A recent trend in the making of automotive engines, where high efficiency and low emissions need to be considered, is to mount multiple parts around the motor in order to improve overall engine efficiency. As a result of modern technology, the engine head and surrounding space have an excessive amount of parts. To accommodate the congested engine compartment, it is desirable to reduce the size of the spark plug. Small spark plugs have the problem of poor resistance to carbon or fuel additive fouling and are subject to side sparks if carbon or fuel additive fouling occurs. This results from a reduced insulating gap between the center electrode and the housing achieved by reducing the size of the spark plug. By using visualization of the spark area and electric field strength analysis, studies have been conducted on insulator temperatures and spark behaviour in search of the optimal specifications. By doing so a new spark plug has been successfully developed, which performs as well as if not better than the conventional plug, even though its thread size has been reduced from M14 to M10.


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    Title :

    Super carbon fouling resistive small spark plug


    Additional title:

    Eine kleine, gegen Kohlenstoffverschmutzungen resistente Superzündkerze


    Contributors:


    Publication date :

    2006


    Size :

    10 Seiten, 16 Bilder


    Type of media :

    Conference paper


    Type of material :

    Storage medium


    Language :

    English




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