Provided is an ignition coil which is capable of maintaining reliable insulation performance over a long period of time. A coil main body unit (BDY), which houses a primary coil (L1) and a secondary coil (L2) as well as a switching element (Q), is configur...

According to one embodiment, there is provided an internal combustion engine ignition system, including: a spark coil having primary and secondary coils, the spark coil being configured to apply a high voltage to a spark plug from the secondary coil; a pow...

The invention relates to an international combustion engine ignition system, including: a plurality of spark coils (Ca, Cb) each having a primary coil (La1, Lb1) and a secondary coil (La2, Lb2), each secondary coil being coupled to a common spark plug to a...

An external connection terminal connector as a separate part that mounts the igniter is abolished, and the external connection terminal is integrated with the igniter itself. The igniter has the electronic components mounted on an internal wiring substrate...

An angular pin is used in a connecting portion of each component, and a plated copper wire for electrical connection of the component is wound at several turns around the angular pin.

The secondary coil 17 and central iron core 18 are housed in the case, and the primary winding is wound around the surface of the case, and the primary bobbin 14 is abolished.

The secondary coil 17 and central iron core 18 are housed in the case, and the primary winding is wound around the surface of the case, and the primary bobbin 14 is abolished.