Patent ID: 6967552
Filing Date: 2005-11-22
Classification: H01F

Abstract:
1. An ignition coil device comprising: a cylindrical secondary spool; a secondary coil of a plurality of secondary windings wound around an outer peripheral surface of the secondary spool; a coil insulating resin material that is impregnated into and cured in spaces between the secondary windings; a primary spool arranged on an outer peripheral side of the secondary windings; and a primary coil of a plurality of primary windings wound around an outer peripheral surface of the primary spool; wherein the coil insulating resin material is integrally molded at the same time as and out of a same resin with the primary spool so that the coil insulating resin material defines and forms the primary spool and integrates the secondary coil and the primary spool into a single body.