US3066017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control of flow of particulate solids
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1953-07-28
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Granted: 1962-11-27
•
Expires: 1973-07-28
Abstract
No abstract record available.
Inventors
- 👤 Charles E Jahnig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:28
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/1809; B01J2208/00; B01J2208/00008; B01J2208/00548
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
APPARATUS FOR CONTROLLING THE RATE OF FLOW OF FINELY DIVIDED FLUIDIZED SOLIDS THROUGH CONDUIT MEANS TO A SEPARATE ZONE OF DESIRED USE, SAID CONDUIT MEANS INCLUDING A STANDPIPE PROVIDED AT ITS LOWER END AND WITH A U-BEND A VESSEL OF LARGER DIAMETER THAN SAID U-BEND, AN UPWARDLY AND OUTWARDLY FLARED INLET SECTION CONNECTING THE UPPER END OF SAID U-BEND WITH THE BOTTOM PORTION OF SAID VESSEL AND A PIPE LEADING FROM THE UPPER PORTION OF SAID VESSEL, A GRID OF SUBSTANTIALLY THE SAME DIAMETER AS SAID VESSEL AND ARRANGED IN LOWER PORTION OF SAID VESSEL, A FLUIDIZABLE BED OF COARSE SOLIDS MUCH COARSER THAN SAID FINELY DIVIDED SOLIDS AND CONTAINED IN THE LOWER PORTION ONLY OF SAID VESSEL AND SUPPORTED BY SAID GRID, SAID UBEND FORMING MEANS WHEREBY FINELY DIVIDED FLUIDIZED SOLIDS INCLUDING FLUIDIZING GAS ARE INTRODUCED INTO THE BOTTOM PORTION OF SAID UPWARDLY AND OUTWARDLY FLARED INLET SECTION AND BELOW SAID GRID ONLY FOR A PASSAGE UPWARDLY
Claim 2
Dependent Claim
158 words
APPARATUS FOR CONTROLLING THE RATE OF FLOW OF FINELY DIVIDED FLUIDIZED SOLIDS THROUGH CONDUIT MEANS TO A SEPARATE ZONE OF DESIRED USE, SAID CONDUIT MEANS INCLUDING A STANDPIPE PROVIDED AT ITS LOWER END AND WITH A U-BEND A VESSEL OF LARGER DIAMETER THAN SAID U-BEND, AN UPWARDLY AND OUTWARDLY FLARED INLET SECTION CONNECTING THE UPPER END OF SAID U-BEND WITH THE BOTTOM PORTION OF SAID VESSEL AND A PIPE LEADING FROM THE UPPER PORTION OF SAID VESSEL, A GRID OF SUBSTANTIALLY THE SAME DIAMETER AS SAID VESSEL AND ARRANGED IN LOWER PORTION OF SAID VESSEL, A FLUIDIZABLE BED OF COARSE SOLIDS MUCH COARSER THAN SAID FINELY DIVIDED SOLIDS AND CONTAINED IN THE LOWER PORTION ONLY OF SAID VESSEL AND SUPPORTED BY SAID GRID, SAID UBEND FORMING MEANS WHEREBY FINELY DIVIDED FLUIDIZED SOLIDS INCLUDING FLUIDIZING GAS ARE INTRODUCED INTO THE BOTTOM PORTION OF SAID UPWARDLY AND OUTWARDLY FLARED INLET SECTION AND BELOW SAID GRID ONLY FOR A PASSAGE UPWARDLY
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |