Patents for F23N 5 - Systems for controlling combustion (9,434)
05/1980
05/27/1980CA1078459A1 Device for detecting unburnt fuel components in a waste gas from a heating installation and the method for operating the device
05/14/1980EP0010767A1 Burner control system
04/1980
04/29/1980CA1076685A1 Direct ignition system with interlock protection
04/29/1980CA1076681A1 Flame sensing apparatus employing a detection electrode
04/15/1980US4197992 Thermostat control device
04/08/1980US4197082 Fuel ignition control arrangement employing dual flame sensors
04/08/1980CA1075344A1 Burner control system with secondary safety switch
04/03/1980WO1980000608A1 Combustion control system
03/1980
03/25/1980US4194875 Intermittent pilot ignition system
03/11/1980US4192641 Combustion control apparatus
03/11/1980CA1073238A1 Gas sensor with indium oxide resistive base
03/05/1980EP0008461A1 Control device for heating or refrigerating systems
02/1980
02/26/1980US4190414 Fail-safe gas feed and ignition sequence control apparatus and method for a gas-fired appliance
02/26/1980US4190197 Device for draft control
02/26/1980CA1072606A1 Heavy fuel oil nozzle
02/19/1980US4189296 Method and apparatus for controlling furnace
02/19/1980US4189295 Control for heating apparatus
02/12/1980US4188181 Gas burner control system
02/12/1980US4188180 Fuel burner safe starting system
02/12/1980US4188013 Gas valve seating member
01/1980
01/29/1980CA1070798A1 Flame detecting apparatus
01/29/1980CA1070607A1 Cycling pilot burner control system with pressure switch
01/15/1980CA1070000A1 Combustion optimizer
01/15/1980CA1069997A1 Methods and apparatus for optimising the response of transducers
01/10/1980WO1980000034A1 Method and apparatus for dosing an air-fuel mixture in burners having evaporating tubes
01/08/1980US4182488 Pressure regulator
01/01/1980US4181099 Coordinated control for power plant forced and induced draft fans during startup and fan speed changes
12/1979
12/25/1979US4180380 Electrical controls for heating appliances
12/25/1979CA1068510A Automatic burner monitor and control for furnaces
12/18/1979US4179606 Flame sensor
12/18/1979CA1068376A1 Primary flame safeguard system
12/11/1979US4178149 Fuel ignition control system
12/11/1979US4177951 Pulverizer air flow and temperature control
12/11/1979US4177950 Control for a power plant coal mill pulverizer having feedforward damper positioning
12/11/1979CA1067813A1 Fuel vaporizer and burner unit for space heater
12/04/1979US4177033 Flame detection arrangements and the like
11/1979
11/20/1979US4174943 Fuel gas preheat for excess oxygen maintenance
10/1979
10/30/1979US4172555 Adaptive electronic thermostat
10/30/1979US4172471 Valve unit
10/30/1979CA1065446A1 Electronic control arrangement for detecting a leak condition for a valve
10/23/1979US4171944 Combined smoke detection and furnace shut off device
10/23/1979CA1064874A1 Portable heating apparatus
10/09/1979CA1063879A1 Furnace plant
09/1979
09/25/1979US4168949 Flame signal stabilization circuit
09/25/1979US4168947 Fuel ignition control arrangement having a timing circuit with fast reset
09/18/1979US4168141 Safety ignition means for burner installations
09/11/1979US4167767 Flame or spark detection system and combustible gas ignition device
09/11/1979US4167389 Oil burner primary control for interrupted ignition system
09/11/1979US4167194 Automatic cutoff and tester apparatus of gas supply
09/05/1979EP0003934A1 Safety device against clogging of a heat exchanger in a gas-fired water heater
09/04/1979US4166421 Cyclonic furnace
08/1979
08/28/1979US4165610 Internal combustion engine with variable cylinder disablement control
08/21/1979CA1060973A1 Burner control system
08/21/1979CA1060734A1 Furnace over-pressure prevention
08/07/1979US4163903 Flame monitoring apparatus
07/1979
07/31/1979US4162889 Method and apparatus for control of efficiency of combustion in a furnace
07/31/1979US4162887 Oil burner
07/31/1979US4162656 Waste disposal by incineration
07/31/1979CA1059422A1 Food processing oven system
07/25/1979EP0003188A1 Adjustable air pressure sensitive switch in a safety device for the control of the air flow necessary for the combustion in a gas burner
07/24/1979US4161792 Waste disposal system and method
07/17/1979US4161387 Detection devices especially for the detection of flames
07/10/1979CA1058302A1 Flame monitoring system
07/10/1979CA1057910A1 Automatic bed level control for furnaces
07/03/1979US4160164 Flame sensing system
07/03/1979US4160163 Flame sensing system
06/1979
06/26/1979CA1057129A1 Installation for burning water-soluble oil-fuel emulsions
06/19/1979CA1056572A1 Gas fired fusion furnace and fusion head assembly
06/12/1979US4158166 Combustibles analyzer
06/12/1979US4157786 Thermostatic gas valve
06/12/1979US4157785 Safety connection for a retrofit flue damper
06/12/1979CA1056481A1 Oil burner safety control system with integral ignition
06/12/1979CA1056257A1 Step opening gas valve
06/05/1979US4157506 Flame detector
06/05/1979US4157241 Furnace heating assembly and method of making the same
06/05/1979US4157238 Control system for combustion apparatus and method
06/05/1979CA1055835A1 Apparatus for controlling fuel flow to a fluid heater burner
05/1979
05/29/1979US4156502 Environmental condition control system
05/15/1979US4154215 Air damper for open fireplace
05/08/1979CA1054000A1 Apparatus for heating a heat transfer fluid protected against overheating
05/08/1979CA1053990A1 Gas leak detector
05/01/1979US4151862 Multiple-mode fluid-flow control valve arrangement
04/1979
04/24/1979US4150941 Photoelectric control device for gas burners
04/24/1979US4150939 Differential controller for positioning combustion system
04/24/1979US4150938 Control unit for a gas burner
04/24/1979CA1053137A1 Temperature pressure activated purge gas flow system for flares
04/17/1979US4150286 Material flow monitoring circuit
04/03/1979US4147502 System for control of thermal potential
04/03/1979US4147496 Safety ignition means for burner installations
04/03/1979US4147494 Gas burner ignition device
04/03/1979CA1051768A1 Spark ignited recycling ignition system with interlocking gas valve control
03/1979
03/20/1979US4145180 Ignition system for fuel burning apparatus
03/20/1979US4145179 Combustion control system
03/20/1979US4144997 Control of multiple fuel streams to a burner
03/06/1979US4142851 Apparatus for preventing gas leakage
02/1979
02/27/1979US4141505 Heavy fuel oil nozzle
02/27/1979CA1049372A1 Timing device with tripping mechanism for fluid valve
02/27/1979CA1049287A2 Hot water generator and method for shock testing fabricated piping components
02/20/1979US4140475 Combustion detection apparatus
02/20/1979US4140474 Burner control system
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