公开(公告)号：US20020109574A1

公开(公告)日：2002-08-15

申请号：US10073403

申请日：2002-02-11

发明人： Harold John Handcock ,  Mark Paul Judson

IPC分类号： H01H085/12 ,  H01H085/38

CPC分类号： H01H85/055 ,  H01H85/042 ,  H01H85/10 ,  H01H85/12 ,  H01H85/185 ,  H01H2085/383

摘要： A Full-Range fuse element assembly includes an insulative former having opposite first and second ends and electrically conducting connectors coupled to ends of the former. A plurality of fuse elements extend between the first connector and the second connector about the insulative former, and each of the fuse elements include a low current interrupting fuse element portion extending from the first connector and a high current limiting fuse element portion extending from the second connector. An insulative sleeve surrounds each of the low current interrupting fuse element portions, and each sleeve includes an end adjacent a respective one of the high current limiting fuse element portions. Each of the low current interrupting fuse element portions includes a weak spot located proximate the second end of a respective one of the sleeves.

摘要翻译： 全范围熔丝元件组件包括具有相对的第一和第二端以及耦合到前端的端部的导电连接器的绝缘构件。 多个熔丝元件围绕绝缘形成体在第一连接器和第二连接器之间延伸，并且每个熔丝元件包括从第一连接器延伸的低电流中断熔丝元件部分和从第二连接器延伸的高限流熔丝元件部分 连接器。 绝缘套管围绕每个低电流中断熔丝元件部分，并且每个套管包括与相应的一个高限流熔断元件部分相邻的端部。 每个低电流中断熔丝元件部分包括位于相应一个套筒的第二端附近的弱点。

公开(公告)号：US20030025586A1

公开(公告)日：2003-02-06

申请号：US09919474

申请日：2001-07-31

申请人： Eaton Corporation

发明人： Richard Neville Parry ,  Richard Craig Alexander ,  James Jeffery Benke

IPC分类号： H01H085/38

CPC分类号： H01H85/43 ,  H01H9/342

摘要： 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.

公开(公告)号：US20030001716A1

公开(公告)日：2003-01-02

申请号：US10173328

申请日：2002-06-18

发明人： Uwe Kaltenborn ,  Guido Hoffmann ,  Mariusz Wilniewczyc ,  Patrik Huser

IPC分类号： H01H085/38 ,  H01H085/44

CPC分类号： H01H85/046 ,  H01H85/185 ,  H01H85/38

摘要： The fuse is used in the medium- and high-voltage sector and has two spaced-apart power supply connections (2, 3) and an active part (1). The active part comprises a fusible, current-carrying fuse element and an arc-extinguishing medium. The fuse element is connected in an electrically conducting manner to the two power supply connections and is arranged on an electrically insulating substrate. It is of a modular construction and has at least two modules (9) connected in series. The arc-extinguishing medium covers the exposed surfaces of the fuse element. The active part is formed in the manner of a sandwich and has two stable moldings (4, 5) and a predominantly planar intermediate layer (6) arranged between the moldings (4, 5). The intermediate layer (6) contains at least the two series-connected modules, whereas a first molding (4) of the two moldings is formed at least by part of the electrically insulating substrate and the second molding (5) is formed at least by part of the arc-extinguishing medium. The fuse is distinguished by a simple construction and by favorable triggering characteristics.

摘要翻译： 保险丝用于中高压部分，并具有两个间隔开的电源连接（2,3）和有源部分（1）。 有源部分包括可熔，通电保险丝元件和灭弧介质。 熔丝元件以导电的方式连接到两个电源连接并且布置在电绝缘基板上。 它是一个模块化的结构，并且至少有两个串联的模块（9）。 灭弧介质覆盖保险丝元件的暴露表面。 活性部分以三明治的方式形成，并且具有布置在模制件（4,5）之间的两个稳定的模制件（4,5）和主要为平面的中间层（6）。 中间层（6）至少包含两个串联连接的模块，而两个模制品的第一模制件（4）至少部分地由电绝缘基板形成，并且第二模制件（5）至少由 部分灭弧介质。 保险丝的特点是结构简单，触发特性良好。

公开(公告)号：US20020190838A1

公开(公告)日：2002-12-19

申请号：US10156838

申请日：2002-05-30

发明人： Uwe Kaltenborn ,  Lutz Niemeyer

IPC分类号： H01H085/38 ,  H01H085/42 ,  H01H085/43

CPC分类号： H01H85/42 ,  C08L2201/12 ,  H01H85/042 ,  H01H85/055 ,  H01H85/38 ,  H01H2085/0004 ,  H01H2085/388

摘要： In a fuse chamber (8) there is arranged as a quenching gas source a burn-off element (11), which concentrically surrounds an arc chamber (10) and is separated from it by a fuse element (9), which consists of metal foil, preferably silver foil, and the outer side of which is adjoined by the burn-off element (11). The latter consists of an igniting material (12), arranged in the form of a ring running around centrally, and a gas-evolving material (13). Both materials consist, for example, of guanidine or guanidine derivatives as the combustible material and an oxidant, the proportion of which in the igniting material (12) is hyperstoichiometric. The arc chamber (10) is bounded at opposite ends by nozzles (7a,b), which connect it to exhaust volumes (4a,b). When there is an overcurrent, the fuse element (9) heats up to the igniting temperature of the igniting material (12) and is torn open centrally. The arc forming is axially blown by the quenching gas, which forms during the burning-off of the burn-off element (11), and quenched. The fuse element (9) may centrally have a triggering zone, where it is more easily interruptible, in particular meltable. The quenching gas source may also comprise compressed-gas tanks or cold-gas generators.

摘要翻译： 在保险丝室（8）中，将淬火元件（11）设置为淬火元件（11），所述燃烧元件同心地围绕电弧室（10）并与熔断元件（9）分离，所述保险丝元件由金属 箔，优选银箔，其外侧由燃烧元件（11）邻接。 后者由点火材料（12）构成，该点火材料（12）以环绕中心的方式布置成环形气体和气体放出材料（13）。 这两种材料都包括例如胍或胍衍生物作为可燃材料和氧化剂，其在点燃材料（12）中的比例是高度化学计量的。 电弧室（10）在相对端通过喷嘴（7a，b）限定，其连接到排气容积（4a，b）。 当存在过电流时，保险丝元件（9）加热到点火材料（12）的点火温度，并且在中心处被撕开。 通过淬火气体在烧掉燃烧元件（11）的过程中形成的圆弧形成轴向吹塑并骤冷。 保险丝元件（9）可以集中地具有触发区域，其中它更易于中断，特别是可熔化的。 淬火气体源还可以包括压缩气体罐或冷气发生器。