US3091446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the heating of industrial furnaces
Assignee: Union Carbide Corp
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Filing: 1962-02-19
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Granted: 1963-05-28
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Expires: 1982-02-19
Abstract
No abstract record available.
Inventors
- 👤 George H Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:43
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
THE METHOD OF HEATING AN INDUSTRICAL FURNACE WITH A MAIN FLUID HYDROCARBON FUEL STOCK AND FURNACE AIR COMPRISING FORMING A SUBSTANTIALLY STOICHIOMETRIC MIXTURE OF FLUID FUEL AND OXIDANT; BURNING SAID MIXTURE IN A COMBUSTION ZONE; DURING THE OPERATION, CONTINUOUSLY DISCHARGING THE HOT PRODUCTS OF SAID COMBUSTION AS A STREAM AT A VELOCITY GREATER THAN 0.5 MACH NUMBER INTO A TREATING ZONE INTO WHICH A STREAM OF FLUID HYDROCARBON FUEL STOCK IS INJECTED CONTINUOUSLY DURING OPERATIONS; PREHEATING AND ATOMIZING SAID STREAM OF FLUID HYDROCARBON FUEL STOCK IN SAID TREATING ZONE; DURING THE OPERATION, CONTINUOUSLY DISCHARGING THE RESULTING PREHEATED AND ATOMIZED STREAM INTO SAID INDUSTRIAL FURNACE; AND THERE BURNING SAID RESULTANT STREAMS WITH AIR PROVIDED EXTERNALLY OF THE COMBUSTION AND TREATING ZONES.
Claim 2
Independent Claim
120 words
THE METHOD OF HEATING AN INDUSTRICAL FURNACE WITH A MAIN FLUID HYDROCARBON FUEL STOCK AND FURNACE AIR COMPRISING FORMING A SUBSTANTIALLY STOICHIOMETRIC MIXTURE OF FLUID FUEL AND OXIDANT; BURNING SAID MIXTURE IN A COMBUSTION ZONE; DURING THE OPERATION, CONTINUOUSLY DISCHARGING THE HOT PRODUCTS OF SAID COMBUSTION AS A STREAM AT A VELOCITY GREATER THAN 0.5 MACH NUMBER INTO A TREATING ZONE INTO WHICH A STREAM OF FLUID HYDROCARBON FUEL STOCK IS INJECTED CONTINUOUSLY DURING OPERATIONS; PREHEATING AND ATOMIZING SAID STREAM OF FLUID HYDROCARBON FUEL STOCK IN SAID TREATING ZONE; DURING THE OPERATION, CONTINUOUSLY DISCHARGING THE RESULTING PREHEATED AND ATOMIZED STREAM INTO SAID INDUSTRIAL FURNACE; AND THERE BURNING SAID RESULTANT STREAMS WITH AIR PROVIDED EXTERNALLY OF THE COMBUSTION AND TREATING ZONES.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |