Patents for F23N 3 - Regulating air supply or draught (1,646)
05/1983
05/03/1983CA1145657A1 Method of reducing no.sub.x-emission
04/1983
04/20/1983EP0076911A1 Control device for the movement of a fresh-air damper in a heating boiler
03/1983
03/09/1983EP0073717A1 Tight forced-draught burner with microprocessor regulation
03/08/1983US4375872 Draft control for stoves and furnaces
03/01/1983US4375273 Combustion automatic control system
02/1983
02/09/1983EP0071416A2 A method of operating a combustion apparatus having a fired heater
12/1982
12/28/1982USRE31112 Automatic flue damper
11/1982
11/30/1982US4361272 Thermal damper for rectangular flue
11/30/1982CA1136737A1 Means controlling a flue damper
10/1982
10/20/1982EP0062854A1 Gas-fired water or air heater
10/12/1982US4353351 Solid fuel furnace
10/06/1982EP0061915A1 Burner with an air regulator
09/1982
09/21/1982CA1131995A1 Method and means for controlling the operation of fluidised bed combustion apparatus
09/07/1982US4347869 Hydraulic valve position control system for regulating smokestack exhaust pressure
08/1982
08/31/1982CA1130656A1 Vent control arrangement for combustion apparatus
08/19/1982WO1982002759A1 Method for controlling the emitted heating effect from a furnace which is fired with solid fuel
08/17/1982CA1129742A1 Thermal damper assembly having position controls
07/1982
07/27/1982US4341344 Automatic draft controller
07/20/1982US4340355 Furnace control using induced draft blower, exhaust gas flow rate sensing and density compensation
07/06/1982US4337892 Draft control arrangement for vent of combustion apparatus
06/1982
06/01/1982US4332206 Afterburner for combustion of starved-air combustor fuel gas containing suspended solid fuel and fly ash
05/1982
05/25/1982US4331086 Hot gas recycle for starved-air combustor
05/25/1982US4331085 Exit gas control for flame stabilization and performance tuning of starved-air auger combustor
05/25/1982US4331084 Fuel feed technique for auger combustor
04/1982
04/28/1982EP0050506A2 A burner unit with an air regulator
04/21/1982EP0050105A2 A method and a device for the combustion of solid fuels
03/1982
03/30/1982CA1120799A1 Furnace heat absorption control
03/23/1982US4321030 Fuel ignition and stack damper control circuit
02/1982
02/23/1982US4316420 Furnace heat absorption control
02/16/1982US4315468 Control system for a single auger starved-air combustor
01/1982
01/13/1982EP0043455A2 Automatic control of an exhaust fan and an intake air damper in boilers that burn solid fuels
01/12/1982US4309949 Method of controlling the opacity of the exhaust of the combustion of solid fuel and air in a furnace
01/08/1982EP0034160A4 Flue control.
12/1981
12/29/1981CA1115157A1 Method of burning solid fuel in a closed firebox and a stove for carrying out the method
12/22/1981CA1114734A1 Burner control
12/08/1981CA1114044A1 Automatic flue damper control system
12/08/1981CA1113815A1 Draft control arrangement for combustion apparatus
12/02/1981EP0040736A1 Process for the operation of a gasified-oil burner/heating boiler equipment
11/1981
11/25/1981EP0040373A1 Combustion regulator
11/18/1981EP0039909A2 Starved-air combustor
11/18/1981EP0039908A2 Afterburner for combustion of starved-air combustor fuel gas containing suspended solid fuel and fly ash
11/17/1981US4300460 Method for generating heat from waste fuel
11/12/1981WO1981003216A1 Incinerator for combustible refuse
11/11/1981EP0039579A1 Heating system
10/1981
10/28/1981EP0038694A1 Electronically commutated motors for laundering machines
10/21/1981EP0038193A1 Burner control apparatus
10/20/1981US4295817 Method and means for controlling the operation of fluidized bed combustion apparatus
10/20/1981US4295603 Means controlling a flue damper
10/13/1981US4294401 Draft control arrangement
10/13/1981CA1110499A1 Positive automatic draft control
09/1981
09/23/1981EP0036126A1 Combustion air flow control apparatus for combustion gas users
09/22/1981US4290552 Damper control mechanism
09/16/1981EP0035840A1 Automatic draft controller
09/15/1981US4289271 Damper construction for a gas fired combustion apparatus
09/09/1981EP0035089A1 Device for automatic closure of the draft door
09/08/1981CA1108520A1 Control and closing means for air intake apperture of the oil burner in a heating boiler
09/08/1981CA1108498A1 Solid fuel furnace
09/03/1981WO1981002463A1 Automatic draft controller
08/1981
08/26/1981EP0034160A1 Flue control
08/18/1981US4284235 Vent control arrangement for combustion apparatus
08/18/1981CA1107187A1 Method of at least partially burning a hydrocarbon and/or carbonaceous fuel
07/1981
07/28/1981CA1105826A1 Gas burner device
07/14/1981CA1104879A1 Method and apparatus for generating heat from waste fuel
07/07/1981US4276871 Flue damper and draft regulator
06/1981
06/16/1981US4273526 Automatic damper control
06/09/1981US4272013 Vent control arrangement for combustion apparatus
06/09/1981CA1102901A1 Energy saving flue damper
06/02/1981US4270894 Combination flue and vent damper
05/1981
05/26/1981US4269349 Solid fuel furnace
05/19/1981US4267965 Oil burner control system with flue damper adapter circuit
05/19/1981US4267819 Device for generating an electric output signal in response to the positioning of a mechanical member
05/12/1981US4266929 Fluid actuated damper control apparatus
05/12/1981CA1100820A1 Automatic damper device
05/05/1981US4265394 Flue damper control system
04/1981
04/28/1981US4264296 Control for furnace flue damper
04/21/1981US4262843 Method of and apparatus for controlling the feed amount of air for combustion in a natural draft-type heating furnace
04/21/1981US4262608 Method and apparatus for powered flue products exhaust and preheated combustion air supply
04/07/1981US4260363 Furnace fuel optimizer
03/1981
03/10/1981US4254759 Automatic damper means and controls therefor
03/05/1981WO1981000609A1 Flue control
02/1981
02/10/1981US4249883 Automatic damper device
02/10/1981US4249856 Control apparatus for air intake in oil burners of heating boilers
02/10/1981US4249694 Draft control arrangement
01/1981
01/20/1981US4245779 System for increasing heating efficiency
01/20/1981US4245778 Vent control arrangement for combustion apparatus
01/13/1981US4244685 Means for automatic closing and opening of the air intake duct of an oil burner
12/1980
12/30/1980US4241869 Furnace fuel optimizer
12/09/1980US4237825 Furnace heat absorption control
12/02/1980US4236668 Thermal damper assembly having position controls
11/1980
11/11/1980US4232595 Exhaust system for smokestack
10/1980
10/28/1980CA1088389A1 Device in flue gas dampers
10/14/1980CA1087461A1 Flue damper crank arrangement
09/1980
09/30/1980US4225080 Damper construction for a gas fired combustion apparatus
09/16/1980CA1085681A1 Device for draft control
08/1980
08/19/1980CA1084142A1 Method and apparatus for control of efficiency of combustion in a furnace
07/1980
07/15/1980CA1081826A1 Furnace pressure control
07/15/1980CA1081599A1 Control of forced draught combustion apparatus
06/1980
06/03/1980US4205631 Pressure limiting control for an inlet draft fan in an electric power plant
05/1980
05/27/1980US4204832 Gas burner device
03/1980
03/11/1980US4192310 Device in flue gas dampers
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