| 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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| 09/19/1990 | EP0387859A2 Heating boiler |
| 09/12/1990 | EP0386732A2 Combustion apparatus for dual fuel burner |
| 09/07/1990 | WO1990010178A1 Process and device for purifying gases in a combustion plant with flame-guide cylinder and baffle |
| 09/05/1990 | EP0385690A2 Low nox combustion process |
| 09/04/1990 | US4954076 Flame stabilized oxy-fuel recirculating burner |
| 08/29/1990 | EP0384295A2 Method and apparatus for reducing the pollutants of a combustion process using oxidation honey comb catalysts and catalysts with desulfuration properties and with exhaust gas recycling |
| 08/29/1990 | EP0384277A2 Method and combustion installation for the reduction of nitrogen oxide formation during the combustion of fossil fuels |
| 08/28/1990 | US4951579 Low NOX combustion process |
| 08/14/1990 | CA1272678A1 Free flame burner with turbulent atomisation by means of gaseous combustion products |
| 08/07/1990 | US4945841 Apparatus or method for carrying out combustion in a furnace |
| 06/27/1990 | EP0374423A2 Atmospheric burner |
| 06/26/1990 | US4936088 To produce heat and electricity |
| 06/20/1990 | CN1008471B Fluidized bed steam generator and method of generating steam including a separate recycle bed |
| 06/19/1990 | US4934282 Circulating type fluidized bed combustion apparatus |
| 06/14/1990 | WO1990006474A1 Process and device for the treatment of carbon-containing dusts in flue gases |
| 06/13/1990 | CN2058229U Inner-pipe type inertia separator for circulating boiler |
| 06/12/1990 | CA1270156A1 Fluidized bed steam generator and method of generating steam including a separate recycle bed |
| 06/05/1990 | US4930305 Low NOX cogeneration process |
| 05/31/1990 | DE3839922A1 Verfahren und vorrichtung zur behandlung von kohlenstoffhaltigem flugstaub in rauchgasen Method and apparatus for treatment of carbonaceous dust flying in flue gases |
| 05/30/1990 | CN1042595A Fluidized bed reactor having integrated recycle heat exchanger |
| 05/22/1990 | US4926765 Furnace blower with external gas recycling for the reduction of NOx |
| 04/19/1990 | DE3835158A1 Device for utilising the exhaust gases of combustion-heated devices |
| 04/10/1990 | CA1267601A1 Fluid fuel fired burner |
| 04/05/1990 | WO1990003538A1 Dynamic containement vessel |
| 04/03/1990 | US4913646 Combustion device |
| 04/03/1990 | US4913097 Steam generator that burns brown coal with cinders that vary in composition |
| 03/29/1990 | DE3832494A1 Method and apparatus for feeding a gas burner with a mixture |
| 03/15/1990 | DE3904635A1 Heizkessel Boiler |
| 03/15/1990 | DE3831017A1 Method for the environmentally friendly elimination of harmful substances from waste gases in combustion processes in the ceramic industry |
| 03/14/1990 | CN1040426A Heating devices for industrial ovens with the feature of waste gas mixing combustion |
| 03/08/1990 | DE3928214A1 Brenner mit brenngas-rueckfuehrung fuer fliessfaehige brennstoffe Burner with combustion gas for repatriation fliessfaehige fuels |
| 03/08/1990 | DE3830038A1 Burner and method for its operation |
| 02/27/1990 | US4903615 Atmospheric gas heating unit with external recycling of exhaust gas to reduce nOx |
| 02/07/1990 | EP0354165A2 Boiler |
| 01/31/1990 | EP0352470A2 Method and combustion installation for burning fossil fuels with reduced formation of nitrogen oxides |
| 01/03/1990 | EP0348646A2 Burner |
| 12/28/1989 | DE3920078A1 Burner head for a blower gas burner |
| 12/28/1989 | DE3821526A1 Method and arrangement for combusting fuel |
| 12/27/1989 | EP0347834A2 Burner head for a forced-draft gas burner |
| 12/27/1989 | EP0347797A1 Process for reducing NOx in exhaust gases from furnaces, and furnace with means for reducing the NOx content in exhaust gases |
| 12/27/1989 | EP0347619A2 Boiler for burning liquid or gaseous fuel |
| 12/06/1989 | EP0344784A2 Low NOx high efficiency combustion process |
| 11/29/1989 | EP0343746A2 A furnace combustion method |
| 11/23/1989 | DE3915992A1 Process for the reduction of nitrogen oxides |
| 11/16/1989 | DE3814897A1 Heat radiator with catalytic exhaust-gas purification, exhaust-gas return and heat recovery |
| 11/07/1989 | US4878442 Nox control for high nitric oxide concentration flows through combustion-driven reduction |
| 11/02/1989 | EP0339908A1 Composition for use in reducing air contaminants from combustion effluents |
| 11/02/1989 | EP0339185A1 Steam generator for burning brown coal with different compositions |
| 11/02/1989 | DE3909339A1 Industrial gas burner |
| 09/20/1989 | EP0333239A2 Regenerative burners with a device for suppressing NOx formation |
| 09/14/1989 | DE3807214A1 Burner |
| 09/05/1989 | US4863371 Low NOx high efficiency combustion process |
| 09/05/1989 | US4862835 Combustion system for burning heavy heating oil with low nox |
| 08/31/1989 | DE3805943A1 Verfahren und vorrichtung zum schmelzen fester ballaststoffe A method and apparatus for melting solid ballaststoffe |
| 08/31/1989 | DE3805189A1 Method for reducing the solids content of a coal dust flue gas stream in coal dust furnaces, in which the coal dust flue gas stream is fed to a plurality of feed ducts having an end horizontal bend, which feed ducts open out into the combustion chamber |
| 07/19/1989 | CN2041389U Circulating burning out apparatus for fly ash of industrial boiler |
| 07/11/1989 | US4845940 Low NOx rich-lean combustor especially useful in gas turbines |
| 07/04/1989 | US4843980 Composition for use in reducing air contaminants from combustion effluents |
| 06/27/1989 | US4842197 Fuel injection apparatus and associated method |
| 05/24/1989 | EP0317110A2 Low NOx cogeneration process |
| 05/10/1989 | EP0314910A2 Burner system for NOx-poor combustion of heavy oil |
| 05/10/1989 | CN2037423U Industrial furnace heating with waste gas mixed burning |
| 05/09/1989 | US4828483 Method and apparatus for suppressing NOx formation in regenerative burners |
| 04/27/1989 | DE3803092C1 Mixing nozzle of a gas burner for a gas heating appliance |
| 04/27/1989 | DE3731846C1 Burner for fluid, fossil, carbonaceous fuel |
| 04/26/1989 | EP0312562A1 Process and device for combustion of fuel |
| 04/13/1989 | DE3732651A1 Method for burning wastes in a fluidised-bed reactor |
| 04/11/1989 | CA1252340A1 Particle fuel diversion structure with dome-shaped cavity |
| 03/30/1989 | DE3832016A1 Method and device for burning liquid or gaseous fuels |
| 03/28/1989 | US4815966 Burner for burning liquid or gaseous fuels |
| 03/23/1989 | WO1989002564A1 Controllable fluidized-bed combustion under pressure |
| 03/15/1989 | EP0306658A1 Furnace |
| 03/14/1989 | US4811555 Mixing fuel with exhaust gases, oxidation |
| 02/14/1989 | US4803932 Burner for a suspension of fine-grained coal in liquid |
| 02/07/1989 | CA1249768A1 Heating apparatus |
| 02/02/1989 | DE3738623C1 Heating furnace with flue gas recirculation |
| 02/02/1989 | DE3738622C1 Heating furnace with equipment for recirculating flue gas |
| 01/31/1989 | US4800866 Low NOX radiant tube burner and method |
| 11/24/1988 | DE3715373A1 Radiant tube |
| 11/17/1988 | EP0290665A1 Low nox radiant tube burner and method |
| 11/10/1988 | DE3814619A1 Process and apparatus for the combustion of fuel |
| 11/09/1988 | EP0289487A1 Slagging combustion system. |
| 11/03/1988 | WO1988008503A1 Process and device for combustion of fuel |
| 10/26/1988 | EP0288031A2 Process and combustion unit for reducing the nitrogen content in oil and gas fired combustion units |
| 10/20/1988 | DE3710809A1 Gas jet backflow nozzle |
| 10/19/1988 | EP0286845A1 Method for the combustion of saline brown coal |
| 09/28/1988 | EP0284011A2 Atmospheric gas burner |
| 09/22/1988 | DE3707452A1 Method for eliminating the filter ash that cannot be used after fluidised-bed combustion |
| 08/31/1988 | EP0279913A2 Burner for the combustion of liquid or gaseous fuels |
| 08/18/1988 | DE3703568A1 Method for operating fluidised-bed furnaces |
| 07/29/1988 | EP0193601A4 Method and apparatus for conducting a substantially isothermal combustion process in a combustor. |
| 07/28/1988 | DE3701364A1 Fire-tube boiler |
| 06/30/1988 | DE3742143A1 Method for decontaminating waste gas of a boiler installation or boiler installation with external waste gas recycling |
| 06/30/1988 | DE3643863A1 Measures to reduce NOx by staged flue-gas recirculation in furnaces |
| 06/29/1988 | EP0272660A2 Atmospheric gas heating appliance with an external exhaust gas recycling |
| 06/22/1988 | CN87210595U Injector for recycling flue gases |
| 06/15/1988 | EP0271111A2 Boiler using exterior recycling of combustion gases |
| 05/26/1988 | DE3639974A1 Burner lance |
| 05/26/1988 | DE3639194A1 Heat exchanger with furnace |
| 05/26/1988 | DE3638766A1 Method of combustion of carbonaceous materials in a fluidised-bed reactor, and steam generator for implementing the method |