Ignition device having a reflowed firing tip and method of construction
US7851984B2 · kind B2 · utility
4Cited by
74References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 8, 2006 |
| Grant date | Dec 14, 2010 |
| Priority date | — |
| Expiry date | Sep 2, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01T21/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A sparkplug having ground and/or center electrodes that include a firing tip formed by reflowing of an end of wire having an opposite end carried by a feed mechanism. The present invention also includes methods of manufacturing an ignition device and electrodes therefore having a firing tip, including providing a metal electrode having a firing tip region; providing a wire having a free end and another end carried by a feed mechanism; and reflowing the free end to form a firing tip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.