Patent US4015937A successfully refreshed from Google Patents.
US3799747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel burner system for a fluidized bed
Assignee: GEA Group AG
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Filing: 1971-04-13
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Granted: 1974-03-26
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Expires: 1991-04-13
Abstract
Abstract A PLURALITY OF UPWARDLY EXTENDING BURNER NOZZLES ARE HORIZONTAL SPACED AND FORM A TWO-DIMENSIONAL SUBSTANTIALLY HORIZONTAL ARRAY AND EACH HAS AT LEAST ONE FLUID OUTLET OPENING. AN AIR DISTRIBUTOR IS DISPOSED BELOW SAID ARRAY AND HAS A WALL. AIR SUPPLY CONDUITS CONNECT SAID AIR DISTRIBUTOR TO EACH OF SAID BURNER NOZLES. THE FUEL DISTRIBUTOR IS CONNECTED TO EACH OF SAID BURNER NOZZELS BY FUEL SUPPLY CONDUITS EXTENDING THROUGH SAID WALL. THE FLUID OUTLET OPENINGS ARE DISPOSED IN A REACTOR CHAMBER DEFINED BY A REACTOR STRUCTURE OF A FUEL-BURNING REACTOR FOR CARRYING OUT A REACTOR IN A FLUIDIZED BED. SAID REACTOR CHAMBER EXTENDS OVER SAID ARRAY.
Inventors
- 👤 P Schmalfeld
- 👤 R Rammler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:42
CPC Classifications
F; F27; F27B; F27B15/00; F27B15/02; F27B15/14; B; B01; B01J; B01J8/00; B01J8/18; B01J8/1836; B01J8/24; B01J8/36; F23; F23C; F23C10/00; F23C10/18; F23C10/22
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) | 1977-03-25 | 1977-09-24 | 1978-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-25 | 1981-09-24 | 1982-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-25 | 1985-09-24 | 1986-03-26 | $7700.00 | Window Closed / Lapsed |