US3344041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multistage flash distillation of saline water
Assignee: Individual
•
Filing: 1964-12-18
•
Granted: 1967-09-26
•
Expires: 1984-12-18
Abstract
No abstract record available.
Inventors
- 👤 Wulfson Dov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:23
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/16; B; B01; B01D; B01D3/00; B01D3/06; B01D3/065; C02F1/06; Y; Y02; Y02A; Y02A20/00; Y02A20/124; Y10; Y10S; Y10S159/00; Y10S159/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A METHOD OF EFFECTING THE DISTILLATION OF A SOLUTION COMPRISING THE STEPS OF DIRECTING A PORTION OF THE INCOMING SOLUTION THROUGH A HEAT EXCHANGER WHERE IT IS HEATED BY AN EXTERNAL HEAT SOURCE TO A PREDETERMINED ELEVATED TEMPERATURE AND IS PASSED TO THE FIRST STAGE OF AN EVAPORATOR HAVING N STAGES, THE PRESSURE IN THE EVAPORATOR DECREASING FROM STAGE TO STAGE, SEPARATING THE REMAINDER OF THE INCOMING SOLUTION INTO (N-1) STREAMS TO BE DISCHARGED RESPECTIVELY INTO THE (N-1) REMAINING STAGES, AT LEAST A PORTION OF THE SOLUTION DISCHARGED IN EACH STAGE BEING SUBJECTED TO FLASH EVAPORATION THEREIN, THE VAPOURS THEREBY PRODUCED BEIN CONDENSED TO FORM A CONDENSATE, EACH OF THE (N-1) STREMAS, PRIOR TO DISCHARGING INTO A STAGE BEING SUBJECTED TO HEAT EXCHANGE WITH THE CONDENSATE FROM THE PRECEDING STAGE.
Claim 2
Independent Claim
130 words
A METHOD OF EFFECTING THE DISTILLATION OF A SOLUTION COMPRISING THE STEPS OF DIRECTING A PORTION OF THE INCOMING SOLUTION THROUGH A HEAT EXCHANGER WHERE IT IS HEATED BY AN EXTERNAL HEAT SOURCE TO A PREDETERMINED ELEVATED TEMPERATURE AND IS PASSED TO THE FIRST STAGE OF AN EVAPORATOR HAVING N STAGES, THE PRESSURE IN THE EVAPORATOR DECREASING FROM STAGE TO STAGE, SEPARATING THE REMAINDER OF THE INCOMING SOLUTION INTO (N-1) STREAMS TO BE DISCHARGED RESPECTIVELY INTO THE (N-1) REMAINING STAGES, AT LEAST A PORTION OF THE SOLUTION DISCHARGED IN EACH STAGE BEING SUBJECTED TO FLASH EVAPORATION THEREIN, THE VAPOURS THEREBY PRODUCED BEIN CONDENSED TO FORM A CONDENSATE, EACH OF THE (N-1) STREMAS, PRIOR TO DISCHARGING INTO A STAGE BEING SUBJECTED TO HEAT EXCHANGE WITH THE CONDENSATE FROM THE PRECEDING STAGE.
References Cited (Backward Citations)
US2803589A
Cited
US2908618A
Cited
US3119752A
Cited
US3165452A
Cited
US3218241A
Cited
US3152053A
Cited
US3257290A
Cited
US3219554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |