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| Number | Title | Issue Date |
| 7931467 | Method for determining an air ratio in a burner for a fuel cell heater, a fuel cell heater A method for determining an air ratio in a burner for a fuel cell heater having an ionization sensor in the range of the flame and which is fed with two different gases for combustion, one of said gases being obtained from a gas treatment, wherein a measurement sign... | 04/26/2011 |
| 7802984 | System and method for combustion-air modulation of a gas-fired heating system A system and method for providing a gas-fired heating system with improved thermal efficiency includes modulating a quantity of combustion air flow to a combustion mixture in response to a measured change in fuel-gas pressure using a DC (e.g., brushless) motor to dr... | 09/28/2010 |
| 7396228 | Fuel gas calorie control method and device Calories of a first mixed gas are predicted by calculations based on the mixed flow rate of a blast furnace gas and the mixed flow rate of a converter gas measured by flow meters, and preset blast furnace gas calories and converter gas calories; the flow rate ratio ... | 07/08/2008 |
| 7335016 | Combustion chamber, particularly for vehicle heating device An evaporative burner, particularly for a vehicle heating device, includes a combustion chamber housing and, in the combustion chamber housing, an evaporative medium for receiving liquid fuel and for delivering fuel vapor into a combustion chamber. A heating coil ar... | 02/26/2008 |
| 7314370 | Automated operation check for standing valve A method of verifying proper operation of an electromagnetic valve. The method includes providing a mechanism to effect opening of the valve, verifying that the valve opened as a result of employing the mechanism to effect opening of the valve and after verifying th... | 01/01/2008 |
| 7306456 | Autocontrol burner and a combustion control method A combustion control method for a burner comprises: the fuel supplying means outputs a given amount of fuel oil to the fuel oil atomizing means; the fuel atomizing means sprays fuel atomized gas; said gas is ignited by the igniter; the amount of air is sent to facil... | 12/11/2007 |
| 7241135 | Feedback control for modulating gas burner A modulating gas burner control system using closed loop feedback from a flame rod which provides a signal that varies with gas pressure and which provides combustion air fan control to accurately control the heat from the system without use of expensive control val... | 07/10/2007 |
| 7048536 | Temperature-compensated combustion control The “fuel-air pressure ratio” combustion control system for maintaining a selected fuel-air ratio for a combustion apparatus supplied with air at a substantially constant volumetric rate is improved by means for adjusting the flow rate of fuel in relation to tem... | 05/23/2006 |
| 7025588 | Utility lighter The present invention relates to a lighter including a housing having a handle at one end and a nozzle at another end and including a fuel supply connected for selective fluid communication with the nozzle. A release member is cooperatively connected to the housing ... | 04/11/2006 |
| 7008219 | Boil-off gas processing system using electric heater A boil-off gas processing system for reliably burning a boil-off gas. The system processes a boil-off gas produced from a liquid hydrogen tank which is built in a hydrogen fueled vehicle. The system includes a mixing device for introducing air into a discharge passa... | 03/07/2006 |
| 6991451 | Air bleed apparatus for a burner unit A control apparatus simultaneously controls flow rates of a first fluid and a second fluid. The apparatus comprises a control valve for controlling the flow rate of the first fluid and a bleed device for bleeding the second fluid. The control valve is operatively co... | 01/31/2006 |
| 6984122 | Combustion control with temperature compensation Combustion control systems for maintaining a selected fuel-air ratio for a combustion apparatus supplied with air at a substantially constant volumetric rate are improved by means for adjusting the flow rate of fuel in relation to temperature fluctuations of the air... | 01/10/2006 |
| 6968692 | Fuel premixing module for gas turbine engine combustor A fuel-air premixing module is designed to reduce emissions from a gas turbine engine. In one form, the premixing module includes a central pilot premixer module with a main premixer module positioned thereround. Each of the portions of the fuel-air premixing module... | 11/29/2005 |
| 6960075 | Flare stack operating on Coanda principle A flare stack operating on the Coanda principle in which provision is made for cooling of a Coanda body terminating the gas flue by a flow of cooling fluid within the Coanda body. The pressure in the flare stack is held constant by a mechanism disposed outside of th... | 11/01/2005 |
| 6955535 | Array for an automatic firing device for a gas or oil burner Automatic operation of a blower burner (5) suitable for liquid and/or gaseous fuels for the generation of heat energy in a furnace (1) is monitored by an automatic regulating device (35). The automatic regulating device (35) comprises an ... | 10/18/2005 |
| 6951455 | Gas burner A method and a system for implementing a burner for burning ignitable gas mixed with air for providing heat. Pressurized ignitable gas and forced air are conducted from inside a distribution chamber through minor and major channels running through a burner head of t... | 10/04/2005 |
| 6945770 | Fuel metering pump of a heating equipment, particularly water or air heating equipment of a motor vehicle, with control equipment The invention relates to an electric fuel dosing pump (2) of a heating device (1), especially a water heating device in the form of a an auxiliary heater or an independent heating device of an automobile, having a control device (5) for controll... | 09/20/2005 |
| 6918757 | Combustion apparatus A combustion apparatus 2 has an anti-spreading member 65 disposed below a combustion chamber 10. This anti-spreading member 65 is composed of a generally cylindrical main body 65a, an outer flange 65b and an in... | 07/19/2005 |
| 6887070 | Fired furnace operation and apparatus A method and apparatus for continuing the operation of a fuel fired furnace when the air supply from the blower to the furnace is interrupted by employing a combination of a ventilator and drop door, the ventilator having a power source independent of the blower. | 05/03/2005 |
| 6875010 | Excess gas burner The present invention has an inner and outer hull spaced apart, so that burner intake air may flow between the inner and outer hull. The inner hull has the burner mounted in the bottom in a known manner with an air intake port placed below the burner. A burner ring ... | 04/05/2005 |
| 6835062 | Fuel oil supply circuit for an oil burner having a solenoid valve in parallel circuit with diaphragm valve for controlling oil flow at start up A fuel oil supply circuit that includes two bypass mechanisms for burner startup including an electrical valve bypass in parallel circuit with a mechanical valve bypass. The fuel oil supply circuit includes an oil pump that is adapted to pressurize fuel oil and a do... | 12/28/2004 |
| 6793485 | Combustion apparatus for NOx reduction A combustion apparatus for NOx reduction and CO reduction capable of achieving stable NOx reduction with simple means. The combustion apparatus for fulfilling NOx reduction by controlling the temperature of combustion gas derived fro... | 09/21/2004 |
| 6764298 | Method for controlling air fuel ratio in gas furnace A method is provided for controlling an air fuel ratio in a gas furnace which can maintain optimum performance in combustion, irrespective of variation in temperature control stages. Air quantity and fuel quantity are integrally, rather than separately, controlled t... | 07/20/2004 |
| 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 |
| 6739865 | System and method for disabling a furnace A system and method for disabling an oil furnace based on a vacuum level measurement. The oil furnace includes a pump and a burning device. The pump is adapted to transfer oil from a storage device to the burning device. A measurement device adapted to measure a vac... | 05/25/2004 |
| 6702571 | Flex-flame burner and self-optimizing combustion system A combustion system for automatic, real-time control of a combustion process which can be applied with significant advantage to a wide range of furnaces, boilers and combustors. The system includes a burner body having a primary first fluid inlet end form... | 03/09/2004 |
| 6604938 | Device for gas burners The invention relates to a device for gas burners, comprising at least two air nozzles 10, 11 for combustion air. The air nozzles 10, 11 are arranged in parallel. According to the invention, a flow restrictor 15 is assigned to one or more of the air nozzl... | 08/12/2003 |
| 6579087 | Regulating device for gas burners The invention relates to a control means for gas burners. Control means for gas burners are used for supplying a gas flow and a combustion air flow to a burner. In this procedure, the gas flow is adjustable in dependence on the combustion air pressure. In... | 06/17/2003 |
| 6571817 | Pressure proving gas valve A pressure proving gas valve insures safe and efficient operation of a fuel-burning appliance by monitoring combustion air pressure and appropriately controlling the valve based upon this air pressure. An air pressure sensor is incorporated into a pressur... | 06/03/2003 |
| 6561791 | Gas burner regulating system The invention relates to a regulating system for a gas burner. Regulating systems for gas burners are used for guiding a gas flow and a combustion air flow to the burner. The gas flow can be regulated depending on combustion air pressure. Pressure is meas... | 05/13/2003 |
| 6558155 | Process for adjusting the water vapor content in a very high temperature furnace Process for regulating the water vapor content in a furnace operating at very high temperature between 1300 and 1800° C. and heated by combustion burners, in which there used as combustible carbon monoxide and as combustion supporter oxygen or air if des... | 05/06/2003 |
| 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 |
| 6537060 | Regulating system for gas burners A burner system for controlling the gas/air mixture of a burner has a sensor providing a signal dependent on the pressures in gas and air lines supplying the burner. A summing device receives a signal based on the air flow rate and the signal from the sen... | 03/25/2003 |
| 6517342 | Device for igniting fuel A device for igniting fuel, comprising at least one burner, the device comprising ignition means comprising an ignition element, the ignition means further comprising a movable element which is connected to a fluid line, such that a fluid contained in the... | 02/11/2003 |
| 6493081 | Flame-type atomic absorption spectrophotometer A flame-type atomic absorption spectrophotometer forms a flame by igniting a mixture of a fuel gas and a first combustion support gas such as air and then the first combustion support gas is replaced by a second combustion support gas such as nitrous oxid... | 12/10/2002 |
| 6419478 | Stepper motor driving a linear actuator operating a pressure control regulator An apparatus for and method for controlling the gas supply of a gas appliance. The gas appliance has a main burner with a main valve controlled by a linear actuator. A stepper motor positions the linear actuator under control of a microprocessor. The step... | 07/16/2002 |
| 6382959 | Burner with air flow adjustment A burner includes a motor driven blower, an air tube having an inlet end portion and an outlet end portion, a housing forming an air flow path between the blower and the air tube, a nozzle for spraying liquid fuel or orifice for dispersing gas toward the ... | 05/07/2002 |
| 6377426 | Gas furnace with variable speed draft inducer A method of controlling a variable speed draft inducer motor and fan in a gas furnace. The method comprises the steps of: detecting a first fault driving the motor to a maximum operating range; detecting a second fault forcing the motor to operate towards... | 04/23/2002 |
| 6287108 | Control of the burner heat output in a gas-operated cooking or baking appliance The method allows accurate setting of the volumetric gas flow through a gas feed line to a burner nozzle of a gas-operated cooking or baking appliance and required for a desired burner heat output. A corresponding cooking or baking appliance, in particula... | 09/11/2001 |
| 6280179 | Over temperature limiting scheme by reducing gas pressure An apparatus for and method for protecting the electronic circuitry within a gas appliance. The electronic circuitry is arranged on a circuit board. A temperature sensor, located on the circuit board is periodically read to determine the current temperatu... | 08/28/2001 |
