Remanufactured sparkplug and sparkplug remanufacturing method
US9859688B1 · kind B1 · utility
6Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 15, 2016 |
| Grant date | Jan 2, 2018 |
| Priority date | — |
| Expiry date | Jul 15, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01T13/08
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A remanufactured sparkplug includes a housing, an insulator within the housing, and first and second electrodes. The first electrode and the second electrode form a plurality of spark gaps at a plurality of new spark gap locations, and a plurality of spark-induced erosions are formed in the second electrode at a plurality of former spark gap locations that are circumferentially offset from the new spark gap locations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.