Dual mode pilot burner
US6129542A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 21, 1999 |
| Grant date | Oct 10, 2000 |
| Priority date | — |
| Expiry date | May 21, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23N2235/18
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A dual mode pilot burner having a control flame mode of operation and a pilot flame mode of operation, which dual mode pilot burner is suitable for controlling the fuel/air ratio of a main burner when operating in the control flame mode of operation. The dual mode pilot burner includes a burner body having a control flame holder and a pilot flame holder disposed downstream of the control flame holder, a mixing chamber having a fuel gas inlet, an oxidant inlet, and a mixed gas outlet, which mixed gas outlet is in fluid communication with the control flame holder and a fuel gas control valve for controlling a fuel gas flow rate through the fuel gas inlet into the mixing chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.