Ignition coil for vehicle
US8026783B2 · kind B2 · utility
0Cited by
10References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2009 |
| Grant date | Sep 27, 2011 |
| Priority date | — |
| Expiry date | Dec 26, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F27/325
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A spark plug coil assembly includes a primary core inside a secondary winding spool that is formed with a closed end. A terminal is embedded in the closed end of the spool and the secondary windings are terminated to the terminal, with the terminal being couplable to a spark plug. Ignition voltage generated in the secondary windings is thus routed to a center of the secondary windings to terminate at the terminal. No pole piece need be disposed between the primary core and the closed end of the spool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.