Protective coating for ignition device
US6888293B2 · kind B2 · utility
8Cited by
1References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 11, 2003 |
| Grant date | May 3, 2005 |
| Priority date | — |
| Expiry date | Feb 11, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01T13/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An ignition device, particularly a spark plug for internal combustion engines, permits improved corrosion protection. The ignition device includes an electrical connector and a tubular, metallic housing having a screw-in thread imprinted on it. At least one of the metallic components of the ignition device is provided at least partially with a protective coating made of a zinc/nickel alloy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.