FIELD: car industry.
SUBSTANCE: invention relates to spark plugs. A spark plug is proposed having a case, an insulator located in this case, a central electrode located in the insulator, a contact rod located in the insulator, a resistive element located in the insulator, which is spatially located between the central electrode and the contact rod, and which electrically connects the central electrode to the contact rod, and which contains a resistive pant containing conductive particles and non-conductive particles, and a side electrode located from the end of the case facing a combustion chamber, which, together with the central electrode, forms a spark gap, while at least 80% of non-conducting particles have a diameter of a maximum of 10 mcm.
EFFECT: spark plug with an improved resistive element with high electrical stability.
10 cl, 4 dwg
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