Abstract: A combustion apparatus mainly consists of burners, a fuel supply channel having branched channels, an air feeder for supplying air to the burners, and a pressure regulator and has a combustion space. The branched channels allow fuel gas supplied to the burners to pass therethrough and are provided with shutoff valves. The pressure regulator includes a signal-pressure inlet and a secondary-pressure inlet. A signal pressure introduced through the signal-pressure inlet is detected at a downstream of the air feeder and a secondary pressure introduced through the secondary-pressure inlet is detected at a vicinity of a boundary of the branched channels in the fuel supply channel. Fuel gas discharged from the pressure regulator is regulated so as to satisfy a predetermined relationship between the signal pressure introduced through the signal-pressure inlet and the secondary pressure introduced through the secondary-pressure inlet.

Abstract: A gas burner including a burner body having a lower housing, an inlet conduit and a combustion surface element attached to the lower housing. A diffuser/reflector positioned within the body encourages even distribution and mixing of a combustible gas/air mixture. The diffuser/reflector is preferably of a sheet metal construction and includes a plurality of stamped openings with each of these openings having an overhanging guide plate. The combustion surface element includes a plurality of integrally formed rigidizing ribs and is made from a high temperature steel alloy wire cloth. The inlet conduit is secured directly or indirectly to an access door/bulkhead that is used to close off an access opening formed in a water heater wall through which the burner is installed. In one construction, an air scoop shrouds the inlet conduit and at least partially defines a flow path of primary air, substantially isolated from the combustion chamber.

Abstract: In a flame arrester arrangement having a housing (1) for holding at least two flame arrester inserts (6, 6?) having a large number of axial passage gaps dimensioned for a combustible gas, and having an intermediate layer (7) arranged between two flame arrester inserts (6, 6?), which permits a radial distribution of the gas flow emerging from one flame arrester insert (6, 6?) and entering an adjacent downstream flame arrester insert (6, 6?), the ability of the flame arrester inserts (6, 6?) to be easily assembled and disassembled for servicing purposes without restricting the functional integrity can be achieved by at least one separate closed seal (11, 11?, 15, 17, 17?, 20) being arranged between a flame arrester insert (6, 6?) and the housing (1) or between two flame arrester inserts (6, 6?) in such a way that a flow around the flame arrester insert (6, 6?) in a space (12) located radially outside the passage gaps is prevented.

Abstract: A specific electrode arrangement for a burner already exists with which the flame of the burner is influenced by using electrical fields, whereby these electrical fields pass through only areas of the flame in which a stabilizing and pollutant-reducing action occurs. According to at least one embodiment of the invention, the electrodes used to this end simultaneously serve both as probes for detecting flame properties as well as active field electrodes for influencing the flame properties. The probe signals can react to the voltage applied in an inertia-free manner to the electrodes without the involvement of mechanical elements. According to the associated device equipped with a burner and associated electrodes and with a power supply unit, the power supply unit furnishes a voltage that varies over time, and at least one measuring transducer exists that detects the current generated in the flame by the voltage between both electrodes and provides feedback to the power supply unit after amplification.

Abstract: A system for providing a combined water and fire display is provided. More specifically, a decorative display comprises a dynamic water and fire display device where fuel/air, water, and fire are integrated. The decorative display provides for unique aesthetic qualities and an appearance wherein flames are positioned at or near the surface of a volume of water. In various embodiments, the decorative display further comprises various safety features including the ability to detect and self-regulate conditions such as the existence and/or absence of a pilot flame, an adequate amount of water, and the temperature of various portions of the system. The decorative display further contemplates the ability to operate without one or more disclosed features, such as when only a water display or only a fire display is desired.

Abstract: A wall structure for bordering a combustion chamber of a burner has a top plate that is exposed to the combustion chamber and a bottom plate in contact with the top plate in contact zones on a side facing away from the combustion chamber. The top plate and/or the bottom plate are shaped so that a channel system is created between the top plate and the bottom plate. The top plate contains first openings which communicate with the channel system. In addition, the top plate and the bottom plate have joint second openings in the contact zones communicating with a feed space which is arranged on a side of the bottom plate facing away from the combustion chamber.

Abstract: A fuel nozzle tip for use with a combustor and a method of assembling the fuel nozzle tip are provided. The fuel nozzle tip includes a fuel tube and an air collar coupled to the fuel tube. The fuel tube includes a first plurality of circumferentially-spaced fuel openings and a second plurality of circumferentially-spaced fuel openings. The fuel tube is configured to channel fuel into a mixing zone defined within the combustor. The air collar includes a plurality of circumferentially-spaced air openings configured to discharge air into the mixing zone. At least one of the plurality of air openings is oriented to facilitate generating a swirl number of greater than 0.6 within the mixing zone.

Abstract: A vertically storable combustion heater having a fuel tank having a generally-cylindrical passage formed in the fuel-tank housing through which an axle extends to support one or more wheels; a heating conduit that is coupled to the fuel tank and includes an outermost shell that is substantially concentric with an inner shell that has a smaller diameter than the outermost shell; a control panel that is connected to the combustion heater to interface with an operator and allows the operator to input instructions governing the operation of the combustion heater; a frame that at least partially encases the heating conduit and fuel tank; a hose having a return curve and nozzle; and a combustion chamber that is defined by the interior periphery of the inner shell.

Abstract: A premix burner is provided, with a swirl generator and a downstream mixer tube for combusting gaseous and liquid fuel which during entry of combustion air is introduced into the burner interior space of the swirl generator and/or is introduced into the burner interior of the swirl generator on a burner axis, and also with a fuel lance which is arranged on the burner axis. The premix burner, in the transition section from the swirl generator to the mixer tube, includes at least one additional feed for introducing gaseous and/or liquid premix fuel from the wall region into the burner interior space of the mixer tube.

Abstract: An outdoor torch safety cap including a pair of interlocked telescoping cylinders, a platform formed on the end of inner cylinder, an inner disc formed on the interior surface of the outer cylinder, multiple spaced tabs formed on the platform and on the inner disc, a compression spring disposed between the cylinders such that when the spring is compressed the tabs on the platform come into contact with the tabs on the inner disc to facilitate rotation of the inner cylinder, and an inner disc formed on the interior of the inner cylinder to prevent the escape of fuel when the safety cap is tightened over the fuel opening formed in the container top of an outdoor torch.

Abstract: A primary flow of the burner air stream is slowed relatively to a secondary flow of the air stream. Fuel is injected at a lower rate into the primary flow, which generates a more stable flame, and fuel is injected at a higher rate into the secondary flow, which generates a stronger flame. If the stronger flame is blown out, fuel in the secondary flow can be lit by the flame from the primary flow.

Abstract: A premix burner includes a vortex generator (30) for combustion air stream (15), devices (17, 17a, 17b, 31-38, 41-48) to inject fuel into the combustion air stream (15), and tangential air ducts (19, 20). The combustion air (15) enters the cone cavity (14) of the vortex generator (30) via the air ducts. The injection of the fuel into the combustion air is done asymmetrically by injection devices (17, 17a, 17b, 31-38, 41-48). At least one of the injection devices (5) is arranged on a fuel lance (3) that extends into the vortex chamber.

Abstract: A burner nozzle assembly having a base chamber, a flame chamber and a nozzle plate. The base chamber has an outer wall and an inner wall. The flame chamber is positioned above the base chamber and has an outer wall and an inner wall, and has two opposing channels splitting the outer and inner wall into two separate elements. The nozzle plate is positioned between the base chamber and the flame chamber and has a upward conical configuration, an upper wall and a lower wall. A plurality of circumferential spaced apart openings extend through the nozzle plate. An elongated slot is disposed across the nozzle plate to provide fluid communication between the base chamber and the flame chamber. The elongated slot has opposing ends which terminate proximate a respective opposing channel, to facilitate the generation of an thin but wide flame through the elongated slot.

Abstract: NOx reduction apparatuses for use in heat exchangers or furnaces, HVAC units and buildings having such devices, and methods of making such devices. Wire embodiments may have a body, helix, or modified helix, and support members that extend outside the body to hold the body away from the heat exchanger or tube. The support members may be made of the wire, and may include bights, twisted bights, or larger (e.g., helical) turns, for instance, between groups of smaller helical turns. In some embodiments, a modified helix is formed by alternating bends and straight sections of wire. Some embodiments include an attachment mechanism that may be made from the wire and may include a hook. Wire may be Nichrome. Particular embodiments may allow burning of natural gas or LP without changing or removing the wire.

Abstract: Provided is a burner for regenerating a diesel engine particulate filter. The burner includes: a combustion chamber for receiving exhaust gas from a diesel engine; a carburetor for gasifying liquid fuel; a mixed gas supplying unit for mixing the gasified fuel with an external air, and supplying the mixed gaseous fuel to the combustion chamber; a mixed gas storing chamber disposed in the combustion chamber for receiving the mixed gaseous fuel and instantly storing the received mixed gaseous fuel; an inner flame combustor made of porous material for injecting the mixed gaseous fuel toward the inside of the inner flame combustor, and disposed in the combustion chamber to allow an exhaust gas to flow through the inner flame combustor; an igniter for igniting the mixed gaseous fuel; and a flame sensor for sensing the flame on the inner flame combustor.

