High thread spark plug with undercut insulator
US8030831B1 · kind B1 · utility
3Cited by
6References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 1, 2010 |
| Grant date | Oct 4, 2011 |
| Priority date | — |
| Expiry date | Apr 3, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01T21/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A spark plug for an internal combustion engine, the spark plug having an elongated center electrode having a center electrode tip at one end and a terminal proximate to another end of the center electrode; an insulator surrounding a portion of the center electrode, the insulator having a channel formed in an exterior surface of the insulator; and a jamb nut surrounding the insulator, the jamb nut being aligned with the channel such that a distal end of the jamb nut does not contact the insulator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.