Circular ignition coil assembly
US6834644B1 · kind B1 · utility
1Cited by
5References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 3, 2004 |
| Grant date | Dec 28, 2004 |
| Priority date | — |
| Expiry date | Feb 3, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F3/14
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An ignition assembly provides a current to a spark plug to combust fuel in a cylinder of an internal combustion engine. The ignition coil assembly includes a primary winding defining a central axis. A secondary winding is wrapped about the primary winding coaxial with the central axis. The ignition coil assembly also includes a central core extending through the primary winding coaxial with the central axis. The central core includes a plurality of core components each having a single exterior surface that is continuous. In addition, each of the single exterior surface extends through an arcuate path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.