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| Number | Title | Issue Date |
| 8075304 | Modulated power burner system and method A power burner system for use with a heating appliance includes a burner tube, a gas valve for providing gas to the burner tube, and a variable speed combustion air blower for mixing air with the gas provided to the burner tube. The burner system further includes a ... | 12/13/2011 |
| 7874834 | Air fuel ratio sensor of incinerator Disclosed is a combustion apparatus using an air fuel ratio sensor, which detects the operation of the air fuel sensor based on pressure of gas and air introduced into a combustion chamber and adjusts the amount of gas and air introduced into the combustion chamber ... | 01/25/2011 |
| 7744366 | System and method for improving the thermal efficiency of a heating system A system and method for providing a heating system with good thermal efficiency by adjusting combustion air flow in response to fuel-input rate changes over a wide range. An AC motor operates in a slip mode whereby as the fuel-input rate changes, the combustion air ... | 06/29/2010 |
| 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 |
| 7322818 | Method for adjusting pre-mix burners to reduce NOemissions A method for reducing NOx emissions from a furnace having multiple burners, each burner including at least one chamber for supplying a flow of combustion air and means to adjust the flow of air to the at least one chamber. The method includes the steps of... | 01/29/2008 |
| 7290502 | System and methods for controlling a water heater A control for a water heater is provided that comprises a pressure switch for sensing a predetermined level of airflow sufficient for maintaining proper burner operation, and a temperature sensing means for sensing the temperature of the water in the tank. The contr... | 11/06/2007 |
| 7260935 | Method and apparatus for reducing gas turbine engine emissions A low emission turbine includes a reverse flow can-type combustor that generally includes a primary and secondary fuel delivery system that can be independently controlled to produce low CO, UHC, and NOx emissions at design set point and at conditions other than des... | 08/28/2007 |
| 7249610 | Ratio controller with dynamic ratio formation For adjustment of a desired burner gas-air ratio over the broadest possible load range without additional pressure tapping of the burner, combustion chamber, or air lines, a ratio controller is provided that permits adjustment of the gas flow as a function of counte... | 07/31/2007 |
| 7192458 | Process, control system and apparatus for the distribution of air in a fuel cell/fuel processor system A process, control system and apparatus for controlling the air side flows to the major components of a fuel processor apparatus are provided. The control system employs a multi-capacity blower provides process air to a partial oxidation reactor and a preferential o... | 03/20/2007 |
| 7143836 | Soil conditioning rotary reel for primary tillage operations A soil conditioning rotary reel for primary agricultural tillage implements is disclosed. The reel incorporates formed bars slightly spiraled along the length thereof that increase the overall strength of the reel and, because of the shape of the formed bars, suppor... | 12/05/2006 |
| 7143837 | Soil conditioning rotary reel for secondary tillage operations A soil conditioning rotary reel for secondary agricultural tillage implements is disclosed. The reel incorporates formed bars slightly spiraled along the length thereof that increase the overall strength of the reel and, because of the shape of the formed bars, supp... | 12/05/2006 |
| 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 |
| 7103521 | Method and device for neutralizing, by controlled gas injection, the formation of liquid slugs at the foot of a riser connected to a multiphase fluid transport pipe Method and device for neutralizing, by controlled gas injection, the formation of liquid slugs at the foot of a pipe portion greatly inclined to the horizontal or riser connected to a pipe carrying circulating multiphase fluids such as hydrocarbons. Flow rate... | 09/05/2006 |
| 7101172 | Apparatus and methods for variable furnace control A furnace control system for controlling a gas-fired induced-draft furnace having a variable speed inducer blower. A control apparatus, responsive to a signal corresponding to the magnitude of a pressure difference between an inlet and outlet of the combustion chamb... | 09/05/2006 |
| 7094049 | Quartz glass single hole nozzle for feeding fluid and quartz glass multi-hole burner head for feeding fluid The present invention provides a quartz glass single hole nozzle for feeding fluid capable of performing high-precision control of a flow rate, a burner for heat processing equipped with the quartz glass single hole nozzle, a quartz glass multihole burner head for f... | 08/22/2006 |
| 7090486 | Control device for a burner and adjusting method The invention relates to a control system (15) for a burner and a setting-up procedure. The control system (15) controls the air ratio for combustion using the ionisation electrode (16). For calibration, a change is carried out in a first parame... | 08/15/2006 |
| 7048537 | Apparatus and method for controlling a variable fuel fired appliance An apparatus is provided for controlling a fuel fired heating appliance, the apparatus comprising a first processor for controlling the ignition operation of the furnace and a second processor for controlling the operation of a variable speed blower motor, wherein t... | 05/23/2006 |
| 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 |
| 7044440 | Outfall valve structure conforming to ergonomics An outfall valve structure conforming to ergonomics is primarily composed of a casing, which is moveably connected with a hollow pipe. The casing is in the form of a short pipe, the exterior wall thereof is provided with a coupler with an opening provided on the bot... | 05/16/2006 |
