Patent ID: 11870221
Assignee: FEDERAL-MOGUL IGNITION GMBH
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 19:
20. A spark plug, comprising:
a shell having an axial bore, the shell having an M10 major diameter at a thread area of the shell;
an insulator having a ceramic body and an axial bore, the insulator disposed at least partially within the axial bore of the shell;
a gasket disposed at least partially within the axial bore of the shell;
a center electrode disposed at least partially within the axial bore of the insulator; and
a ground electrode configured to create a spark gap with the center electrode,
wherein the insulator has a dielectric strength of 42 kV/mm or more and a radial thickness at the gasket of 0.6 to 0.9 mm, inclusive.