electrode

Another way to facilitate the access of the mixture to the spark was proposed by Japanese constructors. They introduced a groove in one of the electrodes. At NGK, this V-shaped groove is made on the face of the center electrode. Whereas in …

Czech constructors from the Brisk company assumed the assumption, that the ground electrode in a conventional spark plug limits the spread of the flame front, creating a "shadow zone". An original structure called Premium was created, which is characterized by the absence of a side electrode. …