Electrically conducting sealing compound for spark plugs
US5565730A · kind A · utility
7Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1994 |
| Grant date | Oct 15, 1996 |
| Priority date | — |
| Expiry date | Sep 30, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01T13/41
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrically conducting sealing compound for a sparkplug contact core with the sealing compound being disposed between a terminal-side section and a spark-side section of a center electrode, while the sealing compound essentially contains a fusible glass component and a powdered, electrically conducting component. The electrically conducting component of the sealing compound is exclusively composed of graphite in an amount of 10 to 30% by volume, based on the powder components of the sealing compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.