Patent US2906608A successfully refreshed from Google Patents.
US2906608A
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Apparatus for dense-phase fluidisation
Assignee: Individual
•
Filing: 1957-01-15
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Granted: 1959-09-29
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Expires: 1977-01-15
Abstract
No abstract record available.
Inventors
- 👤 Jequier Leon Jean Roland
- 👤 Gerard Henri Aime Richar Putte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:07
CPC Classifications
C; C10; C10J; C10J3/00; C10J3/46; C10J3/54; C10J3/56; B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/245; B01J8/44; C10J3/02; C10J3/20; C10J3/34; C10J3/36; C10J3/48; C10J3/482; C10J3/72; C10J3/74; C10J3/82; C10J3/84; B01J2208/00; B01J2208/00743; B01J2208/00761; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/093; C10J2300/0953; C10J2300/0956; C10J2300/0959; C10J2300/0969; C10J2300/0973; C10J2300/0976
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
AN APPARATUS FOR THE TREATMENT OF SUBSTANCES IN A DENSE-PHASE FLUIDIZED MASS COMPRISING IN COMBINATION, MEANS DEFINING A FLUIDIZING CHAMBER, SAID CHAMBER HAVING A SIDE WALL, A SUBSTANTIALLY VERTICAL CONDUIT DISPOSED BELOW SAID CHAMBER AND HAVING AN UPPER EXTENTION, AN UPWARDLY DIVERGENT DUCT CONNECTED TO SAID UPPER EXTENSION OF SAID CONDUIT AND HAVING AN UPWARD DIVERGENCE COMPRISED BETWEEN 10 AND 50*, SAID DUCT BEING BOUNDED BY A SUBSTANTIALLY CONTINUOUS WALL AND HAVING AN UPPER END OPENING INTO SAID CHAMBER AT A RADIAL DISTANCE FROM SAID SIDE WALL, MEANS FOR DELIVERING A GASEOUS FLUIDIZING AGENT TO SAID CONDUIT TO CREATE AND ASCENDING GASEOUS FLOW THROUGH SAID DIVERGENT DUCT, AN UPWARDLY DIVERGENT GRATE GRADUALLY SLOPING OUTWARDLY AND UPWARDLY DIVERGENT GRATE UPPER END OF SAID DUCT TO SAID SIDE WALL AND HAVING A DIVERGENCE SUBSTANTIALLY GREATER THAN THAT OF SAID DUCT WITH SAID GRATE EXTENDING SUBSTANTIALLY CLOSER TO THE HORIZONTAL THAN TO THE VERTICAL, AND MEANS EXTERNALLY OF SAID DUCT FOR SUPPLYING A GAS TO SAID CHAMBER THROUGH SAID GRATE, WHEREBY SAID GASES ENTER SAID FLUIDIZING CHAMBER BOTH FROM SAID DUCT AND THROUGH SAID GRATE.
Claim 2
Independent Claim
182 words
AN APPARATUS FOR THE TREATMENT OF SUBSTANCES IN A DENSE-PHASE FLUIDIZED MASS COMPRISING IN COMBINATION, MEANS DEFINING A FLUIDIZING CHAMBER, SAID CHAMBER HAVING A SIDE WALL, A SUBSTANTIALLY VERTICAL CONDUIT DISPOSED BELOW SAID CHAMBER AND HAVING AN UPPER EXTENTION, AN UPWARDLY DIVERGENT DUCT CONNECTED TO SAID UPPER EXTENSION OF SAID CONDUIT AND HAVING AN UPWARD DIVERGENCE COMPRISED BETWEEN 10 AND 50*, SAID DUCT BEING BOUNDED BY A SUBSTANTIALLY CONTINUOUS WALL AND HAVING AN UPPER END OPENING INTO SAID CHAMBER AT A RADIAL DISTANCE FROM SAID SIDE WALL, MEANS FOR DELIVERING A GASEOUS FLUIDIZING AGENT TO SAID CONDUIT TO CREATE AND ASCENDING GASEOUS FLOW THROUGH SAID DIVERGENT DUCT, AN UPWARDLY DIVERGENT GRATE GRADUALLY SLOPING OUTWARDLY AND UPWARDLY DIVERGENT GRATE UPPER END OF SAID DUCT TO SAID SIDE WALL AND HAVING A DIVERGENCE SUBSTANTIALLY GREATER THAN THAT OF SAID DUCT WITH SAID GRATE EXTENDING SUBSTANTIALLY CLOSER TO THE HORIZONTAL THAN TO THE VERTICAL, AND MEANS EXTERNALLY OF SAID DUCT FOR SUPPLYING A GAS TO SAID CHAMBER THROUGH SAID GRATE, WHEREBY SAID GASES ENTER SAID FLUIDIZING CHAMBER BOTH FROM SAID DUCT AND THROUGH SAID GRATE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |