Abstract: A heating cooking appliance and a burner system of the same are provided. A nozzle and a mixing tube can be stably fixed, and relative position of components can be aligned with high precision even if the heating cooking appliance has a narrow internal space. Thus, operational reliability of the heating cooking appliance is improved, and an operator can easily assemble the burner system. To this end, a nozzle coupling part is configured to fix a position of a nozzle, and a mixing tube coupling part is configured to fix a position of the mixing unit. The nozzle coupling part and the mixing tube coupling part are partially coupled to achieve a precise relative positional relation between the nozzle and the mixing tube.

Abstract: A heating cooking appliance and a burner system thereof are provided. The height of the burner pot is reduced to facilitate product installation and reduce overall material and shipping costs. To increase user satisfaction with the product, a plurality of mixing tubes are extended in the same direction on one side of the burner pot in the burner system.

Abstract: A heating cooking appliance and a burner system of the same are provided. The heating cooking appliance includes a case, a plate that covers the case, a burner system under the plate, and an exhaust unit at a side of the plate. The burner system includes a burner pot providing a mixing space in which gas and air are uniformly mixed, a mixing tube through which the gas and air are supplied into the burner pot, and a nozzle maintained a predetermined distance from a mixing tube unit. A discharger of the nozzle is reduced in diameter. A discharging hole of the nozzle is formed to have a length/diameter ratio of 0.9 to 1.1. A venturi marking a boundary between a convergence and a divergence with respect to the diameter of the mixing tube is disposed at a middle part when the mixing tube is divided into three equal parts.

Abstract: Gas burner, in particular for domestic cooking appliances, comprising a bowl-shaped body (10) associated with a gas injector, a toothed crown (12) with a plurality of first flame ports (13) circumferentially arranged along the periphery of the crown (12) and an upper cap (14) to close the burner top. A peripheral step (15) is formed on at least a part of the external surface of the toothed crown (12) and second flame ports (17) of reduced area are circumferentially provided along the periphery of the crown (12) in such a way that adjacent first flame ports (13) are spaced apart from each other by means of a single second flame port (17) disposed therebetween.

Abstract: Apparatus for mixing fuel and an oxidant for use in an autothermal reformer that provides hydrogen to a fuel cell. The apparatus includes a mixing vessel (10), a first inlet (4) to the mixing vessel for movement of gaseous fuel or oxidant therethrough, a second inlet for movement of gaseous fuel or oxidant therethrough, and an exit (60) from the vessel adjacent the autothermal reformer. The discharge ends of the inlets are spaced apart from each other and from the exit which is near a POX reactor (61) that combusts the mixture of fuel and oxidant exiting from the mixing vessel. The first inlet is comprised of a plate (26) with a plurality of tubes (24) extending therefrom through which fuel or oxidant passes.

Abstract: In an all primary combustion burner, a partition plate that demarcates a mixing chamber between the partition plate and a bottom wall section of a burner main body and a distributing plate that sections a space between the partition plate and the combustion plate into a first distributing chamber and a second distributing chamber are provided in the burner main body to cause a fuel gas and a primary air to flow into the mixing chamber. A pressure loss is minimized to make it possible to satisfactorily mix the fuel gas and the primary air. An outlet is formed on a downstream side of the partition plate. A guide plate section that extends to the downstream side while inclining in a normal direction, which approaches the bottom wall section of the burner main body, from an edge on the upstream side of the outlet, is provided in the partition plate.

Abstract: A reactor air supply system including a first air inlet configured to receive air supplied from a first air supply. The system includes a burner having a burner nozzle configured to discharge fuel for mixing with the first air and configured to ignite the fuel/air mixture. A second air inlet is provided that is configured to receive heated air supplied from a second air supply, and a duct is provided to receive the ignited fuel/air mixture and the heated air supplied from the second air supply. The duct has an outlet configured to connect to a reactor. The duct is configured to receive the heated second air such that the heated second air mixes with the ignited fuel/air mixture at a location downstream of the burner.

Abstract: A burner (1) for a combustion chamber of a gas turbine, especially in a power plant, includes an oxidator feed device (10) for feeding a gaseous oxidator into a mixer chamber (3) of the burner (1), a gaseous fuel feed device (11) for feeding a gaseous fuel into the mixer chamber (3), and a liquid fuel feed device (12) for feeding a liquid fuel into the mixer chamber (3). In order to improve the operation of the burner (1) with liquid fuel, the liquid fuel feed device (12) has a main feed line (13) which feeds liquid fuel to a plurality of injection orifices (14). Some of these injection orifices (14), with regard to a main outflow direction (9) of the burner (1), which has an oxidator-fuel mixture, which flows from the mixer chamber (3), at an outlet opening (5) of the mixer chamber (3), are arranged in series.

Abstract: A gas burner comprising a burner pot (2) supporting a burner body (6) comprising a series of peripherally distributed flame orifices (8), a gas injector (13) and a gas supply tube (11) provided with a collar (12), which are joined to the burner pot; the burner pot is provided with a bottom (9) which has a smooth walled central orifice (10); the extremity (17) of the supply tube is fitted, without any significant amount of clearance via the underneath part of the bottom (9) of the burner pot, inside the orifice (10) with the collar (12), resting against the lower surface of the bottom (9); the injector (13) is screwed, from above the bottom (9), into the extremity of the supply tube (11); and the injector (13) is configured in such a way as to push back the wall of the extremity of the supply tube (11) into a tight resting position against the wall of the orifice (10).

Abstract: A tube burner has a venturi tube concentrically mounted within a burner tube. The burner tube has openings along each side that decrease progressively in size from the upstream end to the downstream end of the burner tube. The tube burner generates substantially even heat at the openings in the burner tube. A method of constructing a tube burner is provided whereby the venturi tube is mounted substantially within the burner tube.

Abstract: A manifold for a torch including a gas distribution portion for distributing gas directed into the manifold to two or more gas channels, a nozzle in each gas channel, an air passage in the manifold proximate each nozzle, and a flame tube portion including a channel for mounting each flame tube adjacent a nozzle.

Abstract: The gas-fired heating apparatus, especially a water heater, has a combustion chamber (2a); an atmospheric gas burner (5) within the combustion chamber (2a); a combustion gas/air supply system (18) having an intake device (16) for combustion gas and primary air to be mixed with the combustion gas, which is arranged outside of the combustion chamber, and an oscillation-damping air supply chamber (11) provided with at least one air inlet (12), which is connected upstream to the intake device (16) and is constructed as a Helmholtz resonator to reduce noise and stabilize combustion. To provide sufficient primary air under adverse spatial conditions the air supply chamber (11) has an exterior wall (11?) and a pattern (13, 14) of perforations in the exterior wall, which are formed as additional air inlets for additional supply of the primary air.

Abstract: A gas burner includes a burner seat having therein a path for provision of gas, a burner core rested on an inner periphery defining the path and having multiple slits defined through opposite sides of the burner core and a burner cap placed on top of the burner seat to sandwich the burner core. The slits are defined in such a manner that an air flow inside the burner core is rotated and directed upward relative to the burner core.

Abstract: Method for controlling or regulating a burner (5) to which a defined air quantity (3) and fuel quantity (4) are fed, the exhaust gas (6) formed during the combustion being fed to a sensor (7), and the actual value (8) detected by the sensor being compared with a desired value (9), and a control deviation being obtained from the difference between desired value and actual value, which control deviation is converted into a control variable (11) which is independent of the burner power, characterized in that a power-dependent control variable (15) is generated from the power-independent control variable (11) and from burner-specific parameters (13) which are determined during setting of the burner for the respective power points of the burner, and in that the power-dependent control variable (15) is converted into a control signal (17, 18) in order to influence the ratio of the air quantity (3) to the fuel quantity (4).

Abstract: A multiple fingered burner includes controls for continuity of gas flow and ignition throughout all of the ports peripherally positioned around the contoured wall of the burner body. A plurality of burner parts are nested together with an indexer limiting insertion to at least one predetermined alignment in order to avoid improper fit or alignment between adjacent burner parts. In addition, the peripherally positioned ports are covered by a laterally extending lip of a cap, and at least one of the parts includes recesses adjacent the laterally extending lip to provide ignitable gas flow passages along the peripheral wall of the burner that maintain continuity of ignition at adjacent burner ports.

Abstract: This invention provides a burner head for a gas stove that can provide even-burning fire flames and is more safety. The burner head for a gas stove comprises a base and an annular cover, which is characterized in that small holes through inner and outer surroundings of the annular cover are disposed at a lower portion of the annular cover and gas-exiting grooves through the inner and outer surroundings of the annular cover are disposed at an upper portion of the annular cover.

Abstract: A cooktop burner assembly is described. The cooktop burner assembly includes a main burner, and a simmer burner located below the main burner, where a diameter of the simmer burner is greater than a diameter of the main burner. The closer placement of the main burner to a cooking vessel placed on top of the cooktop burner assembly as compared to the placement of the simmer burner from the cooking vessel increases thermal efficiency. Moreover, the farther placement of the simmer burner from the cooking vessel facilitates simmering of items in the cooking vessel and the larger diameter of the simmer burner reduces a possibility of overheating the main burner and the cooking vessel.

Abstract: A gas burner for a grill unit includes a generally “U” shaped burner having spaced first and second hollow legs. The legs have a plurality of apertures therein through which gas may escape from the interior thereof for combustion. A gas delivery conduit delivers gas to a pair of arms. The arms extend outwardly from the conduit in generally opposite directions to the legs of the burner, whereby gas is delivered to both legs. The gas burner configuration results in even gas distribution, and thus even heat generation.

Abstract: A venturi tube has a configuration of baffles affixed thereto that serve to greatly reduce the susceptibility of a gas burning appliance to wind gusts. The baffles cooperate to force incoming primary combustion air through a circuitous route before introduction into a flow of gaseous fuel. The circuitous route in combination with the volume of air that is contained within the baffling serves to substantially reduce flame blowout.

Abstract: In a burner (1) having an interior space (22) surrounded by at least one shell (8, 9) in which burner (1) fuel is injected through fuel nozzles (6) arranged at the burner shells (8, 9) into a combustion air stream (23) flowing within the interior space (22), the fuel/air mix which is formed flows to a flame front (3) in a combustion chamber (2) within a delay time (?), where it is ignited, the formation of combustion-driven thermoacoustic oscillations is avoided by virtue of the fact that means (24), which allow fuel to be injected into the combustion air stream (23) via at least two fuel injection holes (25) distributed over the length of the means (24) are arranged so as to project from the burner base (27) into the interior space (22) substantially in the direction of the combustion chamber (2), so that the delay time (?) between injection of the fuel and its combustion at the flame front (3) corresponds to a distribution (12) which avoids combustion-driven oscillations in premix operation.

Abstract: A convertible burner for gas-fueled cigarette pocket lighters for use with flint and wheel ignition, the burner including a burner body having a central gas fuel passageway and an air inlet channel in fluid communication with the central passageway and may have a plurality of integrally formed passageways around the periphery of the burner body. An air control structure in the form of a collar is movable to a first position with respect to the burner body to close the air inlet channel and form a post-mix burner for flint and wheel ignition, and to a second position with respect to the burner body to admit air via the air inlet channel to form a pre-mix burner after ignition. The relative movement can be longitudinal or peripheral, and the peripheral movement can be circumferential. In one embodiment, the collar surrounds and is immediately adjacent to the air inlet channel.

Abstract: Gas burner for a dryer including a gas nozzle for receiving, and injecting gas, a mixing tube for mixing the gas injected from the gas nozzle and primary air, igniter fitted to an outlet of the mixing tube for igniting the gas mixed with the primary air coming out of the outlet of the mixing tube, and a flame holder fitted to the outlet of the mixing tube having flame holes for splitting, and ejecting the gas mixed with the primary air in burning the gas, thereby forming shorter flame lengths, and securing stability of the flame by enhancing an initial igniting capability, and splitting the flame into many parts to increase introduction of secondary air into the flame.

Abstract: A variable geometry pre-mixing fuel injector (50) for injecting a fuel/air mix in a downstream direction, comprising: an air inlet (60); a fuel inlet (58) positioned downstream of the air inlet (60); a duct (56) extending at least downstream of the fuel inlet (58) to define a fuel and air pre-mixing zone (62), that narrows to form an opening (64); and means for varying the flow of fuel/air mix from the pre-mixing zone (62) through the opening (64).

Abstract: A gas combustion apparatus of a laundry dryer is provided, by which an initial ignition power is improved to enhance an ignition property. The gas combustion apparatus includes a gas supply; a mixing pipe, having a mixing passage extending from an inlet end to an outlet end, for mixing the supplied gas with primary air, the primary air and gas entering the mixing passage at the inlet end and a gas-and-air mixture exiting the mixing passage at the outlet end; and a flame holder, disposed at the outlet end of the mixing pipe, for separating the gas-and-air mixture exiting the mixing pipe into a complex plurality of jetted streams.

Abstract: 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 products exit being axially aligned with a portion of the closed distal end. A plurality of combustible reactant ports is carried by the manifold for directing combustible reactants into the combustion vessel from the region of the proximate end towards the closed distal end.

Abstract: The present invention provides a burner capable of recovering more reliably a flame going out at one flame port via the transfer of flames from other flame ports when the burner is turned down. The burner according to the present invention is formed of two metal plates 10, 20 having substantially wave-shaped ends and superposed with the wave phases shifted. The burner comprises plural flame ports 12, 22 vertically alternately disposed along the ends of the metal plates 10, 20, and plural gas channels 14, 24 for supplying gas to the flame ports 12, 22. The burner further has a first deformed portion 16 where one metal plate 10 is deformed toward the other metal plate 20 at the flame port portions of one of the upper and lower flame ports 12, 22.

Abstract: A burner capable of reducing manufacturing costs by attaching upper and lower flow regulating plates to a metal plate rationally from the viewpoint of costs is provided. A burner 100 comprises a metal plate, having formed thereto a plurality of flame ports 102 disposed along the inner circumference of an opening 101 and alternately protruding in the upper and lower directions, and an annular mixture pipe 106 disposed outwardly of the opening 101. Substantially annular upper and lower flow regulating plates 200 and 300 are respectively disposed above and below the burner 100 with a clearance therebetween. The burner 100 has an integrally disposed flange portion 120 extending outwardly from the annular mixture pipe 106.

Abstract: The invention relates to an internal flame gas burner comprising a gas injector (1), a vacuum tube (2), and an annular chamber (5) formed by a pot (3) covered by a cap (4), the chamber having an internal edge (51) perforated with flame exit ports (510), and the tube (2) having a convergent section open to the ambient air at an inlet end, and a divergent section succeeding the convergent section, ending at the outlet of the tube and opening out into the chamber, the injector being relatively closer to the inlet of the tube than to the outlet. According to the invention, the tube extends longitudinally along an axis (X) contained in a mid-plane (P) of the annular chamber, this tube having a length (L2) at most equal to twice the greatest distance (R) separating the internal edge (51) of the chamber from the center (50) of this chamber.

Abstract: A gas-fired burner including a cylindrical burner housing having a premixed fuel/air opening. Disposed within the cylindrical burner housing is a cylindrical burner ring which forms at least one row of a plurality of burner ports. The cylindrical burner ring is sized relative to the burner housing such that an annular space is formed between the burner housing and the burner ring. Upper and lower annular rings extend between the burner ring and the burner housing, thereby enclosing the annular space. Disposed within the burner ring is a secondary air flow restrictor for controlling the flow of secondary air to the flame. A multi-finger grate having alternating long and short fingers is disposed above the burner housing.

Abstract: A premixed fuel burner assembly includes a hollow tubular burner body, a hollow tubular venturi tube and a distribution plate. The burner body is a hollow tube having a open end and a closed end. The burner body also has a longitudinal porting area within which are formed a plurality of radially formed slots. The hollow tubular venturi tube is positioned within the burner body along the longitudinal axis extending from said first end. The distribution plate has a mid-section and longitudinal flanges. The flanges of the distribution plate are coupled to the inside surface of burner body and said mid-section has a plurality of holes formed within. The distribution plate is axially aligned and positioned within said burner body such that said holes of distribution plate are positioned adjacent the radially formed slots within said burner body.

Abstract: The invention concerns a device for bringing together a gas fuel and an oxidant in proportions providing optimal burning, so as to obtain, in particular for a fuel gas supplied with low pressure level and containing hydrocarbons, a smokeless burning. Said device comprises a central supply 1, consisting of at least one tube located in the axis of a body forming a venturi 2, and through which the fuel gas is input. The invention is characterized in that a plurality of tubes 6 is provided in annular arrangement around the central supply 1.

Abstract: A method of producing hydrogen by reforming a hydrocarbon or an aliphatic alcohol. The method includes preparing a columnar catalytic member having many axial passages and containing a reforming catalyst, a shift catalyst and an oxidation catalyst; preparing a reformable gas containing a hydrocarbon or an aliphatic alcohol and water vapor mixed together; rotating the columnar catalytic member, while passing the gas therethrough transversely with respect to its cross-section such that the gas first flows along a forward path extending in one direction through a first portion of the axial passages and then flows along a backward path extending in the other direction through a second portion of the axial passages, thereby causing the gas to undergo reforming and shift reactions to form hydrogen for recovery, while the gas makes a round trip along the forward and backward paths; and introducing an oxygen containing gas into the forward path and/or the backward path.

Abstract: A gas burner assembly includes in one embodiment a top plate having at least one port for discharging fuel and a downwardly-depending, peripheral edge having a plurality of spaced-apart slots, and a bottom base having a peripheral edge disposed within the downwardly-depending peripheral edge of the top plate. A gasket is disposed between the base and the plate. A venturi tube is attached to the base with a tube holder. The plate is attachable to the base by displacing and/or expanding a portion of the downwardly-depending, peripheral edge adjacent the slots to form a plurality of spaced-apart, inwardly-extending tabs disposed under the peripheral edge of the base. Methods for assembling and gas fired appliances employing gas burner assemblies are also disclosed. Further, attachment means and methods for attaching a first member to a second member using such displaceable and/or expandable tabs are also disclosed.

Abstract: The invention relates to a burner (1) for cookers, suitable for burning gas, comprising at least two gas crowns, of which one central one and at least one circumferential one, a mixing chamber (13) with Venturi effect, ducts for entry of the primary air and radial ducts (9) for feeding the gas/primary air mixture to the said at least one circumferential crown, comprising a body (3), a head (2) and a separation element (4) that breaks up the internal space into ducts for entry of the primary air and ducts for distribution of the gas/primary air mixture.

Abstract: Disclosed is a burner head capable of securing heat resistance and durability characteristics and improving the quality of machining at the same time, capable of easily and stably machining a material into a complicated shape. A second metal primary material of the iron family having high workability and first metal primary materials of the SUS family having high heat resistance are rolled out. Their side plate ends are butt-welded by laser to form a one-piece metal flat-plate material. A press molding machine is operated to press mold recessed portions of a pair of plate members simultaneously with cutting along a contour line. Then, folding is carried out, and they are closely joined together. A gas passage is formed by a recessed portion of the second metal primary material section. A burner port is formed by a recessed portion of the first metal primary material section.

Abstract: The invention relates to a premix burner for burning fuel with air to combustion gas, in particular within a combustion turbine. Profiling means are provided for profiling the mass stream of the combustion air in a direction radial to an annular shaped air channel in order to generate a radial varying fuel/air mixture that stabilises the combustion. Accordingly, the invention also relates to a gas turbine and a process for burning fuel in air.

Abstract: A gaseous oxygen resonance igniter includes a body with a first inlet for gaseous oxygen incorporating a supersonic nozzle. An outlet from the body incorporates an orifice of predetermined size to maintain a desired pressure in the body. An aperture in the body opposite the first inlet provides a port to a ceramic resonance cavity. A ceramic bleed disc is engaged at a second end of the resonance cavity. An end cap incorporates a plenum adapted to receive high temperature oxygen flow from the resonance cavity through the bleed disc. An exhaust port is connected to the plenum for the high temperature oxygen which flows to a mixing chamber which introduces pilot fuel for ignition as a combustion initiation torch.

Abstract: 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 the main flue of the flare stack.

Abstract: A burner (1), fed with a mixture of fuel and air, comprising a body (2) consisting of two half-shells having a plane of symmetry, inside said body a Venturi tube (3) being defined, provided with and inlet (4) into which said mixture of fuel and air is introduced, said Venturi tube (3) communicating upwardly with a distributing chamber (5) of said mixture of fuel and air, said distributing chamber (5) communicating upwardly with a burner head (8), closed upwardly by a diffuser (9), on which openings are made for the outflow and the subsequent combustion of said mixture of fuel and air, said distributing chamber (5) exhibits a first portion (6) and a second portion (7), said first portion (6), communicating with said Venturi tube, comprising at least a first stretch (6a; 6c; 6e) having a cross section of substantially constant width and at least a second stretch (6b; 6d) having cross section that increases progressively along a direction parallel to said plane of symmetry towards an end of said distributing cha

Abstract: A combustion type waste gas treatment system is capable of oxidatively decomposing a hazardous combustible waste gas while heating efficiently with a structure which allows the waste gas to mix with an auxiliary burning gas efficiently without the occurrence of backfire in a waste gas inlet pipe. The combustion type waste gas treatment system has a burner part and a combustion chamber. Combustion flames are formed to extend from the burner part toward the combustion chamber, and a combustible waste gas is introduced into the combustion flames from waste gas inlet pipes thereby oxidatively decomposing the waste gas. A flow velocity accelerating device makes the flow velocity of the combustible waste gas flowing through the waste gas inlet pipe higher than the burning velocity of the combustible waste gas.

Abstract: The present invention provides a gas burner such as for use in a barbecue grill with at least one row of burner ports in a linear arrangement along the burner and a flame stabilizing structure having a flame stabilizing port with an extent transecting the linear arrangement of the burner ports. The present invention further provides a flame stabilizer structure that is adapted as a standing pilot for relighting the burner port area in the event of extinguished flame.

Abstract: A device for supporting a burner (20) and a dryer having the same are disclosed, in which a structure for supporting the burner is simplified, thereby decreasing the manufacturing price and fabricating of the device is easy. The device for supporting the burner includes a base (70), a burner generating a hot air, a support member (60) having a main connecting part provided between the base and the burner for being detachably inserted to the base so as to support the burner.

Abstract: Embodiments of the present invention are directed to a low NOx duct burner or heater for efficiently heating turbine exhaust gases (TEG) in a less polluting manner. In one embodiment, a heater for heating a gaseous stream flowing in a downstream direction through a duct comprises a heating gas supply pipe extending at least partially across the duct. The heating gas supply pipe includes a plurality of spaced-apart gas pipe outlets to discharge a portion of a heating gas into the duct generally in the downstream direction. A flame shield extends from a location at or near the heating gas supply pipe at least partially across the duct. A plurality of gas supply spuds are disposed upstream of the flame shield. The gas supply spuds include a plurality of gas spud outlets to discharge another portion of the heating gas into the duct.

Abstract: An improved structure of a heater for an outdoor table is disclosed.

Abstract: A method and apparatus for sealing the end of a burner tube including the step of forming a bore near the end of the burner tube and inserting a cone-shaped plug element into the bore until a circular periphery of the plug element abuttably engages a step defined by the stepped bore. The circular periphery of the plug element has a diameter that is greater than an inside diameter of the step formed by the stepped bore. A force is then applied to the plug element tending to cause its circular periphery to expand radially outwardly until the circular periphery sealingly engages the inside of the stepped bore. The sealing method and apparatus allows various processing steps to be performed on the tube, such as bending, drilling, painting and punching to be performed prior to sealing the end of the tube.

Abstract: A burner (10, 210, 310, 410) including a fuel manifold (12, 212, 312, 412), perforated air-mixing plates (14, 16, 214, 218, 414) coupled to the fuel manifold to define a fuel-air mixing region (22, 473) therebetween above the fuel manifold, and unperforated air-deflector wings (24, 26, 216, 236, 428). Each unperforated air-deflector wing is coupled to one of the perforated air-mixing plates such that each unperforated air-deflector wing extends upwardly from and at an angle to the perforated air-mixing plate to which it is coupled.

Abstract: A premixed combustion gas burner having separated fire hole units including a tube-shaped burner whose front face is opened and inner portion is of a hollow tubular shape so that the whole fire hole units of the burner can be separated to thus prevent deformation due to thermal expansion, in which fire hole units each having a number of fire holes formed at a predetermined distance from one another are disposed in both edge lines and the inner portion on the upper end face, and loaders each having a predetermined space are formed between the fire hole units; and a plate-shaped burner which is made of a plate-shaped material having a pin structure formed on the bottom thereof so as to be mounted on the loaders formed in the tube-shaped burner, in which fire hole units having a number of fire holes formed at a predetermined distance are disposed in the form of a slit along both the edge lines of the upper end face.

Abstract: A burner having an elongate, generally tubular sheet metal body having an inlet end, a closed distal end and a tubular segment extending between the ends. The inlet end is formed to define a gas orifice holder which is adapted to mount a gas orifice element. The inlet end is further formed to define at least one primary air opening arranged to admit primary air from a source of primary air. Rows of flame ports are defined in the tubular segment and are arranged to create a desired predetermined flame pattern. When used as a fireplace burner the flame ports may be slot-like in construction and include tabs which determine the effective size of the ports. In a fireplace application, flame ports located below a crossover log, are eliminated and/or formed of reduced size, thus providing a flame of lower height and/or less intensity, thus substantially eliminating sooting.

Abstract: A combustion gas burner enabling a multi-stage control including a main casing on the bottom surface of which an air blower is mounted so that air can be supplied from the air blower through an air inlet formed in the lower portion of the main casing, a tube-shaped burner mounted on the main casing in which fire hole units each having a number of fire holes formed at a predetermined distance from one another are disposed on the upper end surface of the main casing in order to burn gas and air which are mixed and supplied to the tube-shaped burner, a plate-shaped burner which is detachably disposed between the fire hole units formed on the upper end surface of the tube-shaped burner, and includes fire hole units having a number of fire holes, a number of mixture supply tubes inserted in the tube-shaped burner and disposed at a predetermined distance so that gas and air are mixed and the mixed gas and air is supplied to the tube-shaped burner and the plate-shaped burner, a Venturi tube installed in front of the

Abstract: A low NOx burner nozzle assembly for a radiant wall burner includes an elongated hollow burner tube and a discharge nozzle. The burner tube defines a conduit for supplying a mixture of fuel and air to a radiant combustion area of a combustion zone that surrounds the nozzle assembly. The discharge nozzle is mounted on the tube at the downstream end of the conduit adjacent the radiant combustion area and the same is adapted for directing the mixture of fuel and air into the radiant combustion area in an essentially radial direction. The discharge nozzle includes a plurality of flow directing members arranged in an array which extends circumferentially around the discharge nozzle, and the same are arranged to define therebetween a plurality of passageways which extend in a generally radial direction. The passageways are arranged so as to have different respective flow areas. The discharge nozzle also has an end cap to prevent axial flow of the primary air/fuel mixture.