Patents for F23N 5 - Systems for controlling combustion (9,434)
02/1979
02/20/1979CA1048796A1 System for supplying fuel and combustion air to an external combustion engine
02/13/1979US4139339 Flare gas stack with purge control
02/06/1979US4138725 Automatic fuel combustion control method and system
02/06/1979CA1048124A1 Sediment buildup warning device for water heaters
01/1979
01/30/1979US4137035 Burner control apparatus
01/24/1979EP0000358A2 Method for controlling the combustion of liquid fuels, and burner arrangement suitable for carrying out the method
01/16/1979CA1046378A1 Multiple-mode fluid-flow control valve arrangement
01/09/1979US4133629 Combustion system control
12/1978
12/26/1978US4131413 Self-contained electric igniter with rechargeable battery
12/26/1978US4131412 Fuel ignition system having interlock protection and electronic valve leak detection
12/26/1978US4131072 Apparatus for individual controlled distribution of powdered solid fuel to plural burning units
12/26/1978CA1045024A1 Automatic fuel ignition apparatus
12/19/1978US4130104 Glow wire ignition with on/off and hot warning means for gas heated stove
12/12/1978US4129408 Gas burner lighting device for an absorption refrigerating apparatus
12/12/1978CA1044285A1 Electrical switch for ignition in gas appliances
12/05/1978US4128458 Combustible element and oxygen concentration sensor
12/05/1978US4128390 Fuel vaporizer and burner unit for space heater
12/05/1978US4128387 Ignition device
11/1978
11/28/1978US4127887 Safety test circuit for combustion control apparatus
11/28/1978US4127380 Ignition system for waste gas flares with gas compensation
11/28/1978CA1043445A1 Infra-red dynamic flame detector
11/21/1978CA1042994A1 Logic circuitry
11/14/1978US4125357 Control and monitoring system for gas burners
11/14/1978US4125356 Safety equipment for gas burner
11/07/1978US4124354 Recycling pilot ignition system
11/07/1978CA1042089A1 Boiler control having a heating value computer and providing improved operation with fuels having variable heating values
11/07/1978CA1042088A1 Fire detectors
10/1978
10/31/1978US4123036 Fuel control system and control device therefor or the like
10/31/1978US4122557 Incinerator
10/31/1978CA1041415A1 Burner control system with cycling pilot burner
10/17/1978CA1040733A1 Electro-optic monitoring arrangements
10/03/1978US4118005 Timing device for fluid valve
09/1978
09/26/1978US4116613 Direct ignition system with interlock protection
09/26/1978CA1039174A1 Split ring burner for weld preheat
09/26/1978CA1039145A1 Valve assembly having leak detection apparatus
09/12/1978US4114129 Thermally responsive actuator
09/12/1978US4113419 Burner control apparatus
09/05/1978US4111640 Cycling pilot burner control system with pressure switch
09/05/1978US4111639 Proven pilot fuel ignition system with sampling flame sensor
08/1978
08/22/1978US4108370 Fuel control system having by-pass means and parts therefor and the like
08/22/1978CA1037142A1 Flame detection system utilizing a radiation coupling
08/22/1978CA1037107A1 Spark igniter system for gas appliance pilot ignition
08/15/1978US4107657 Flame detecting apparatus
08/15/1978US4106889 Burner ignition system
08/15/1978US4106690 Optimum start controller
08/15/1978CA1036428A1 Furnace draft control for a steam generator
08/01/1978US4104016 Cycling pilot burner control system with safety timing
07/1978
07/25/1978US4102630 Burner control system
07/25/1978US4102628 Control apparatus for gas burning appliance
07/25/1978US4102627 Draft tell-tale for fired furnaces
07/25/1978US4102496 Thermal valve
07/25/1978US4102279 Furnace plant
07/18/1978US4101767 Discriminating fire sensor
07/18/1978US4101261 Flare gas stack with purge gas conservation system
07/18/1978US4101258 Fuel burner sequencing device with safety checking means
07/18/1978US4101257 Pilot gas conservation system for flare stacks
07/04/1978US4098284 Safety device for gas supply pipe
06/1978
06/27/1978US4097239 Two-flame burner for flame photometric detection
06/27/1978US4097218 Means and method for controlling excess air inflow
06/13/1978US4094632 Accelerated response for delivery of smoke suppressant to flares
05/1978
05/30/1978US4092094 Method and apparatus for the controlled distribution of powdered solid fuel to burning units
05/30/1978US4091993 Time variable thermostat
05/23/1978US4090664 Tri-state electrical circuit
05/23/1978US4090663 Fan control for forced air temperature conditioning apparatus
05/16/1978US4089632 Fuel control safety apparatus
05/09/1978US4088984 Flame detection
05/02/1978US4087230 Fuel ignition system providing fuel shutoff under simultaneous failure conditions
05/02/1978US4087229 Automatic fuel ignition system with redundant flame sensing
05/02/1978US4087046 Test apparatus
05/02/1978US4087045 Stack damper control safety interlock with lockout prevention
05/02/1978US4086773 Vapor temperature/pressure control system for an automotive vapor-powered engine
04/1978
04/25/1978US4086048 Spark ignited recycling ignition system with interlocking gas valve control
04/25/1978US4085921 Multiple-mode fluid-flow control valve arrangement
04/25/1978US4085891 Fuel control system and control device therefor or the like
04/11/1978US4083673 Portable heating apparatus
04/11/1978US4083353 Food processing oven system
04/04/1978US4082493 Gas burner control system
04/04/1978US4082113 Timing device with tripping mechanism for fluid valve
03/1978
03/28/1978US4081235 Valve interlock
03/28/1978US4081234 Limit and control for heavy oil preheating
03/28/1978US4080784 Gas turbine engine power plant with a coal burning fluidized bed
03/21/1978US4080154 Gas burner control system with cycling pilot
03/21/1978US4080153 Thermal switch
03/21/1978US4080151 Furnace pressure sensor
03/21/1978US4080149 Pulse combustion control system
03/14/1978US4078880 Apparatus for detecting non-combusted fuel components in exhaust gases of a heating installation and method for operating the aforesaid apparatus
03/14/1978US4078879 Fuel ignition system control arrangement providing total fuel shutoff and contact protection
03/14/1978US4078878 Fuel burner control device providing safely ignited burner
03/07/1978US4077762 Fuel ignition system having contact interlock protection
02/1978
02/28/1978US4076487 Ignition and control system for gas burning apparatus
02/14/1978US4073611 Control system for gas burning apparatus
01/1978
01/24/1978US4070144 Control system
01/24/1978US4070143 Fuel ignition system including an igniter providing a lingering spark
01/17/1978US4068682 Timing device for fluid valve
01/10/1978US4067684 Apparatus for controlling fuel flow fluid heater burner
01/10/1978US4067539 Gas valve
01/10/1978US4067191 System for supplying fuel and combustion air to an external combustion engine
12/1977
12/27/1977US4065250 Method of independently adjusting the fuel mixture composition and melting rate of multiburner shaft furnaces for melting metals
12/27/1977US4064699 Boiler control providing improved operation with fuels having variable heating values
12/27/1977US4064698 Boiler control having a heating value computer and providing improved operation with fuels having variable heating values
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