Patent US2848388A successfully refreshed from Google Patents.
US2848388A
Expired / Lapsed
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Apparatus for the rectification of multicomponent mixtures
Assignee: Individual
•
Filing: 1954-08-27
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Granted: 1958-08-19
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Expires: 1974-08-27
Abstract
No abstract record available.
Inventors
- 👤 Bueche Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:27
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/14; B01D3/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN APPARATUS FOR THE RECTIFICATION OF MIXED LIQUIDS, A HEATED CYLINDRICAL CHAMBER; A ROTOR CONSTRUCTION FOR SPREADING SAID LIQUIDS IN A THIN FILM ON THE INNER WALL OF SAID CHAMBER COMPRISING, A ROTOR HAVING A CENTRAL PASSAGE FOR COOLANT AND AN IMPERFORATE NON-CYLINDRICAL EXTERNAL SURFACE; AND A PLURALITY OF HEAT CONDUCTING BLADES ON SAID ROTOR EXTENDING OUTWARDLY THEREFROM TO POINTS CLOSELY ADJACENT SAID WALL, THE EXTERNAL SURFACE OF THE ROTOR CONSTRUCTION DEFINED BY THE ROTOR AND THE BLADES BEING SUCH THAT A TANGENT AT ANY POINT ON SAID SURFACE IS OBLIQUE WITH RESPECT TO A RADIUS DRAWN TO SAID POINT WHEREBY THE LIQUID SLIDES N A THIN FILM ALONG SAID EXTERNAL SURFACE WITHOUT THE FORMATION OF DROPLETS.
Claim 2
Dependent Claim
117 words
IN APPARATUS FOR THE RECTIFICATION OF MIXED LIQUIDS, A HEATED CYLINDRICAL CHAMBER; A ROTOR CONSTRUCTION FOR SPREADING SAID LIQUIDS IN A THIN FILM ON THE INNER WALL OF SAID CHAMBER COMPRISING, A ROTOR HAVING A CENTRAL PASSAGE FOR COOLANT AND AN IMPERFORATE NON-CYLINDRICAL EXTERNAL SURFACE; AND A PLURALITY OF HEAT CONDUCTING BLADES ON SAID ROTOR EXTENDING OUTWARDLY THEREFROM TO POINTS CLOSELY ADJACENT SAID WALL, THE EXTERNAL SURFACE OF THE ROTOR CONSTRUCTION DEFINED BY THE ROTOR AND THE BLADES BEING SUCH THAT A TANGENT AT ANY POINT ON SAID SURFACE IS OBLIQUE WITH RESPECT TO A RADIUS DRAWN TO SAID POINT WHEREBY THE LIQUID SLIDES N A THIN FILM ALONG SAID EXTERNAL SURFACE WITHOUT THE FORMATION OF DROPLETS.
References Cited (Backward Citations)
GB308727A
Cited
US2370464A
Cited
US2383945A
Cited
US2609335A
Cited
US2546380A
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US2455059A
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US2606146A
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US2562153A
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US2751338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |