US Patent Issued to ROBERT BOSCH on Aug. 26 for "Pre-chamber spark plug having improved heating management" (German Inventors)

ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,401,173, issued on Aug. 26, was assigned to ROBERT BOSCH GMBH (Stuttgart, Germany).

"Pre-chamber spark plug having improved heating management" was invented by Matthias Blankmeister (Heiligenhaus, Germany) and Stephan Kaske (Sternenfels Diefenbach, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "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 pr...