US3723073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Installation for recovering electric power,combined with an alumina manufacturing installation
Assignee: Individual
•
Filing: 1969-05-26
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Granted: 1973-03-27
•
Expires: 1989-05-26
Abstract
Abstract AN INSTALLATION FOR PRODUCING ELECTRIC POWER FROM HEAT RECOVERED IN AN ALUMINA PRODUCING INSTALLATION RUN ACCORDING TO THE BAYER PROCESS IS DISCLOSED, IN WHICH A COMBINATION OF HEAT EXCHANGING MEANS IS PROVIDED, FOR RECOVERING THE HEAT PRODUCED IN THE REACTION OF BAUXITE WITH A CAUSTIC ALKALI, AND ALSO FOR RECOVERING THE HEAT FROM STEAM USED IN THE SEVERAL STAGES OF THE POWER-GENERATING TURBOALTERNATOR WHICH IS AN INTEGRAL PART OF THE POWER STATION FED BY WASTE HEAT. A CONSIDERABLE OVERALL EFFICIENCY IS OBTAINED, SO THAT THE ELECTRIC POWER PRODUCED WITH RECOVERED HEAT IS A REMUNERATIVE BY-PRODUCT.
Inventors
- 👤 F Conti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:53
CPC Classifications
C; C01; C01F; C01F7/00; C01F7/02; C01F7/04; C01F7/06; Y; Y02; Y02P; Y02P20/00; Y02P20/10; Y02P20/129; Y10; Y10S; Y10S165/00; Y10S165/909
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) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |