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    • 7. 发明专利
    • Method for forming layered heating element for glow plug
    • 用于形成玻璃片的层状加热元件的方法
    • JP2013036737A
    • 2013-02-21
    • JP2012224070
    • 2012-10-09
    • Federal Mogul Corpフェデラル−モーグル コーポレイション
    • WALKER WILLIAM J JRHOFFMAN JOHN WMAY JIM
    • F23Q7/00H05B3/46
    • H01C17/02F23Q7/001F23Q2007/004Y10T29/49083Y10T29/49087Y10T29/49098Y10T29/49179Y10T29/49204Y10T29/49211Y10T29/53865
    • PROBLEM TO BE SOLVED: To provide an improved method for forming a glow plug, and in particular a heating element portion of a glow plug using specialty materials which results in a precision formed, durable monolithic structure.SOLUTION: The method for forming a layered heating element for a glow plug includes: a step of pre-forming an electrically conductive core 48; a step of pre-forming an electrically non-conducting insulator layer 50 having an exterior; a step of pre-forming an electrically resistive layer 52; a step of assembling a precursor structure by substantially enveloping the core within the insulator layer and applying the resistive layer to the exterior of the insulator layer; a step of compressing the precursor structure; and a step of sintering the compressed precursor structure to form a monolithic heating element with the core bonded to the insulator layer and the insulator layer bonded to the resistive layer.
    • 要解决的问题:提供一种用于形成电热塞的改进方法,特别是使用导致精确形成的特殊材料的电热塞的加热元件部分,具有耐用的整体结构。 解决方案:用于形成用于电热塞的分层加热元件的方法包括:预成形导电芯48的步骤; 预先形成具有外部的非导电绝缘体层50的步骤; 预形成电阻层52的步骤; 通过在绝缘体层内基本上包围芯并将电阻层施加到绝缘体层的外部来组装前体结构的步骤; 压缩前体结构的步骤; 以及烧结所述压缩的前体结构以形成所述芯结合到所述绝缘体层并且所述绝缘体层与所述电阻层结合的单片式加热元件的步骤。 版权所有(C)2013,JPO&INPIT