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| Number | Title | Issue Date |
| 8070482 | Combustion control system of detection and analysis of gas or fuel oil flames using optical devices A system of detection and analysis of gas or fuel oil flames using optical devices, consisting of a sensor that targets the flame's reaction zone through an optical access, a processing and control module, and an actuator, responsible for controlling the damper. The... | 12/06/2011 |
| 7878795 | Burner ignition controller A fuel burner controller and associated method is configured to establish fuel combustion in a fuel burner and to recycle a fuel combustion initiation process when a loss of combustion is detected and a call for heat is asserted. The controller is further configured... | 02/01/2011 |
| 7854607 | Ignition control with integral carbon monoxide sensor A control for controlling the operation of a fuel-fired heating appliance is provided that include a sensor capable of sensing the presence of carbon monoxide gas and providing an output indicative of the level of carbon monoxide gas. The control further includes a ... | 12/21/2010 |
| 7581946 | Ignition control with integral carbon monoxide sensor A control for controlling the operation of a fuel-fired heating appliance is provided that include a sensor capable of sensing the presence of carbon monoxide gas and providing an output indicative of the level of carbon monoxide gas. The control further includes a ... | 09/01/2009 |
| 7371065 | Apparatus and method for the controlled production of nano-soot particles In order to provide an apparatus for the controlled production of nano-soot particles, a pore burner and a mixing device for the production of a pre-mixture of fuel and oxidizing agent are provided, wherein the mixing device is coupled to the pore burner so that the... | 05/13/2008 |
| 7318381 | Methods and systems for determining and controlling the percent stoichiometric oxidant in an incinerator Methods and systems for measuring and controlling the percent stoichiometric oxidant in the pyrolyzing section of incinerators are provided. The methods and systems rely on measurements of the oxygen concentration and temperature of the gases within the pyrolysis se... | 01/15/2008 |
| 7319577 | Safety shut off for water heaters A water heater includes a gas valve and a solenoid to operate the gas valve. A thermocouple of the water heater is heated by a pilot light to provide a current source to maintain the gas valve in an open position. A sensor activated switch switches current from a se... | 01/15/2008 |
| 7300278 | Gas fired portable unvented infrared heater A portable heater adapted for use in a recreational enclosure or temporary work enclosure includes a housing having an air inlet on the lower front face. A gas supply is at least partially enclosed by the housing which provides propane to the mouth of a burner ventu... | 11/27/2007 |
| 7293388 | Adaptive control system In an insect lure and trap, a system for generating a carbon dioxide attractant has a combustion chamber in which carbon dioxide is generated by means of an exothermic reaction from a gaseous fuel rich in carbon. A container contains a pressurized supply of said fue... | 11/13/2007 |
| 7280891 | Signal processing technique for improved flame scanner discrimination A signal processing technique that allows the flame signal from a first source of flame and the flame signal from a second source of flame to be discriminated from each other when only both the first and second flame signals are viewed by the same flame scanner. The... | 10/09/2007 |
| 7269952 | Method and apparatus for gas turbine dry low NOx combustor corrected parameter control A method for controlling a combustor of an engine, the combustor having a fuel to oxidant ratio, the fuel to oxidant ratio being defined as a ratio of an amount of fuel supplied to the combustor divided by an amount of oxygen in an oxidant stream supplied to the com... | 09/18/2007 |
| 7237377 | Method and apparatus for gas turbine dry low NOx combustor corrected parameter control A method for controlling a combustor of an engine, the combustor having a fuel to oxidant ratio, the fuel to oxidant ratio being defined as a ratio of an amount of fuel supplied to the combustor divided by an amount of oxygen in an oxidant stream supplied to the com... | 07/03/2007 |
| 7238020 | Device for controlling hydrogen flow of hydrogen storage canister A control device for controlling hydrogen flow of a hydrogen storage canister accommodated in a canister containing chamber includes a heating device which is connected to a heating fuel storage tank via a heating fuel supplying pipeline for conveying a heating fuel... | 07/03/2007 |
| 7229278 | Flame quality and fuel consumption monitoring methods for operating a primary burner A control system for controlling an oil or gas burner heating system comprises an ultraviolet flame sensor. Flame is detected and preanalyzed by the control for flame quality factors reflecting the degree of drift from optimal operating conditions including the aver... | 06/12/2007 |
| 7217121 | Method and apparatus for improved process control in combustion applications This invention relates to a method and apparatus for improved process control in combustion applications, and particularly those relating to the steelmaking industry. An apparatus is provided for process control in a combustion application comprising a laser to tran... | 05/15/2007 |
| 7161678 | Systems and methods for determining the existence of a visible plume from the chimney of a facility burning carbon-based fuels Excess oxygen in the combustion process of a facility that bums carbon-based fuels may cause a visible plume in the atmosphere at the stack of the facility. Traditional optical based opacity monitors may be unable to detect this plume or the plume may form at a loca... | 01/09/2007 |
| 7123020 | System and method of fault detection in a warm air furnace A fault detection system and method for a warm air furnace is provided. A sensing circuit connected to an AC power source measures a level of current consumption during several points in the warm air furnace operating sequence. The measured level of current consumpt... | 10/17/2006 |
| 7112059 | Apparatus and method for shutting down fuel fired appliance An apparatus is provided for controlling the operation of a gas fired appliance having a gas valve circuit for enabling the flow of gas to the burner. The apparatus comprises a sensor capable of detecting the presence of flammable vapor, a switching means in series ... | 09/26/2006 |
| 7104460 | Method and controller for determining carbon dioxide emissions from a recirculating air heater A method of determining the amount of air flowing through an outside air damper of a recirculating air heater includes the steps of sensing an amount of airflow flowing through the damper, recording the amount of airflow and a damper position value at a plurality of... | 09/12/2006 |
| 7096722 | Method and apparatus for detecting combustion instability in continuous combustion systems An apparatus and method to sense the onset of combustion stability is presented. An electrode is positioned in a turbine combustion chamber such that the electrode is exposed to gases in the combustion chamber. A control module applies a voltage potential to the ele... | 08/29/2006 |
| 7083408 | Apparatus and method for shutting down a fuel fired appliance An apparatus comprising a switch, a fuse, and a sensor that is capable of detecting the presence of flammable vapors and responsively changing in resistance, wherein the sensor enables the switch to supply current to the fuse which opens to shut down an appliance bu... | 08/01/2006 |
| 7051683 | Gas heating device control A method, and a system using the method, of controlling a heating device. The method includes combusting a mixture of fuel and air in a sealed combustion chamber thereby forming a reaction zone in which the fuel reacts with the air, and also forming outside of the r... | 05/30/2006 |
| 7028642 | Water heater having raw fuel jet pilot and associated burner clogging detection apparatus A radiant gas burner within the combustion chamber of a water heater has a pilot flame created using a raw fuel jet that impinges on an interior surface portion of a flame holding outer burner wall portion, representatively of a metal wire mesh material, and is mixe... | 04/18/2006 |
| 7021925 | Safety module for fuel-burning appliance, and appliance using such a module The invention provides a safety module for connection to a fuel-burning appliance. The safety module connects to the existing circuitry of the appliance and triggers an alarm response when certain predetermined conditions are met. The safety module includes a CO sen... | 04/04/2006 |
| 7017518 | Device and method for reducing spillage in and around a dog bowl A device and method for creating an improved feeding bowl assembly by attaching a guard device to a pet feeding bowl. The guard device is a bowl shaped guard that is positioned on top of a traditional pet feeding bowl. The guard device prevents food or water from be... | 03/28/2006 |
| 6953335 | Method and apparatus for reducing nitrogen dioxide (NO2) emissions in a flueless heating appliance An apparatus for reducing nitrogen dioxide emissions in a flueless heating appliance or heater includes a heat-exchanger for exchanging heat contained in fumes produced by the combustion of a fuel in the heating appliance. A heating appliance or heater without a fum... | 10/11/2005 |
| 6908300 | Apparatus and method for shutting down a fuel fired appliance An apparatus comprising a switch, a fuse, and a sensor that is capable of detecting the presence of flammable vapors and responsively changing in resistance, wherein the sensor enables the switch to supply current to the fuse which opens to shut down an appliance bu... | 06/21/2005 |
| 6783354 | Low NOX combustor for a gas turbine A combustion system for a gas turbine includes a steam reformer and a combustor connected in series. A portion of the incoming fuel is diverted to the steam reformer, the balance passing directly to the combustor. The effluent from the steam reformer, which effluent... | 08/31/2004 |
| 6780378 | Method for measuring concentrations of gases and vapors using controlled flames A method and apparatus for measuring the concentration of at least one gaseous component and/or vaporous component of a gaseous mixture in which a controlled sensor flame is introduced into the gaseous mixture and at least one narrow spectral band in the controlled ... | 08/24/2004 |
| 6776125 | Methods of operating a fuel-fired heating apparatus A gas-fired water heater has a combustion chamber with a bottom wall defined by a perforated flame arrestor plate forming a portion of a flow path through which combustion air may be supplied to a burner structure within the combustion chamber. During firing of the ... | 08/17/2004 |
| 6766771 | Fuel-fired water heater with dual function combustion cutoff switch in its draft structure A fuel-fired power vented heating appliance, representatively a water heater, has, in its draft structure, a single thermal or other type of cutoff switch which serves the dual function of preventing (1) the creation of an unacceptably high level of carbon monoxide ... | 07/27/2004 |
| 6752621 | Method for setting the performance of gas-operated cooking devices as well as a cooking device using this method A method for setting the performance of a gas operating cooking device by setting a complete combustion of the fuel gas/air mixture supplied to the gas burner of the cooking device. The method includes determining a calorific output of the gas burner and the air rat... | 06/22/2004 |
| 6745708 | Method and apparatus for improving the efficiency of a combustion device A method and/or apparatus for efficiently operating a combustion device including at least one control zone, with each control zone including at least one burner assembly, is disclosed and includes a) individually supplying fuel to each of the burner assemblies in e... | 06/08/2004 |
| 6648627 | Gas appliance with a burner in the lower part, equipped with safety means, and resulting water heater The invention relates to a gas appliance (1), with a gas burner (4) in the lower part of the said appliance and in the vicinity of an underlying surface (6), further comprising: an atmosphere control pilot light (12) fitted with a primary air inlet orific... | 11/18/2003 |
| 6565352 | Smoke density monitor A smoke density monitor for mounting on a ship smokestack. The smoke density monitor provides a transmitter head and a receiver head mounted to a smokestack. The transmitter head and receiver head are optically connected with a density monitor by means of... | 05/20/2003 |
| 6551094 | Method and device for determining a soot charge in a combustion chamber A method for determining a soot charge in a combustion chamber includes measuring a spatial distribution of at least one parameter characteristic of a combustion by monitoring a flame in the combustion chamber. The at least one parameter allows a conclusi... | 04/22/2003 |
| 6547554 | Combustion system, a method of adapting the performance of the combustion system and a cooking device utilizing the combustion system A combustion system and a method for adapting the combustion system to utilize a first fuel when the system has been designed for a second fuel. The method and system provide inlets for adding air to lower the quality of the first fuel to the quality of t... | 04/15/2003 |
| 6468069 | Automatically optimized combustion control Systems and methods are disclosed that optimize the combustion process in various reactors, furnaces, and internal combustion engines. Video cameras are used to evaluate the combustion flame grade. Depending on the desired form, standard or special video ... | 10/22/2002 |
| 6435113 | Incineration apparatus and method which suppress generation of dioxins A method for decreasing the concentration of a chlorinated aromatic compound in the exhaust gas from a combustion furnace. The exhaust gas from the combustion furnace is passed through a bag filter. The concentration of the chlorinated aromatic compound i... | 08/20/2002 |
| 6389330 | Combustion diagnostics method and system Combustion variables are diagnosed using sensors to measure turbulence in the post-flame zone as well as in the flame envelope of a combustor. Output signals from the sensors are processed and a set of statistical functions are calculated which are correl... | 05/14/2002 |
