US3149915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of maintaining continuous peak load operation at power generating centers based on fuel
Assignee: Individual
•
Filing: 1961-05-16
•
Granted: 1964-09-22
•
Expires: 1981-05-16
Abstract
No abstract record available.
Inventors
- 👤 Alfred M Thomsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:42
CPC Classifications
C; C01; C01B; C01B21/00; C01B21/20; C01B21/24; C01B21/30; Y; Y02; Y02P; Y02P20/00; Y02P20/10; Y02P20/129
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
THE METHOD OF MAKING NITRIC OXIDE FROM AIR AT SUBSTANTIALLY ATMOSPHERIC PRESSURE WHICH COMPRISES: PREHEATING A FLOW OF SAID AIR TO A TEMPERATURE OF APPROXIMATELY 2700*F. BY PASSGE THROUGH HEAT ACCUMULATORS PREVIOUSLY CHARGED WITH HEAT BY THE TRAVERSE IN THE REVERSE DIRECTION OF HOT NITRIC OXIDE CONTAINING GAS WITH AN ENTERING TEMPERTURE OF APPROXIMATELY 2800*F.; FURTHER HEATING SAID PRE-HEATED AIR BY THE COMBUSTION OF SUFFICIENT FUEL THEREIN TO REACH A TEMPERATURE BETWEEN A LOW OF 3000*F. AND A HIGH OF 4800*F.; COMMINGLING SAID CURRENT OF HIGHLY HEATED AIR AND GAS, NOW CONTAINING THE PERCENTAGE OF NITRIC OXIDE CORRESPONDING TO EQUILIBRIUM AT THE SELECTED TEMPERTURE, WITH SUFFICIENT RELATIVELY COLD AIR IN A STATE OF VIOLETN TURBULENCE TO REDUCE THE TEMPERATURE OF THE MIXTURE, SUBSTANTIALLY INSTANTANEOUSLY, TO APPROXIMATELY 2800*F.; PASSING SAIS MIXTURE THROUGH HEAT ACCUMULATORS TO ABSTRACT SUBSTANTIALLY ALL THE SENSIBLE HEAT THEREIN; SUBSEQUENTLY CONVEYING SAID STORED HEAT TO A CURRENT OF AIR, IN THE REVENSE DIRECTION, THUS PRE-HETING SAME TO APPROXIMATELY 2700*F.; RE-CYCLING TO THE COMBUSTION PHASE THAT PART OF SAID PRE-HEATED AIR REQUIRED THEREIN AND DISCHARGING THE REMAINDER AS SURPLUS.
Claim 2
Independent Claim
180 words
THE METHOD OF MAKING NITRIC OXIDE FROM AIR AT SUBSTANTIALLY ATMOSPHERIC PRESSURE WHICH COMPRISES: PREHEATING A FLOW OF SAID AIR TO A TEMPERATURE OF APPROXIMATELY 2700*F. BY PASSGE THROUGH HEAT ACCUMULATORS PREVIOUSLY CHARGED WITH HEAT BY THE TRAVERSE IN THE REVERSE DIRECTION OF HOT NITRIC OXIDE CONTAINING GAS WITH AN ENTERING TEMPERTURE OF APPROXIMATELY 2800*F.; FURTHER HEATING SAID PRE-HEATED AIR BY THE COMBUSTION OF SUFFICIENT FUEL THEREIN TO REACH A TEMPERATURE BETWEEN A LOW OF 3000*F. AND A HIGH OF 4800*F.; COMMINGLING SAID CURRENT OF HIGHLY HEATED AIR AND GAS, NOW CONTAINING THE PERCENTAGE OF NITRIC OXIDE CORRESPONDING TO EQUILIBRIUM AT THE SELECTED TEMPERTURE, WITH SUFFICIENT RELATIVELY COLD AIR IN A STATE OF VIOLETN TURBULENCE TO REDUCE THE TEMPERATURE OF THE MIXTURE, SUBSTANTIALLY INSTANTANEOUSLY, TO APPROXIMATELY 2800*F.; PASSING SAIS MIXTURE THROUGH HEAT ACCUMULATORS TO ABSTRACT SUBSTANTIALLY ALL THE SENSIBLE HEAT THEREIN; SUBSEQUENTLY CONVEYING SAID STORED HEAT TO A CURRENT OF AIR, IN THE REVENSE DIRECTION, THUS PRE-HETING SAME TO APPROXIMATELY 2700*F.; RE-CYCLING TO THE COMBUSTION PHASE THAT PART OF SAID PRE-HEATED AIR REQUIRED THEREIN AND DISCHARGING THE REMAINDER AS SURPLUS.
References Cited (Backward Citations)
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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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |