Patent US2925331A successfully refreshed from Google Patents.
US2925331A
Expired / Lapsed
US
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Gas deflector for gas-solids contact apparatus
Assignee: Houdry Process Corp
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Filing: 1956-12-04
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Granted: 1960-02-16
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Expires: 1976-12-04
Abstract
No abstract record available.
Inventors
- 👤 Leon J Kazmierczak
- 👤 Iii Frederick W Sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:04
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/02; B01J8/04; B01J8/0446; B01J8/0476; B01J8/048; B01J8/0242; B01J8/0278; B01J2208/00; B01J2208/00796; B01J2208/00823; B01J2208/00831; B01J2208/00849; B01J2208/02; B01J2208/023; B01J2208/024; B01J2208/025; B01J2219/00; B01J2219/18; B01J2219/182
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
IN A GAS-SOLIDS CONTACTING VESSEL ADAPTED TO CONTAIN GRANULAR MATERIAL AS A FIXED BED HAVING AN EXPOSED SURFACE OF SUBSTANTIALLY GREATER LENGTH THAN WIDTH, SAID VESSEL HAVING A CIRCULAR GAS INLET NOZZLE ARRANGED TO INTRODUCE GASEOUS MATERIAL AS A DOWNWARDLY DIRECTED, HIGHVELOCITY STREAM CENTRALLY ABOVE SAID SURFACE OF SAID BED AND A GAS OUTLET ARRANGED TO DISCHARGE SAID GASEOUS MATERIAL AFTER PASSING DOWNWARDLY THROUGH SAID BED, THE COMBINATION THEREWITH OF A GAS DEFLECTOR COMPRISING A FLAT HORIZONTAL PORTION AND RAISED SIDE PORTIONS EXTENDING ALONG TWO OPPOSITE SIDES THEREOF TO FORM A SHALLOW U-CHANNEL PARALLEL TO THE LONGEST HORIZONTAL AXIS OF SAID SURFACE, THE BASE OF SAID CHANNEL HAVING A MINIMUM HORIZONTAL DIMENSION OF AT LEAST ABOUT 11/4 TIMES THE DISCHARGE DIAMETER OF SAID INLET NOZZLE AND BEING SPACED AXIALLY THEREBELOW A DISTANCE OF ABOUT 1/3-1 TIMES SAID DIAMETER, AND THE SIDES OF SAID CHANNEL HAVING A HEIGHT OF ABOUT 1/4-1/3 TIMES SAID DIAMETER AND A LENGTH OF AT LEAST ABOUT 1/3 OF SAID DIAMETER.
Claim 2
Dependent Claim
164 words
IN A GAS-SOLIDS CONTACTING VESSEL ADAPTED TO CONTAIN GRANULAR MATERIAL AS A FIXED BED HAVING AN EXPOSED SURFACE OF SUBSTANTIALLY GREATER LENGTH THAN WIDTH, SAID VESSEL HAVING A CIRCULAR GAS INLET NOZZLE ARRANGED TO INTRODUCE GASEOUS MATERIAL AS A DOWNWARDLY DIRECTED, HIGHVELOCITY STREAM CENTRALLY ABOVE SAID SURFACE OF SAID BED AND A GAS OUTLET ARRANGED TO DISCHARGE SAID GASEOUS MATERIAL AFTER PASSING DOWNWARDLY THROUGH SAID BED, THE COMBINATION THEREWITH OF A GAS DEFLECTOR COMPRISING A FLAT HORIZONTAL PORTION AND RAISED SIDE PORTIONS EXTENDING ALONG TWO OPPOSITE SIDES THEREOF TO FORM A SHALLOW U-CHANNEL PARALLEL TO THE LONGEST HORIZONTAL AXIS OF SAID SURFACE, THE BASE OF SAID CHANNEL HAVING A MINIMUM HORIZONTAL DIMENSION OF AT LEAST ABOUT 11/4 TIMES THE DISCHARGE DIAMETER OF SAID INLET NOZZLE AND BEING SPACED AXIALLY THEREBELOW A DISTANCE OF ABOUT 1/3-1 TIMES SAID DIAMETER, AND THE SIDES OF SAID CHANNEL HAVING A HEIGHT OF ABOUT 1/4-1/3 TIMES SAID DIAMETER AND A LENGTH OF AT LEAST ABOUT 1/3 OF SAID DIAMETER.
References Cited (Backward Citations)
US2338345A
Cited
US2766191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |