US3283413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction vessel with a grid
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1963-07-22
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Granted: 1966-11-08
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Expires: 1983-07-22
Abstract
No abstract record available.
Inventors
- 👤 Mayer Francis Xavier
- 👤 Mayer Ivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:12
CPC Classifications
F; F26; F26B; F26B3/00; F26B3/02; F26B3/06; F26B3/08; F26B3/082; B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
IN A REACTION VESSEL HAVING A GRID MOUNTED ACROSS AN ENCLOSING WALL, THE WALL DEFINING A PASSAGEWAY FOR A HIGH VELOCITY ASCENDING GAS WHICH PASSED THROUGH THE GRID AND INTO CONTACT WITH A FINELY DIVIDED SOLIDS MATERIAL TO FORM A FLUIDIZED SOLIDS BED, SAID GRID BEING CONSTITUTED OF A FLAT PLATE HAVING EVENLY SPACED ORIFICE OPENINGS AND, ATTACHED TO THE BOTTOM OF SAID PLATE AT THE ORIFICE OPENINGS, JET NOZZLES EACH HAVING A CYLINDRICAL BORE THERETHROUGH, THE BORE OF EACH HAVING A CYLINDRICAL BORE THERETHROUGH, THE OPENING AND EACH BEING PROVIDED WITH A STRAIGHT RUN PORTION THE LENGTH OF WHICH RANGES FROM ABOUT 10 TO ABOUT 40 TIMES THE INSIDE DIAMETER OF SAID CYLINDRICAL BORE, THE IMPROVEMENT COMPRISING AN ASSEMBLY OF RIDGES INTEGRAL WITH SAID FLAT GRID PLATE, EACH BEING INCLINED TO THE HORIZONTAL OF AN OPENING AT FROM ABOUT 30* TO ABOUT 80* AND FORMING AROUND EACH OF SAID ORIFICE OPENINGS INVERTED PYRAMIDAL SHAPED AREAS EACH SLOPING DOWNWARDLY INTO AN ORIFICE OPENING.
Claim 2
Dependent Claim
163 words
IN A REACTION VESSEL HAVING A GRID MOUNTED ACROSS AN ENCLOSING WALL, THE WALL DEFINING A PASSAGEWAY FOR A HIGH VELOCITY ASCENDING GAS WHICH PASSED THROUGH THE GRID AND INTO CONTACT WITH A FINELY DIVIDED SOLIDS MATERIAL TO FORM A FLUIDIZED SOLIDS BED, SAID GRID BEING CONSTITUTED OF A FLAT PLATE HAVING EVENLY SPACED ORIFICE OPENINGS AND, ATTACHED TO THE BOTTOM OF SAID PLATE AT THE ORIFICE OPENINGS, JET NOZZLES EACH HAVING A CYLINDRICAL BORE THERETHROUGH, THE BORE OF EACH HAVING A CYLINDRICAL BORE THERETHROUGH, THE OPENING AND EACH BEING PROVIDED WITH A STRAIGHT RUN PORTION THE LENGTH OF WHICH RANGES FROM ABOUT 10 TO ABOUT 40 TIMES THE INSIDE DIAMETER OF SAID CYLINDRICAL BORE, THE IMPROVEMENT COMPRISING AN ASSEMBLY OF RIDGES INTEGRAL WITH SAID FLAT GRID PLATE, EACH BEING INCLINED TO THE HORIZONTAL OF AN OPENING AT FROM ABOUT 30* TO ABOUT 80* AND FORMING AROUND EACH OF SAID ORIFICE OPENINGS INVERTED PYRAMIDAL SHAPED AREAS EACH SLOPING DOWNWARDLY INTO AN ORIFICE OPENING.
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |