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| Number | Title | Issue Date |
| 7753677 | Burner Burners in prior art exhibit combustion instabilities in certain ranges. The operating range of burners is restricted by said instabilities. In an inventive burner, the combustible has a concentration distribution, whereby the concentration of the combustible reduce... | 07/13/2010 |
| 7430970 | Burner with center air jet A new burner apparatus and method of combusting fossils fuels for commercial and industrial application is provided wherein the new burner apparatus achieves low NOx emissions by supplying oxygen to the center of the burner flame in as manners so as to cr... | 10/07/2008 |
| 7416404 | Feed injector for gasification and related method A feed injector for use in a gasification apparatus comprising plural concentric tubes converging at an outlet tip, at least one interior tube of the plural concentric tubes having a plurality of static, helically-twisted mixing elements fixed to an exterior surface... | 08/26/2008 |
| 7370478 | Method of controlling a gas combustor of a gas turbine A gas combustor has a peripheral premix burner, and a central diffusion burner whose nozzle defines an eccentric first channel housing an ignition device, an axial second channel, and a third channel interposed radially between the first and second channel; the gas ... | 05/13/2008 |
| 7367798 | Tunneled multi-swirler for liquid fuel atomization An air swirler capable of liquid fuel atomization for a fuel fired burner in a furnace or boiler having a hollow guide pipe supporting several swirl blades at an end adjacent to the furnace. Openings connected by tunnels to the inside of the guide pipe are provided ... | 05/06/2008 |
| 7347086 | System and method for burner-based accelerated aging of emissions control device, with engine cycle having cold start and warm up modes A method for accelerated aging of an automotive catalytic converter under conditions incorporating cold start simulations. ... | 03/25/2008 |
| 7277801 | Method for testing catalytic converter durability The present application relates in general to methods for testing the performance of an automotive catalytic converter under conditions simulating those which occur in motor vehicles over extended driving conditions. ... | 10/02/2007 |
| 7267809 | Burner and method for the chemical reaction of two gas streams The invention relates to a burner with a burner head (1) and a gas feed pipe (2) that is located in the burner head (1) and that is surrounded by an ring channel (3) for feed of another gas. In the gas feed pipe (2) and in the ring... | 09/11/2007 |
| 7249946 | Thermal generator and combustion method for limiting nitrogen oxides emissions by re-combustion of fumes The invention relates to a thermal generator comprising a furnace tube (2) wherein a fuel is burnt, recombustion means (14, 15) for reducing the nitrogen oxides content present in said fumes and means (3) for recovering the heat of the fumes res... | 07/31/2007 |
| 7229483 | Generation of an ultra-superheated steam composition and gasification therewith A method for gasifying carbonaceous materials to fuel gases comprises the formation of an ultra-superheated steam (USS) composition substantially containing water vapor, carbon dioxide and highly reactive free radicals thereof, at a temperature of about 2400° F. (1... | 06/12/2007 |
| 7175423 | Air staged low-NOx burner An apparatus and method for using staged air combustion. The apparatus includes a burner body (10) secured to a port block (42), and a fuel passageway (12) extending through the burner body (10), terminating in a fuel nozzle (22), ... | 02/13/2007 |
| 7137258 | Swirler configurations for combustor nozzles and related method A combustor includes a center nozzle surrounded by a plurality of outer nozzles, the center nozzle and each of the outer nozzles having a fuel passage and an air passage, with a swirler surrounding the fuel passage and having a plurality of vanes projecting radially... | 11/21/2006 |
| 7117678 | Fuel injector head A gas turbine fuel nozzle head includes an outlet passage having a curved annular transitional surface extending smoothly to a substantially radial and annular surface relative to a central axis of the fuel nozzle head, for providing a low cost and compact structure... | 10/10/2006 |
| 7097448 | Vortex type gas lamp A vortex type gas lamp comprising a base and an axially extending-transparent shield. Gas is supplied near the bottom end of the shield. The shield is formed of a plurality (preferably two) axial curved sections which overlap one another at their axial edges to form... | 08/29/2006 |
| 7066728 | Process and apparatus for oxygen enrichment in fuel conveying gases An improved process for burning solid fuel particles in a combustion chamber and creating a flue gas is disclosed. The method comprises creating a fuel gas stream by mixing the solid fuel particles with a conveying gas, transporting the fuel gas stream through a fue... | 06/27/2006 |
| 7051530 | Burner apparatus for burning fuel and air The invention relates to a burner apparatus (1) for burning fuel (5) with air (4) to combustion gas, in particular within a combustion turbine, comprising a premixing chamber (3) for premixing fuel (5) and air (4) with. The ... | 05/30/2006 |
| 7043921 | Tube cooled combustor An innovative cooling tube assembly is disclosed for use in cooling the liner of a combustor in a gas turbine engine. Each cooling tube has a serpentine shape that conforms to the contour of the liner as the tube extends from one end of the combustor to the other to... | 05/16/2006 |
| 6981866 | Burner for a thermal post-combustion device A burner for a thermal post-combustion device comprises a combustion nozzle, which comprises a substantially hollow-cylindrical base member (1) at least virtually closed at one end by a cover (2). Fuel gas is supplied thereto axially at a particular pr... | 01/03/2006 |
| 6969012 | Low pressure atomizer for difficult to disperse solutions An atomizer for difficult to disperse solutions such as sizing and paper coatings comprising three nozzles defining three channels respectively two of the nozzles comprising fluid-emitting nozzles and the third nozzle comprising a treatment-emitting nozzle. Alternat... | 11/29/2005 |
| 6951454 | Dual fuel burner for a shortened flame and reduced pollutant emissions A dual fuel burner including an elongated supply pipe and a gas injector for a boiler furnace having a plurality of peripheral openings around a center opening. The peripheral openings are pitched radially away from the longitudinal axis of the gas injector and also... | 10/04/2005 |
| 6931853 | Gas turbine combustor having staged burners with dissimilar mixing passage geometries A gas turbine combustor (10) having a first grouping (64) of pre-mix burners (12, 12′, 12″) having mixing passages (36) that are geometrically different than the mixing passages (38) of a second grouping (66) of pre-mix ... | 08/23/2005 |
| 6908303 | Premixed air-fuel mixture supply device A premixed air-fuel mixture supply device is joined to a combustor liner included in a combustor for a gas turbine or an aircraft engine. The premixed air-fuel mixture supply device has a pilot fuel injection unit having an inner wall, and a prevaporizing, premixing... | 06/21/2005 |
| 6872070 | U-tube diffusion flame burner assembly having unique flame stabilization A U-tube diffusion flame burner assembly having improved flame stabilization with no undesirable acoustic effects. The burners are axial units comprised of flame holders and combustors. The flame holders includes secondary air tubes to support the flow of secondary ... | 03/29/2005 |
| 6832481 | Turbine engine fuel nozzle A performance-enhancing fuel nozzle is disclosed. The nozzle suitable for use in combustors which combine high-swirl-number combustion in a pilot zone with low-swirl-number combustion in a main combustion zone. The nozzle includes a fuel delivery member adapted for ... | 12/21/2004 |
| 6780004 | Thermal post-combustion device A thermal post-combustion device for the purification of exhaust air comprises an outer housing surrounded by an insulating jacket, a combustion chamber bounded by a combustion chamber housing and arranged within the outer housing, and a burner chargeable with fuel ... | 08/24/2004 |
| 6733278 | Variable heat output burner assembly As with most burners and combustors, they utilize fuel and air mixtures. One of the important aspects of burning an air-fuel mixture is that of mixing. Ideally, the fuel should be uniformly distributed throughout the air when ignited. This results in the most comple... | 05/11/2004 |
| 6688109 | Turbine engine burner The invention relates to a burner (100) having a combustion air duct (104), in which a swirl generator (109), which is formed from a number of swirl generator elements (108), is arranged in such a way that the swirl generator (109) can increase the mean v... | 02/10/2004 |
| 6575734 | Low emissions burner with premix flame stabilized by a diffusion flame A low emissions burner includes a diffusion burner surrounded by an annular array of premix burners. The diffusion burner operates at maximum swirl air flow and at a low constant fuel rate to reduce NOx emissions. The diffusion burner provides ... | 06/10/2003 |
| 6551098 | Variable firing rate fuel burner A variable firing rate fuel burner has a tubular body configuration defined by a central pilot tube coaxially circumscribed by intermediate and outer firing tubes. A pilot fuel-air mixture is flowed through the pilot tube and ignited to maintain a pilot f... | 04/22/2003 |
| 6471508 | Burner for non-symmetrical combustion and method A burner for non-symmetrical combustion includes a burner housing enclosing a burner plenum. A fuel conduit extends longitudinally within the housing and is positioned coaxial with a line spaced from a central axis of the burner. The fuel conduit defines ... | 10/29/2002 |
| 6461147 | Gas Burner A gas burner includes a tubular shaped housing having a proximal end and a distal end, the housing tapering inwardly to an outlet at the distal end to form a truncated cone. A gas supply tube is disposed longitudinally centrally within the housing and ext... | 10/08/2002 |
| 6386863 | Compound burner vane A compound spin vane (CSV) for use in an air passage of a fossil fuel-fired burner. In one embodiment, the CSV is a multi-piece construction of platelike outer and inner vane elements connected to an intermediate platelike rail element. In another embodim... | 05/14/2002 |
| 6368101 | Flame retention head and nozzle block assembly for waste oil-burning systems A flame retention head for a nozzle block assembly of a waste oil-burning system, such as a furnace, having a combustion zone within which oil is burned in the presence of air utilizes a platen-like body of substantially circular form having a central ope... | 04/09/2002 |
| 6315551 | Burners having at least three air feed ducts, including an axial air duct and a rotary air duct concentric with at least one fuel feed, and a central stabilizer The technical field of the invention is making a burner capable of using one or more fuels, optionally simultaneously, together with particular features for the gas feed ducts. Such a burner comprises at least four substantially concentric ducts for feedi... | 11/13/2001 |
| 6234785 | Swirler plate in gas burner Swirler plate in a gas burner, the swirler plate having a plurality of slits formed in a radial direction for supplying a mixed gas to a combustion chamber, and a plurality of swirl vanes formed on one side of the slits for guiding the mixed gas from the ... | 05/22/2001 |
| 6210151 | Self-cooled oxygen-fuel burner for use in high-temperature and high-particulate furnaces A self-cooled oxidant-fuel burner consisting novel fuel and oxidant nozzles and three compartment refractory burner block design is proposed. The new oxidant-fuel burner can fire in high-temperature (2200° F. to 3000° F.) and high-particulate (or high p... | 04/03/2001 |
| 6196142 | Method and burner for introducing fuel to a kiln A method and apparatus for introducing solid, liquid or gaseous fuel into a burning zone of a rotary kiln for manufacturing cement clinker. Fuel is conducted through a duct or ducts and primary air is conducted through at least two annular ducts arranged ... | 03/06/2001 |
| 6174161 | Method and apparatus for partial oxidation of black liquor, liquid fuels and slurries Method and apparatus for combusting and/or gasifying a generally viscous liquid or a slurry wherein the liquid or slurry are atomized in a central atomization device within a burner housing the central atomization device using a portion of a gaseous oxida... | 01/16/2001 |
| 6146130 | Compound burner vane A compound spin vane (CSV) for use in an air passage of a fossil fuel-fired burner. In one embodiment, the CSV is a multi-piece construction of platelike outer and inner vane elements connected to an intermediate platelike rail element. In another embodim... | 11/14/2000 |
| 6123542 | Self-cooled oxygen-fuel burner for use in high-temperature and high-particulate furnaces A self-cooled oxidant-fuel burner consisting novel fuel and oxidant nozzles and three compartment refractory burner block design is proposed. The new oxidant-fuel burner can fire in high-temperature (2200° F. to 3000° F.) and high-particulate (or high p... | 09/26/2000 |
