accessible from outside the apparatus
    3.
    发明授权
    Electrical transformer apparatus for ground level installation having fused means accessible from outside the apparatus 失效
    用于地面水平安装的电气变压器装置具有可从外部装置获得的熔断装置

    公开(公告)号:US3588607A

    公开(公告)日:1971-06-28

    申请号:US3588607D

    申请日:1969-09-24

    CPC classification number: H01F27/402 H01F2027/404 H01H9/102 H01H85/62

    Abstract: ELECTRICAL CONDUCTIVE APPARATUS SUCH AS A TRANSFORMER ADAPTED FOR MOUNTING AT GROUND LEVEL, INCLUDING A CASING FILLED TO A PREDETERMINED LEVEL WITH LIQUID DIELECTRIC, A MAGNECTIC CORE-WINDING ASSEMBLY DISPOSED WITHIN SAID CASING, PROTECTIVE FUSE MEANS DISPOSED THROUGH ONE WALL OF SAID CASING, AND AT LEAST ONE HIGH VOLTAGE BUSHING ASSEMBLY DISPOSED THROUGH ONE WALL OF THE CASING. THE HIGH VOLTAGE BUSHING IS ELECTRICALLY CONNECTED IN SERIES CIRCUIT RELATIONSHIP WITH THE PROTECTIVE FUSE MEANS AND THE FUSE MEANS IS ELECTRICALLY CONNECTED IN SERIES CIRCUIT RELATIONSHIP WITH THE HIGH VOLTAGE WINDINGS OF THE WINDING ASSEMBLY. THE PROTECTIVE FUSE MEANS INCLUDES A LONGITUDINAL TUBULAR RECEPTACLE HAVING A LONGITUDINAL OPENING THEREIN. THE TUBULAR RECEPTACLE EXTENDS THROUGH A WALL OF THE CASING WITH ONE END LOCATED INSIDE THE CASING AND WITH THE OTHER END EXTENDING OUTSIDE OF THE CASING. THE PROTECTIVE FUSE MEANS ALSO INCLUDES A REMOVABLE FUSE ACCESSIBLE FROM THE END OF THE FUSE ASSEMBLY LOCATED OUTSIDE THE CASING. THE END OF THE FUSE ASSEMBLY EXTENDING INSIDE THE CASING IS CLOSED TO PREVENT LIQUID DIELECTRIC FROM ENTERING THE LONGITUDINAL OPENING IN THE FUSE RECEPTACLE. THE END OF THE FUSE RECEPTACLE POSITIONED OUTSIDE OF THE CASING IS CLOSED BY A WEATHERTIGHT CLOSURE. A CURRENT LIMITING FUSE IS ATTACHED TO THE WEATHERTIGHT CLOSURE MEMBER AND IS REMOVED OR INSERTED INTO THE LONGITUDINAL OPENING IN THE FUSED RECEPTACLE BY MEANS OF THE WEATHERTIGHT CLOSURE MEMBER.

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