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