Patent US2876079A successfully refreshed from Google Patents.
US2876079A
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Gas distributing arrangement for fluidized solids vessels
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1956-03-07
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Granted: 1959-03-03
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Expires: 1976-03-07
Abstract
No abstract record available.
Inventors
- 👤 Edward F Upchurch
- 👤 Edward C Luckenbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:41
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/44; Y; Y10; Y10S; Y10S423/00; Y10S423/09; Y10S423/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
APPARATUS FOR CONTACTING FLUIDIZABLE SOLIDS AND GASES WHICH COMPRISES A VERTICALLY DISPOSED VESSEL, OUTLET MEANS IN THE UPPER PORTION FOR REMOVING GASES, GAS DISTRIBUTING MEANS IN SAID VESSEL ADAPTED TO SUPPORT A FLUIDIZED BED OF SOLIDS, SAID GAS DISTRIBUTING MEANS COMPRISING A PLURALITY OF VERTICAL SPACED FORAMINOUS PLATES, EACH PLATE HAVING A MULTIPLICITY OF RELATIVELY UNIFORMLY SPACED OPENINGS ACROSS ITS BED SUPPORTING CROSS SECTION, AND SAID PLATES HAVING GRADUATED FREE AREAS TO THE PASSAGE OF GASES, THE UPPER OF SAID PLATES HAVING THE GREATEST FREE CROSS-SECTIONAL AREA SUCH THAT PRESSURE DROP DUE TO THE FLOW OF GASES THERETHROUGH IS THE LOWEST, AND DISTINCT GAS INLET MEANS OTHER THAN SAID FORAMINOUS PLATES ADAPTED TO ADMIT GASES BENEATH AND BETWEEN SAID PLATES.
Claim 2
Dependent Claim
120 words
APPARATUS FOR CONTACTING FLUIDIZABLE SOLIDS AND GASES WHICH COMPRISES A VERTICALLY DISPOSED VESSEL, OUTLET MEANS IN THE UPPER PORTION FOR REMOVING GASES, GAS DISTRIBUTING MEANS IN SAID VESSEL ADAPTED TO SUPPORT A FLUIDIZED BED OF SOLIDS, SAID GAS DISTRIBUTING MEANS COMPRISING A PLURALITY OF VERTICAL SPACED FORAMINOUS PLATES, EACH PLATE HAVING A MULTIPLICITY OF RELATIVELY UNIFORMLY SPACED OPENINGS ACROSS ITS BED SUPPORTING CROSS SECTION, AND SAID PLATES HAVING GRADUATED FREE AREAS TO THE PASSAGE OF GASES, THE UPPER OF SAID PLATES HAVING THE GREATEST FREE CROSS-SECTIONAL AREA SUCH THAT PRESSURE DROP DUE TO THE FLOW OF GASES THERETHROUGH IS THE LOWEST, AND DISTINCT GAS INLET MEANS OTHER THAN SAID FORAMINOUS PLATES ADAPTED TO ADMIT GASES BENEATH AND BETWEEN SAID PLATES.
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) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |