| Patents for F23N 5 - Systems for controlling combustion (9,434) |
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| 09/13/1989 | EP0332566A1 Control of energy use in a furnace |
| 09/13/1989 | EP0331922A2 Heater |
| 09/13/1989 | EP0331918A2 Actuating method for a heating apparatus, and heating apparatus |
| 09/12/1989 | US4866633 Gas shutoff apparatus |
| 09/12/1989 | US4866420 Method of detecting a fire of open uncontrolled flames |
| 09/12/1989 | US4866363 Fail-safe potentiometer feedback system |
| 09/12/1989 | US4865539 Fuel control unit for a gas furnace and method of making the same |
| 09/12/1989 | US4865538 Fail safe gas valve drive circuit |
| 09/05/1989 | US4864146 Universal fire simulator |
| 09/05/1989 | US4863372 Gas ignition apparatus |
| 08/30/1989 | EP0329984A2 Improved automatic combustion control method for a rotary combustor |
| 08/30/1989 | EP0329922A2 Apparatus and method for controlling a drying cycle of a clothes dryer |
| 08/29/1989 | US4861262 Method and apparatus for waste disposal |
| 08/24/1989 | DE3904022A1 Device for igniting and monitoring the combustion of a combustible gas and an electrode device for such a device |
| 08/23/1989 | EP0329588A1 Gas valve shut off method and apparatus |
| 08/23/1989 | EP0329587A1 Gas furnace control system |
| 08/22/1989 | US4860231 Calibration technique for variable speed motors |
| 08/22/1989 | US4859175 Apparatus and process for optimizing combustion in chamber-type furnaces for baking carbonaceous blocks |
| 08/22/1989 | US4859171 Method and apparatus of operating pre-mixed burners |
| 08/22/1989 | US4858885 Anti-bounce logic for critical loads |
| 08/22/1989 | US4858826 Colored flame water fountain illumination system |
| 08/22/1989 | US4858825 Control system for quick heater |
| 08/22/1989 | CA1258617A1 Combustion process with ionization control |
| 08/16/1989 | EP0327785A1 Control method for a heat source |
| 08/16/1989 | EP0327611A1 Process for determining the quantity of an explosive gas mixture to be introduced into a chamber for processing materials |
| 08/16/1989 | EP0180607B1 Combustion process with ionization monitoring |
| 08/15/1989 | US4856984 Time-delay for automatic reset of furnace |
| 08/15/1989 | US4856983 Hot surface direct ignition system for gas furnaces |
| 08/15/1989 | US4856982 Apparatus for exhausting combustion gases from a gas water heater |
| 08/09/1989 | EP0327516A1 Device for the automatic control of combustion air flow drawn into forced draught boilers by means of an electroventilator |
| 08/08/1989 | US4855718 Fire detection system employing at least one optical waveguide |
| 08/08/1989 | US4854852 System for redundantly processing a flame amplifier output signal |
| 08/02/1989 | EP0326245A2 Fuel burner control system |
| 08/02/1989 | EP0326244A2 Protection means for microcomputer control system |
| 07/26/1989 | EP0325356A2 Multiple fuel burner control system |
| 07/25/1989 | US4852046 Control system improvements in or relating to burner |
| 07/25/1989 | US4850856 Igniter for gas discharge pipe with a flame detection system |
| 07/25/1989 | US4850852 Gas valve shut off method and apparatus |
| 07/25/1989 | US4850530 Gas valve using modular construction |
| 07/25/1989 | US4850310 Boiler control having reduced number of boiler sequences for a given load |
| 07/25/1989 | CA1257832A1 System and process for controlling the flow of air and fuel to a burner |
| 07/19/1989 | EP0324438A2 Combustion of low BTU/high moisture content fuels |
| 07/19/1989 | EP0169870B1 Monitoring of burner operation |
| 07/19/1989 | CN2041393U Protector for fire extinguishing of boiler |
| 07/19/1989 | CN1034050A Combustion control of industrial furnaces using fuel oil by hydrogen content determination in tail gas |
| 07/19/1989 | CN1034047A Forward direction closing safety valve device for automatically shutting gas pipeline passage off during pressure reducing failure |
| 07/18/1989 | CA1257736A1 Aqueous solutions or dispersions of cationic oligourethanes, a process for the production thereof and the use thereof to produce coatings |
| 07/05/1989 | CN2040615U Quasi-electronic fully automatic non-extinction safe device |
| 07/05/1989 | CN2040600U Automatic close device for gas stove valve |
| 07/05/1989 | CN2040599U Gas timed controlled fully-automatic igniter |
| 07/05/1989 | CN2040587U 加热炉控制器 Furnace controller |
| 06/28/1989 | EP0322132A1 Fuel burner apparatus and a method of control |
| 06/28/1989 | EP0321858A2 Combustion apparatus |
| 06/27/1989 | US4842510 Integrated furnace control having ignition and pressure switch diagnostics |
| 06/22/1989 | DE3841084A1 Automatic firing (combustion) system |
| 06/15/1989 | DE3836868A1 Automatic firing system |
| 06/14/1989 | EP0320280A2 Acoustic monitoring of two-phase feed nozzles |
| 06/06/1989 | US4837731 System for time programming of states by communicating time data via a continuously rotatable potentiometer |
| 06/06/1989 | US4836770 Primary gas furnace control |
| 06/06/1989 | US4836444 Device for controlling heater for motor vehicle |
| 06/06/1989 | CA1255170A1 Purge and prime fuel delivery system and method |
| 05/31/1989 | EP0317731A1 Combustion-controlling method of fuel with a highly variable calorific value |
| 05/31/1989 | EP0317615A1 Heating stove which includes a pyrolysis gasifier |
| 05/30/1989 | US4835670 Microcomputer fuel burner control having safety interlock means |
| 05/30/1989 | US4835525 Flame monitoring apparatus |
| 05/30/1989 | US4834284 Hot water control |
| 05/24/1989 | EP0317178A1 Gas burner |
| 05/24/1989 | EP0316634A1 Testing method for a fuel-heated apparatus, and apparatus for carrying out the method |
| 05/23/1989 | US4832594 Control system with timer redundancy |
| 05/23/1989 | US4832070 Flame failure devices |
| 05/18/1989 | WO1989004442A1 Instantaneous hot water system |
| 05/18/1989 | DE3836869A1 Method of checking a gas valve and arrangement for carrying out the method |
| 05/18/1989 | DE3836867A1 Method for testing a fuel-heated apparatus and device for carrying out the method |
| 05/18/1989 | DE3836866A1 Control for a fuel-fired heat source |
| 05/16/1989 | US4830601 Method for the control of a burner equipped with an injector nozzle and an arrangement for executing the method |
| 05/16/1989 | US4830039 Fuel control valve construction, parts therefor, and methods of making the same |
| 05/11/1989 | DE3836842A1 Automatic firing system |
| 05/11/1989 | DE3737354C1 Control method for adjusting the individual air/fuel ratios of the individual burners of a furnace with several burners |
| 05/10/1989 | EP0315288A1 Heating apparatus |
| 05/10/1989 | EP0315055A1 Gas valve-testing method and apparatus for carrying out the method |
| 05/10/1989 | EP0315053A1 Burner automat |
| 05/10/1989 | EP0315042A1 Control of a fuel-heated heat source |
| 05/10/1989 | EP0314972A2 Device for heating water particularly a hot water boiler |
| 05/10/1989 | CN2037433U Control system of honeycomb briquet stove |
| 05/09/1989 | US4828484 Gas valve relay redundant safety |
| 05/09/1989 | US4827855 Method of operating a smokeless pyrolysis furnace with ramp and soak temperature control system |
| 05/09/1989 | US4827627 Apparatus and method for controlling a drying cycle of a clothes dryer |
| 05/03/1989 | EP0314610A1 Burner automat |
| 05/03/1989 | DE3834368A1 Refuse incineration plant |
| 05/02/1989 | US4827397 Microcomputer-based spark ignition gas burner control system |
| 05/02/1989 | US4825689 Sensing device |
| 05/02/1989 | CA1253594A1 Furnace draft control with remote control feature |
| 04/27/1989 | DE3818363A1 Method and apparatus for gas-air quantity control for gas blowpipes |
| 04/26/1989 | CN2036630U Timed gas fuel economizer |
| 04/26/1989 | CN1032496A Control of suspension density using radiation source |
| 04/25/1989 | US4825198 Method of and apparatus for testing the tightnesses of two valves arranged in a fluid line |
| 04/25/1989 | US4824016 Acoustic monitoring of two phase feed nozzles |
| 04/25/1989 | CA1253238A1 Printed wiring board means with isolated voltage source means |
| 04/19/1989 | CN2036247U Suddenly fire-extingushed self-closing throttle for gas range |
| 04/18/1989 | US4823114 A burner |