US3097126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum evaporator with a climbing and falling film
Assignee: Individual
•
Filing: 1961-03-01
•
Granted: 1963-07-09
•
Expires: 1981-03-01
Abstract
No abstract record available.
Inventors
- 👤 Koffler Maximilian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:21
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/22; A; A23; A23L; A23L2/00; A23L2/02; A23L2/08; A23L2/10; B01D3/00; B01D3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A VACUUM ECAPORATOR COMPRISING, IN COMBINATION, A CALANDRIA INCLUDING A CONDUIT SYYSTEM FOR THE LIQUID TO BE CONNECTED BY EVAPORATION; A SEPARATOR HAVING AN INLET CONNECTED TO THE OUTLET OF SAID CALANDRIA BY A DISCHARGE CONDUIT; THE CONDUIT SYSTEM BEING CONSTITUTED BY A SERIES-CONNECTED SEQUENCE OF ALTERNATING RISING AND DESCENDING COAXIAL ANNULAR CHANNEL FORMED BETWEEN HEAT EXCHANGE WALLS, THE OUTERMOST ONE OF SAID CHANNELS BEING CONNECTED TO A FEED CONDUCT AND THE INNERMOST ONE OF SAID CHANNELS BEING CONNECTING TO SAID DISCHARGE CONDUIT; AND MEANS CONNECTING A SORUCE OF SUB-ATMOSPHERIC PRESSURE TO SAID SEPARATOR TO PROVIDE A SUB-ATMOSPHERIC PRESSURE WITHIN SAID SEPARATOR, DISCHARGE CONDUIT AND CONDUIT SYSTEM, WHEREBY THE FLOW OF LIQUID THROUGH SAID VACUUM EVAPORATOR IS EFFECTED SUBSTANTIALLY ENTIRELY BY THE SUB-ATMOSPHERIC PRSSURE.
Claim 2
Dependent Claim
124 words
A VACUUM ECAPORATOR COMPRISING, IN COMBINATION, A CALANDRIA INCLUDING A CONDUIT SYYSTEM FOR THE LIQUID TO BE CONNECTED BY EVAPORATION; A SEPARATOR HAVING AN INLET CONNECTED TO THE OUTLET OF SAID CALANDRIA BY A DISCHARGE CONDUIT; THE CONDUIT SYSTEM BEING CONSTITUTED BY A SERIES-CONNECTED SEQUENCE OF ALTERNATING RISING AND DESCENDING COAXIAL ANNULAR CHANNEL FORMED BETWEEN HEAT EXCHANGE WALLS, THE OUTERMOST ONE OF SAID CHANNELS BEING CONNECTED TO A FEED CONDUCT AND THE INNERMOST ONE OF SAID CHANNELS BEING CONNECTING TO SAID DISCHARGE CONDUIT; AND MEANS CONNECTING A SORUCE OF SUB-ATMOSPHERIC PRESSURE TO SAID SEPARATOR TO PROVIDE A SUB-ATMOSPHERIC PRESSURE WITHIN SAID SEPARATOR, DISCHARGE CONDUIT AND CONDUIT SYSTEM, WHEREBY THE FLOW OF LIQUID THROUGH SAID VACUUM EVAPORATOR IS EFFECTED SUBSTANTIALLY ENTIRELY BY THE SUB-ATMOSPHERIC PRSSURE.
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) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |