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| Number | Title | Issue Date |
| 8118588 | Energy efficient low NOburner and method of operating same A burner assembly that produces very low NOx emissions includes a plurality of furnace gas openings for receiving a portion of furnace gasses back into a combustion cylinder. The burner assembly includes the combustion cylinder, a plurality of combustion ... | 02/21/2012 |
| 8025501 | Burner and method of burning gas in a furnace A gas burner for use in a furnace and a method of burning gas in a furnace, especially but not exclusively a process furnace used in an oil cracking or refining process. The gas burner comprises two passageways with adjacent outlets. The first passage way is in flui... | 09/27/2011 |
| 7993130 | Method of combustion with the aid of burners in industrial furnaces, and a burner to this end Method of combustion with a gas burner having a burner head at one end of an inner gas pipe surrounded by an outer protective pipe, wherein gases from the burner head flow inside the inner pipe and inside the outer pipe and thereafter flow into an exhaust channel. T... | 08/09/2011 |
| 7766649 | Multi-ported, internally recuperated burners for direct flame impingement heating applications A direct flame impingement method and apparatus employing at least one multi-ported, internally recuperated burner. The burner includes an innermost coaxial conduit having a first fluid inlet end and a first fluid outlet end, an outermost coaxial conduit disposed ar... | 08/03/2010 |
| 7429173 | Burner and method of burning gas in a furnace A gas burner for use in a furnace and a method of burning gas in a furnace, especially but not exclusively a process furnace used in an oil cracking or refining process. The gas burner comprises two passageways with adjacent outlets. The first passage way is in flui... | 09/30/2008 |
| 7425127 | Stagnation point reverse flow combustor A method for combusting a combustible fuel includes providing a vessel having an opening near a proximate end and a closed distal end defining a combustion chamber. A combustible reactants mixture is presented into the combustion chamber. The combustible reactants m... | 09/16/2008 |
| 7422427 | Energy efficient low NOburner and method of operating same A burner for installation in a furnace having a combustion chamber defined by at least a furnace front wall, two side walls, a top wall and a bottom wall as well as heat transfer pipes through which a heat transfer medium flows and which are arranged on at least one... | 09/09/2008 |
| 7354029 | Apparatus and method for treating process fluids A process fluid treating apparatus includes an ejector assembly fluidically connected to a process fluid supply assembly. A Coanda airfoil is located in the ejector assembly. Primary fluid is injected into the ejector duct to form a Coanda layer. A process fluid, or... | 04/08/2008 |
| 7331474 | Specimen-container rack for automated clinical instrument A magnetically-attractive specimen-container rack for use with a magnetic transport system for transporting racks of specimen-containers to or within an automated clinical instrument for analysis and/or processing. The specimen-container rack comprises a pair of U-s... | 02/19/2008 |
| 7314527 | Reactor system A gas delivery system for delivering a gas to a reactor. The reactor has a reactor chamber, a gas inlet port, and a gas exhaust port. The gas delivery system included a torch chamber having an outer wall extending along a first axis. A torch injector extends into th... | 01/01/2008 |
| 7305831 | Gas turbine having exhaust recirculation A gas turbine adapted to operate in a highly diluted mode comprises a compressor 3 adapted to compress oxidant 5; a combustion chamber 3 adapted to accept the compressed oxidant 7 and provide an exit means for flue gas 9; a turbine... | 12/11/2007 |
| 7302802 | Aerodynamic trip for a combustion system A apparatus and method for improving combustion by improving at least one of temperature distribution in the combustor, pressure distribution around the combustor and combustion noise level in the combustor, by redistributing air around the combustor to modify the s... | 12/04/2007 |
| 7264466 | Method and apparatus for radiant tube combustion A method and apparatus provide combustion in a radiant tube in first, second and third stages, with flue gas recirculation that begins at the second stage. ... | 09/04/2007 |
| 7244119 | Compact low NOgas burner apparatus and methods Compact low NOx gas burner apparatus and methods for discharging fuel gas and air mixtures into furnace spaces wherein the mixture is burned in folded flame patterns and flue gases having low NOx content are formed are provided. A burner appara... | 07/17/2007 |
| 7237574 | Controlled dispersion multi-phase nozzle and method of making the same A nozzle design and method for designing such a nozzle being adapted for three phase slurry flow from the choke into the flash tank during pressure let-down in autoclave mining operations that uses a selection of the expansion ratio in the choke to select a nozzle d... | 07/03/2007 |
| 7198482 | Compact low NOgas burner apparatus and methods Compact low NOx gas burner apparatus and methods for discharging fuel gas and air mixtures into furnace spaces wherein the mixture is burned in folded flame patterns and flue gases having low NOx content are formed are provided. A burner appara... | 04/03/2007 |
| 7172412 | Pyrolysis heater A pyrolysis heater particularly for the cracking of hydrocarbons in the production of olefins has a burner arrangement in the firebox which includes staged combustion low NOx hearth burners firing upwardly in the firebox adjacent to the walls. Wall stabil... | 02/06/2007 |
| 7168949 | Stagnation point reverse flow combustor for a combustion system A combustor assembly includes a combustor vessel having a wall, a proximate end defining an opening and a closed distal end opposite said proximate end. A manifold is carried by the proximate end. The manifold defines a combustion products exit. The combustion produ... | 01/30/2007 |
| 7163392 | Three stage low NOburner and method The present invention is an air-staged low NOx burner for firing a gaseous fuel. The burner fires three stages, with the first stage of combustion taking place substantially within a burner cup section of a refractory baffle, the second stage of combustio... | 01/16/2007 |
| 7104784 | Device and method for feeding fuel The present invention provides a fuel feeding apparatus and method for improving the controllability of mixing process and mixing ratio of fuel and combustion air, and a combustion system and method for effecting new combustion properties. The fuel feeding apparatus... | 09/12/2006 |
| 7086854 | Combustion method and apparatus for carrying out same The invention relates to recirculation flow combustors having a generally curved recirculation chamber and unobstructed flow along the periphery of the boundary layer of the vortex flow in this chamber, and methods of operating such combustors. Such combustors furth... | 08/08/2006 |
| 7028622 | Apparatus for burning pulverized solid fuels with oxygen A burner assembly combines oxygen and fuel to produce a flame. The burner assembly includes an oxygen supply tube adapted to receive a stream of oxygen and a fuel supply tube arranged to extend through the oxygen tube to convey a stream of fluidized, pulverized, sol... | 04/18/2006 |
| 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 |
| 6986658 | Burner employing steam injection Method and apparatus for use in burners of furnaces such as those used in steam cracking. The apparatus includes a burner tube having a downstream end and an upstream end for receiving fuel and air, flue gas or mixtures thereof. A burner tip is mounted on the downst... | 01/17/2006 |
| 6951456 | Microcombustor and combustion-based thermoelectric microgenerator A generally toroidal counterflow heat exchanger is the main element of a combustor that operates at a micro scale. The combustor includes a central combustion region with openings to a reactant gas channel and an exhaust gas channel. The reactant channel and exhaust... | 10/04/2005 |
| 6938560 | Solid fuel boiler and method of operating combustion apparatus There is disclosed a solid fuel boiler including: a furnace including a plurality of solid fuel burners and a furnace wall to perform horizontal firing; a duct through which a part of combustion exhaust gas recirculates to a furnace from a downstream side of the fur... | 09/06/2005 |
| 6875008 | Lean pre-mix low NOx burner An improved burner assembly and process for operating same using a burner design that produces very low levels of undesirable nitrogen oxides is provided. The burner assembly premixes primary fuel and air in a venturi system and recirculates combustion gases back to... | 04/05/2005 |
| 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 |
| 6776609 | Apparatus and method of operation for burners that use flue gas recirculation (FGR) The present invention is a method and apparatus to improve the utilization of flow and power characteristics of a combustion air fan over the full range of burner operation. More specifically, it is an apparatus and a method of operation that uses a high flue-gas-to... | 08/17/2004 |
| 6695609 | Compact low NOx gas burner apparatus and methods Compact low NOx gas burner apparatus and methods for discharging fuel gas and air mixtures into furnace spaces wherein the mixture is burned in folded flame patterns and flue gases having low NOx content are formed are provided. A bu... | 02/24/2004 |
| 6672859 | Method and apparatus for transversely staged combustion utilizing forced internal recirculation An apparatus for combustion of a fuel in stages having at least one wall enclosing a chamber and forming at least one fuel inlet opening, at least one oxidant inlet opening and a plurality of fuel/oxidant outlet openings. A recirculation sleeve is dispose... | 01/06/2004 |
| 6672862 | Premix burner with integral mixers and supplementary burner system An apparatus is provided including a furnace structure defining a reaction chamber in which oxidant and fuel are reacted to form combustion products and having an anchor surface having an opening through which the oxidant and fuel are introduced into the ... | 01/06/2004 |
| 6672863 | Burner with exhaust gas recirculation In a premixing burner (1) for a gas turbine or hot-gas generation for the combustion of liquid or gaseous fuel, in which fuel is mixed with combustion air (9a, 9b) in a burner interior (14), is fed to a combustion chamber (3) and is burnt in this combusti... | 01/06/2004 |
| 6672858 | Method and apparatus for heating a furnace An improved process for heating furnaces using a burner design that produces very low level of undesirable nitrogen oxides is provided. The process recirculates a large volume of furnaces gases back to the burner where it is mixed with fuel gas in a plura... | 01/06/2004 |
| 6663380 | Method and apparatus for advanced staged combustion utilizing forced internal recirculation A method and apparatus for combustion of a fuel in which a first-stage fuel and a first-stage oxidant are introduced into a combustion chamber and ignited, forming a primary combustion zone. At least about 5% of the total heat output produced by combustio... | 12/16/2003 |
| 6626661 | Fuel ejector and method for reduced NOx emissions An improvement for an ejector having at least one discharge port effective for delivering a flow of fuel into a heating system such that flue gas in the heating system is entrained in the flow of fuel. The improvement comprises the ejector having an aerod... | 09/30/2003 |
| 6579086 | Process and fuel burner with exhaust-gas recirculation This invention concerns a boiler fitted with a burner suitable for wall heaters or built-in kitchen heaters in which a mantle-shaped heat exchanger made of pipe elements connected in parallel and/or series divides the boiler chamber into a combustion cham... | 06/17/2003 |
| 6489553 | TPV cylindrical generator for home cogeneration Our cylindrical TPV generator uses low bandgap PV cells mounted on circuits in a polygonal array around an IR emitter. The combustion gases are completely contained within the radiant tube burner. The PV array is mounted inside a leak-tight envelope coole... | 12/03/2002 |
| 6347935 | Low NOx and low Co burner and method for operating same A round burner capable of being operated with reduced CO and NOx emissions includes a venturi tube positioned to direct a flow of air through the burner and into a combustion zone in a combustion chamber through an entrance in a wall of the com... | 02/19/2002 |
| 6293275 | High-temperature gas heater A compact heat source is provided which includes a bell-shaped or conical recuperator that surrounds a combustion chamber. The recuperator consists of parts that are axially tensioned against one another, so that a stable positioning of a partition wall p... | 09/25/2001 |
