| Patents for F23N 5 - Systems for controlling combustion (9,434) |
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| 04/14/1994 | WO1994008228A1 Industrial flame spectral analysis process and device by measurement of optical emission |
| 04/13/1994 | EP0591910A1 Control and monitoring equipment for gas burners |
| 04/13/1994 | EP0591886A2 Apparatus for detecting abnormality of gas supply equipment and method for detecting same |
| 04/12/1994 | US5301621 Slag viscosity detection through image analysis of dripping slag within rotary incineration kilns |
| 04/07/1994 | DE4334163A1 Safety unit for water heater having heat exchanger heated by burner - has sensing unit for determining temp. of feed water of heating circuit and temp. detector controlling switch for monitoring temp. of feed water |
| 04/06/1994 | EP0292486B1 Automatic fluid flow shutoff device |
| 04/05/1994 | US5300836 Flame rod structure, and a compensating circuit and control method thereof |
| 04/05/1994 | CA1328200C Combustion of low btu/high moisture content fuels |
| 03/31/1994 | WO1994007089A1 Optical flame detector performance tester |
| 03/31/1994 | DE3844866C2 Automatic ignition device for gas-fired water heater |
| 03/30/1994 | EP0589404A1 Method and device for controlling a gas stream |
| 03/30/1994 | EP0589026A1 Process and device for regulating the burning of solid fuels in a combustion plant |
| 03/29/1994 | US5298207 Method of producing a microcell polymer filter for use in flow rate regulating mechanisms for gas lighters and similar devices |
| 03/29/1994 | US5297729 Heating system for heating a space |
| 03/29/1994 | US5297535 Ignition device for water heaters |
| 03/24/1994 | DE4331917A1 Control of gas burner water heater - involves inhibition switching of gas valve to ensure that safe delay is provided before gas valve can be operated following turn off |
| 03/24/1994 | DE4231777A1 Verfahren zur spektralen Analyse von technischen Flammen durch optische Emissionsmessung und Anordnung hierfür Method for spectral analysis of technical flames by optical emission measurement and arrangement thereof |
| 03/22/1994 | US5295818 Control unit for burner assembly |
| 03/17/1994 | DE4230390A1 Automatic firing device for gas central heating boiler - has microprocessor control of igniter and gas supply control valve for burner |
| 03/10/1994 | DE4228948A1 Monitoring gas burner flame - converting pressure wave characteristic of flame into corresp. electrical signal |
| 03/09/1994 | EP0586261A1 Pulse combustor |
| 03/09/1994 | EP0585984A1 Method and apparatus for heating internal combustion engine exhaust gas |
| 03/09/1994 | EP0585478A1 Control device for a gas burner |
| 03/02/1994 | EP0585100A2 Furnace apparatus |
| 03/01/1994 | US5289786 Tri-generation garbage incinerator |
| 03/01/1994 | CA2104720A1 Furnace apparatus |
| 03/01/1994 | CA1327390C Apparatus and method for detecting the presence of a burner flame |
| 02/22/1994 | US5287817 Emergency shutdown system for a hazardous waste incinerator |
| 02/15/1994 | US5287048 Electronic gas valve power interruption switch |
| 02/03/1994 | DE4225257A1 Nitrogen oxide emission reducing system for industrial furnaces - has free jets of combustion air and fuel with separate roots, with their axes forming diverging angle in orthogonal plane in flame direction |
| 02/02/1994 | EP0581451A1 Combustion control method |
| 02/02/1994 | EP0581391A1 Control system for supplying a gas flow to a gas consumption apparatus |
| 02/01/1994 | US5282739 Safety device for gas-fired equipment |
| 02/01/1994 | US5282738 Liquid fuel feeding method and liquid fuel burning apparatus |
| 01/25/1994 | US5281131 Selective emissive burner |
| 01/25/1994 | US5280802 Gas appliance detection apparatus |
| 01/25/1994 | US5280756 NOx Emissions advisor and automation system |
| 01/20/1994 | WO1994001722A1 Fail-safe valve responsive to flame failure and flaring |
| 01/19/1994 | EP0578949A1 Method and device for regulating the temperature of a boiler |
| 01/19/1994 | CN1080880A Method for controlling of density of oxygen contained in discharged gas from burning apparatus |
| 01/12/1994 | EP0578298A1 fluid pressure regulator |
| 01/11/1994 | US5277575 System and method for controlling the operation of a primary burner |
| 01/11/1994 | US5277244 Method for switching on and off heating and air conditioning units |
| 01/11/1994 | US5277134 Coal mill control process |
| 01/11/1994 | US5277025 Exhaust burner control |
| 01/05/1994 | EP0576955A2 Method and device for controlling the combustion of fuel on a grate of a furnace |
| 01/04/1994 | US5275553 Apparatus for combustion, pollution and chemical process control |
| 01/04/1994 | CA1325745C Exhaust apparatus |
| 12/29/1993 | EP0576068A2 Combustion detection apparatus |
| 12/29/1993 | CN1080043A Method for melting copper |
| 12/23/1993 | WO1993025849A1 Method of controlling concentration of oxygen in combustion exhaust gas for combustion equipment |
| 12/21/1993 | US5272427 Furnace control apparatus and method |
| 12/21/1993 | US5271556 Integrated furnace control |
| 12/21/1993 | US5271375 Monitoring of gas flow |
| 12/14/1993 | US5270684 Oil consumption counter |
| 12/14/1993 | US5269458 Furnace monitoring and thermostat cycling system for recreational vehicles and marine vessels |
| 12/09/1993 | WO1993024913A1 Display panel associating series circuit interlock switch conduction status indicators with circuit topology |
| 12/09/1993 | WO1993024912A1 Display apparatus for a first out type of fault status annunciator having a series string of interlock switches |
| 12/09/1993 | WO1993024905A1 System controller and remote fault annunciator with cooperative storage, sharing, and presentation of fault data |
| 12/09/1993 | WO1993024792A1 Electronic gas valve power interruption switch |
| 12/09/1993 | WO1993024665A1 Method for melting copper |
| 12/09/1993 | DE4218278A1 Safety system for gas cooker ring burners provided with power regulator - has ignition electrode in region of burner flame and monitoring electrode working according to ionisation principle only heated with pan on ring |
| 12/09/1993 | CA2141054A1 Display panel associating series circuit interlock switch conduction status indicators with circuit topology |
| 12/09/1993 | CA2136346A1 Electronic gas valve power interruption switch |
| 12/09/1993 | CA2133098A1 Display apparatus for a first out type of fault status annunciator having a series string of interlock switches |
| 12/08/1993 | EP0573223A1 Heating appliances |
| 12/08/1993 | EP0573222A1 Heating appliances |
| 12/07/1993 | US5268613 Incandescent illumination system |
| 12/07/1993 | CA1325047C Temperature recovery display device for an electronic programmable thermostat |
| 12/02/1993 | DE4321439A1 Domestic fire and oven firing system - uses reaction chamber lined with catalytic material producing carbon-dioxide and water and preventing secondary reaction with nitrogen in air |
| 11/30/1993 | US5266779 Fail safe control device |
| 11/30/1993 | CA2059468C Thermostat providing electrical isolation therein between connected heating and cooling transformers |
| 11/24/1993 | EP0570949A1 Dried sludge melting furnace |
| 11/24/1993 | EP0570568A1 A device for automatic reignition of an extinguished burner flame. |
| 11/23/1993 | US5263851 Combustion control system for burner |
| 11/23/1993 | US5263850 Emission control system for an oil-fired combustion process |
| 11/23/1993 | US5263642 Apparatus for automatically starting a pellet furnace |
| 11/16/1993 | US5261811 Burner control system and method |
| 11/16/1993 | US5261598 Safety device for a combustion apparatus |
| 11/16/1993 | US5261337 Combustion control method of refuse incinerator |
| 11/16/1993 | US5261268 Gas leak detection system |
| 11/11/1993 | DE4313368A1 Measurement of metal constituents in combustion gases - from light emission of gas in plasma flame |
| 11/02/1993 | US5257927 To reduce emissions |
| 11/02/1993 | US5257496 Combustion control for producing low NOx emissions through use of flame spectroscopy |
| 11/02/1993 | CA1323801C Process and an apparatus for controlling the firing performance of combustion plants |
| 10/28/1993 | WO1993021476A1 Process and device for regulating the burning of solid fuels in a combustion plant |
| 10/28/1993 | CA2102288A1 A process and a device for regulating the combustion of solid fuels in a combustion plant |
| 10/27/1993 | EP0567060A1 Method for controlling a gas burner with a fan |
| 10/27/1993 | EP0566768A1 Control circuit for a gas burner with a flow switch for monitoring the air supply |
| 10/26/1993 | US5256057 Fuel control circuit |
| 10/20/1993 | EP0566177A1 Automatic burner control device for a gas appliance, suitable in particular for a boiler of a central heating system. |
| 10/20/1993 | CN2144247Y Programmable boiler controller |
| 10/19/1993 | US5253475 Combustion detection |
| 10/14/1993 | DE4211839A1 Verfahren und Vorrichtung zur Regelung des Abbrandes fester Brennstoffe in einer Verbrennungsanlage Method and apparatus for controlling the burn solid fuels in an incinerator |
| 10/13/1993 | EP0565474A1 Safety system to prevent accidental leakage in gas circuits and receivers |
| 10/13/1993 | EP0564642A1 Low nox burner |
| 10/13/1993 | CN2143724Y Automatic monitor for smoke blackness |
| 10/12/1993 | US5252060 Infrared laser fault detection method for hazardous waste incineration |
| 10/12/1993 | US5251684 Method for controlling the oxidation and calcination of waste foundry sands |
| 10/07/1993 | CA2092981A1 Control unit for burner assembly |