PRE-CHAMBER SPARK PLUG HAVING IMPROVED HEATING MANAGEMENT

Organization Name

Inventor(s)

Matthias Blankmeister of Heiligenhaus (DE)

Stephan Kaske of Sternenfels Diefenbach (DE)

PRE-CHAMBER SPARK PLUG HAVING IMPROVED HEATING MANAGEMENT

This abstract first appeared for US patent application 20250087973 titled 'PRE-CHAMBER SPARK PLUG HAVING IMPROVED HEATING MANAGEMENT

Original Abstract Submitted

a pre-chamber spark plug. the pre-chamber spark plug includes a central electrode and at least one ground electrode, a housing, an insulator that electrically insulates the central electrode from the housing, a cap having at least one cap hole, and a pre-chamber having a defined gas volume. the insulator includes a base portion which protrudes into the pre-chamber in the axial direction over a base length and which is in contact with the gas volume, and wherein a ratio of the gas volume to the base length is in a range of: r=40 to 300 mm.