IGNITION COIL FOR INTERNAL COMBUSTION ENGINE

摘要

PURPOSE:To facilitate precise alignment with the primary bobbin of the secondary coil. CONSTITUTION:An ignition control circuit 9 driving respective coils 29, 30 are provided in a coil case 2 while small protrusions 4-7 abutting against a cylindrical body 10 installed in upright position in the case 2 and three dimensional inner faces of the same 2 are provided in a peripheral part of the secondary coil bobbin 3. Through these procedures, the secondary coil bobbin 3 can be aligned without fail while allowing the fluidization of a filler.