| Patents for F23N 1 - Regulating fuel supply (5,693) |
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| 10/05/1989 | WO1989009367A1 Gas-fired instantaneous water heater |
| 10/03/1989 | US4871113 Vehicle heating container apparatus |
| 10/03/1989 | US4870912 Automatic combustion control method for a rotary combustor |
| 09/19/1989 | US4867191 Solar activated gas light control module |
| 09/13/1989 | EP0332566A1 Control of energy use in a furnace |
| 09/13/1989 | EP0331918A2 Actuating method for a heating apparatus, and heating apparatus |
| 09/13/1989 | CN2044321U Multi-purpose fuel furnace with controllable device |
| 09/12/1989 | US4865540 Air flow measurement device for fluidized bed reactor |
| 08/30/1989 | EP0329984A2 Improved automatic combustion control method for a rotary combustor |
| 08/29/1989 | US4861261 Method of operating a gas-infrared radiator, and the gas-infrared radiator |
| 08/23/1989 | EP0329588A1 Gas valve shut off method and apparatus |
| 08/22/1989 | US4858885 Anti-bounce logic for critical loads |
| 08/16/1989 | EP0327785A1 Control method for a heat source |
| 08/15/1989 | US4856984 Time-delay for automatic reset of furnace |
| 08/15/1989 | US4856982 Apparatus for exhausting combustion gases from a gas water heater |
| 08/09/1989 | EP0327516A1 Device for the automatic control of combustion air flow drawn into forced draught boilers by means of an electroventilator |
| 08/09/1989 | EP0327238A2 Burner firing rate control |
| 08/09/1989 | EP0326880A2 Automatic device for modulating the flow of combustion air and gas in gas heating apparatus |
| 08/02/1989 | EP0326245A2 Fuel burner control system |
| 08/02/1989 | EP0326244A2 Protection means for microcomputer control system |
| 08/01/1989 | US4852797 Process for operating a fuel-operated heater and control arrangement for performing the process |
| 07/27/1989 | WO1989006771A1 Method and apparatus for monitoring and controlling a heat generator of the pulsation combustion type |
| 07/26/1989 | EP0325356A2 Multiple fuel burner control system |
| 07/25/1989 | US4850853 Air control system for a burner |
| 07/25/1989 | US4850852 Gas valve shut off method and apparatus |
| 07/25/1989 | US4850427 Device for controlling overheating and scaling in an apparatus for heating a fluid and apparatus equipped with such a device |
| 07/25/1989 | US4850310 Boiler control having reduced number of boiler sequences for a given load |
| 07/25/1989 | CA1257832A1 System and process for controlling the flow of air and fuel to a burner |
| 07/19/1989 | EP0324438A2 Combustion of low BTU/high moisture content fuels |
| 07/19/1989 | EP0169870B1 Monitoring of burner operation |
| 07/11/1989 | US4846668 Heating stove which includes a pyrolysis gasifier |
| 07/04/1989 | CA1256963A1 Adaptive microprocessor control system and method for providing high and low heating modes in a furnace |
| 07/04/1989 | CA1256790A1 Combustion burner |
| 06/28/1989 | EP0322132A1 Fuel burner apparatus and a method of control |
| 06/28/1989 | EP0321858A2 Combustion apparatus |
| 06/27/1989 | US4842190 Control circuit for a forced-air heating system |
| 06/22/1989 | DE3840983A1 Gas-fired appliance |
| 06/14/1989 | EP0320082A1 Method and apparatus for a flame sensing digital primary safety control for fuel burning devices |
| 06/14/1989 | EP0319658A2 Apparatus for controlling or regulating gas mixtures |
| 06/13/1989 | US4838295 System for controlling mass flow rates of two gases |
| 06/08/1989 | DE3740047A1 Method and device for controlling the combustion air for a burner |
| 06/07/1989 | EP0319468A2 Method and installation for the purification of exhaust air from a tenter or a singing machine |
| 06/06/1989 | US4836445 Vehicle heating system |
| 06/06/1989 | CA1255170A1 Purge and prime fuel delivery system and method |
| 05/31/1989 | EP0318380A1 Modulating gas-feeding mechanism for a burner of an apparatus of the gas boiler kind |
| 05/31/1989 | EP0317615A1 Heating stove which includes a pyrolysis gasifier |
| 05/30/1989 | US4835670 Microcomputer fuel burner control having safety interlock means |
| 05/30/1989 | US4834644 Premix oven pulsing control system |
| 05/30/1989 | US4834284 Hot water control |
| 05/24/1989 | EP0317178A1 Gas burner |
| 05/24/1989 | EP0316454A1 Gas-air ratio control valve for gas burners |
| 05/23/1989 | US4832259 Hot water heater controller |
| 05/18/1989 | WO1989004442A1 Instantaneous hot water system |
| 05/18/1989 | DE3836869A1 Method of checking a gas valve and arrangement for carrying out the method |
| 05/16/1989 | US4830601 Method for the control of a burner equipped with an injector nozzle and an arrangement for executing the method |
| 05/16/1989 | US4830287 Pulverized coal flow control system |
| 05/16/1989 | US4830039 Fuel control valve construction, parts therefor, and methods of making the same |
| 05/10/1989 | EP0315055A1 Gas valve-testing method and apparatus for carrying out the method |
| 05/10/1989 | EP0314722A1 Oven, in particular for burning solid fuels. |
| 05/09/1989 | US4827855 Method of operating a smokeless pyrolysis furnace with ramp and soak temperature control system |
| 05/03/1989 | CN1004101B Combustion burner |
| 04/27/1989 | DE3818363A1 Method and apparatus for gas-air quantity control for gas blowpipes |
| 04/25/1989 | US4825353 Control of reactants in chemical engineering systems |
| 04/12/1989 | EP0311488A1 Gas boiler regulation device |
| 04/11/1989 | US4819587 Multiple-purpose instantaneous gas water heater |
| 04/06/1989 | DE3833171A1 Device for measuring the air flow rate through the air passage of a burner |
| 04/05/1989 | EP0310233A2 Combustion control systems |
| 04/05/1989 | EP0218602B1 Burner for fuel gases, especially for boilers |
| 03/28/1989 | US4815965 Monitoring and control of a furnace |
| 03/28/1989 | US4815524 Control system for a furnace operating in the continuous blower mode |
| 03/22/1989 | EP0307621A1 Process for the catalytic combustion of gases in an oxidation reactor at a controlled pressure |
| 03/21/1989 | US4813596 Fuel control device, fuel control system using the device and method of making the device |
| 03/15/1989 | EP0306695A2 Hot gas generating device using thermal afterburning |
| 02/22/1989 | EP0303896A1 Incinerator combustion fuel control |
| 02/16/1989 | DE3826279A1 Gas burner |
| 02/08/1989 | EP0302467A1 Incinerator combustion air control |
| 02/07/1989 | US4802507 Gas flow control device |
| 01/31/1989 | US4800846 Method of controlling a fluidized bed boiler |
| 01/26/1989 | WO1989000661A1 Combustion control apparatus for fluidized bed boilers |
| 01/24/1989 | US4799437 Heating stove which includes a pyrolysis gasifier |
| 01/18/1989 | CN1030470A Heating stove which includes pyrolysis gasifier |
| 01/17/1989 | US4798971 Apparatus for controlling device start up and off/on running periods |
| 01/17/1989 | US4798531 Process and apparatus for the control of the air and fuel supply to a plurality of burners |
| 01/11/1989 | EP0298149A1 Flow regulating device |
| 01/11/1989 | CN1030294A Method of controlling fluidized bed boiler |
| 01/10/1989 | US4797089 System control means to preheat waste oil for combustion |
| 01/05/1989 | DE3721153A1 Method for the thermostatically controlled matching of the heat output of a thermal radiator, as well as device for carrying out the method |
| 01/03/1989 | US4795340 Single-leaf valve for gas-fired boilers |
| 01/03/1989 | US4794870 Modulating method and system for kiln firing |
| 12/27/1988 | US4793799 Photovoltaic control system |
| 12/27/1988 | US4793798 Burner apparatus |
| 12/27/1988 | US4793512 Apparatus and method for feeding particulate material such as coal and other bulk materials |
| 12/27/1988 | US4793268 Method for controlling additive feed in a boiler system |
| 12/20/1988 | US4792089 Self-correcting microprocessor control system and method for a furnace |
| 12/15/1988 | WO1988009903A1 Heating stove which includes a pyrolysis gasifier |
| 12/15/1988 | DE3818049A1 Device for controlling the fuel feed to a fuel-fired device |
| 12/01/1988 | WO1988009463A1 Gas-air ratio control valve for gas burners |
| 11/29/1988 | US4787554 Firing rate control system for a fuel burner |
| 11/29/1988 | US4787414 Fuel control valve construction, parts therefor and methods of making the same |
| 11/22/1988 | US4785846 Gas control apparatus with a pressure regulator |