| Patents for F23N 5 - Systems for controlling combustion (9,434) |
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| 05/03/1990 | WO1990004482A1 Method and device for optoelectronic control of oxygen cutting |
| 05/03/1990 | DE3935942A1 Automatic firing device for gas-fuelled heating equipment - has control of pilot burner valve into automatic control of main burner without additional DC requirements |
| 05/02/1990 | EP0124549B1 Burner supplied with fluid fuel |
| 05/01/1990 | US4921161 Fuel control device, fuel control system using the device and method of making the device |
| 05/01/1990 | US4921011 Fuel control valve construction, parts therefor and methods of making the same |
| 05/01/1990 | US4921008 Automatic fluid flow shutoff device |
| 05/01/1990 | CA1268527A1 Combustion control system |
| 04/25/1990 | EP0364480A1 Automatic combustion control for a rotary combustor. |
| 04/25/1990 | CN1007752B Combustion apparatus and process for baking block carbon in chamber |
| 04/19/1990 | DE3835360A1 Tunnel furnace |
| 04/19/1990 | DE3834795A1 Industrieofen Industrial furnace |
| 04/17/1990 | CA1267953A2 Electronic thermostat for heating and cooling system |
| 04/17/1990 | CA1267952A2 Electronic thermostat for heating and cooling system |
| 04/17/1990 | CA1267789A1 Method of measuring dry substance in flue gases |
| 04/11/1990 | EP0362551A2 Process and system to sustain a constant temperature in a fluidised-bed combustion plant |
| 04/10/1990 | US4915615 Device for controlling fuel combustion in a burner |
| 04/10/1990 | US4915614 Primary gas furnace control |
| 04/10/1990 | US4915613 Method and apparatus for monitoring pressure sensors |
| 04/03/1990 | US4913647 Air fuel ratio control |
| 04/03/1990 | US4913128 Burner apparatus |
| 03/29/1990 | DE3931095A1 Safety control for gas fired heater - using temperature sensors in two sites and programmed control circuit |
| 03/21/1990 | EP0358760A1 Combustion control method for fluidized bed incinerator |
| 03/13/1990 | US4907737 Electronic control system for a gas-fired/hot air furnace with induced draft blower |
| 03/13/1990 | CA1266653A1 Apparatus and method for the flow control of flue gas to combustion air in a regenerative heating system |
| 03/08/1990 | WO1990002294A1 Fuel control unit for a gas furnace and method of making the same |
| 03/07/1990 | EP0356690A1 Fuel-fired heat producer |
| 03/06/1990 | US4907281 Method of image analysis in pulverized fuel combustion |
| 03/06/1990 | US4906178 Self-powered gas appliance |
| 03/06/1990 | US4906177 Electronic controller for fluid fuel burner |
| 03/06/1990 | US4906175 Igniter for gas discharge pipe with a flame detection system |
| 03/01/1990 | DE3923773A1 Microcomputer control for gas-fired central heating boiler |
| 02/28/1990 | EP0355953A1 Premix type multiport burner |
| 02/27/1990 | US4904986 IR flame amplifier |
| 02/22/1990 | WO1990001656A1 Catalytic combustion apparatus |
| 02/20/1990 | US4901917 Anticipating dual set-point bistable thermostat |
| 02/20/1990 | US4901678 Heating boiler and method for operating same |
| 02/08/1990 | DE3925734A1 Monitoring circuit for timing element - provides start monitoring by switching pulse oscillator frequency to higher value |
| 02/07/1990 | EP0353840A1 Flame arresting conduit section, combustor and method |
| 02/07/1990 | CN1039479A Method for operating heater and heater thereof |
| 02/06/1990 | US4898531 Photosensitive control of electrically powered emissive ignition devices |
| 02/01/1990 | DE3923805A1 Prevention of moisture condensation in boiler chimney - involves and moisture sensors which control fuel supply |
| 02/01/1990 | DE3825608A1 Method for measuring and controlling the secondary air in a furnace for gas-rich solid fuels |
| 01/31/1990 | EP0352620A2 Process and apparatus for regulating the firing power of combustion plants |
| 01/31/1990 | EP0352619A2 Process for regulating the firing power in combustion plants |
| 01/30/1990 | US4896828 For a microprocessor controlled furnace |
| 01/25/1990 | DE3824470A1 Monitoring arrangement for an atmospheric oil burner |
| 01/24/1990 | EP0352217A2 Process for controlling and supervising a fuel-heated apparatus with the use of at least one microcomputer system, and apparatus to carry out this process |
| 01/23/1990 | US4895082 Technique for controlling the combustion of fuel having fluctuating thermal values |
| 01/18/1990 | DE3922403A1 Gas burner fed with a combustible-gas/air mixture |
| 01/18/1990 | DE3823494A1 Method and device for combustion diagnosis, and combustion control system using the results thereof |
| 01/17/1990 | CN2051333U Combustion controller |
| 01/10/1990 | EP0349737A2 Method for driving a heating device, and the heating device |
| 01/09/1990 | US4893113 Gas alarm and detoxification heating systems |
| 01/09/1990 | US4892476 Apparatus for controlling combustion in heater |
| 01/03/1990 | EP0349384A1 Method and apparatus for actively controlling combustion instability |
| 01/03/1990 | CN2050555U Safety device for putting-out fire |
| 01/03/1990 | CN2050554U Protective device for putting -out fire |
| 01/02/1990 | US4891004 Control of energy use in a furnace |
| 01/02/1990 | US4890453 Method and apparatus for burning gaseous fuel, wherein fuel composition varies |
| 12/28/1989 | WO1989012774A1 Solid-state optical flame detector |
| 12/27/1989 | EP0348304A2 Safety and regulating gas valve |
| 12/27/1989 | CN2050136U Extinguishing protection device for gas burner |
| 12/20/1989 | EP0347179A2 Anti-bounce logic for critical loads |
| 12/20/1989 | EP0346829A1 Motor car heating device with several output stages |
| 12/19/1989 | US4887958 Method and system for controlling the supply of fuel and air to a furnace |
| 12/05/1989 | US4885573 Diagnostic system for combustion controller |
| 12/05/1989 | CA1263726A1 Heater controller |
| 11/30/1989 | DE3818265A1 Controller for a heating system |
| 11/23/1989 | EP0343128A2 Heating system including an assembly for automatically adjusting the temperature of the heating water |
| 11/23/1989 | DE3915992A1 Process for the reduction of nitrogen oxides |
| 11/21/1989 | US4882573 Apparatus and method for detecting the presence of a burner flame |
| 11/21/1989 | US4881948 Gas shutoff apparatus |
| 11/21/1989 | US4881686 Temperature recovery display device for an electronic programmable thermostat |
| 11/21/1989 | US4881472 Ignition system and control means for pelletized-fuel furnace |
| 11/16/1989 | WO1989011064A1 Fuel control device, fuel control system using the device and method of making the device |
| 11/15/1989 | EP0341323A1 Apparatus for regulating a gas burner |
| 11/14/1989 | US4880376 Method and apparatus for monitoring and calibrating damper position |
| 11/07/1989 | US4878839 Non-polluting hot gas generating system |
| 11/07/1989 | US4878831 Infrared flame detector adaptable for different fuels |
| 10/25/1989 | CN2046602U Full auto-controller of domestic gas stove |
| 10/18/1989 | EP0337408A2 Vaporizing burner and method of operating a vaporizing burner |
| 10/12/1989 | DE3910701A1 Water heater |
| 10/11/1989 | EP0336807A1 Gas burner with visual observation device |
| 10/11/1989 | CN2045829U Heating automatic control system for gas boiling water stove |
| 10/10/1989 | US4872950 Thermal decomposition with insufficient oxygen; sulfur-containing gases are absorbed in alkaline solutions; heat exchanging |
| 10/10/1989 | US4872831 Kerosene heater providing automatic wick repositioning after ignition |
| 10/10/1989 | US4872830 Burner control device, system and method of making the same |
| 10/10/1989 | US4872828 Integrated furnace control and control self test |
| 10/05/1989 | WO1989009109A1 Gas blow-torch equipped with a visual observation device |
| 10/03/1989 | US4871307 Flame ignition and monitoring system and method |
| 10/03/1989 | US4870912 Automatic combustion control method for a rotary combustor |
| 10/03/1989 | US4870910 Waste incineration method and apparatus |
| 09/27/1989 | EP0334779A1 Method and apparatus to detect the nature of combustion gas with a view to optimize combustion and applications thereof |
| 09/27/1989 | EP0334027A1 Dynamic auto-controlling circuit for flame detection |
| 09/27/1989 | CN2045062U Fire-proof wind extinguisher |
| 09/26/1989 | CA1260110A1 Electronic thermostat for heating and cooling system |
| 09/20/1989 | EP0333540A1 Gas valve with a thermocouple safety system, and apparatus using such a valve |
| 09/20/1989 | EP0333161A2 Gas shutoff apparatus |
| 09/20/1989 | CN2044685U Controller for burner |
| 09/19/1989 | CA1259684A1 Flame monitoring system |