Electric incandescent lamp comprising an internal fuse
阅读：404发布：2023-05-12
专利汇可以提供Electric incandescent lamp comprising an internal fuse专利检索，专利查询，专利分析的服务。并且A halogen filament lamp comprising an internal fuse having at least two conductors of different diameters electrically connecting series arranged filaments to current conductors embedded within the pinch seal.，下面是Electric incandescent lamp comprising an internal fuse专利的具体信息内容。
1. An electric filament lamp comprising an evacuated tubular envelope having a pinch seal at one end, a halogen atmosphere within said envelope, a first pair of current conductors embedded within said pinch seal, two series arranged filaments stretched parallel to each other in a longitudinal direction within said envelope, and a supporting wire within said envelope and embedded in said pinch seal for supporting said filaments, each of said filaments being electrically coupled within said envelope to one of said first pair of current conductors through a second pair of parallel-connected conductors proximate to each pinch seal, one of said second pair of conductors having a cross-sectional area greater than the other of said second pair thereby providing a rapid acting internal fuse for said lamp, which fuse acts to prevent high current arcs from occurring at the end of lamp life and consequently prevents lamp explosion.
1. An electric filament lamp comprising an evacuated tubular envelope having a pinch seal at one end, a halogen atmosphere within said envelope, a first pair of current conductors embedded within said pinch seal, two series arranged filaments stretched parallel to each other in a longitudinal direction within said envelope, and a supporting wire within said envelope and embedded in said pinch seal for supporting said filaments, each of said filaments being electrically coupled within said envelope to one of said first pair of current conductors through a second pair of parallel-connected conductors proximate to each pinch seal, one of said second pair of conductors having a cross-sectional area greater than the other of said second pair thereby providing a rapid acting internal fuse for said lamp, which fuse acts to prevent high current arcs from occurring at the end of lamp life and consequently prevents lamp explosion.
2. An electric filament lamp as claimed in claim 1 wherein said two connected conductors of different cross sectional areas are formed of wires extending in parallel between the filament and said pinch seal.
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