Ignition coil for internal combustion engine of motor vehicle, has locking unit for preventing appearance of grouting in space between core and body, where bumper unit is operated as locking unit and adjusting unit is formed as coating

摘要

Coil has a rod shaped magnetic core (12) and a bumper unit (29) operating in an axial direction of the core. Secondary and primary coil bodies (15, 18) are arranged concentric to each other, where the core and the bumper unit are surrounded by the secondary body. An adjusting unit operating in a radial direction is arranged between the core and the body (15). A locking unit is provided for preventing appearance of grouting in a space between the core and the body. The bumper unit is operated as the locking unit and the adjusting unit is formed as a coating (32).