Ion sensor glow plug assembly
US6248980A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 19, 1999 |
| Grant date | Jun 19, 2001 |
| Priority date | — |
| Expiry date | Aug 19, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An ion sensor glow plug assembly includes a metal shell for attachment to a cylinder head of a compression ignition engine. The ion sensor glow plug assembly also includes a center terminal at least partially disposed in the metal shell and connected to a source of power to create a heating circuit. The ion sensor glow plug assembly includes a metal glow sheath disposed at least partially in the metal shell and about the center terminal. The ion sensor glow plug assembly further includes an insulative seal disposed at least partially around the metal glow sheath to isolate the metal shell from the metal glow sheath to create an ion sensing circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.