US3756922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing nozzles for carbonizing fine grain fuels in a fluidized bed
Assignee: GEA Group AG
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Filing: 1972-03-06
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Granted: 1973-09-04
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Expires: 1992-03-06
Abstract
Abstract Mixing nozzle for fluidized bed reactors having a nozzle shaft through which air and fluid fuel are introduced, a nozzle body over the nozzle shaft having radial openings and a nozzle top having a cup-like shape over the nozzle body and extending upwards therefrom. The process is also disclosed wherein air and fuel are mixed in the nozzle and combusted in close proximity thereto in such a way that combustion gases flow upward through the fluidized bed at high velocity.
Inventors
- 👤 P Schmalfeld
- 👤 R Rammler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:13
CPC Classifications
C; C10; C10B; C10B49/00; C10B49/02; C10B49/04; C10B49/08; C10B49/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |