Patent US3354555A successfully refreshed from Google Patents.
US3354555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for drying finely divided particles
Assignee: Individual
•
Filing: 1966-01-03
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Granted: 1967-11-28
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Expires: 1986-01-03
Abstract
No abstract record available.
Inventors
- 👤 Barr Peter Joachim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:06
CPC Classifications
F; F26; F26B; F26B17/00; F26B17/10; F26B17/101; F26B17/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
APPARATUS FOR FLASH DRYING FINELY DIVIDED MATERIAL WHILST CONVEYED IN A STREAM OF HOT GAS COMPRISING MEANS FOR MIXING WET FINELY DIVIDED PARTICLES WITH RELATIVELY DRY FINELY DIVIDED PARTICLES AND FOR DISINTEGRATING THE AGGREGATES SO FORMED IN THE PRESENCE OF A CURRENT OF WARM GAS, A MAIN DRYING DUCT, MEANS FOR PASSING A STREAM OF GAS THROUGH SAID MAIN DRYING DUCT, MEANS FOR HEATING THE GAS ENTERING SAID DUCT, MEANS FOR INTRODUCING PARTICLES RESULTING FROM THE DISINTEGRATION OF SAID AGGREGATES INTO SAID MAIN DRYING DUCT AT A POINT DOWNSTREAM FROM SAID HEATING MEANS, A SEPARATOR MEANS ARRANGED ON THE OUTSIDE WALL OF A BEND OF THE MAIN DRYING DUCT COMPRISING AN OPENING WITH AN ADJUSTABLE DEFLECTOR, DUCT MEANS FOR RECYCLING A STREAM OF PARTICLE-LADEN GAS FROM SAID OPENING BACK TO THE MIXER AND DISINTEGRATOR MEANS AND MEANS FOR SEPARATING PRODUCT PARTICLES PROXIMATE THE OUTLET END OF THE MAIN DRYING DUCT.
Claim 2
Dependent Claim
150 words
APPARATUS FOR FLASH DRYING FINELY DIVIDED MATERIAL WHILST CONVEYED IN A STREAM OF HOT GAS COMPRISING MEANS FOR MIXING WET FINELY DIVIDED PARTICLES WITH RELATIVELY DRY FINELY DIVIDED PARTICLES AND FOR DISINTEGRATING THE AGGREGATES SO FORMED IN THE PRESENCE OF A CURRENT OF WARM GAS, A MAIN DRYING DUCT, MEANS FOR PASSING A STREAM OF GAS THROUGH SAID MAIN DRYING DUCT, MEANS FOR HEATING THE GAS ENTERING SAID DUCT, MEANS FOR INTRODUCING PARTICLES RESULTING FROM THE DISINTEGRATION OF SAID AGGREGATES INTO SAID MAIN DRYING DUCT AT A POINT DOWNSTREAM FROM SAID HEATING MEANS, A SEPARATOR MEANS ARRANGED ON THE OUTSIDE WALL OF A BEND OF THE MAIN DRYING DUCT COMPRISING AN OPENING WITH AN ADJUSTABLE DEFLECTOR, DUCT MEANS FOR RECYCLING A STREAM OF PARTICLE-LADEN GAS FROM SAID OPENING BACK TO THE MIXER AND DISINTEGRATOR MEANS AND MEANS FOR SEPARATING PRODUCT PARTICLES PROXIMATE THE OUTLET END OF THE MAIN DRYING DUCT.
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) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |