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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
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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)

US952248A Cited
US2642338A Cited
US2776872A Cited
US2643937A Cited
GB718011A Cited
US2619412A Cited
GB728392A Cited

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

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