Process for coating a ceramic glow plug portion with a corrosion inhibiting material
US5578349A · kind A · utility
7Cited by
4References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 1995 |
| Grant date | Nov 26, 1996 |
| Priority date | — |
| Expiry date | Nov 30, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C4/10
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process for applying a uniformly adherent protective tantalum oxide coating on a portion of a ceramic glow plug for protecting the glow plug against the corrosive/erosive environment generated by the burning of alternative fuels in a diesel engine. The coating is tantalum oxide deposited on a silicon nitride glow plug by plasma spray deposition techniques.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.