US3179150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furnace
Assignee: Individual
•
Filing: 1962-04-30
•
Granted: 1965-04-20
•
Expires: 1982-04-30
Abstract
No abstract record available.
Inventors
- 👤 Gerald D Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:17
CPC Classifications
F; F26; F26B; F26B11/00; F26B11/02; F26B11/028; F23; F23C; F23C3/00; F23C3/006; F26B23/00; F26B23/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A FURNACE COMPRISING THE COMBINATION WITH MEANS FORMING A GENERALLY CYLINDRICAL COMBUSTION CHAMBER HAVING END OF A GENERALLY TANGENTIAL FLUE INTERMEDIATE ITS ENDS, OF MEANS PROVIDING TANGENTIAL BURNERS CONSTITUTING MEANS FOR ADMITTING FUEL AND PRIMARY AIR ADJACENT THE RESPECTIVE ENDS OF THE CHAMBER, AND MEANS PROVIDING SECONDARY AIR INLETS OF GENERALLY TANGENTIAL DIPOSITION AND CONSTITUTING MEANS FOR ADMITTING SECONDARY AIR TANGENTIALLY IN THE SAME SENSE IN WHICH FUEL AND PRIMARY AIR ARE ADMITTED FROM SAID BURNER, WHEREBY THE FUEL AND AIR ADMITTED TO THE CHAMBER ARE DIRECTED ON A HELICAL PATH THEREIN, SAID SECONDARY AIR INLETS OPENING INTO THE CHAMBER IN THE PATH OF MATERIAL FROM SAID BURNERS, AND MEANS FOR PROVIDING AUXILIARY SECONDARY AIR INLETS AT OPPOSITE SIDES OF SAID FLUE AND DISPOSED INTERMEDIATE THE BURNERS AND THE FLUE, SAID AUXILIARY SECONDARY AIR INLETS BEING TANGENTIAL IN A SENSE OPPOSITE TO THAT OF THE SECONDARY AIR INLETS AND THE BURNERS.
Claim 2
Dependent Claim
151 words
A FURNACE COMPRISING THE COMBINATION WITH MEANS FORMING A GENERALLY CYLINDRICAL COMBUSTION CHAMBER HAVING END OF A GENERALLY TANGENTIAL FLUE INTERMEDIATE ITS ENDS, OF MEANS PROVIDING TANGENTIAL BURNERS CONSTITUTING MEANS FOR ADMITTING FUEL AND PRIMARY AIR ADJACENT THE RESPECTIVE ENDS OF THE CHAMBER, AND MEANS PROVIDING SECONDARY AIR INLETS OF GENERALLY TANGENTIAL DIPOSITION AND CONSTITUTING MEANS FOR ADMITTING SECONDARY AIR TANGENTIALLY IN THE SAME SENSE IN WHICH FUEL AND PRIMARY AIR ARE ADMITTED FROM SAID BURNER, WHEREBY THE FUEL AND AIR ADMITTED TO THE CHAMBER ARE DIRECTED ON A HELICAL PATH THEREIN, SAID SECONDARY AIR INLETS OPENING INTO THE CHAMBER IN THE PATH OF MATERIAL FROM SAID BURNERS, AND MEANS FOR PROVIDING AUXILIARY SECONDARY AIR INLETS AT OPPOSITE SIDES OF SAID FLUE AND DISPOSED INTERMEDIATE THE BURNERS AND THE FLUE, SAID AUXILIARY SECONDARY AIR INLETS BEING TANGENTIAL IN A SENSE OPPOSITE TO THAT OF THE SECONDARY AIR INLETS AND THE BURNERS.
References Cited (Backward Citations)
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Cited
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Cited
GB216656A
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AT134083B
Cited
GB387751A
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US2672108A
Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |