Ignition coil with polyimide case and/or secondary spool
US6463919B1 · kind B1 · utility
5Cited by
6References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2001 |
| Grant date | Oct 15, 2002 |
| Priority date | — |
| Expiry date | Sep 24, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02P3/02
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An ignition coil assembly includes a cylindrical central core having a main axis, a primary winding outwardly of the central core, a secondary winding outwardly of the primary winding, and a case comprising polyimide material. In one embodiment, a secondary winding spool comprises polyimide material. The overall diameter of the ignition coil assembly is reduced relative to conventional designs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.