Patents for F23N 5 - Systems for controlling combustion (9,434)
03/1981
03/24/1981US4258404 Fail-safe control circuit, particularly for heating apparatus
03/24/1981US4257759 Fuel burner primary control means
03/24/1981US4257758 Safety arrangement in a gas operated apparatus
03/24/1981CA1098023A1 Self-contained electric igniter with rechargeable battery
03/17/1981CA1097766A1 Furnace control
03/10/1981US4255118 Electric ignition system
03/03/1981US4253404 Natural draft combustion zone optimizing method and apparatus
03/03/1981US4253311 Control system for a mobile absorption refrigerating apparatus
02/1981
02/25/1981EP0024231A1 Control devices for gas valves
02/24/1981CA1096475A1 No translation available
02/24/1981CA1096464A1 Fuel ignition system having interlock protection and electronic valve leak detection
02/24/1981CA1096292A1 Accelerated response for delivery of smoke suppressant to flares
02/17/1981US4251025 Furnace control using induced draft blower and exhaust stack flow rate sensing
02/17/1981CA1096010A1 Burner control system
02/17/1981CA1096008A1 Furnace pressure sensor
02/17/1981CA1095990A1 Combustibles analyzer
02/11/1981EP0023870A1 Safety control devices for gas valves
02/10/1981US4249886 Combustion control system
02/10/1981US4249884 Burner control apparatus with stabilized pilot flame timing interval
02/03/1981US4249168 Flame detector
02/03/1981US4248375 Clock thermostat apparatus having means for reducing the setback temperature when the normal temperature selection is turned down
01/1981
01/28/1981EP0022856A1 Method and apparatus for regulating the combustion in a furnace
01/27/1981CA1094666A1 Apparatus for preventing gas leakage
01/27/1981CA1094665A1 Stack damper control safety interlock with lockout prevention
01/20/1981US4245978 Gas burner control system
01/20/1981US4245977 Method and apparatus for hydrocarbon flame ignition and detection
01/20/1981CA1093931A1 Valve unit
01/13/1981CA1093341A1 Two-flame burner for flame photometric detection
01/07/1981EP0021937A1 Electromagnetic safety mechanism
01/07/1981EP0021516A1 An electric control device for a central heating boiler
01/06/1981US4243373 Direct ignition gas burner control system
01/06/1981US4243372 Burner control system
01/06/1981CA1093181A1 Flame detector
01/06/1981CA1092825A1 Pulverizer air flow and temperature control
12/1980
12/30/1980US4242081 Oil burner primary control for interrupted ignition system
12/30/1980US4242080 Safety device for gas burners
12/30/1980US4242079 Fuel ignition control system
12/30/1980US4242078 Centralized automatic pilot/pilotless ignition control system
12/30/1980US4241869 Furnace fuel optimizer
12/16/1980US4239478 Check circuit for combustion process control timer
12/10/1980EP0020280A1 Fail-safe ignition device for a valve of a burner
12/09/1980US4238185 Control system for a burner
12/09/1980US4238184 Flame detection system using a voltage clipper means
12/09/1980US4237825 Furnace heat absorption control
12/02/1980US4236380 Control system for automatic delayed operation of a gas operated absorption refrigerator
12/02/1980CA1090903A1 Fuel ignition system having contact interlock protection
12/02/1980CA1090693A1 Method of at least partially burning a hydrocarbon and/or carbonaceous fuel
11/1980
11/27/1980WO1980002602A1 Realtime radiation exposure monitor and control apparatus
11/25/1980US4235587 Flame responsive control circuit
11/25/1980US4235586 Gas ignition control
11/25/1980US4235171 Natural draft combustion zone optimizing method and apparatus
11/25/1980CA1090442A1 Combustion monitoring and control system
11/18/1980US4234124 Control system for gas kiln
11/18/1980US4234106 Fuel delivery system for a furnace or kiln
11/18/1980CA1089662A1 Ignition system for waste gas flares with gas compensation
11/13/1980WO1980002453A1 Control of burners
11/11/1980US4233596 Flare monitoring apparatus
11/11/1980US4233504 Apparatus for detecting the passage of glowing embers
11/04/1980US4231733 Combined O2 /combustibles solid electrolyte gas monitoring device
11/04/1980US4231732 Gas burner control system
11/04/1980US4231222 Air fuel control system for Stirling engine
11/04/1980CA1088911A1 Gas valve seating member
10/1980
10/28/1980US4230444 Method and apparatus for fuel ignition system including complete cycling of flame relay prior to trial for ignition
10/21/1980US4229157 System for controlling feed of waste gas to ground flare
10/21/1980CA1088182A1 Burner control with interrupted ignition
10/21/1980CA1088180A1 Method of, and control means for independently adjusting the full mixture composition and melting rate of multiburner shaft furnaces for melting metals
10/15/1980EP0017018A1 Temperature controller
10/15/1980EP0016944A1 Process and device for monitoring a central heating boiler involving measurement of the smoke gas temperature
10/14/1980US4227872 Apparatus for supplying alternate gases to steam injection means on a flare stack
10/14/1980US4227369 Control systems for apparatus
10/07/1980US4226581 Safe start check circuit
10/01/1980EP0016326A1 Gas-pressure controller
09/1980
09/18/1980WO1980001946A1 Combustion control circuit
09/16/1980CA1085681A1 Device for draft control
09/09/1980US4221557 Apparatus for detecting the occurrence of inadequate levels of combustion air at a flame
09/09/1980CA1085491A1 Electronic valve seat leak detector
09/02/1980US4220857 Optical flame and explosion detection system and method
08/1980
08/26/1980CA1084610A1 Fuel ignition system control arrangement providing total fuel shutoff and contact protection
08/26/1980CA1084609A1 Fuel ignition system including an igniter providing a lingering spark
08/19/1980CA1084142A1 Method and apparatus for control of efficiency of combustion in a furnace
08/07/1980WO1980001604A1 Combustion control equipment
08/07/1980WO1980001603A1 Method and apparatus for regulating the combustion in a furnace
08/06/1980EP0013993A2 Pressure controller
08/05/1980CA1083248A1 Burner control system with primary safety switch
07/1980
07/22/1980US4213562 Programmer
07/22/1980CA1082298A1 Direct spark ignition system utilizing gated oscillator
07/15/1980CA1081826A1 Furnace pressure control
07/15/1980CA1081599A1 Control of forced draught combustion apparatus
07/08/1980US4211526 Control system for redundant valves
07/01/1980CA1080829A1 Distributed programmable control system
06/1980
06/24/1980US4209291 Safety apparatus for stopping gas leakages
06/17/1980CA1079607A1 Timing device for fluid valve
06/11/1980EP0012091A1 Method and installation for treating industrial waste
06/10/1980US4207480 D.C. Amplifier with improved characteristics with respect to temperature
06/10/1980US4207054 Safety ignition valves
06/10/1980CA1079139A1 Boiler control providing improved operation with fuels having variable heating values
06/03/1980US4206454 Two channel optical flame detector
06/03/1980US4205631 Pressure limiting control for an inlet draft fan in an electric power plant
05/1980
05/27/1980US4204833 Safety control for furnace burner
05/27/1980US4204830 Method and apparatus for controlling burner-air-fuel ratio
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