Spark ignited burner
US5000159A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 19, 1990 |
| Grant date | Mar 19, 1991 |
| Priority date | — |
| Expiry date | Mar 19, 2010 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23D14/22
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A post-mix burner having electrical ignition means is particularly adapted for use with radiant tube furnaces. The burner provides two concentric tubes which define a central passage and an annular passage around the central passage. Fuel is introduced into the central passage and primary air through the annular passage. Mixing of the primary air and fuel commences at and near the end of the inner tube. The ignition system provides a spark gap in axial alignment with the end of the inner tube where the mixing of the primary air and fuel commences. The main combustion air is introduced into the burner through an annular pasage surrounding the aforementioned passages. When combustion having substantial length is desired, the fuel and air are introduced into the burner as laminar flow with each component having the same velocity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.