Patents for F23N 5 - Systems for controlling combustion (9,434)
12/1984
12/25/1984US4489562 Method and apparatus for controlling a gasifier
12/19/1984EP0128809A2 Gas burner of the premixing type with flame control, and use of this burner, especially in a submerged tube installation
12/18/1984US4489376 Industrial process control apparatus and method
12/18/1984CA1179752A1 Flame scanning circuit
12/11/1984US4487030 Gas/electric operated absorption refrigerator having automatic flame detection and restart capability with visual indication of operating status
12/11/1984CA1179421A1 Condition control system for efficient transfer of energy to and from a working fluid
12/04/1984US4486166 Jackshaft controlled boiler combustion control system
12/04/1984US4486165 Combustion control apparatus of a combustion furnace
11/1984
11/21/1984EP0125965A1 Burner for gaseous fuel incorporating ignition and safety systems
11/20/1984US4483672 Gas burner control system
11/14/1984EP0124549A1 Burner supplied with fluid fuel.
11/13/1984US4482313 Gasburner system
11/13/1984US4482312 In a furnace system
11/13/1984US4482311 Burner with oxygen shortage sensor
11/13/1984CA1177716A1 Power burner system for a food preparation oven
11/07/1984EP0124330A1 Improvements in or relating to fuel burner control systems
11/06/1984US4480986 Liquid fuel vaporizing burner
10/1984
10/30/1984US4479774 Combustion control system
10/25/1984WO1984004150A1 Combustion apparatus
10/23/1984CA1176730A1 Control circuit for a firing installation
10/16/1984US4477245 Flame monitoring safety, energy and fuel conservation system
10/10/1984EP0121437A2 Control system for a boiler or furnace
10/09/1984US4475685 Control system for efficient intermittent operation of building HVAC equipment
10/03/1984EP0120681A1 A control circuit for use with a fuel control valve
10/03/1984EP0120109A1 Method and apparatus to control the combustion of escaped gas from a hot air cupola furnace
10/02/1984US4474550 Thermostatic control system
10/02/1984US4474549 Combustion air trim control method and apparatus
10/02/1984US4474548 Combustion controlling apparatus
10/02/1984CA1175528A1 Burner control
10/02/1984CA1175255A1 Spectrophotometer gas control system
09/1984
09/26/1984EP0119785A1 Method of controlling the operation of a furnace and an air conditioner
09/26/1984EP0119264A1 Discriminating fire sensor with thermal override capability.
09/25/1984US4472936 Method and apparatus for controlling combustion of gasified fuel
09/18/1984US4472135 Sodium chloride color emitter on a carrier
09/11/1984US4471221 Infra-red flame detector
09/11/1984US4470267 Adjustable temperature sensitive duty cycling furnace and air conditioner control switch
09/11/1984CA1174331A1 Control apparatus for use in multiple steam generator or multiple hot water generator installations
09/04/1984US4469274 Electronic thermostat with repetitive operation cycle
09/04/1984CA1173937A1 Heat control device for a wood or coal burning stove
08/1984
08/28/1984CA1173343A1 Combustion appliance with safety device
08/21/1984CA1173133A1 Control circuit for a liquid fuel combustion apparatus
08/21/1984CA1173129A1 Burner flame detection
08/21/1984CA1173009A1 Wax-encased butane safety candle
08/16/1984WO1984003163A1 Method and apparatus for monitoring unburned particulate accumulation in the exhaust duct of a combustion system
08/14/1984US4465455 Start-up/shut-down for a hydrogen gas burner
08/14/1984CA1172528A1 Method for maximizing the reduction efficiency of a recovery boiler
08/07/1984US4463773 Safety shut-off valve
08/07/1984US4463594 Wide-range temperature operating system for combustion gas oxygen sensor, and method
08/07/1984CA1172339A1 Temperature control system with night setback programming as a function of temperature conditioning load
07/1984
07/31/1984US4463260 Flame detector
07/31/1984CA1171965A1 Steam generator on-line efficiency monitor
07/31/1984CA1171688A1 Method and apparatus for determining the heat content of gaseous fuels
07/24/1984US4461615 Combustion control device
07/17/1984US4460331 Fume incineration for paint drying oven
07/17/1984US4460329 Power vent and control for furnace
07/17/1984US4460125 Wall thermostat and the like
07/17/1984US4459923 Method and apparatus for efficiently controlling the incineration of combustible materials in a multiple hearth furnace system
07/17/1984CA1171156A1 Bilevel flame signal sensing circuit
07/17/1984CA1170972A1 Safety apparatus and method for using same for preventing explosive failure of a high pressure combustion furnace
07/10/1984US4459099 Fuel and ignition control
07/10/1984US4459097 Fuel burner control apparatus
07/03/1984US4457701 Control circuit for a semi-conductor power element and application to a burner safety device
07/03/1984US4457694 Automatic air-fuel ratio control apparatus
07/03/1984US4457692 To control a fuel burner in a furnace
07/03/1984US4457691 Pulse burners
07/03/1984US4457690 Pulse Burners
07/03/1984US4457291 Power burner system for a food preparation oven
06/1984
06/27/1984EP0111609A1 Ignition and feeding device for gas radiators
06/26/1984CA1169754A1 Open draft hood furnace control using induced draft blower and exhaust stack flow rate sensing
06/19/1984US4455656 Combustion control circuit
06/19/1984US4455589 Electrical control system
06/19/1984US4455487 Fire detection system with IR and UV ratio detector
06/19/1984US4454827 Ignition and control system for fragmented wood-type fuel furnaces
06/13/1984EP0110071A1 Flow regulating device
06/12/1984CA1168901A1 Method and apparatus for determining the wobbe index of gaseous fuels
06/05/1984US4452582 In a heating apparatus
06/05/1984CA1168732A1 Interface control for oil burning appliance with vent damper assembly
05/1984
05/30/1984EP0109696A1 Circuit for fail safe control of a system
05/29/1984US4451227 Flame safeguard sequencer having switch test functions
05/29/1984US4451226 Flame safeguard sequencer having safe start check
05/29/1984US4451225 Flame safeguard sequencer having interlock checking means
05/23/1984EP0109155A1 Solenoid valve with external sensor control
05/22/1984US4449919 Gas combustion apparatus capable of detecting environmental oxygen deficiency
05/22/1984US4449918 Apparatus for regulating furnace combustion
05/16/1984EP0108586A1 Reducing losses in combustion operations
05/16/1984EP0067186B1 Ignition and surveyance device for a heat source with fuel heating
05/15/1984CA1167367A1 Combustion heating system
05/15/1984CA1167334A1 Control system for a boiler and method therefor
05/10/1984WO1984001809A1 Burner supplied with fluid fuel
05/09/1984EP0108032A2 Control device for a fuel-heated heat source
05/09/1984EP0107916A1 Flame control system for heat exchanger
05/08/1984US4447204 Combustion control with flames
05/08/1984CA1167133A1 Selective ultraviolet signal amplifier circuit
05/01/1984US4445841 Combustion control apparatus
05/01/1984CA1166723A1 Load drive control element check circuit
05/01/1984CA1166719A1 Self-checking safety switch control circuit
04/1984
04/24/1984US4444735 Thermal oxidizer and method for operating same
04/24/1984US4444551 Direct ignition gas burner control system
04/24/1984CA1166141A1 Pulse combustion apparatus
04/24/1984CA1166084A1 Stationary flame scanner for tilting burner
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