US2650155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for stripping and regenerating spent adsorptive powders
Assignee: Shell Development Co
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Filing: 1951-07-16
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Granted: 1953-08-25
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Expires: 1971-07-16
Abstract
No abstract record available.
Inventors
- 👤 William V Medlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:03
CPC Classifications
B; B01; B01D; B01D41/00; B01D41/02; B01J; B01J20/00; B01J20/02; B01J20/10; B01J20/12; B01J20/30; B01J20/34; B01J20/3433; B01J20/345; B01J20/3458; B01J20/3483; B01J8/00; B01J8/18; B01J8/1845; B01J8/1854; B01J8/24; B01J8/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
AN APPARATUS FOR THE STRIPPING AND REGENERATION OF FINELY DIVIDED SOLIDS CONTAMINATED WITH COMBUSTIBLE MATERIAL WHICH COMPRISES IN COMBINATION AN ELONGATED VERTICALLY DISPOSED VESSEL, A VERTICAL PARTITION EXTENDING FROM THE TOP OF SAID VESSEL TO A POINT SHORT OF THE BOTTOM THEREOF AND DIVIDING THE VESSEL INTO A STRIPPING ZONE AND A CONTIGUOUS BURNING ZONE, AN INLET CONDUIT FOR CONTAMINATED SOLIDS ENTERING THE STRIPPING ZONE, AN OUTLET FOR REGENERATED SOLIDS LEAVING THE BURNING ZONE, GAS DISTRIBUTION MEANS IN THE STRIPPING AND BURNING ZONES NEAR THE BOTTOM THEREOF, A CENTRIFUGAL DUST COLLECTOR IN THE BURNING ZONE IN THE UPPER PART THEREOF COMMUNICATING WITH A DISCHARGE CONDUIT FOR SPENT COMBUSTION GASES, A DIP LEG DEPENDING FROM SAID CENTRIFUGAL DUST COLLECTOR, SAID DIP LEG PASSING THROUGH SAID PARTITION AND HAVING ITS DISCHARGE END IN THE STRIPPING ZONEM AND AN INLET DUCT EXTENDING DOWNWARD A SUBSTANTIAL DISTANCE FROM THE POINT OF ENTRY OF THE GAS FEED INTO THE CENTRIFUGAL SEPARATOR.
Claim 2
Independent Claim
156 words
AN APPARATUS FOR THE STRIPPING AND REGENERATION OF FINELY DIVIDED SOLIDS CONTAMINATED WITH COMBUSTIBLE MATERIAL WHICH COMPRISES IN COMBINATION AN ELONGATED VERTICALLY DISPOSED VESSEL, A VERTICAL PARTITION EXTENDING FROM THE TOP OF SAID VESSEL TO A POINT SHORT OF THE BOTTOM THEREOF AND DIVIDING THE VESSEL INTO A STRIPPING ZONE AND A CONTIGUOUS BURNING ZONE, AN INLET CONDUIT FOR CONTAMINATED SOLIDS ENTERING THE STRIPPING ZONE, AN OUTLET FOR REGENERATED SOLIDS LEAVING THE BURNING ZONE, GAS DISTRIBUTION MEANS IN THE STRIPPING AND BURNING ZONES NEAR THE BOTTOM THEREOF, A CENTRIFUGAL DUST COLLECTOR IN THE BURNING ZONE IN THE UPPER PART THEREOF COMMUNICATING WITH A DISCHARGE CONDUIT FOR SPENT COMBUSTION GASES, A DIP LEG DEPENDING FROM SAID CENTRIFUGAL DUST COLLECTOR, SAID DIP LEG PASSING THROUGH SAID PARTITION AND HAVING ITS DISCHARGE END IN THE STRIPPING ZONEM AND AN INLET DUCT EXTENDING DOWNWARD A SUBSTANTIAL DISTANCE FROM THE POINT OF ENTRY OF THE GAS FEED INTO THE CENTRIFUGAL SEPARATOR.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |