INSULATOR AND SPARK PLUG

A spark plug (1) includes a tubular insulator (50). The insulator contains alumina as a primary component, and further contains a secondary component. The secondary component contains a silicon (Si) component, a magnesium (Mg) component, a barium (Ba) component, a calcium (Ca) component, and a rare...

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Bibliographische Detailangaben
Hauptverfasser:	YOKOYAMA, Yutaka, KATO, Ippei, KON, Toshiki
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CORONA DEVICES ELECTRICITY GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES OVERVOLTAGE ARRESTERS USING SPARK GAPS SPARK GAPS SPARKING PLUGS
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Beschreibung
Zusammenfassung:	A spark plug (1) includes a tubular insulator (50). The insulator contains alumina as a primary component, and further contains a secondary component. The secondary component contains a silicon (Si) component, a magnesium (Mg) component, a barium (Ba) component, a calcium (Ca) component, and a rare earth component. The amounts (mass %) of these components as reduced to oxide and relative to the total mass of the secondary component satisfy specific conditions.