Patent CH137580A successfully refreshed from Google Patents.
Patent US3135251A successfully refreshed from Google Patents.
US3135251A
Expired / Lapsed
US
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Circuit for 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
- 👤 Robert A Kane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:16
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/10; F22B37/14; F22B37/141; F22B29/00; F22B29/02; F22B29/023; F22B29/026; F22B29/06; F22B29/061; F22B29/067; F22B3/00; F22B3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A SUPERCRITICAL VAPOR GENERATOR INCLUDING A TUBULAR THROUGH-FLOW CIRCUIT THROUGH WHICH THE WORKING MEDIUM IS FORCED AT SUPERCRITICAL PRESSURE, AN ELONGATED FURNACE HAVING FIRING MEANS NEAR ONE END AND A COMBUSTION GAS OUTLET REMOTE THEREFROM, PASSAGEWAY MEANS EXTENDING FROM THE OUTLET AND ALONGSIDE THE FURNACE, A FURNACE PARTITION WALL COMPRISED OF LONGITUDINALLY EXTENDING TUBULAR MEMBERS AND FORMING PART OF SAID CIRCUIT, TUBULAR MEMBERS LINING AT LEAST A PORTION OF THE WALLS OF THE PASSAGEWAY AND FORMING PART OF SAID CIRCUIT DOWNSTREAM WITH RELATION TO FLOW THROUGH THE THROUGH-FLOW CIRCUIT OF SAID PARTITION WALL, AND ADDITIONAL TUBULAR MEMBERS LINING WALLS OF THE FURNACE AND ALSO FORMING PART OF THE CIRCUIT BUT DOWNSTREAM WITH RELATION TO FLOW THROUGH THE THROUGH-FLOW CIRCUIT OF THE PASSAGEWAY WALL TUBES, A CIRCULATING SYSTEM SUPERIMPOSED ON THE THROUGH-FLOW SYSTEM AND CONNECTED TO PROVIDE A SUPPLEMENTAL FLOW THROUGH SAID FURNACE WALL TUBULAR MEMBERS OVER AND ABOVE THE THROUGH-FLOW.
Claim 2
Dependent Claim
150 words
A SUPERCRITICAL VAPOR GENERATOR INCLUDING A TUBULAR THROUGH-FLOW CIRCUIT THROUGH WHICH THE WORKING MEDIUM IS FORCED AT SUPERCRITICAL PRESSURE, AN ELONGATED FURNACE HAVING FIRING MEANS NEAR ONE END AND A COMBUSTION GAS OUTLET REMOTE THEREFROM, PASSAGEWAY MEANS EXTENDING FROM THE OUTLET AND ALONGSIDE THE FURNACE, A FURNACE PARTITION WALL COMPRISED OF LONGITUDINALLY EXTENDING TUBULAR MEMBERS AND FORMING PART OF SAID CIRCUIT, TUBULAR MEMBERS LINING AT LEAST A PORTION OF THE WALLS OF THE PASSAGEWAY AND FORMING PART OF SAID CIRCUIT DOWNSTREAM WITH RELATION TO FLOW THROUGH THE THROUGH-FLOW CIRCUIT OF SAID PARTITION WALL, AND ADDITIONAL TUBULAR MEMBERS LINING WALLS OF THE FURNACE AND ALSO FORMING PART OF THE CIRCUIT BUT DOWNSTREAM WITH RELATION TO FLOW THROUGH THE THROUGH-FLOW CIRCUIT OF THE PASSAGEWAY WALL TUBES, A CIRCULATING SYSTEM SUPERIMPOSED ON THE THROUGH-FLOW SYSTEM AND CONNECTED TO PROVIDE A SUPPLEMENTAL FLOW THROUGH SAID FURNACE WALL TUBULAR MEMBERS OVER AND ABOVE THE THROUGH-FLOW.
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 |