Pre-chamber cap with conical flow openings for a pre-chamber spark plug as well as a pre-chamber spark plug and a manufacturing process for the pre-chamber cap

摘要

Pre-chamber cap (80) for a pre-chamber spark plug (1), having a wall (82) with an inside (83) and an outside (84), the wall (82) of the pre-chamber cap (80) having at least one through opening (85) which extends from the inside (83) of the wall (82) to the outside (84) of the wall (82), and a fuel mixture flowing into a prechamber (81) and a through the at least one through opening (85) Flame can flow out of the prechamber (81), wherein the wall (82) of the prechamber cap (80) can form part of the boundary of the prechamber (81), the at least one through opening (85) having a diameter (d) that has a conical shape.