Glass seal resistor composition and resistor spark plugs
US6320317A · kind A · utility
11Cited by
10References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 1999 |
| Grant date | Nov 20, 2001 |
| Priority date | — |
| Expiry date | Dec 1, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01T13/34
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A resistor seal composition useful in resistor spark plugs, comprises glass, at least one metal oxide, at least one filler material, and a branched or straight chained zirconium carboxylate. The glass comprises a strontium borate glass and/or a borosilicate glass. Metal oxides include aluminum oxide, zinc oxide, and zirconium oxide. Filler materials include silicon dioxide and mullite.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.