| Patents for F23N 3 - Regulating air supply or draught (1,646) |
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| 08/22/1996 | WO1996025626A1 Apparatus for providing an air/fuel mixture to a fully premixed burner |
| 08/22/1996 | CA2212659A1 Apparatus for providing an air/fuel mixture to a fully premixed burner |
| 08/22/1996 | CA2212629A1 Apparatus for providing an air/fuel mixture to a fully premixed burner |
| 08/22/1996 | CA2212501A1 Apparatus for providing an air/fuel mixture to a fully premixed burner |
| 08/22/1996 | CA2212499A1 Controlling a combustion system |
| 07/31/1996 | EP0724122A1 Combustion device |
| 07/18/1996 | DE19548800A1 Air supply control to burner |
| 07/17/1996 | CN1127033A Heater for use in vehicles |
| 07/11/1996 | WO1996021128A1 Vehicle heater with combustion-air fan control |
| 07/04/1996 | DE4447286A1 Fahrzeugheizgerät mit geregeltem Verbrennungsluftgebläse Vehicle heater with controlled combustion air blower |
| 06/26/1996 | EP0718556A1 Method for determining the position of a linear-driven drive system |
| 06/11/1996 | US5524556 Induced draft fan control for use with gas furnaces |
| 05/07/1996 | US5513979 Control or regulating system for automatic gas furnaces of heating plants |
| 05/01/1996 | EP0708903A1 Heater for use in vehicles |
| 04/24/1996 | EP0708298A2 Heating appliance |
| 03/06/1996 | CN1118187A Thermostat |
| 02/27/1996 | CA2061115C Advanced proof-of-rotation switch |
| 12/19/1995 | USRE35124 Control system, electronically commutated motor system, draft inducer apparatus and method |
| 12/06/1995 | EP0685052A1 Thermostat |
| 10/24/1995 | CA2013302C Method and apparatus for burning liquid fuel |
| 10/17/1995 | US5458011 Component test method for variable speed motors |
| 09/21/1995 | DE4410735A1 Asynchronous motor speed control, esp. for combustion applications |
| 09/05/1995 | US5447125 Heat-activated flue damper actuator |
| 06/29/1995 | WO1995017631A1 Heat-activated flue damper actuator |
| 05/23/1995 | US5418438 In a heating, ventilating and air conditioning system |
| 04/18/1995 | US5408573 Integrated motor controller |
| 03/30/1995 | DE4332981A1 Automatically opening secondary-air opening during the burning of wood in fireplaces by using a bimetallic spring |
| 03/28/1995 | US5400962 System and method for reduced purge operation of a forced draft burner in a water heater |
| 03/15/1995 | EP0643264A1 Method for controlling the flame quality of a atmospheric gas burner and gas burner for carrying out this method |
| 02/28/1995 | US5393221 Gas-fired water heater |
| 01/26/1995 | WO1995002790A1 Heater for use in vehicles |
| 01/26/1995 | CA2167204A1 Heater for use in vehicles |
| 12/27/1994 | US5376866 Motor controls, refrigeration systems and methods of motor operation and control |
| 12/14/1994 | CN1096404A Single phase electropically commutated motor system and method |
| 12/08/1994 | DE4316315A1 Burner |
| 11/23/1994 | EP0358760B1 Combustion control method for fluidized bed incinerator |
| 11/09/1994 | EP0623785A1 Control device for burners of heating installations |
| 09/29/1994 | DE4408801A1 Gas-blast burner |
| 09/21/1994 | EP0616169A1 Air throttling device for forced draught burner, especially for multistage burner |
| 09/15/1994 | DE4309146C1 Secondary-air inlet device at the exhaust-gas duct of a fireplace |
| 09/14/1994 | EP0615095A1 Automatic burner |
| 09/14/1994 | EP0506691B1 Burner for motor vehicle heater |
| 09/13/1994 | US5346126 Device for controlling heating efficiency of water heater |
| 09/07/1994 | EP0614048A1 Device with automatic burner |
| 09/07/1994 | EP0614047A1 Electronic control device for gas burners of heating installations |
| 09/07/1994 | EP0614046A1 Control device for gas burner automats of heating installations |
| 09/01/1994 | WO1994019635A1 Thermostat |
| 09/01/1994 | CA2155981A1 Thermostatic regulated air flow controller |
| 08/31/1994 | EP0613234A1 Single phase electronically commutated motor system and method |
| 08/31/1994 | EP0612960A1 Draft inducer air flow control |
| 08/23/1994 | CA2115854A1 Single phase electronically commutated motor system and method |
| 08/18/1994 | DE4404705A1 Apparatus for regulating the draught for a fireplace |
| 07/30/1994 | CA2088407A1 Control system for dual phase combustion devices |
| 06/29/1994 | EP0604388A1 Device for controlling the combustion air supply for a stove |
| 06/28/1994 | US5325037 Motor control system and method for a fuel burner |
| 06/01/1994 | EP0372075B1 Combustion control apparatus for fluidized bed boilers |
| 05/26/1994 | DE4239423A1 Hydraulic drive for tension lever flap valve - has two piston cylinder units attached to operating levers of spur wheel gear comprising two drive and one driven pinions. |
| 05/17/1994 | CA1329645C Fail-safe potentiometer feedback system |
| 04/05/1994 | US5299554 Burner for a motor vehicle heater |
| 03/08/1994 | US5292063 Damper actuator |
| 02/08/1994 | US5284127 Device for regulating the strength of the flue draught in heating appliances |
| 01/05/1994 | DE4311533A1 Control circuit for commutatorless DC motor - uses two different types of coupling circuit for operating switch set connected in full-bridge configuration |
| 11/16/1993 | US5261811 Burner control system and method |
| 11/03/1993 | CN1078034A Periodic light-control rotary combustion system apparatus for manual boiler |
| 09/29/1993 | EP0562144A1 Furnace pressure control method |
| 09/14/1993 | US5244147 Furnace pressure control method |
| 08/18/1993 | EP0555794A1 Automatic variator of comburent air flow in a burner |
| 07/15/1993 | DE4217150C1 Air-fuel heater for a car - has fuel and pressure-controlled air supply to burner, with combustion gases exhausting through heat exchanger |
| 07/13/1993 | US5227704 Motor controls, refrigeration systems and methods of motor operation and control |
| 07/06/1993 | CA2003736C Heater for motor vehicle |
| 06/29/1993 | US5222888 Advanced proof-of-rotation switch |
| 06/03/1993 | DE4139475A1 Flue for fireplace with forced draught - has circular opening in side wall covered by rotatable sliding plate which is moved by motor and controls degree of draught |
| 05/19/1993 | EP0542362A2 Device for regulating the flue draught strength in heating appliances |
| 05/19/1993 | DE4137778A1 Small solid fuel combustion unit control - involving electric heating of afterburner controlled in accordance with outlet gas temp. and oxygen content measurements. |
| 05/15/1993 | CA2082895A1 Device for regulating the flue draught strength in heating appliances |
| 03/26/1993 | CA2052226A1 Adjustable air injectors in furnaces, especially in boiler furnaces |
| 03/03/1993 | EP0529248A1 Metering device |
| 03/03/1993 | EP0529042A1 Premix gas burner. |
| 02/23/1993 | US5189392 Heating system shut-off system using detector and existing safety switch or fuel valve |
| 02/18/1993 | DE4209267C1 High pressure cleaning device with motor driven pump - uses cooling air stream, entering branched line after flow over pump and fan driving motor |
| 01/05/1993 | US5176544 Shape memory actuator smart connector |
| 12/30/1992 | EP0519955A1 Device for the inflow control of gas, steam or other fluids |
| 10/01/1992 | WO1992016796A1 Premix gas burner |
| 09/29/1992 | CA1307977C Method of controlling combustion in fluidized bed incinerator |
| 09/17/1992 | DE4207814A1 Gas burner nozzle and mixing tube combination - has annular gas nozzle aligned with axis of mixing tube |
| 08/25/1992 | US5141152 Flue gas closure system |
| 08/05/1992 | CN1017745B Method of controlling combustion in fluidized bed incinerator |
| 07/29/1992 | EP0496043A1 Heating stove for solid fuels |
| 06/23/1992 | US5125067 Motor controls, refrigeration systems and methods of motor operation and control |
| 06/10/1992 | CN2106957U Oxygen content detector for boilers |
| 05/12/1992 | US5112217 Method and apparatus for controlling fuel-to-air ratio of the combustible gas supply of a radiant burner |
| 04/29/1992 | EP0482310A1 Butterfly valve-driving for closure of smoke gas or discharge air conduits |
| 04/22/1992 | EP0481040A1 A method of regulating a gas-fired heat-generating appliance, and the relative appliance |
| 04/15/1992 | CN1016264B Method and automatic optimization system of combustion processes in thermal objects |
| 04/01/1992 | EP0478510A1 Process and apparatus for controlling the comburent/combustible ratio, particularly in boilers |
| 03/26/1992 | DE4030234A1 Air flow regulator for multistage premix burner - has air control flap operated by gas flow from multiple inlets |
| 02/06/1992 | DE4023363A1 Burner with air flow regulation - has sliding sleeve to control output from fan which supplies combustion air |
| 01/26/1992 | CA2043577A1 Method and apparatus of controlling fuel-to-air ratio of the combustible gas supply of a radiant burner |
| 12/24/1991 | US5075608 Control system, electronically commutated motor system, draft inducer apparatus and method |
| 12/10/1991 | US5071064 Shape memory actuator smart connector |