4results about "Spark gaps adjustment" patented technology

The present invention provides a spark plug spark gap adjustment device for a spark plug having a skirt-type outer electrode, which has a relatively simple configuration and can securely hold and fix the spark plug while accurately adjusting multiple adjustment points one by one. [Solution] The device comprises a fixed base and a gap adjustment part coupled to the upper part of the fixed base so as to be circumferentially rotatable, wherein the fixed base has a grounding part, a spark plug mounting part arranged cylindrically above the grounding part and having a spark plug installed inside, and a plurality of fixing screws that press the spark plug installed inside through a through hole in the spark plug mounting part, and the gap adjustment part has an adjustment screw that presses the gap adjustment portion of the spark plug installed inside through a through hole in the gap adjustment part.

The present invention relates to a prechamber spark plug comprising a central electrode (2) and a ground electrode (3) which are arranged in a prechamber (7), and a housing (4) having a lateral hole (40), the ground electrode (3) being arranged in the lateral hole (40) in such a way that there is a gap portion (8) and a fastening portion (8) between the ground electrode (3) and the housing (4).

The present invention relates to a pre-chamber ignition plug comprising a center electrode (2) and a ground electrode (3) arranged in a pre-chamber (7) and a housing (4) having a lateral bore (40), the ground electrode (3) being arranged in the lateral bore (40) such that there is a gap region (8) and a fixing region (9) between the ground electrode (3) and the housing (4).