US3263339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating solid particles in a fluidized state
Assignee: Wolverine Corp
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Filing: 1963-10-23
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Granted: 1966-08-02
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Expires: 1983-10-23
Abstract
No abstract record available.
Inventors
- 👤 Ernest C Brown
- 👤 Robert S Temple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:24
CPC Classifications
F; F26; F26B; F26B3/00; F26B3/02; F26B3/06; F26B3/08; F26B3/092; F26B3/0923; B; B01; B01J; B01J8/00; B01J8/16; F26B3/082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
APPARATUS FOR THERMALLY TREATING PARTICLES AS THEY ADVANCE CONTINUOUSLY, COMPRISING A SUBSTANTIALLY HORIZONTAL ELONGATED TROUGH, MEANS FOR FEEDING PARTICLES CONTINUOUSLY AND AT A CONSTANT RATE INTO ONE END OF SAID TROUGH, A SERIES OF NOZZLES ARRANGED TO PROJECT GASEOUS STREAMS PERPENDICULARLY DOWNWARDLY INTO SAID TROUGH TO FLUIDIZE SAID PARTICLES IN SAID TROUGH, MEANS FOR EXHAUSTING SAID GASES UPWARDLY AWAY FROM SAID TROUGH BETWEEN SAID NOZZLES, A PLENUM FOR HOT AIR COMMUNICATING WITH ONE GROUP OF SAID NOZZLES LOCATED IN A TREATING ZONE IN ADVANCE OF AN EXIT ZONE, A SEPARATE PLENUM FOR COOLER AIR COMMUNICATING WITH THE NOZZLES IN SAID EXIT ZONE, AND BAFFLE MEANS EXTENDING UPWARDLY FROM THE PLANE OF SAID TROUGH ADJACENT THE EXIT END OF SAID EXIT ZONE AND REDUCING THE CROSS-SECTIONAL AREA OF THE PATH OF ADVANCE OF SAID PARTICLES AS THEY EMERGE FROM SAID EXIT ZONE.
Claim 2
Dependent Claim
141 words
APPARATUS FOR THERMALLY TREATING PARTICLES AS THEY ADVANCE CONTINUOUSLY, COMPRISING A SUBSTANTIALLY HORIZONTAL ELONGATED TROUGH, MEANS FOR FEEDING PARTICLES CONTINUOUSLY AND AT A CONSTANT RATE INTO ONE END OF SAID TROUGH, A SERIES OF NOZZLES ARRANGED TO PROJECT GASEOUS STREAMS PERPENDICULARLY DOWNWARDLY INTO SAID TROUGH TO FLUIDIZE SAID PARTICLES IN SAID TROUGH, MEANS FOR EXHAUSTING SAID GASES UPWARDLY AWAY FROM SAID TROUGH BETWEEN SAID NOZZLES, A PLENUM FOR HOT AIR COMMUNICATING WITH ONE GROUP OF SAID NOZZLES LOCATED IN A TREATING ZONE IN ADVANCE OF AN EXIT ZONE, A SEPARATE PLENUM FOR COOLER AIR COMMUNICATING WITH THE NOZZLES IN SAID EXIT ZONE, AND BAFFLE MEANS EXTENDING UPWARDLY FROM THE PLANE OF SAID TROUGH ADJACENT THE EXIT END OF SAID EXIT ZONE AND REDUCING THE CROSS-SECTIONAL AREA OF THE PATH OF ADVANCE OF SAID PARTICLES AS THEY EMERGE FROM SAID EXIT ZONE.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |