Dual fuel lance with cooling microchannels
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United States of America Patent
Stats
-
May 24, 2022
Grant Date -
Mar 5, 2020
app pub date -
Aug 1, 2019
filing date -
Aug 30, 2018
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A lance for a burner includes an innermost conduit defining a first fluid passage and a plurality of first fuel injection channels, each first fuel injection channel terminating at a first outlet; an intermediate conduit circumferentially surrounding the innermost conduit, the intermediate conduit defining a second fluid passage and a plurality of second fuel injection channels, each second fuel injection channel terminating at a second outlet; an outermost conduit circumferentially surrounding the intermediate conduit, the outermost conduit defining a third fluid passage, a plurality of third air outlets through the outermost conduit and surrounding the first outlets, a plurality of fourth air outlets through the outermost conduit and surrounding the second outlets, and a plurality of cooling microchannels; wherein each cooling microchannel includes and extends between a microchannel inlet in fluid communication with the third fluid passage and a microchannel outlet on an outer surface of the outermost conduit.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2019 Application Filing Year
- F23R Class
- 290 Applications Filed
- 207 Patents Issued To-Date
- 71.38 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- F23R Class
- 0 % this patent is cited more than
- 3 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 | Nov 24, 2025 |
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