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    • 10. 发明授权
    • GLÜHSTIFTKERZE
    • EP1295067B1
    • 2004-11-24
    • EP01943162.6
    • 2001-05-26
    • ROBERT BOSCH GMBH
    • MONDAL, PiaENGEL, ChristineREISSNER, AndreasDRESSLER, WolfgangBOEDER, HorstKERN, ChristophSCHOTT, SteffenHOFFMANN, Ruth
    • F23Q7/00
    • F23Q7/001
    • The invention relates to a sheathed element glow plug for arrangement in a combustion chamber. A rod-shaped heating element is located in a concentric bore of the housing. Said heating element has a first current-carrying layer (11), a second current-carrying layer (12) and an insulation layer (15), said insulation layer (15) separating the first current-carrying layer (11) from the second current-carrying layer (12). The first current-carrying layer (11) and the second current-carrying layer (12) are connected by a conducting layer segment (13) at the combustion chamber-side end of the heating element. The first current-carrying layer (11) and the second current-carrying layer (12) are of different lengths, the first current-carrying layer (11) having a larger cross-section in relation to its length otherwise in a first section (21) at the combustion chamber-side end of the heating element and the second current-carrying layer (12) not projecting into this first section (21).
    • 本发明涉及一种用于布置在燃烧室中的铠装元件电热塞。 棒状加热元件位于壳体的同心孔中。 所述加热元件具有第一电流承载层(11),第二电流承载层(12)和绝缘层(15),所述绝缘层(15)将第一电流承载层(11)与第二电流承载层 载流层(12)。 第一载流层(11)和第二载流层(12)通过加热元件的燃烧室侧端部处的导电层部分(13)连接。 第一载流层(11)和第二载流层(12)具有不同的长度,第一载流层(11)相对于其长度具有较大的横截面,否则在第一部分 21)在加热元件的燃烧室侧的端部和第二电流携载层(12)不突出到第一部分(21)中。