US3174834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluidized bed reactor
Assignee: Individual
•
Filing: 1959-08-24
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Granted: 1965-03-23
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Expires: 1979-08-24
Abstract
No abstract record available.
Inventors
- 👤 Richard M Edwards
- 👤 Sheldon N Robinson
- 👤 Eugene F Sanders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:42
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/1836; C; C01; C01G; C01G43/00; C01G43/01; C01G43/025; C01G43/04; C01G43/06; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00106; B01J2208/00115; B01J2208/00123; B01J2208/00168; B01J2208/00212; B01J2208/00265; B01J2208/00274; B01J2208/00389; B01J2208/00407; C01P; C01P2004/00; C01P2004/30; C01P2004/32; C01P2006/00; C01P2006/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A FLUIDIZED-BED REACTOR COMPRISING A VERTICAL COLUMN HAVING A HORIZONTAL PLATE EXTENDING ACROSS THE COLUMN DIVIDING THE COLUMN INTO A LOWER GAS CHAMBER AND AN UPPER FLUIDIZATION ZONE, MEANS FOR INTRODUCING A FLUIDIZING GAS INTO THE GAS CHAMBER, A PLURALITY OF BUBBLE CAPS CONSISTING OF A SHORT TUBE AND A CAP, EACH OF SAID TUBES CONTAINING A PLURALITY OF HOLES EXTENDING THERETHROUGH JUST BELOW THE CAPS, MEANS FOR SPRAYING A SOLUTION HORIZONTALLY INTO THE FLUIDZATION ZONE OF THE COLUMN, MEANS FOR REMOVING PRODUCT FROM THE COLUMN, AND MEANS FOR HEATING THE COLUMN COMPRISING A PLURALITY OF ELONGATED HEATERS EXTENDING THROUGH THE CENTER OF THE BUBBLE CAPS SPACED FROM SAID TUBES AND RISING VERTICALLY ABOVE THE HORIZONTAL PLATE TO VARIOUS HEIGHTS WITHIN THE FLUIDIZATION ZONE WHEREIN EACH HEATER HAS A CONICAL TOP, SAID HEATERS BEING SEALED FROM THE GAS CHAMBER TO PREVENT INGRESS OF GAS THEREFROM.
Claim 2
Dependent Claim
145 words
A FLUIDIZED-BED REACTOR COMPRISING A VERTICAL COLUMN HAVING A HORIZONTAL PLATE EXTENDING ACROSS THE COLUMN DIVIDING THE COLUMN INTO A LOWER GAS CHAMBER AND AN UPPER FLUIDIZATION ZONE, MEANS FOR INTRODUCING A FLUIDIZING GAS INTO THE GAS CHAMBER, A PLURALITY OF BUBBLE CAPS CONSISTING OF A SHORT TUBE AND A CAP, EACH OF SAID TUBES CONTAINING A PLURALITY OF HOLES EXTENDING THERETHROUGH JUST BELOW THE CAPS, MEANS FOR SPRAYING A SOLUTION HORIZONTALLY INTO THE FLUIDZATION ZONE OF THE COLUMN, MEANS FOR REMOVING PRODUCT FROM THE COLUMN, AND MEANS FOR HEATING THE COLUMN COMPRISING A PLURALITY OF ELONGATED HEATERS EXTENDING THROUGH THE CENTER OF THE BUBBLE CAPS SPACED FROM SAID TUBES AND RISING VERTICALLY ABOVE THE HORIZONTAL PLATE TO VARIOUS HEIGHTS WITHIN THE FLUIDIZATION ZONE WHEREIN EACH HEATER HAS A CONICAL TOP, SAID HEATERS BEING SEALED FROM THE GAS CHAMBER TO PREVENT INGRESS OF GAS THEREFROM.
References Cited (Backward Citations)
US2163599A
Cited
US2547021A
Cited
US2546570A
Cited
US2981592A
Cited
US2997286A
Cited
US3040439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |