| Patents for F23C 9 - Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber (2,489) |
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| 04/02/1998 | DE19738055A1 Method and device for directing recirculated exhaust gas back into combustion air stream |
| 03/25/1998 | EP0830501A1 Torch assembly |
| 03/24/1998 | US5730591 Method and apparatus for aggregate treatment |
| 03/24/1998 | US5730070 Apparatus for introducing gas recirculation to control steam temperature in steam generation systems |
| 03/18/1998 | EP0828971A1 LOW NOx BURNER |
| 03/17/1998 | US5727938 Premix burner |
| 03/04/1998 | EP0826926A2 Recuperative radiant tube with hot side vitiation |
| 02/26/1998 | DE19635545C1 Ignition system for burner with fluid or gas fuel |
| 02/24/1998 | US5720609 Catalytic method |
| 02/24/1998 | US5720606 Catalytic method |
| 02/24/1998 | US5720605 Method of gas phase combusting lean fuel-air mixtures |
| 02/24/1998 | US5720163 Method of continuous ignition of a first fuel/air mixture |
| 02/18/1998 | EP0746674A4 Improved catalyst structure employing integral heat exchange |
| 02/18/1998 | EP0745180A4 Improved process and catalyst structure employing integral heat exchange with optional downstream flameholder |
| 01/29/1998 | WO1998003820A1 Cremation method |
| 01/29/1998 | DE19737311A1 Feeder for combustion flue gases into mixer of burner |
| 01/22/1998 | DE19721139A1 Fuel burner off-gas re-circulation prevention method |
| 01/22/1998 | DE19628741A1 Verfahren zur Feuerbestattung Method for cremation |
| 01/21/1998 | EP0819885A2 Combustion apparatus |
| 01/21/1998 | CN1170844A Premixed burner and method for controlling said burner |
| 01/20/1998 | US5709541 Method and apparatus for reducing NOx emissions in a gas burner |
| 01/08/1998 | DE19627051A1 Method of operating hot air burner |
| 01/07/1998 | EP0816759A2 Premix burner and method of operating the burner |
| 01/07/1998 | EP0816755A2 Method and premix burner arrangment for the combustion of gaseous,liquid and/or pulverized fuels |
| 01/07/1998 | EP0683882B1 Fuel vaporizing and combustion air supplying device |
| 01/07/1998 | CN2272105Y Smokeless energy-saving circulating coal-fired furnace |
| 12/10/1997 | CN1167229A Burner and combustion method in furnace |
| 12/04/1997 | WO1997045675A1 Process for recirculating ashes generated by steam producing boilers |
| 12/03/1997 | EP0603262B1 Method and device in the cooling of the circulating material in a fluidized-bed boiler |
| 12/02/1997 | US5692890 Efficient burning the liquid fuel by oxidizing with pure oxygen, igniting to flame concurrenly injecting a moderator gas to low combustion temperature |
| 11/26/1997 | EP0809070A1 Burner with exhaust gas recirculation |
| 11/25/1997 | US5690039 Method and apparatus for reducing nitrogen oxides using spatially selective cooling |
| 11/18/1997 | US5688115 System and method for reduced NOx combustion |
| 11/13/1997 | WO1997042450A1 Combustion apparatus for generation of energy, and method of operation of said combustion apparatus |
| 11/11/1997 | US5685243 Apparatus for the injection distribution and dispersion of sorbent in a utility boiler furnace |
| 11/11/1997 | US5685242 Pulverized coal combustion burner |
| 11/05/1997 | EP0804647A1 Method and apparatus for aggregate treatment |
| 11/04/1997 | CA2076705C Low nox formation burner apparatus and methods |
| 11/04/1997 | CA2076689C Low nox gas burner apparatus and methods |
| 10/30/1997 | DE19711681A1 Catalytic burner for engines |
| 10/29/1997 | CN1163374A Low nitrogen oxide burner and control method for exhausting gas recycle |
| 10/28/1997 | US5681159 Process and apparatus for low NOx staged-air combustion |
| 10/28/1997 | US5680765 Lean direct wall fuel injection method and devices |
| 10/15/1997 | EP0801265A2 Combustion apparatus |
| 10/01/1997 | EP0558610B1 FLUE GAS RECIRCULATION FOR NOx REDUCTION IN PREMIX BURNERS |
| 09/16/1997 | US5667376 Ultra low NOX burner |
| 09/16/1997 | US5666944 Water heating apparatus with passive flue gas recirculation |
| 08/27/1997 | EP0791785A2 Hot fluid generating apparatus |
| 08/27/1997 | EP0791783A2 Method and device for operating an oil gasification burner |
| 08/26/1997 | US5660148 Method and device in the cooling of the circulating material in a fluidized-bed boiler |
| 08/26/1997 | US5660043 For ignition of fuel in admixture with air in a gas turbine combustor |
| 08/20/1997 | EP0790461A2 Combustion burner and combustion method thereof in furnace |
| 08/13/1997 | EP0789186A2 Radiant tube with jacket |
| 07/30/1997 | EP0585441B1 Nitrogen oxide-poor burner |
| 07/24/1997 | DE19602114A1 Regenerative rotary air pre-heater for steam power station |
| 07/10/1997 | WO1997024554A1 Gas flow circulation type tubular heating equipment |
| 07/10/1997 | DE19600380A1 Burner for liquid or gas fuel |
| 07/10/1997 | CA2241740A1 Gas flow circulation type tubular heating equipment |
| 07/09/1997 | EP0782681A1 Ultra low nox burner |
| 07/09/1997 | EP0689654A4 Fluidized bed reactor with particle return |
| 07/08/1997 | US5645412 Burner for low Nox multistage combustion of fuel with preheated combustion air |
| 07/03/1997 | WO1997023749A1 Apparatus for controlling steam temperature |
| 06/25/1997 | CN1152953A Low Nox burner |
| 06/24/1997 | CA2077491C Staged combustion of fuel or sludge to reduce nitrous oxide emission |
| 06/17/1997 | US5638773 Method and apparatus for low NOX combustion of gaseous fuels |
| 06/11/1997 | CN2256064Y Vertical reciprocating square water boiler working at normal pressure |
| 06/10/1997 | US5636977 Burner apparatus for reducing nitrogen oxides |
| 06/10/1997 | US5636511 For ignition of fuel in admixture with air within a gas combustor |
| 06/10/1997 | CA2126474C Controlled flame fuel jet combustion |
| 06/04/1997 | EP0777084A2 Mixing device for burner |
| 06/04/1997 | EP0777083A2 Mixing device for burner |
| 06/04/1997 | EP0777082A2 Premix burner |
| 06/04/1997 | EP0640003A4 LOW NOx BURNER. |
| 06/03/1997 | US5634785 Gas burner with very small nitrogen oxide emission |
| 06/03/1997 | US5634784 Catalytic method |
| 06/03/1997 | CA2190064A1 Premix burner |
| 05/28/1997 | EP0775868A1 Gas burner for a furnacefor reheating steel industry products |
| 05/22/1997 | DE19617749C1 Combustor for fine solid carbonaceous fuel and, optionally, waste |
| 05/13/1997 | US5628629 Industrial furnace and a burner for conducting regenerative combustion and a combustion method therefor |
| 05/07/1997 | EP0772001A1 LOW NOx BURNER |
| 05/07/1997 | DE19606733C1 Oil evaporation burner operating process |
| 05/07/1997 | DE19541178A1 Method of burning fuel dust, especially brown coal |
| 05/02/1997 | EP0705363B1 Method of firing black liquor in recovery boilers and a recovery boiler for firing black liquor |
| 05/01/1997 | WO1997015784A1 Method and apparatus for controlling the temperature of the bed of a bubbling bed boiler |
| 04/29/1997 | US5624253 Radiation burner |
| 04/23/1997 | CN1148148A Low NOx integrated boiler-burner apparatus |
| 04/09/1997 | CN1147288A Improved process and catalyst structure employing integral heat exchange with optional downstream flameholder |
| 04/09/1997 | CN1147287A Improved catalyst structure employing integral heat exchange |
| 04/03/1997 | DE19536706A1 Jacketed radiant heating tube e.g. for industrial furnace |
| 04/01/1997 | US5616021 Fuel burning heater |
| 03/11/1997 | US5609030 Combustion chamber with temperature graduated combustion flow |
| 02/27/1997 | DE19531387A1 Process for burning especially liquid fuels, with fume recirculation |
| 02/25/1997 | CA2076591C Method and apparatus for low nox combustion of gaseous fuels |
| 02/18/1997 | US5603906 Low NOx burner |
| 02/11/1997 | US5601426 Catalytic method |
| 01/29/1997 | EP0756135A1 A low nitrogen oxide producing burner system and burning method |
| 01/29/1997 | EP0756133A2 Oil evaporation burner |
| 01/14/1997 | US5593299 Catalytically stabilized gas phase combustion system |
| 01/14/1997 | US5592903 For fossil fuel combustion apparatus |
| 01/02/1997 | EP0751343A1 Method and apparatus for reducing NOx emissions in a gas burner |