Spark plug center electrode of alloy material including aluminum and chromium
US4742265A · kind A · utility
64Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 1986 |
| Grant date | May 3, 1988 |
| Priority date | — |
| Expiry date | Nov 12, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01T13/39
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A spark plug for providing an ignition spark has a center electrode. At least a portion of the center electrode contains an alloy material from an alloy family of M-CrAlY wherein M is nickel, cobalt, iron or a combination of these elements and Cr is chromium, Al is aluminum, Y is an element from the group yttrium, zirconium, hafnium or titanium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.