US3135244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor generator
Assignee: Combustion Engineering Inc
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Filing: 1961-07-27
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Granted: 1964-06-02
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Expires: 1981-07-27
Abstract
No abstract record available.
Inventors
- 👤 Virginius Z Caracristi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:53
CPC Classifications
F; F22; F22G; F22G5/00; F22B; F22B29/00; F22B29/06; F22B29/067; F22B35/00; F22B35/06; F22B35/10; F22B35/108; F22G5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A SUPERCRITICAL VAPOR GENERATOR COMPRISING IN COMBINATION A THROUGH-FLOW CIRCUIT, MEANS FOR FORCING THE WORKING MEDIUM THROUGH SAID CIRCUIT AT SUPERCRITICAL PRESSURE, A PAIR OF FURNACES, A TUBULAR PARTITION WALL SEPARATING SAID FURNACES, MEANS INDEPENDENTLY FIRING SAID FURNACES, TUBULAR MEMBERS LINING THE FURNACE WALLS, THE FURNACES HAVING A GAS PASSAGEWAY EXTENDING THEREFROM , SAID PARTITION WALL AND SAID FURNACE WALLS FORMING PART OF THE THROUGH-FLOW CIRCUIT, THE PORTIONS OF THE THROUGH-FLOW CIRCUIT BEING SO DISPOSED THAT THE TRANSITION ZONE OF THE CIRCUIT IS LOCATED IN THE TUBULAR MEMBERS LINING THE FURNACE WALLS, MEANS DIRECTING THE THROUGH-FLOWFIRST THROUGH THE TUBULAR MEMBERS ON THE FURNACE WALLS AND DIRECTLY THEREFROM THROUGH THE PARTITION WALL, ADDITIONAL HEAT EXCHANGE SURFACE HEATED BY THE GASES PRODUCED IN SAID FURNACES AND MEANS FOR CONVEYING THERETRHOUGH THE THROUGH-FLOW EGRESSING FROM THE PARTITION WALL, AND REHEATER MEANS SUBJECTED OT THE COMBUSTION GASES GENERATED IN ONE OF SAID FURNACES.
Claim 2
Dependent Claim
149 words
A SUPERCRITICAL VAPOR GENERATOR COMPRISING IN COMBINATION A THROUGH-FLOW CIRCUIT, MEANS FOR FORCING THE WORKING MEDIUM THROUGH SAID CIRCUIT AT SUPERCRITICAL PRESSURE, A PAIR OF FURNACES, A TUBULAR PARTITION WALL SEPARATING SAID FURNACES, MEANS INDEPENDENTLY FIRING SAID FURNACES, TUBULAR MEMBERS LINING THE FURNACE WALLS, THE FURNACES HAVING A GAS PASSAGEWAY EXTENDING THEREFROM , SAID PARTITION WALL AND SAID FURNACE WALLS FORMING PART OF THE THROUGH-FLOW CIRCUIT, THE PORTIONS OF THE THROUGH-FLOW CIRCUIT BEING SO DISPOSED THAT THE TRANSITION ZONE OF THE CIRCUIT IS LOCATED IN THE TUBULAR MEMBERS LINING THE FURNACE WALLS, MEANS DIRECTING THE THROUGH-FLOWFIRST THROUGH THE TUBULAR MEMBERS ON THE FURNACE WALLS AND DIRECTLY THEREFROM THROUGH THE PARTITION WALL, ADDITIONAL HEAT EXCHANGE SURFACE HEATED BY THE GASES PRODUCED IN SAID FURNACES AND MEANS FOR CONVEYING THERETRHOUGH THE THROUGH-FLOW EGRESSING FROM THE PARTITION WALL, AND REHEATER MEANS SUBJECTED OT THE COMBUSTION GASES GENERATED IN ONE OF SAID FURNACES.
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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |