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发明公开
CN103125056A 火花塞 无效 - 撤回

火花塞
摘要：
本发明公开了一种改进的火花塞，所述火花塞具有从绝缘体尖端延伸到使用中的活塞腔室内的电极。所述改进包括外壳，所述外壳限定：腔体；腔体开口，所述腔体开口使所述腔体与使用中的所述活塞腔室相联；导管，所述导管从所述腔体延伸，而所述电极以与所述外壳间隔开的关系延伸到所述导管内；以及与所述绝缘体尖端一起限定腔室，所述腔室以间隔开的关系围绕所述前端并且通过所述导管联接到所述腔体上。所述腔体包括：凹入部分，所述凹入部分朝向所述开口设置，使得所述腔体在其朝向所述导管延伸时收窄；以及圆筒形部分，所述圆筒形部分从所述凹入部分朝向所述开口延伸。所述腔室包括以间隔开的关系围绕所述前端的圆筒形部分和将所述圆筒形部分联接到所述导管上的截头锥形部分，使得所述腔室在其从其所述圆筒形部分朝向所述导管延伸时收窄。
摘要（英）：

Disclosed is an improved spark plug having an electrode extending from an insulator tip into a piston chamber in use. The improvement comprises a shell defining: a cavity; a cavity opening which couples the cavity with said piston chamber in use; a conduit extending from the cavity and into which the electrode extends in spaced relation to the shell; and, with the tip, a chamber surrounding the tip in spaced relation and coupled to the cavity by the conduit. The cavity includes: a concave portion presenting towards the opening such that the cavity narrows as it extends towards the conduit; and a cylindrical portion extending from the concave portion towards the opening. The chamber includes a cylindrical portion surrounding the tip in spaced relation and a frustoconical portion coupling the cylindrical portion to the conduit such that the chamber narrows as it extends from its cylindrical portion to the conduit.

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