Patent US2798359A successfully refreshed from Google Patents.
US2798359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam power plant with means for heavy water concentration
Assignee: Individual
•
Filing: 1955-08-01
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Granted: 1957-07-09
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Expires: 1975-08-01
Abstract
No abstract record available.
Inventors
- 👤 John S Foster
- 👤 George E Haddeland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:16
CPC Classifications
C; C01; C01B; C01B5/00; C01B5/02; F; F01; F01K; F01K17/00; F01K17/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A STEAM POWER PLANT COMPRISING A BOILER, AT LEAST ONE STEAM TURBINE ARRANGED TO BE DRIVEN BY STEAM FROM SAID BOILER, A FRACTIONATION COLUMN HAVING A HIGH PRESSURE END AND A LOW PRESSURE END, SAID HIGH PRESSURE END BEING CONNECTED TO THE MAIN STEAM FLOW OF THE PLANT CYCLE TO PASS SAID MAIN STEAM FLOW THROUGH SAID COLUMN, A CONDENSER FOR CONDENSING STEAM FROM SAID MAIN STEAM FLOW WHICH HAS PASSED THROUGH SAID COLUMN, MEANS FOR RETURNING THE CONDENSED STEAM FROM SAID CONDENSER TO THE FLOW PRESSURE END OF SAID COLUMN AND THROUGH SAID COLUMN IN THE OPPOSITE DIRECTION TO THAT OF SAID MAIN STEAM FLOW, MEANS FOR DRAWING OFF AS A SUPPLY OF WATER ENRICHED IN DEUTERIUM SOME FLUID DERIVED FROM THE HIGH PRESSURE END OF SAID COLUMN, MEANS FOR DISCHARGING TO WASTE AS WATER DEPLETED IN DEUTERIUM A PREDETERMINED QUANTITY OF FLUID DERIVED FROM FLUID AT THE LOW PRESSURE END OF SAID COLUMN, AND MEANS FOR SUPPLYING TO SAID COLUMN A PREDETERMINED AMOUNT OF NATURAL WATER.
Claim 2
Dependent Claim
168 words
A STEAM POWER PLANT COMPRISING A BOILER, AT LEAST ONE STEAM TURBINE ARRANGED TO BE DRIVEN BY STEAM FROM SAID BOILER, A FRACTIONATION COLUMN HAVING A HIGH PRESSURE END AND A LOW PRESSURE END, SAID HIGH PRESSURE END BEING CONNECTED TO THE MAIN STEAM FLOW OF THE PLANT CYCLE TO PASS SAID MAIN STEAM FLOW THROUGH SAID COLUMN, A CONDENSER FOR CONDENSING STEAM FROM SAID MAIN STEAM FLOW WHICH HAS PASSED THROUGH SAID COLUMN, MEANS FOR RETURNING THE CONDENSED STEAM FROM SAID CONDENSER TO THE FLOW PRESSURE END OF SAID COLUMN AND THROUGH SAID COLUMN IN THE OPPOSITE DIRECTION TO THAT OF SAID MAIN STEAM FLOW, MEANS FOR DRAWING OFF AS A SUPPLY OF WATER ENRICHED IN DEUTERIUM SOME FLUID DERIVED FROM THE HIGH PRESSURE END OF SAID COLUMN, MEANS FOR DISCHARGING TO WASTE AS WATER DEPLETED IN DEUTERIUM A PREDETERMINED QUANTITY OF FLUID DERIVED FROM FLUID AT THE LOW PRESSURE END OF SAID COLUMN, AND MEANS FOR SUPPLYING TO SAID COLUMN A PREDETERMINED AMOUNT OF NATURAL WATER.
References Cited (Backward Citations)
US1499697A
Cited
US2218342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |