| Patents for F23N 3 - Regulating air supply or draught (1,646) |
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| 05/09/2001 | CN2429750Y Pneumatic angular actuating mechanism with two cylinders |
| 05/01/2001 | CA2322342A1 Apparatus for controlling the flow of combustion components to a burner of a boiler |
| 04/18/2001 | CN1291700A Method of adjusting burner characteristic curve |
| 04/11/2001 | EP1091174A1 Method for characteristics adjustment of burners |
| 03/14/2001 | EP1082575A1 Regulating device for a gas burner |
| 01/11/2001 | DE19929891A1 Control for fuel-operated heating device for motor vehicles has secondary control for adapting operation of fuel pump and air intake blower to change in air density |
| 11/23/2000 | DE19921045A1 Boiler system fueled by gas of oil uses frequency converter to supply air control fan provides clean, efficient combustion for central heating installation |
| 07/22/2000 | CA2296866A1 Method and apparatus in the ventilation over a boiler room |
| 07/05/2000 | CN2386335Y Multi-section air supply device for combustion equipment |
| 05/25/2000 | DE19853567A1 Verfahren zur Luftzahlregelung eines vollvormischenden Gasbrenners Method for air speed control of a gas burner vollvormischenden |
| 05/24/2000 | EP1002997A2 Method for controlling a fuel/air ratio of full premix gas burner |
| 04/19/2000 | CN2374831Y Fire coal industrial kiln with air implementing and smoke eliminating system |
| 04/18/2000 | US6050807 Method and apparatus for controlling an amount of air of a gas boiler |
| 04/12/2000 | EP0821777A4 Heating appliance |
| 03/28/2000 | US6041770 Bi-metallic control device |
| 03/22/2000 | CN1247965A Blowing-in technology and equipment for hot blast stove with self gravitational coal feeding and automatic temperatur control |
| 03/21/2000 | US6039560 Low NOx burner and method of controlling recirculation of exhaust gas |
| 03/15/2000 | CN2369093Y Throttle setting ring for methane lamp |
| 03/14/2000 | US6035812 Combustion air shutoff system for a fuel-fired heating appliance |
| 03/02/2000 | DE19846207A1 Vorrichtung und Verfahren zur Einstellung der Drehzahl eines Gebläses einer Gasheizeinrichtung, wie insbesondere einer Gastherme Apparatus and method for adjusting the speed of a fan of a gas heater, in particular a gas boiler |
| 02/23/2000 | EP0981025A2 Device and method for adjusting the rotational speed of a fan of a gas heater, especially a gas boiler |
| 02/03/2000 | DE19824524C1 Regeleinrichtung für Gasbrenner Controller for gas burners |
| 01/26/2000 | EP0812409B1 Controlling a combustion system |
| 01/12/2000 | EP0971169A1 Combustion control method and apparatus for waste incinerators |
| 12/09/1999 | WO1999063273A1 Regulating device for a gas burner |
| 12/09/1999 | CA2334383A1 Regulating system for gas burners |
| 12/07/1999 | US5997278 Apparatus for providing an air/fuel mixture to a fully premixed burner |
| 11/25/1999 | DE19822363A1 Regulator for fuel-air ratio of burners in heaters |
| 11/16/1999 | US5984664 Apparatus for providing an air/fuel mixture to a fully premixed burner |
| 11/16/1999 | US5984663 Gas fueled heating appliance |
| 10/27/1999 | CN2345854Y Long-distance infinitely variable control device for air quantity of boiler blowing machine |
| 10/05/1999 | US5960724 Method for effecting control over a radially stratified flame core burner |
| 06/30/1999 | CN1221099A Method and apparatus for controlling amount of air of gas boiler |
| 06/24/1999 | DE19752839A1 Fuel fired heater for vehicle |
| 06/23/1999 | CN2325665Y Frequency regulation and revolving type pulsation generator |
| 06/02/1999 | EP0832394B1 Apparatus for providing an air/fuel mixture to a fully premixed burner |
| 04/22/1999 | DE19847448A1 Procedure for matching burner-heated heater to air-exhaust system |
| 04/07/1999 | EP0906544A1 A method for effecting control over an rsfc burner |
| 03/16/1999 | US5882185 Apparatus for detecting a head wind in a gas boiler and method thereof |
| 02/23/1999 | US5873356 High efficiency wood pellet stove |
| 02/03/1999 | CN2306406Y Five-way load controllable water-coal fluid gasifying jet nozzle |
| 01/13/1999 | EP0890793A1 Control of fuel supply to a heating apparatus |
| 01/13/1999 | EP0890791A1 Control device for a burner |
| 01/13/1999 | EP0890790A1 Control device, especially a burner automat, for a forced-draught burner |
| 12/10/1998 | DE19825066A1 Operating method for fully pre-mixing ceramic burner |
| 11/25/1998 | CN2298446Y Elevating cover energy saving ring device for kitchen gas stove |
| 11/04/1998 | EP0811131B1 Apparatus for providing an air/fuel mixture to a fully premixed burner |
| 10/14/1998 | CN1195759A Method for stable combustion of gas boiler |
| 10/01/1998 | WO1998043018A1 Combustion control method and apparatus for waste incinerators |
| 09/30/1998 | CN1040039C 恒温气流控制器 Thermostat Air Controls |
| 09/23/1998 | EP0866272A2 Auxiliary air admission regulator |
| 09/16/1998 | EP0864067A1 Device for controlling a gas-air mixture for a gas flame treatment |
| 09/15/1998 | US5806440 Method for controlling an induced draft fan for use with gas furnaces |
| 08/26/1998 | EP0812408B1 Apparatus for providing an air/fuel mixture to a fully premixed burner |
| 08/19/1998 | CN2288359Y Proportion controller of rotary gasifying burner for fuel-oil boiler |
| 08/11/1998 | US5791332 Variable speed inducer motor control method |
| 07/29/1998 | EP0855556A1 Device and method for controlling the rotational speed of a motor |
| 07/23/1998 | WO1998031968A1 Burner for solid fuel and method of controlling the supply of air to a burner |
| 04/01/1998 | EP0832394A1 Apparatus for providing an air/fuel mixture to a fully premixed burner |
| 02/24/1998 | US5720231 Induced draft fan control for use with gas furnaces |
| 02/18/1998 | CN1037478C Single phase electropically commutated motor system and method |
| 02/11/1998 | EP0823774A1 Frequency converter for operating an asynchronous three-phase motor |
| 02/04/1998 | EP0821777A1 Heating appliance |
| 01/28/1998 | EP0820572A1 Process control, method and apparatus |
| 01/20/1998 | US5710725 Process for the position detection of a linearly driven drive system |
| 01/15/1998 | DE19728965A1 Premixing gas burner |
| 12/24/1997 | WO1997048948A1 A method for effecting control over an rsfc burner |
| 12/17/1997 | EP0812409A1 Controlling a combustion system |
| 12/17/1997 | EP0812408A1 Apparatus for providing an air/fuel mixture to a fully premixed burner |
| 12/10/1997 | EP0811131A1 Apparatus for providing an air/fuel mixture to a fully premixed burner |
| 12/09/1997 | US5696430 Circuit, motor, and method generating a signal representing back EMF in an energized motor winding |
| 11/20/1997 | DE19720271A1 Regulation of furnace pressure drop and flue temperature difference |
| 11/06/1997 | DE19712771A1 Automatic combustion control method e.g. for power station boilers |
| 11/05/1997 | CN1164003A Burner controller |
| 11/04/1997 | US5682826 Systems and methods for controlling a draft inducer for a furnace |
| 10/29/1997 | CN1163374A Low nitrogen oxide burner and control method for exhausting gas recycle |
| 10/21/1997 | US5680021 Systems and methods for controlling a draft inducer for a furnace |
| 10/14/1997 | US5676069 Systems and methods for controlling a draft inducer for a furnace |
| 09/23/1997 | US5669373 Thermostatic regulated air flow controller |
| 08/19/1997 | US5658140 Combustion device |
| 07/16/1997 | EP0784190A1 Device for optimizing the efficiency of a gas-fired heat generator |
| 06/05/1997 | WO1997020175A1 Device for controlling a gas-air mixture for a gas flame treatment |
| 05/28/1997 | DE19544179A1 Steuereinrichtung einer Gas-/Luftgemischregelung für eine Gasflammbehandlung Control device of a gas / air mixture control for a gas flame treatment |
| 05/21/1997 | CN2254511Y Energy-saving device for circulation pump of hot water boiler |
| 04/03/1997 | WO1997012307A1 Apparatus for detecting a head wind in a gas boiler and method thereof |
| 04/01/1997 | US5616995 Systems and methods for controlling a draft inducer for a furnace |
| 03/26/1997 | EP0764817A1 Speed control |
| 02/27/1997 | DE19633755A1 Pellet-fired solid fuel stove |
| 01/14/1997 | US5594312 Apparatus having an automatic firing arrangement |
| 01/02/1997 | EP0529042B1 Premix gas burner |
| 12/11/1996 | EP0747632A2 Induced draft fan control for use with gas furnaces |
| 10/24/1996 | WO1996033373A1 Heating appliance |
| 10/03/1996 | WO1996030703A1 Process control, method and apparatus |
| 09/25/1996 | EP0733859A2 Method and device for controlling a heating apparatus |
| 09/25/1996 | EP0733857A2 Control device for a burner with a chamber for the combustion air |
| 09/17/1996 | US5557182 System and methods for controlling a draft inducer to provide a desired operating area |
| 09/17/1996 | US5555876 Chimney safety and control system |
| 08/22/1996 | WO1996025629A1 Controlling a combustion system |
| 08/22/1996 | WO1996025628A1 Apparatus for providing an air/fuel mixture to a fully premixed burner |
| 08/22/1996 | WO1996025627A1 Apparatus for providing an air/fuel mixture to a fully premixed burner |