US3560111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for pumping liquids at high temperature by making a gaseous emulsion
Assignee: Compagnie Electro Mecanique SA
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Filing: 1968-11-22
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Granted: 1971-02-02
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Expires: 1988-11-22
Abstract
Abstract A METHOD AND APPARATUS FOR PUMPING HOT LIQUIDS BY MAKING A GASEOUS EMULSION IN WHICH A GAS FLOWING IN A CLOSED CYCLE IS INJECTED IN A COMPRESSED STATE IN THE FORM OF FINE BUBBLES INTO A HOT LIQUID TO BE PUMPED TO FORM AN EMULSION. THE GAS IN THE EMULSION IS ALOWED TO HEAT UP TO THE TEMPERATURE OF THE LIQUID, THE EMULSION IS THEN EXPANDED ACCOMPANIED BY A TRANSFER OF HEAT FROM THE LIQUID TO THE GAS, THE GAS IS THEN SEPARATED FROM THE LIQUID AND, AFTER COOLING, IS PASSED TO A LOW TEMPERATURE COMPRESSOR. THE GAS AFTER BEING COMPRESSED IS THEN REINJECTED INTO THE LIQUID FOLLOWING A HEAT EXCHANGE WITH THE HOT GAS AFTER BEING SEPARATED FROM THE LIQUID.
Inventors
- 👤 Jacques Sterlini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:50
CPC Classifications
F; F04; F04F; F04F1/00; F04F1/18; B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/2319
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |