Invention Grant
US08766520B2 Spark plug with ground electrode plateau and method of making the same 有权
火花塞带接地极板及其制作方法

Spark plug with ground electrode plateau and method of making the same
Abstract:
A ground electrode is provided having a ground electrode body, the ground electrode body having an anchored end and a non-anchored end opposite the anchored end. The ground electrode includes a plateau extending from a surface of the ground electrode body adjacent the non-anchored end. In illustrative embodiments, the plateau is formed by removing a portion of the ground electrode body near the non-anchored end. The plateau is configured to be exposed around its periphery. A noble metal tip is fixably attached to the plateau.
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