US3294649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desalinization of water
Assignee: Individual
•
Filing: 1963-08-20
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Granted: 1966-12-27
•
Expires: 1983-08-20
Abstract
No abstract record available.
Inventors
- 👤 Jr William Ward Powell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:46
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/10; Y; Y10; Y10S; Y10S159/00; Y10S159/25; Y10S159/33; Y10S203/00; Y10S203/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
245 words
METHOD FOR THE DESALINIZATION OF AQUEOUS SALINE SOLUTIONS COMPRISING THE STEPS OF: (A) MAINTAINING A BODY OF AQUEOUS SALINE SOLUTION AT ITS EVAPORATION TEMPERATURE IN A VAPORIZATION ZONES IN CONTACT WITH AND SUPERIMPOSED UPON A BODY OF A RELATIVELY VOLATILE LIQUID HEAT TRANSFER MEDIUM HAVING LIMITED SOLUBILITY IN WATER AND IN SAID SALINE SOLUTION AND HAVING A HIGHER SPECIFIC GRAVITY THAN SAID SALINE SOLUTION, THE AQUEOUS SALINE SOLUTION BEING INTRODUCED ABOVE THE SAID BODIES; (B) HEATING AND VOLATILIZING SAID LIQUID HEAT TRANSFER MEDIUM TO FORM VAPORS THEREOF AND PASSING SAID VAPORS THROUGH SAID BODY OF AQUEOUS SALINE SOLUTION, IN DIRECT HEAT EXCHANGE, WHEREBY SAID SALINE SOLUTION IS HEATED BOILED, A PORTION OF SAID HEAT TRANSFER MEDIUM VAPOR BEING CONDENSED TO LIQUID AND RETURNED TO SAID BODY OF LIQUID TRANSFER MEDIUM; (C) VAPORIZING WATER FROM SAID SALINE SOLUTION AND COLLECTING WATER VAPOR AND HEAT TRANSFER MEDIUM VAPOR AS A COMBINED VAPOR; (D) PASSING SAID COMBINED VAPOR THROUGH A HEAT EXCHANGE MEANS AND IN INDIRECT HEAT EXCHANGE WITH THE LIQUID HEAT TRANSFER MEDIUM TO SIMULTANEOUSLY CONDENSE THE WATER VAPOR RO LIQUID WATER AND THE HEAT TRANSFER MEDIUM VAPOR TO LIQUID HEAT TRANSFER MEDIUM; (E) REMOVING AND GRAVITY SEPARATING THE CONDENSED WATER AND THE CONDENSED LIQUID HEAT TRANSFER MEDIUM; AND (F) RETURNING THE CONDENSED LIQUID HEAT TRANSFER MEDIUM TO SAID BODY THEREOF IN SAID VARPORIZATION ZONE ABOVE THE SAID BODIES, SAID LIQUID HEAT TRANSFER MEDIUM BEING MAINTAINED IN LIQUID FORM WHEN IT IS RETURNED TO SAID VAPORIZATION ZONE.
Claim 2
Dependent Claim
245 words
METHOD FOR THE DESALINIZATION OF AQUEOUS SALINE SOLUTIONS COMPRISING THE STEPS OF: (A) MAINTAINING A BODY OF AQUEOUS SALINE SOLUTION AT ITS EVAPORATION TEMPERATURE IN A VAPORIZATION ZONES IN CONTACT WITH AND SUPERIMPOSED UPON A BODY OF A RELATIVELY VOLATILE LIQUID HEAT TRANSFER MEDIUM HAVING LIMITED SOLUBILITY IN WATER AND IN SAID SALINE SOLUTION AND HAVING A HIGHER SPECIFIC GRAVITY THAN SAID SALINE SOLUTION, THE AQUEOUS SALINE SOLUTION BEING INTRODUCED ABOVE THE SAID BODIES; (B) HEATING AND VOLATILIZING SAID LIQUID HEAT TRANSFER MEDIUM TO FORM VAPORS THEREOF AND PASSING SAID VAPORS THROUGH SAID BODY OF AQUEOUS SALINE SOLUTION, IN DIRECT HEAT EXCHANGE, WHEREBY SAID SALINE SOLUTION IS HEATED BOILED, A PORTION OF SAID HEAT TRANSFER MEDIUM VAPOR BEING CONDENSED TO LIQUID AND RETURNED TO SAID BODY OF LIQUID TRANSFER MEDIUM; (C) VAPORIZING WATER FROM SAID SALINE SOLUTION AND COLLECTING WATER VAPOR AND HEAT TRANSFER MEDIUM VAPOR AS A COMBINED VAPOR; (D) PASSING SAID COMBINED VAPOR THROUGH A HEAT EXCHANGE MEANS AND IN INDIRECT HEAT EXCHANGE WITH THE LIQUID HEAT TRANSFER MEDIUM TO SIMULTANEOUSLY CONDENSE THE WATER VAPOR RO LIQUID WATER AND THE HEAT TRANSFER MEDIUM VAPOR TO LIQUID HEAT TRANSFER MEDIUM; (E) REMOVING AND GRAVITY SEPARATING THE CONDENSED WATER AND THE CONDENSED LIQUID HEAT TRANSFER MEDIUM; AND (F) RETURNING THE CONDENSED LIQUID HEAT TRANSFER MEDIUM TO SAID BODY THEREOF IN SAID VARPORIZATION ZONE ABOVE THE SAID BODIES, SAID LIQUID HEAT TRANSFER MEDIUM BEING MAINTAINED IN LIQUID FORM WHEN IT IS RETURNED TO SAID VAPORIZATION ZONE.
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |