| Patents for F23N 1 - Regulating fuel supply (5,693) |
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| 05/19/1992 | CA1301227C Hot air type heater |
| 05/12/1992 | US5112217 Method and apparatus for controlling fuel-to-air ratio of the combustible gas supply of a radiant burner |
| 05/05/1992 | US5110287 Infra-red burner system for furnaces |
| 04/28/1992 | US5107777 Enriching normal process air, biomas generated during wood pulp and paper manufacture |
| 04/22/1992 | EP0481593A2 Fuel circulation control system |
| 04/22/1992 | EP0481040A1 A method of regulating a gas-fired heat-generating appliance, and the relative appliance |
| 04/21/1992 | US5106294 Method and arrangement for reducing the effect of disturbances on the combustion of a fan burner system |
| 04/15/1992 | CN1016264B Method and automatic optimization system of combustion processes in thermal objects |
| 04/14/1992 | US5104093 Fuel control device, valve member therefor and methods of making the same |
| 04/14/1992 | US5103801 Automatic cooking vessel |
| 04/08/1992 | EP0479216A1 Heating device |
| 04/07/1992 | US5102039 Fuel control device and method of making the same |
| 04/01/1992 | EP0478510A1 Process and apparatus for controlling the comburent/combustible ratio, particularly in boilers |
| 04/01/1992 | EP0478481A1 Method for improving the combustion of a burner with air fan and device for carrying out the method |
| 04/01/1992 | EP0477705A2 Heating boiler |
| 03/26/1992 | DE4130939A1 Gas switch for gas heated appliance - has rotatable and depressible handle to operate spring loaded main and ignition gas valves with ignition safety device in outer control grip |
| 03/26/1992 | DE4030234A1 Air flow regulator for multistage premix burner - has air control flap operated by gas flow from multiple inlets |
| 03/25/1992 | CA2052089A1 Process for improved combustion in an air-blown burner and operating means |
| 03/24/1992 | US5097818 Structure of gas governor |
| 03/10/1992 | US5094612 Gas injection pipe for sequential burner in gas variable-power boilers |
| 03/04/1992 | EP0473451A1 Method and device for controlling the gas flow in a spectrometer |
| 03/03/1992 | US5092519 Control system for water heaters |
| 02/25/1992 | US5091844 Preemptive constraint control |
| 02/25/1992 | US5090895 Device for preventing oil from dripping out of the burner nozzle of an oil-fired heating system |
| 02/18/1992 | US5089689 Flame safeguard control anti-swap feature |
| 02/18/1992 | US5088916 Gas-air ratio control valve device for gas burners |
| 02/18/1992 | US5088424 Controlled thermal oxidation |
| 01/26/1992 | CA2043577A1 Method and apparatus of controlling fuel-to-air ratio of the combustible gas supply of a radiant burner |
| 01/14/1992 | CA1294344C Gas-fired furnace control apparatus and method for maintaining an optimum fuel air ratio |
| 01/08/1992 | EP0464476A1 Flow rate regulating mechanism for gas lighters and similar devices and method of producing a microcell polymer filter for use therein |
| 01/08/1992 | CN1057713A Flow rate regulating mechanism for gas lighters and similar devices and method of producing microcell polymer filter |
| 01/07/1992 | US5078317 Heater for mobile units |
| 01/07/1992 | CA1293987C Hot water control |
| 01/02/1992 | EP0463839A2 Pollution control apparatus and method for pollution control |
| 01/01/1992 | CN1057500A Process for partial combustion of cellulose spent |
| 12/31/1991 | US5076782 Control device for a fuel valve |
| 12/31/1991 | US5076781 Modulated gas radiator |
| 12/27/1991 | EP0462583A2 Membrane controlled gas pressure regulator |
| 12/25/1991 | CA2039499A1 Device for preventing oil from dripping out of the burner nozzle of an oil-fired heating system |
| 12/18/1991 | EP0461447A1 Pressurised atomising nozzle |
| 12/12/1991 | WO1991019147A1 Method and apparatus for control of carbon baking furnaces |
| 12/12/1991 | DE4018471A1 Automatic burner ignition circuit for through-flow water heater - uses switched constant current source supplying feed valve energising magnet |
| 12/05/1991 | DE4117611A1 Continuous monitoring equipment for variable air floor - controls electrical motor according to air demand signal and computed efficiency |
| 12/04/1991 | EP0459963A1 Process for partial combustion of cellulose spent liquor |
| 11/26/1991 | US5067651 Fuel control device, fuel control system using the device and method of making the device |
| 11/26/1991 | CA1292535C Hot water heater controller |
| 11/26/1991 | CA1292420C Apparatus for controlling combustion in heater |
| 11/26/1991 | CA1292397C Method for providing variable output gas-fired furnace with a constant temperature rise and efficiency |
| 11/19/1991 | US5066221 Fitting for joining at least one hybrid burner to apparatus for supplying a fluid fuel |
| 11/14/1991 | DE4014693A1 Burner for combustion chamber of a tunnel furnace - uses coanda effect to control supply of combustion air |
| 11/14/1991 | DE4014506A1 Combustion gas flow modulation for ceramics - by periodic change between extreme values to give temp. adjustment in firing zone of tunnel kiln. |
| 11/14/1991 | DE4014505A1 Combustion gas mass pulse modulation - uses overlay of harmonic mass pulse oscillation on the base value to improve heat transfer to material in a tunnel kiln |
| 11/12/1991 | CA1291941C Fuel control device, fuel control system using the device and method of making the device |
| 10/31/1991 | WO1991016576A1 A method of regulating a gas-fired heat-generating appliance, and the relative appliance |
| 10/30/1991 | EP0453461A1 Method and apparatus for starting the boiler of a solid-fuel fired power plant and ensuring the burning process of the fuel |
| 10/22/1991 | US5059114 Heating apparatus and method |
| 10/16/1991 | EP0452029A1 Control in combination with thermostatically responsive assembly |
| 10/15/1991 | US5056712 Water heater controller |
| 10/09/1991 | EP0450173A1 Mixture control device for a pre-mixed gas burner |
| 10/08/1991 | CA1290238C Operation of a pulse fired burner |
| 10/01/1991 | US5052921 Controlling temperature |
| 10/01/1991 | US5052917 Double-combustor type pulsating combustion apparatus |
| 10/01/1991 | US5052344 Incineration control apparatus for a fluidized bed boiler |
| 10/01/1991 | US5052310 Solid waste-to-steam incinerator capacity enhancement by combined oxygen enrichment and liquid quench |
| 10/01/1991 | CA1289863C Single plunger valve for gas burning furnace |
| 09/26/1991 | DE4005450A1 Relay control for low-temp. space heating boiler - closes mixer of hot and cold water when boiler temp. falls short of lower min. value |
| 09/19/1991 | DE4007799A1 Burner for gas fired boiler - has device to maintain flow of mixt. of air and gas at constant velocity |
| 09/17/1991 | US5049063 Combustion control apparatus for burner |
| 09/15/1991 | WO1991014136A1 Device for the inflow control of gas, steam or other fluids |
| 09/15/1991 | CA2078236A1 Device for the inflow control of gas, steam or other fluids |
| 09/12/1991 | DE4007699A1 Fuel-fired auxiliary heater for motor vehicle - has with pulse-operated blower and burner controlled by variable pulse lengths |
| 09/03/1991 | US5044390 Cam operated fuel valve |
| 09/03/1991 | US5044326 Flammable waste liquid combustion system and method |
| 09/03/1991 | US5044287 Method of controlling combustion in a fluidized bed furnace |
| 08/27/1991 | US5043925 Method and apparatus for modeling bunker flow |
| 08/27/1991 | US5042431 Multiple boiler control system and method of operation |
| 08/21/1991 | EP0442777A1 Flow regulator with differential pressure controlled membrane for a hot-water gas heater |
| 08/20/1991 | US5040972 Pyrolyzer-kiln system |
| 08/20/1991 | US5040470 Steam generating system with NOx reduction |
| 08/13/1991 | US5039007 Water and air heating system |
| 08/10/1991 | CA2027978A1 Warmup method for a two stage furnace |
| 08/10/1991 | CA2027480A1 Fan control arrangement for a two stage furnace |
| 08/06/1991 | US5037291 Method and apparatus for optimizing fuel-to-air ratio in the combustible gas supply of a radiant burner |
| 07/25/1991 | WO1991010865A1 Fitting for connecting at least one hybrid burner to fluid-fuel feed devices |
| 07/24/1991 | EP0437811A2 Gas pressure regulator |
| 07/16/1991 | CA1286388C Capacity control for integrated furnace |
| 07/09/1991 | US5030085 Wick operating structure of lever actuation type for oil burner |
| 07/02/1991 | US5027789 Fan control arrangement for a two stage furnace |
| 06/26/1991 | EP0433595A1 Gas fittings |
| 06/26/1991 | CN1012991B Heating stove with pyrolysis gasifier |
| 06/25/1991 | CA1285180C Pulverized coal flow control system |
| 06/19/1991 | EP0433215A1 Method and apparatus for controlling the hotwater circulation in a gas fired waterheater |
| 06/19/1991 | EP0433214A2 Gas pressure regulator |
| 06/06/1991 | DE3940011A1 Oil-heater control system - regulates oil supply dependent on room temp. and speed of exhaust-controlled fan |
| 06/06/1991 | DE3939943A1 Forced-draught burner operating method - continues fuel supply for set period after turning off |
| 06/04/1991 | US5020771 Proportional control valve |
| 06/04/1991 | US5020479 Watertube boiler and its method of combustion |
| 06/04/1991 | US5020451 Fluidized-bed combustion furnace |
| 05/29/1991 | EP0429034A2 Method for controlling a heater |
| 05/22/1991 | EP0428373A2 Acoustical burner control system and method |