| Patents for F23N 1 - Regulating fuel supply (5,693) |
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| 06/19/1990 | US4934926 Method and apparatus for monitoring and controlling burner operating air equivalence ratio |
| 06/14/1990 | WO1990006475A1 Improvements in controlled atmosphere equipment |
| 06/13/1990 | EP0372075A1 Combustion control apparatus for fluidized bed boilers |
| 06/12/1990 | US4932430 Adjustable two-stage fluid pressure regulating valve |
| 06/06/1990 | CN1042770A Improvements to devices for controlling and regulating gas supply to burner of boiler or similar |
| 06/05/1990 | US4931011 Control and method for operating a vaporizer burner |
| 06/05/1990 | US4930454 Steam generating system |
| 06/05/1990 | CA1270048A1 Self-correcting micro-processor control system and method for a furnace |
| 05/31/1990 | DE3839632A1 Gas-heating appliance |
| 05/30/1990 | EP0370883A1 Gaseous fuel injection rail for the sequentially operated burner of a gas-fired boiler with variable output |
| 05/30/1990 | EP0370863A1 Devices for controlling and regulating the gas supply of the burner of a boiler |
| 05/29/1990 | US4928721 Fuel control valve construction, parts therefor and methods |
| 05/29/1990 | US4928606 Combustion of low B.T.U./high moisture content fuels |
| 05/29/1990 | US4928604 Control system for pulverized coal fired boiler |
| 05/29/1990 | CA1269614A1 Steam generating system |
| 05/23/1990 | EP0369950A2 Heating installation |
| 05/23/1990 | EP0369541A1 Modulated gas radiator |
| 05/22/1990 | US4927351 Method and system for controlling the supply of fuel and air to a furnace |
| 05/22/1990 | US4927350 Combustion control |
| 05/22/1990 | US4926839 Hot air type heater |
| 05/17/1990 | DE3937290A1 Verfahren und einrichtung zur herstellung eines einer verbrennung zuzufuehrenden brennstoff-verbrennungsluft-gemisches Method and device for manufacturing a combustion of a fuel to be supplied combustion-air-mixture used |
| 05/17/1990 | CA2003114A1 Method for the combustion of liquid or gaseous fuels, device for carrying out this method and heating installation with such a device as well as an air-conditioning system with such a heating installation |
| 05/16/1990 | CA2003021A1 Devices for controlling and regulating the gas supply to the burner of a boiler or similar |
| 05/15/1990 | US4924564 Ultrasonic remote controlled switching device |
| 05/08/1990 | US4923117 Microcomputer-controlled system with redundant checking of sensor outputs |
| 05/08/1990 | US4922861 Multiple-purpose instantaneous gas water heater |
| 05/03/1990 | WO1990004735A1 Fuel control system throttle valve unit |
| 05/03/1990 | WO1990004482A1 Method and device for optoelectronic control of oxygen cutting |
| 05/03/1990 | DE3935942A1 Automatic firing device for gas-fuelled heating equipment - has control of pilot burner valve into automatic control of main burner without additional DC requirements |
| 05/02/1990 | EP0124549B1 Burner supplied with fluid fuel |
| 05/01/1990 | US4921210 Fuel control system, throttle valve unit therefor and methods of making the same |
| 05/01/1990 | US4921161 Fuel control device, fuel control system using the device and method of making the device |
| 05/01/1990 | US4921011 Fuel control valve construction, parts therefor and methods of making the same |
| 05/01/1990 | CA1268527A1 Combustion control system |
| 04/21/1990 | CA2000820A1 Fuel control system, throttle valve unit therefor and methods of making the same |
| 04/19/1990 | DE3834850A1 Fuel feed for a regeneration burner of a diesel particle filter |
| 04/19/1990 | DE3834795A1 Industrieofen Industrial furnace |
| 04/11/1990 | EP0362551A2 Process and system to sustain a constant temperature in a fluidised-bed combustion plant |
| 04/10/1990 | US4915615 Device for controlling fuel combustion in a burner |
| 04/10/1990 | US4915306 On-line pulverizer coordination adjustment for multiple coals |
| 04/05/1990 | DE3833067A1 Process for operating a heat treatment furnace provided with burners |
| 04/03/1990 | US4913647 Air fuel ratio control |
| 04/03/1990 | US4913128 Burner apparatus |
| 03/27/1990 | CA1267204A1 Automotive heating container apparatus |
| 03/21/1990 | EP0358760A1 Combustion control method for fluidized bed incinerator |
| 03/20/1990 | US4909278 Gas flow control system with pilot gas booster |
| 03/07/1990 | EP0356764A1 Method and arrangement for regulating a pulse-controlled burner in a heat-producing installation |
| 03/07/1990 | EP0356690A1 Fuel-fired heat producer |
| 03/06/1990 | US4906178 Self-powered gas appliance |
| 03/01/1990 | DE3923773A1 Microcomputer control for gas-fired central heating boiler |
| 02/28/1990 | EP0356197A1 Process conditions for operation of ignition catalyst for natural gas combustion |
| 02/27/1990 | US4904986 IR flame amplifier |
| 02/27/1990 | US4903901 Pulverized coal flow controller |
| 02/27/1990 | US4903893 Automatic device for controlling the supply of fuel to a heater |
| 02/27/1990 | US4903684 Heater apparatus |
| 02/20/1990 | US4901917 Anticipating dual set-point bistable thermostat |
| 02/08/1990 | DE3925734A1 Monitoring circuit for timing element - provides start monitoring by switching pulse oscillator frequency to higher value |
| 02/07/1990 | CN1039479A Method for operating heater and heater thereof |
| 02/06/1990 | US4898531 Photosensitive control of electrically powered emissive ignition devices |
| 01/31/1990 | EP0352777A1 Apparatus to run a burner with high exit speeds of the gas mixture |
| 01/31/1990 | EP0352620A2 Process and apparatus for regulating the firing power of combustion plants |
| 01/31/1990 | EP0352619A2 Process for regulating the firing power in combustion plants |
| 01/31/1990 | CN1006660B Control device for superheating and scale of fluid heating equipment |
| 01/31/1990 | CN1006658B Gas controller of gas fittings |
| 01/30/1990 | US4896828 For a microprocessor controlled furnace |
| 01/30/1990 | CA1264987A1 Fluidized bed combustion apparatus and method of operating same |
| 01/25/1990 | DE3922778A1 Device for controlling the gas supply to an ignition gas burner |
| 01/24/1990 | EP0352217A2 Process for controlling and supervising a fuel-heated apparatus with the use of at least one microcomputer system, and apparatus to carry out this process |
| 01/18/1990 | DE3922403A1 Gas burner fed with a combustible-gas/air mixture |
| 01/16/1990 | US4893465 Controlling temperature |
| 01/10/1990 | EP0349737A2 Method for driving a heating device, and the heating device |
| 01/09/1990 | US4892476 Apparatus for controlling combustion in heater |
| 01/09/1990 | CA1264253A1 Device at combustion plants for automatical feeding of fuels within the fireplace of the plant |
| 01/03/1990 | EP0349384A1 Method and apparatus for actively controlling combustion instability |
| 01/02/1990 | US4891004 Control of energy use in a furnace |
| 01/02/1990 | US4890581 Method and plant for purifying the exhaust air from a tenterframe or a singer |
| 01/02/1990 | US4890453 Method and apparatus for burning gaseous fuel, wherein fuel composition varies |
| 12/20/1989 | EP0347179A2 Anti-bounce logic for critical loads |
| 12/19/1989 | US4887958 Method and system for controlling the supply of fuel and air to a furnace |
| 12/19/1989 | US4887767 Limit switch control method for a two-stage furnace |
| 12/13/1989 | EP0346135A2 Control system for heating container for use on motor vehicle |
| 12/12/1989 | US4885999 Pulverized coal firing method and equipment therefor |
| 12/06/1989 | EP0344757A2 Control system for pulverized coal fired boiler |
| 12/05/1989 | US4885573 Diagnostic system for combustion controller |
| 11/29/1989 | EP0343660A2 Thermal power regulating apparatus for a solid fuel boiler |
| 11/23/1989 | EP0343128A2 Heating system including an assembly for automatically adjusting the temperature of the heating water |
| 11/23/1989 | EP0342347A2 Method for reducing the effect of deregulating factors for ventilator burners and ventilator burners |
| 11/21/1989 | CA1263164A1 Control of reactants in chemical engineering systems |
| 11/16/1989 | WO1989011064A1 Fuel control device, fuel control system using the device and method of making the device |
| 11/16/1989 | DE3913715A1 Method for regulating the combustion-air and/or burnable-gas supply to a combustion of a burnable-gas/combustion-air mixture and apparatus for carrying out this method |
| 11/15/1989 | EP0341323A1 Apparatus for regulating a gas burner |
| 11/14/1989 | US4880157 Capacity control for integrated furnace |
| 11/08/1989 | EP0340611A2 Device for combustion air supply controlling |
| 11/07/1989 | US4878839 Non-polluting hot gas generating system |
| 11/02/1989 | EP0339135A1 Composite controlling apparatus for a burner |
| 10/31/1989 | US4877395 System control means to preheat waste oil for combustion |
| 10/18/1989 | EP0337408A2 Vaporizing burner and method of operating a vaporizing burner |
| 10/12/1989 | DE3910701A1 Water heater |
| 10/12/1989 | DE3810836A1 Gasbeheizter durchlauf-wassererhitzer A gas-fired continuous flow water heater |
| 10/10/1989 | US4872832 Air controller for burners |