US2854157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeding granular solid material into a high pressure region
Assignee: ExxonMobil Oil Corp
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Filing: 1956-11-26
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Granted: 1958-09-30
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Expires: 1976-11-26
Abstract
No abstract record available.
Inventors
- 👤 Edward A Schraishuhn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:25
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/08; B01J8/12; B01J3/00; B01J3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
IN A PROCESS FOR INTERMITTENTLY TRANSFERRING GRANULAR SOLID MATERIAL FROM ONE LOCATION TO ANOTHER, THE STEPS COMPRISING: SUPPLYING GRANULAR SOLID MATERIAL TO A FIRST REGION TO MAINTAIN A COMPACT BED OF SOLIDS IN THE LOWER PORTION THEREOF, GRAVITATING THE SOLID MATERIAL DOWNWARDLY FROM THE BED THROUGH A CONFINED PASSAGE INTO A CONFINED ZONE THEREBELOW, PARTITIONING THE FLOW OF SOLID MATERIAL IN THE BED AND PASSAGE SO AS TO SUBSTANTIALLY REDUCE THE HYDRAULIC RADIUS IN THE BED AND COLUMN SO AS TO EFFECT SUBSTANTIALLY UNIFORM DOWNWARD MOVEMENT OF THE SOLID MATERIAL AT ALL LOCATIONS ACROSS THE BED AND SO AS TO EFFECT UNIFORM DISTRIBUTION OF GAS RISING UPWARDLY THROUGH THE PASSAGE ACROSS THE BED, PERIODICALLY REMOVING SOLID MATERIAL FROM SAID CONFINED ZONE AND SIMULTANEOUSLY PREVENTING THE FLOW OF SOLID MATERIAL IN SAID CONFINED PASSAGE BY INCREASING THE GASEOUS PRESSURE IN SAID CONFINED ZONE TO A PRESSURE WHICH IS ABOVE THAT IN SAID
Claim 2
Dependent Claim
151 words
IN A PROCESS FOR INTERMITTENTLY TRANSFERRING GRANULAR SOLID MATERIAL FROM ONE LOCATION TO ANOTHER, THE STEPS COMPRISING: SUPPLYING GRANULAR SOLID MATERIAL TO A FIRST REGION TO MAINTAIN A COMPACT BED OF SOLIDS IN THE LOWER PORTION THEREOF, GRAVITATING THE SOLID MATERIAL DOWNWARDLY FROM THE BED THROUGH A CONFINED PASSAGE INTO A CONFINED ZONE THEREBELOW, PARTITIONING THE FLOW OF SOLID MATERIAL IN THE BED AND PASSAGE SO AS TO SUBSTANTIALLY REDUCE THE HYDRAULIC RADIUS IN THE BED AND COLUMN SO AS TO EFFECT SUBSTANTIALLY UNIFORM DOWNWARD MOVEMENT OF THE SOLID MATERIAL AT ALL LOCATIONS ACROSS THE BED AND SO AS TO EFFECT UNIFORM DISTRIBUTION OF GAS RISING UPWARDLY THROUGH THE PASSAGE ACROSS THE BED, PERIODICALLY REMOVING SOLID MATERIAL FROM SAID CONFINED ZONE AND SIMULTANEOUSLY PREVENTING THE FLOW OF SOLID MATERIAL IN SAID CONFINED PASSAGE BY INCREASING THE GASEOUS PRESSURE IN SAID CONFINED ZONE TO A PRESSURE WHICH IS ABOVE THAT IN SAID
References Cited (Backward Citations)
US2393893A
Cited
US2477281A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |