Patents for F23N 5 - Systems for controlling combustion (9,434)
04/1989
04/13/1989DE3741560C1 Ignition spark detector
04/12/1989CN2035851U Time switch for household gas stove
04/11/1989US4819587 Multiple-purpose instantaneous gas water heater
04/05/1989EP0310233A2 Combustion control systems
04/05/1989CN2035441U Safety timing switch for domestic gas stove
04/05/1989CN2035440U Gas burning timing controller
04/04/1989US4817862 Control apparatus
04/04/1989US4817705 Thermostatic control without temperature droop using duty cycle control
03/1989
03/29/1989EP0309104A2 Analysing the oxygen content of gases in industrial processes
03/29/1989EP0308840A2 Fail-safe potentiometer feedback system
03/29/1989EP0308831A2 System for processing a flame sensor output signal
03/28/1989US4815965 Monitoring and control of a furnace
03/28/1989US4815524 Control system for a furnace operating in the continuous blower mode
03/23/1989DE3830298A1 Intrinsically safe electrical circuit
03/22/1989EP0308027A2 Control of suspension density using radiation source
03/21/1989US4813596 Fuel control device, fuel control system using the device and method of making the device
03/15/1989EP0306695A2 Hot gas generating device using thermal afterburning
03/14/1989US4812051 Apparatus for investigating thermal transformations
03/07/1989CA1250932A1 Cleaning apparatus for fuel burner
03/01/1989EP0304437A1 Method of image analysis in pulverized fuel combustion.
02/1989
02/28/1989US4809128 Heating element operating unit and method
02/23/1989WO1989001377A1 Process for determining the quantity of an explosive gas mixture to be introduced into a chamber for processing materials
02/21/1989US4806095 Fuel valve control system
02/14/1989US4805114 Economical dispatching arrangement for a boiler system having a cogenerative capability
02/08/1989EP0302467A1 Incinerator combustion air control
02/08/1989EP0302446A2 Gas control apparatus
02/07/1989US4802841 Operation apparatus
02/01/1989CN2031879U Ignition autocontrol device for flame boiler
01/1989
01/26/1989WO1989000661A1 Combustion control apparatus for fluidized bed boilers
01/18/1989CN2031066U Thermometric device for static bed intermittent gas stove
01/18/1989CN1030470A Heating stove which includes pyrolysis gasifier
01/17/1989US4799176 Electronic digital thermostat
01/17/1989US4798531 Process and apparatus for the control of the air and fuel supply to a plurality of burners
01/12/1989DE3723278A1 Uv-flammenfuehler Uv-flammenfuehler
01/11/1989EP0298415A2 Method and Apparatus for thermostatic control
01/11/1989EP0298149A1 Flow regulating device
01/10/1989US4797776 Furnace temperature safety system
01/10/1989US4797088 Safety device for oil burner
01/10/1989US4797087 Method and apparatus for generating highly luminous flame
01/04/1989CN2030296U Automatic cut-off switch for gas stove
01/04/1989CN2030288U Extinguishing alarm timer
01/03/1989US4794870 Modulating method and system for kiln firing
12/1988
12/29/1988WO1988010400A1 Heating element operating unit and method
12/29/1988DE3815786A1 Electronic timer for engine-independent vehicle heaters
12/27/1988US4793799 Photovoltaic control system
12/27/1988US4793512 Apparatus and method for feeding particulate material such as coal and other bulk materials
12/20/1988US4792089 Self-correcting microprocessor control system and method for a furnace
12/20/1988CA1247211A1 Discriminating fire sensor with thermal override capability
12/20/1988CA1247208A1 Dual spectrum frequency responding fire sensor
12/15/1988WO1988009903A1 Heating stove which includes a pyrolysis gasifier
12/15/1988DE3818049A1 Device for controlling the fuel feed to a fuel-fired device
12/13/1988US4790352 Slow opening and fast closure gas valve
12/06/1988US4789330 Gas furnace control system
12/06/1988US4789329 Thermostatically operated fuel valve control circuit
12/06/1988CA1245970A1 Oil burner
11/1988
11/30/1988EP0292706A1 Optimization firing process for hydrogen-containing fuels
11/29/1988US4788529 Multifunctional safety gas flow regulator's controller
11/29/1988US4787414 Fuel control valve construction, parts therefor and methods of making the same
11/29/1988US4787410 Gas shut-off system
11/23/1988EP0291583A1 Heating apparatus
11/23/1988CN87102023A Movable regulating furnace arch
11/15/1988US4785292 Dual spectrum frequency responding fire sensor
11/10/1988DE3813834A1 Automatic firing device
11/09/1988CN88205037U Auto-ratio-adjusting device for air and gas
11/08/1988US4783600 Automatic controller of the master gas switch
11/08/1988US4782766 Automatic combustion control for a rotary combustor
11/03/1988WO1988008506A1 Combustion control
11/03/1988WO1988008504A1 Combustion control method for fluidized bed incinerator
11/01/1988CA1244112A1 Means for setting the switching on and off periods of a burner of a hot water heating installation
11/01/1988CA1243939A1 Space heater
10/1988
10/26/1988EP0288390A1 Security apparatus for gas valves
10/26/1988EP0144433B1 Combustion apparatus
10/26/1988CN87101323A Safety automatic shutoff device for burning gas
10/25/1988US4780832 Radiation probe and method of use
10/18/1988US4778378 Self-powered intermittent ignition and control system for gas combustion appliances
10/18/1988US4778377 Device for controlling fuel combustion in a heater
10/13/1988DE3712392C1 Method and arrangement for increasing the operating reliability of furnace burner systems
10/12/1988EP0286226A1 Cooling system for gasifier burner operating in a high pressure environment
10/05/1988EP0284785A1 Method and device for controlling the thightness of two valves successively disposed on a fluid conduit
10/04/1988US4774747 Gas burner for the interior heating of hollow rolls
09/1988
09/29/1988DE3808179A1 Safety system
09/28/1988EP0284517A2 Regulation method and apparatus of a combustible gas consumption site supplying several consumption points
09/28/1988EP0273906A4 Flame detection.
09/27/1988US4773588 Heater device for motor vehicle
09/22/1988DE3711998A1 Method and device for avoiding a shortage of air in the regulation of incinerating plants
09/21/1988EP0282644A2 Firing automat with flame supervision
09/21/1988EP0177511B1 Dual spectrum frequency responding fire sensor
09/21/1988CN88101247A Carburetor combustor cooling system used in high pressure
09/15/1988DE3721752C1 Flame detector
09/14/1988EP0281823A2 Power regulation device for fuel-fired heat producers
09/13/1988US4770758 Air/fuel ratio detector
09/13/1988US4770629 Status indicator for self-energizing burner control system
09/13/1988US4770628 Abnormal combustion detecting construction for burner
09/13/1988US4770627 Combustion control system for oil burner
09/13/1988US4770340 Boiler air flow controlling apparatus
09/13/1988US4770161 Gas water heaters or bath heaters
09/07/1988WO1988006698A1 Automatic combustion control for a rotary combustor
09/07/1988EP0192682A4 Method and apparatus for flame generation.
09/07/1988CN87210726U Combustion controller of burning gas
09/06/1988US4768947 Burner apparatus
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