Patents for F23N 3 - Regulating air supply or draught (1,646)
03/1980
03/11/1980CA1073335A1 Combustor
03/04/1980US4191326 Draft control arrangement for combustion apparatus
02/1980
02/26/1980US4190197 Device for draft control
02/19/1980US4189295 Control for heating apparatus
02/06/1980EP0007893A1 A device for generating an electric output signal in response to the positioning of a mechanical member and an equipment for controlling the draught in a boiler, preferably an oil-fired boiler, including such a device
01/1980
01/29/1980US4185770 Automatic flue damper control system
01/08/1980US4182246 Incineration method and system
01/08/1980US4182245 Method and apparatus for the combustion of crushed solid fuels
12/1979
12/11/1979US4177740 Apparatus for generating heat from waste fuel
11/1979
11/27/1979US4175695 Fail-safe stack damper control system
11/20/1979US4174941 Sleeve and damper for oil burner
10/1979
10/02/1979US4169990 Electronically commutated motor
09/1979
09/18/1979US4167918 Fluid-bed air-supply system
09/11/1979US4167157 Fluid-bed air-supply system
09/04/1979US4166421 Cyclonic furnace
08/1979
08/28/1979US4165833 Automatic flue damper
08/21/1979US4164936 Damper
07/1979
07/31/1979US4162889 Method and apparatus for control of efficiency of combustion in a furnace
07/17/1979US4161387 Detection devices especially for the detection of flames
07/11/1979EP0002702A1 Baking oven comprising multiple compartments heated by hot gas circulation
06/1979
06/26/1979US4159078 Draft control arrangement for combustion apparatus
06/12/1979US4157785 Safety connection for a retrofit flue damper
05/1979
05/22/1979US4155699 Heat saving device for space heating furnace
05/15/1979US4154215 Air damper for open fireplace
04/1979
04/17/1979US4149671 Solid fuel furnace
03/1979
03/13/1979US4144017 Pulverized coal combustor
01/1979
01/30/1979CA1047324A1 Method and apparatus for the combustion of crushed solid fuels
01/02/1979US4132354 Auxiliary air displacement method and unit for furnaces
10/1978
10/10/1978CA1040287A1 Refrigeration system and control therefor
09/1978
09/19/1978US4114805 Thermal damper assembly
07/1978
07/25/1978US4102629 Exhaust stack damper control
07/25/1978US4102627 Draft tell-tale for fired furnaces
05/1978
05/23/1978US4090839 Burner units for fluid fuels
05/23/1978US4090663 Fan control for forced air temperature conditioning apparatus
05/09/1978US4087923 Method of operating an incinerator
09/1977
09/06/1977US4046318 Automatic boiler damper
08/1977
08/02/1977US4039123 Automatic stack damper
06/1977
06/21/1977US4030479 Solid fuel heater with blowback prevention means
05/1977
05/03/1977US4021187 Automatic flue gate
04/1977
04/05/1977US4015546 Apparatus and method for converting refuse to useful energy
03/1977
03/29/1977US4015182 Refrigeration system and control therefor
03/01/1977US4009667 Incinerator for combustible refuse
01/1977
01/25/1977US4005347 Electronically commutated motor and method of making same
10/1976
10/12/1976US3985294 Furnace pressure control
09/1976
09/07/1976US3978883 Device for regulating the combustion air of a furnace, especially with oil- or gasburner and blower for heating installations
01/1976
01/27/1976US3934796 Heating system with fuel saving draft retarder
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