| 7004749 | Combustion apparatus A combustion apparatus 2 has a fuel spraying nozzle 12, a feed canal 16 and a return canal 17, both the canals connected to the nozzle, with the former canal 16 feeding a fuel to the nozzle and with the later canal 17 allowi... | 02/28/2006 |
| 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 |
| 6978798 | Gas flow control An approach for gas flow control is achieved with an arrangement involving a sealed housing with relatively few components. According to an example embodiment, a gas flow controller comprises a gas inlet, a gas outlet, and an auxiliary chamber including a partition ... | 12/27/2005 |
| 6904873 | Dual fuel boiler A fuel-fired boiler having a supply fan for providing essentially all of its combustion air requirements and has a non-aspirating type burner section to an inlet portion of which pressure regulator apparatus is coupled, the pressure regulator apparatus having a pred... | 06/14/2005 |
| 6902390 | Burner tip for pre-mix burners An improved burner and a method for combusting fuel in burners used in furnaces such as those found in steam cracking. The burner includes a burner tube having a longitudinal axis and having a downstream end and an upstream end for receiving fuel gas and air, flue g... | 06/07/2005 |
| 6872071 | Device for adjusting the oxidation agent/fuel mixture in the feeding pipe of a burner The invention relates to a device for adjusting the mixture of oxidation agent/fuel in the feeding pipe (22) of a burner. Said device comprises means (32, 12) for changing the composition of the oxidation agent/fuel mixture and a measuring instrument (... | 03/29/2005 |
| 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 |
| 6749423 | System and methods for modulating gas input to a gas burner An improved gas appliance having a burner, a gas valve through which the flow of combustion gas to the burner is controlled, and a motor driven blower that supplies combustion air to the burner. The improvement includes means for increasing gas flow through the gas ... | 06/15/2004 |
| 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 |
| 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 |
| 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 |
| 6533574 | System for active regulation of the air/gas ratio of a burner including a differential pressure measuring system The system for active regulation of the air/gas ratio of a burner comprises one or two differential pressure measuring systems each of which has a differential pressure sensor with two inlet orifices. The orifices are respectively connected to pressure po... | 03/18/2003 |
| 6450801 | Liquid fuel stove apparatus A stove apparatus includes a frame having an interior opening. A burner is mounted within the opening. A liquid fuel container is mounted on the frame within the opening. A fuel conduit extends between the container and the burner. A heat shield extends a... | 09/17/2002 |
| 6429020 | Flashback detection sensor for lean premix fuel nozzles A sensor for detecting the flame occurring during a flashback condition in the fuel nozzle of a lean premix combustion system is presented. The sensor comprises an electrically isolated flashback detection electrode and a guard electrode, both of which ge... | 08/06/2002 |
| 6428308 | Electronic fuel convertibility selection An apparatus for and method for providing easy and rapid conversion from a first fuel to a second fuel in a gas appliance. The gas appliance has a variable fuel valve controlled by a microprocessor. A table stored in non-volatile memory has an entry for e... | 08/06/2002 |
| 6332408 | Pressure feedback signal to optimise combustion air control A novel method of combustion air control for multiple burner furnaces, whereas a pressure transducer is located in the air piping downstream of each zone air flow control device. The pressure transducer sends a feedback signal to a pressure control loop t... | 12/25/2001 |
| 6206687 | High turndown modulating gas burner A gas burner and method of controlling burning, the gas burner including a controller disposed in a control cabinet, a burner cabinet, an actuator and a blower, the blower being fluidly coupled to the burner cabinet. The gas burner has an air valve that i... | 03/27/2001 |
| 6189461 | Burning apparatus and method for restricting the occurrence of dioxins An incineration apparatus which can suppress the generation of dioxins, including a combustion furnace (11) for burning a combustible in combustion air within the furnace, chlorinated aromatic compound measuring device (12) for measuring an amount of a ch... | 02/20/2001 |
| 6190160 | Process for combustion of a fuel with an oxygen-rich oxidant The invention relates to a process for combustion of a fuel with an oxygen-rich oxidant, in a combustion chamber (3), in which, cyclically: at least one principal variable representing the combustion in the said combustion chamber (3) is measured, and, as... | 02/20/2001 |
| 6135063 | Dual regulator direct-fired steam generator A direct-fired steam generator utilizes dual regulators for delivering combustible gas to a burner chamber. A first regulator is a constant pressure gas regulator. A second regulator is a variable pressure gas regulator. The variable pressure gas regulato... | 10/24/2000 |
| 6095793 | Dynamic control system and method for catalytic combustion process and gas turbine engine utilizing same A unique and useful dynamic control system has been invented for the control of a catalytic combustion system for use on a dynamic plant, preferably, a gas turbine engine. The dynamic control system facilitates the replacement of conventional flame combus... | 08/01/2000 |
