US3129698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Forced flow steam generator
Assignee: Sulzer AG
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Filing: 1961-03-15
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Granted: 1964-04-21
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Expires: 1981-03-15
Abstract
No abstract record available.
Inventors
- 👤 Davis Reginald Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 00:58
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/62; F22B37/64; F22B37/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
224 words
IN A FORCED-FLOW STEAM GENERATOR COMPRISING A COMBUSTION CHAMBER OF ANGULAR HORIZONTAL CROSS SECTION AND HAVING A PLURALITY OF SIDE WALLS AND CORNERS THEREBETWEEN, A SUPPORTING FRAMEWORK, SUBSTANTIALLY VERTICAL TUBES PLACED IN EACH CORNER OF SAID COMBUSTION CHAMBER AND HUNG ON SAID FRAMEWORK, A PLURALITY OF SAID VERTICAL TUBES BEING PLACED IN THE PLANE OF ONE OF THE SIDE WALLS EXTENDING FROM THE CORNER AND A PLURALITY OF SAID VERTICAL TUBES BEING PLACED IN THE PLANE OF THE SECOND SIDE WALL EXTENDING FROM SAID CORNER: TUBES BENT IN SERPENTINE FASHION PLACED IN PLANES AND FORMING TUBE PANELS FORMING THE PARTS OF SAID SIDE WALLS BETWEEN SAID VERTICAL TUBES, AT LEAST ONE HORIZONTAL SUPPORT FRAME FOR EACH SIDE WALL, EACH OF SAID SUPPORT FRAMES COMPRISING A HORIZONTAL STRUCTURAL STEEL ELEMENT AT THE UPPER END OF THE FRAME, A HORIZONTAL STRUCTURAL STEEL ELEMENT AT THE LOWER END OF THE FRAME, AND A STEEL PLATE PLACED BETWEEN SAID STRUCTURAL STEEL ELEMENTS. SUPPORT BRACKETS CONNECTED TO SAID VERTICAL TUBES OUTSIDE OF THE COMBUSTION CHAMBER FOR SUPPORTING ONE OF SAID STRUCTURAL STEEL ELEMENTS, SLIDING CONNECTIONS VERTICALLY SLIDABLY CONNECTING THE SECOND OF SAID STRUCTURAL STEEL ELEMENTS TO SAID VERTICAL TUBES, VERTICALLY SLIDABLE CONNECTIONS BETWEEN SAID TUBE PANELS AND ONE OF SAID STRUCTURAL STEEL ELEMENTS AND HORIZONTALLY SLIDABLE CONNECTIONS BETWEEN SAID TUBE PANELS AND THE SECOND OF SAID STRUCTURAL STEEL ELEMENTS.
Claim 2
Dependent Claim
224 words
IN A FORCED-FLOW STEAM GENERATOR COMPRISING A COMBUSTION CHAMBER OF ANGULAR HORIZONTAL CROSS SECTION AND HAVING A PLURALITY OF SIDE WALLS AND CORNERS THEREBETWEEN, A SUPPORTING FRAMEWORK, SUBSTANTIALLY VERTICAL TUBES PLACED IN EACH CORNER OF SAID COMBUSTION CHAMBER AND HUNG ON SAID FRAMEWORK, A PLURALITY OF SAID VERTICAL TUBES BEING PLACED IN THE PLANE OF ONE OF THE SIDE WALLS EXTENDING FROM THE CORNER AND A PLURALITY OF SAID VERTICAL TUBES BEING PLACED IN THE PLANE OF THE SECOND SIDE WALL EXTENDING FROM SAID CORNER: TUBES BENT IN SERPENTINE FASHION PLACED IN PLANES AND FORMING TUBE PANELS FORMING THE PARTS OF SAID SIDE WALLS BETWEEN SAID VERTICAL TUBES, AT LEAST ONE HORIZONTAL SUPPORT FRAME FOR EACH SIDE WALL, EACH OF SAID SUPPORT FRAMES COMPRISING A HORIZONTAL STRUCTURAL STEEL ELEMENT AT THE UPPER END OF THE FRAME, A HORIZONTAL STRUCTURAL STEEL ELEMENT AT THE LOWER END OF THE FRAME, AND A STEEL PLATE PLACED BETWEEN SAID STRUCTURAL STEEL ELEMENTS. SUPPORT BRACKETS CONNECTED TO SAID VERTICAL TUBES OUTSIDE OF THE COMBUSTION CHAMBER FOR SUPPORTING ONE OF SAID STRUCTURAL STEEL ELEMENTS, SLIDING CONNECTIONS VERTICALLY SLIDABLY CONNECTING THE SECOND OF SAID STRUCTURAL STEEL ELEMENTS TO SAID VERTICAL TUBES, VERTICALLY SLIDABLE CONNECTIONS BETWEEN SAID TUBE PANELS AND ONE OF SAID STRUCTURAL STEEL ELEMENTS AND HORIZONTALLY SLIDABLE CONNECTIONS BETWEEN SAID TUBE PANELS AND THE SECOND OF SAID STRUCTURAL STEEL ELEMENTS.
References Cited (Backward Citations)
US2700375A
Cited
DE937351C
Cited
US2989036A
Cited
US2896591A
Cited
US2999483A
Cited
US3030937A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |