Low NOxburner apparatus and method
US11353212B2 · kind B2 · utility
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30References
22Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 12, 2019 |
| Grant date | Jun 7, 2022 |
| Priority date | — |
| Expiry date | Jan 11, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23C2202/40
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A burner apparatus and method which provide an increased amount of internal flue recirculation for reducing NOx emissions by ejecting a series of surrounding primary fuel streams and also ejecting on one or more subsequent series of surrounding fuel streams outside of the burner wall toward the burner combustion wherein each succeeding series of surrounding fuel streams must travel a greater distance to the combustion zone and each series of surrounding fuel streams must contact one or more radial impact structures provided on the exterior of the burner wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.