Spark plug

Spark plug

  • CN 102,484,006 A
  • Filed: 08/20/2010
  • Published: 05/30/2012
  • Est. Priority Date: 09/18/2009
  • Status: Active Grant
First Claim
Patent Images

1. spark plug,Comprise:

  • insulator has the axis hole that on axis direction, extends;

    WithTerminal electrode has to insert and leads in the bar-shaped foot of the rear end side of above-mentioned axis hole and the head that exposes from the rear end of above-mentioned insulator,The leading section of above-mentioned foot is fixed in above-mentioned insulator, and the length along above-mentioned axis of above-mentioned foot is more than the 35mm,Above-mentioned spark plug is characterised in that,The center of gravity of above-mentioned terminal electrode is positioned at the inside of above-mentioned insulator.

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