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US3344616A Expired / Lapsed US ⏱️ 0.0 years remaining

Desalinization

Assignee: Individual
•
Filing: 1963-08-23
•
Granted: 1967-10-03
•
Expires: 1983-08-23
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Abstract

No abstract record available.

Inventors

  • 👤 Owen Margaret Louise

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 10:18
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/22; C02F2103/00; C02F2103/08; Y; Y02; Y02A; Y02A20/00; Y02A20/124

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 269 words
A CONTINUOUS DESALINIZATION PROCESS WHICH COMPRISES: EXTRACTING HEAT FROM SALINE WATER IN A PRECOOLER BY PASSING SAID SALINE WATER IN HEAT EXCHANGING RELATIONSHIP WITH COOLED RESIDUAL BRINE; PASSING THE PRECOOLED SALINE WATER INTO A FREEZE CHAMBER IN HEAT EXCHANGING RELATIONSHIP WITH THE EVAPORATED PHASE OF A REFRIGERANT TO PARTIALLY FREEZE SAID SALINE WATER AND FORM A SUDGE OF ICE CRYSTALS FLOATING IN COOLED RESIDUAL BRINE; PASSING A FIRST PORTION OF SAID COOLED RESIDUAL BRINE TO SAID PRECOOLER; BRINGING SAID ICE CRYSTALS AND A SECOND PORTION OF SAID COOLED RESIDUAL BRINE INTO INTIMATE CONTACT WITH THE FIRST SIDE OF A ROTATING FILTER SCREEN; REMOVING AIR FROM THE SECOND SIDE OF SAID ROTATING FILTER SCREEN TO CREATE A PRESSURE DIFFERENTIAL ACROSS SAID FILTER SCREEN TO ATTRACT SAID CRYSTALS THERETO; ROTATING SAID FILTER SCREEN TO REMOVE A PORTION OF SAID SCREEN AND THE ATTRACTED CRYSTALS THEREON FROM SAID SECOND PORTION OF COOLED RESIDUAL BRINE; PASSING RINSING AIR ACROSS SAID ATTRACTED CRYSTALS AND THROUGH SAID FROM ITS FIRST TO ITS SECOND SIDE; COOLING SAID RINSING AIR TO A TEMPERATURE JUST ABOVE THE MELTING TEMPERATURE OF SAID CRYSTALS TO MELT THE SURFACE OF SAID CRYSTALS AND REMOVE SALTS THEREFROM; REMOVING THE REMAINING ICE CRYSTALS FROM SAID SCREEN AND PLACING THEM IN HEAT EXCHANGING RELATIONSHIP WITH THE COMPRESSED PHASE OF SAID REFRIGERANT TO MELT SAID CRYSTALS AND FORM FRESH WATER; AND RECYCLING THE MOISTURE LADEN AIR REMOVED FROM THE SECOND SIDE OF SAID FILTER SCREEN TO FUNCTION AS AT LEAST A PORTION OF SAID RINSING AIR SO THAT THE RINSING AIR WILL BE OF HIGHER MOISTURE CONTENT IN ORDER TO INSURE WASHING OF THE CRYSTALS.
Claim 2
Dependent Claim 269 words
A CONTINUOUS DESALINIZATION PROCESS WHICH COMPRISES: EXTRACTING HEAT FROM SALINE WATER IN A PRECOOLER BY PASSING SAID SALINE WATER IN HEAT EXCHANGING RELATIONSHIP WITH COOLED RESIDUAL BRINE; PASSING THE PRECOOLED SALINE WATER INTO A FREEZE CHAMBER IN HEAT EXCHANGING RELATIONSHIP WITH THE EVAPORATED PHASE OF A REFRIGERANT TO PARTIALLY FREEZE SAID SALINE WATER AND FORM A SUDGE OF ICE CRYSTALS FLOATING IN COOLED RESIDUAL BRINE; PASSING A FIRST PORTION OF SAID COOLED RESIDUAL BRINE TO SAID PRECOOLER; BRINGING SAID ICE CRYSTALS AND A SECOND PORTION OF SAID COOLED RESIDUAL BRINE INTO INTIMATE CONTACT WITH THE FIRST SIDE OF A ROTATING FILTER SCREEN; REMOVING AIR FROM THE SECOND SIDE OF SAID ROTATING FILTER SCREEN TO CREATE A PRESSURE DIFFERENTIAL ACROSS SAID FILTER SCREEN TO ATTRACT SAID CRYSTALS THERETO; ROTATING SAID FILTER SCREEN TO REMOVE A PORTION OF SAID SCREEN AND THE ATTRACTED CRYSTALS THEREON FROM SAID SECOND PORTION OF COOLED RESIDUAL BRINE; PASSING RINSING AIR ACROSS SAID ATTRACTED CRYSTALS AND THROUGH SAID FROM ITS FIRST TO ITS SECOND SIDE; COOLING SAID RINSING AIR TO A TEMPERATURE JUST ABOVE THE MELTING TEMPERATURE OF SAID CRYSTALS TO MELT THE SURFACE OF SAID CRYSTALS AND REMOVE SALTS THEREFROM; REMOVING THE REMAINING ICE CRYSTALS FROM SAID SCREEN AND PLACING THEM IN HEAT EXCHANGING RELATIONSHIP WITH THE COMPRESSED PHASE OF SAID REFRIGERANT TO MELT SAID CRYSTALS AND FORM FRESH WATER; AND RECYCLING THE MOISTURE LADEN AIR REMOVED FROM THE SECOND SIDE OF SAID FILTER SCREEN TO FUNCTION AS AT LEAST A PORTION OF SAID RINSING AIR SO THAT THE RINSING AIR WILL BE OF HIGHER MOISTURE CONTENT IN ORDER TO INSURE WASHING OF THE CRYSTALS.

References Cited (Backward Citations)

US2821304A Cited
US2670083A Cited
US2904412A Cited
US3121626A Cited
GB841374A Cited
US3102908A Cited
US3132096A Cited
US3098735A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-10-02 1971-04-03 1971-10-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-10-02 1975-04-03 1975-10-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-10-02 1979-04-03 1979-10-03 $7700.00 Window Closed / Lapsed

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