US3221714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor generating and superheating operation
Assignee: Elsag Bailey Inc
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Filing: 1963-08-23
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Granted: 1965-12-07
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Expires: 1983-08-23
Abstract
No abstract record available.
Inventors
- 👤 Paul S Dickey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:56
CPC Classifications
F; F22; F22G; F22G5/00; F22G5/12; F22G5/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
IN A VAPOR GENERATING AND SUPERHEATING UNIT OF THE TYPE HAVING A FLUID-COOLED COMBUSTION FURNACE WITH A HEATING GAS OUTLET IN ONE END PORTION THEREOF AND HAVING CONVECTION VAPOR SUPERHEATING SURFACCE POSITIONED BEYOND THE COMBUSTION FURNACE OUTLET IN THE PATH OF HEATING GAS FLOW, THE METHOD OF OPERATION WHICH COMPRISES INTRODUCING FUEL AND AIR FOR COMBUSTION INTO THE COMBUSTION FURNACE FROM A FIXED LOCATION SPACED FROM THE GAS OUTLET, VARYING THE TOTAL FUEL AND AIR INPUT RATE IN ACCORDANCE WITH DEMAND UPON THE UNIT FOR GENERATED VAPOR OF DESIRED TOTAL HEAT CONTENT, AND DIRECTIONALLY VARYING THE RESULTING COMBUSTION PROCESS IN THE FURNACE AWAY FROM THE GAS OUTLET RESPONSIVE TO AN INCREASE OF VOLUME FLOW RATE OR OF TEMPERATURE OF THE HEATING GASES ENTERING THE SUPERHEATING SURFACES, AND TOWARD THE GAS OUTLET RESPONSIVE TO
Claim 2
Dependent Claim
133 words
IN A VAPOR GENERATING AND SUPERHEATING UNIT OF THE TYPE HAVING A FLUID-COOLED COMBUSTION FURNACE WITH A HEATING GAS OUTLET IN ONE END PORTION THEREOF AND HAVING CONVECTION VAPOR SUPERHEATING SURFACCE POSITIONED BEYOND THE COMBUSTION FURNACE OUTLET IN THE PATH OF HEATING GAS FLOW, THE METHOD OF OPERATION WHICH COMPRISES INTRODUCING FUEL AND AIR FOR COMBUSTION INTO THE COMBUSTION FURNACE FROM A FIXED LOCATION SPACED FROM THE GAS OUTLET, VARYING THE TOTAL FUEL AND AIR INPUT RATE IN ACCORDANCE WITH DEMAND UPON THE UNIT FOR GENERATED VAPOR OF DESIRED TOTAL HEAT CONTENT, AND DIRECTIONALLY VARYING THE RESULTING COMBUSTION PROCESS IN THE FURNACE AWAY FROM THE GAS OUTLET RESPONSIVE TO AN INCREASE OF VOLUME FLOW RATE OR OF TEMPERATURE OF THE HEATING GASES ENTERING THE SUPERHEATING SURFACES, AND TOWARD THE GAS OUTLET RESPONSIVE TO
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |