- spark plug shell
- The metal body of the spark plug which encloses the lower part of the insulator
Dictionary of automotive terms. 2015.
spark plug shell
Look at other dictionaries:
spark plug — A device containing two electrodes across which electricity jumps to produce a spark to fire the fuel charge. The center electrode is insulated from the spark plug shell by means of a molded insulator resembling porcelain. The side electrode… … Dictionary of automotive terms
spark plug body — See spark plug shell … Dictionary of automotive terms
plug shell — See spark plug shell … Dictionary of automotive terms
Spark plug — A spark plug (also, very rarely nowadays, in British English: a sparking plug) is an electrical device that fits into the cylinder head of some internal combustion engines and ignites compressed aerosol gasoline by means of an electric spark.… … Wikipedia
spark plug insulator — A highly stressed part of the spark plug, usually made of alumina ceramic, which serves to insulate the center electrode and the terminal stud from the shell; its material must have high dielectric, mechanical and thermal strength as well as good … Dictionary of automotive terms
surface gap spark plug — A type of spark plug in which the spark is fired across the insulator surface between the center electrode and the shell; there is no side electrode … Dictionary of automotive terms
shell — The structural case or housing, usually for mounting instruments. See bare shell bearing shell body shell converter shell spark plug shell … Dictionary of automotive terms
recessed spark position — A position where the spark gap is actually in the shell of the spark plug. It is used for racing and special engines … Dictionary of automotive terms
projected core/insulator nose — An insulator tip that extends beyond the end of the spark plug shell … Dictionary of automotive terms
side electrode — The ground electrode at the side of the threaded part of a spark plug shell … Dictionary of automotive terms
