| 摘要 |
<p>"ELECTRICAL FUSE" An enclosed fuse comprising a porous filler and a pair of terminals mutually insulated except for at least one metallic fuse conductor comprising two kinds of metal so arranged that the current from one terminal to the other will pass successively and alternately through the two kinds of metal, beginning and ending in the first kind of metal, the second metal having reductions in crosssection defining one or more fuse elements, the second metal being selected to withstand a temperature at a fuse element near the melting point thereof without significant deterioration and the first metal being selected to provide conditions for current interruption with the arc burning between foot-points on parts of the first metal.</p> |
