Variable vane overfire air nozzles, system, and strategy
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United States of America Patent
Stats
-
Sep 17, 2024
Grant Date -
Apr 27, 2023
app pub date -
Oct 22, 2021
filing date -
Oct 22, 2021
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Nozzles for delivering air into a combustion system of a boiler utilizing an interchangeable divided nozzle barrel along with a variable vane. The vane can be rotated to different divisions in the nozzle to change the size of the outlet flow area and subsequently the flow velocity of the air into the combustion system to optimize performance and adjust for changes in load and fuel.
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International Classification(s)
- 2021 Application Filing Year
- F23L Class
- 45 Applications Filed
- 21 Patents Issued To-Date
- 46.67 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- F23L Class
- 0 % this patent is cited more than
- 1 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Mar 17, 2028 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Mar 17, 2032 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Mar 17, 2036 |
