Ignition coil device for engine
US6508239B2 · kind B2 · utility
2Cited by
2References
2Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 26, 2002 |
| Grant date | Jan 21, 2003 |
| Priority date | — |
| Expiry date | Apr 26, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F2038/125
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An individual ignition type ignition coil device for engine which is directly connected to each spark plug for use, comprises a coil case 6, and a center core 1, a secondary coil 3 wound on a secondary bobbin 2 and a primary coil 5 wound on the primary bobbin 4 each concentrically installed inside the coil case 6 in turn from the inside to the outside. Insulating resin 17, 8 is filled between the interiorly installed structural members. The secondary bobbin is made of material of modified PPO mixed with inorganic matter of 30% or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.