Patent US2728457A successfully refreshed from Google Patents.
US2728457A
Expired / Lapsed
US
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Phase separation process and apparatus
Assignee: Atlantic Richfield Co
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Filing: 1951-09-14
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Granted: 1955-12-27
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Expires: 1971-09-14
Abstract
No abstract record available.
Inventors
- 👤 Edgar W Clarke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:52
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/06; B; B01; B01D; B01D11/00; B01D11/04; B01D11/0446; B01D11/0453; B01D17/00; B01D17/02; B01D17/0208; B01D17/0211
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A METHOD OF CONTINUOUSLY SEPARATING A LIQUID MIXTURE CONTAINING AT LEAST TWO SUBSTANTIALLY IMMISCIBLE PHASES OF DIFFERENT SPECIFIC GRAVITIES WHICH COMPRISES PASSING SAID LIQUID MIXTURE IN SUBSTANTIALLY HORIZONTAL TURBULENT NONSTREAMLINE FLOW INTO A MAIN SETTING AND SEPARATION ZONE WHEREIN SAID LIQUID MIXTURE IS SUBDIVIDED INTO A PLURALITY OF SMALLER SETTLING AND SEPARATION ZONES TO THEREBY AT LEAST PARTIALLY RESTRICT THE LATERAL MOVEMENT OF SAID WITHOUT INTERFERING WITH THE VERTICAL MOVEMENT OF SAID PHASES; AND AFTER SAID PHASES HAVE BECOME SUBSTANTIALLY SEPARATED INTO AN UPPER AND LOWER PHASE, SEPARATELY WITHDRAWING EACH OF SAID PHASES TO SUBSTANTIALLY AVOID ANY PARTIAL REMIXING OF SAID PHASES DUE TO EDDY TURBULENCE AT THE INTERFACE OF SAID TWO PHASES BY MAINTAINING THE UPPER PHASE IN SUBSTANTIALLY NON-TURBULENT STREAMLINE FLOW
Claim 2
Independent Claim
123 words
A METHOD OF CONTINUOUSLY SEPARATING A LIQUID MIXTURE CONTAINING AT LEAST TWO SUBSTANTIALLY IMMISCIBLE PHASES OF DIFFERENT SPECIFIC GRAVITIES WHICH COMPRISES PASSING SAID LIQUID MIXTURE IN SUBSTANTIALLY HORIZONTAL TURBULENT NONSTREAMLINE FLOW INTO A MAIN SETTING AND SEPARATION ZONE WHEREIN SAID LIQUID MIXTURE IS SUBDIVIDED INTO A PLURALITY OF SMALLER SETTLING AND SEPARATION ZONES TO THEREBY AT LEAST PARTIALLY RESTRICT THE LATERAL MOVEMENT OF SAID WITHOUT INTERFERING WITH THE VERTICAL MOVEMENT OF SAID PHASES; AND AFTER SAID PHASES HAVE BECOME SUBSTANTIALLY SEPARATED INTO AN UPPER AND LOWER PHASE, SEPARATELY WITHDRAWING EACH OF SAID PHASES TO SUBSTANTIALLY AVOID ANY PARTIAL REMIXING OF SAID PHASES DUE TO EDDY TURBULENCE AT THE INTERFACE OF SAID TWO PHASES BY MAINTAINING THE UPPER PHASE IN SUBSTANTIALLY NON-TURBULENT STREAMLINE FLOW
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) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |