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US 2020/0091685 A1Published application
Spark plug and resistor material for spark plug
AssigneeDenso Corporation
InventorTomoyuki WATANABE
Life of this patent
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Abstract
A spark plug which is capable of further improving load life performance and a resistor material for a spark plug are provided. A spark plug includes a center electrode, a terminal fitting, and a resistor disposed between the center electrode and the terminal fitting. The resistor contains glass, a zirconia-based material and an electrically conducting material. The zirconia-based material contains at least stabilized zirconia.
Claims5
A spark plug comprising:
- a center electrode;
- a terminal fitting;
- and
- a resistor disposed between the center electrode and the terminal fitting,
- wherein the resistor contains glass, a zirconia-based material and an electrically conducting material, and
- the zirconia-based material contains at least stabilized zirconia.
3 more elements
A resistor material for a spark plug comprising:
- glass;
- a zirconia-based material;
- and
- an electrically conducting material,
- wherein the zirconia-based material contains at least stabilized zirconia.
2 more elements
Dependencies are inferred from the claim text.