US Patent Issued to ROBERT BOSCH on April 15 for "Prechamber spark plug having accurately adjustable electrode gap, and associated method" (German Inventors)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,465, issued on April 15, was assigned to ROBERT BOSCH GMBH (Stuttgart, Germany).

"Prechamber spark plug having accurately adjustable electrode gap, and associated method" was invented by Axel Bormann (Bamberg, Germany), Manfred Roeckelein (Kemmern, Germany), Stephan Kaske (Sternenfels Diefenbach, Germany) and Thomas Steidten (Ludwigsburg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A prechamber spark plug. The prechamber spark plug includes a central electrode and a ground electrode which are arranged in a prechamber, and a housing having a lateral hole, the ground electrode being arranged in the lateral hole in such a way that there is a ...