Abstract: In order to improve an enveloping gas device (20) for transporting at least one enveloping gas (H) that is allocated to at least one burner head or at least one nozzle (10) of a device (100) for working or processing at least one component or workpiece (B) by autogenous processes, so that a reduction of the contaminant concentration, particularly the concentration of nitrogen oxides (NOx) and other harmful compounds is achieved, it is suggested, a flame (F) issuing from the burner head or nozzle (10) and directed towards the component or workpiece (B) is enclosed by the enveloping gas (H), and the concentration of contaminants contained in the waste gas from the device (100), particularly the concentration of nitrogen oxides (NOx), is reduced by the enveloping gas. The present invention further relates to a corresponding method associated with the enveloping gas device (20) for working or processing at least one component or workpiece (B) with autogenous processes.

Abstract: An apparatus for controlling a duration of burn of a stick of incense includes a base and a ferric rod extending away from and over the base. A hole is provided in the base for placement of a bottom end of the incense. A cylindrical portion is adapted to fit over and slide along a longitudinal length of the incense. A magnet is attached to the cylindrical portion and is adapted to secure the cylindrical portion, where desired, along a longitudinal length of the rod. Accordingly, the incense is supported in two locations and is disposed under and generally parallel to the rod. The incense is able to burn until the area of combustion reaches the cylindrical portion, at which time it is extinguished. Two alternate embodiments are described that allow use of modified forms of the cylindrical portion with prior art types of incense burners.

Abstract: An internal combustion burner including a combustion chamber supplied with fuel and with oxidant and at least two combustion devices supplied with oxidant and with fuel. Combining two combustion devices of distinct configurations, which respectively generate two distinct types of flames with a system for cooling the walls of the burner by introducing air along the walls, makes it possible to obtain a burner that supplies a combustion gas temperature of up to 1700° C., while at the same time being easily cooled and occupying very little space so that it can, for example, be housed in an existing installation used in the manufacture of rock wool or glass wool.

Abstract: The present invention relates to a hybrid burner (1) for a combustor (7), in particular of a power plant, comprising a housing (2), in which a full oxidation catalyst (9) and a partial oxidation catalyst (10) are arranged. An inlet side of the housing (2) is connected to at least one oxidizer supply (3) and to at least one fuel supply (4, 5). An outlet side of the housing (2) is connected to a combustion chamber (7).

Abstract: A burner apparatus includes a first tube having a first longitudinal bore and a second tube having a second longitudinal bore. The second tube is disposed within the first longitudinal bore such that an annular space is defined between the second tube and the first tube. The burner apparatus further includes a nozzle formed at a tip of the second tube. A plurality of side holes are formed in the nozzle. The side holes are slanted relative to a longitudinal axis of the nozzle and are in communication with the second longitudinal bore.

Abstract: The invention relates to an apparatus comprising an injection device (1) for producing a flow of a high-speed combustible gas mixture, and a burner head (2) in which said flow is injected through a tabular extender (70) connecting said injection device (1) to said head (2). The extender has a maximal length higher than 600 mm and includes at the gravity centre of the device assembly, means for suspension to a portion of the operator's body.

Abstract: A cap for a gas burner is disclosed. The cap includes a center portion including a top surface having a periphery; at least one extension extending outward from the center portion, the at least one extension defining a drain channel extending outward and downward from the top surface; and a ledge extending along the periphery. A spill resistant gas burner assembly incorporating such a cap is also disclosed.

Abstract: An internal combustion burner, especially for attenuation of mineral fibers, and including a combustion chamber, into which at least one duct for feeding fuel and oxidizer opens, and provided with an expansion orifice. The combustion chamber is provided with at least one flame stabilizing element, the geometry of the walls of which is chosen to create a confinement zone in which at least part of the combustion between oxidizer and fuel takes place.

Abstract: A lighter includes a butane fuel reservoir, a valve, a mixer with a choke, a movable combustion space and movable top door over the combustion space which interact to allow a wheel and flint igniter to initiate a post mix flame above the top of the combustion space followed by the opening of the top and migration of the flame into the combustion space to create a strong torch-like premixed flame thereafter.

Abstract: A tubular flame burner, a combustion method, and combustion controller, are disclosed. Here, the tubular flame burner comprises: a tubular combustion chamber whose h one end is open; fuel-spraying nozzles and oxygen-containing-gas spraying nozzles. The respective nozzle orifices are formed in the inner face of the combustion chamber so that each spraying direction is in a neighborhood of a tangential direction of the inner circumferential wall of the combustion chamber. And an ignition device is disposed at a position r/2 from the tube axis of the combustion chamber (r: the radius of the combustion chamber). The length of the combustion chamber can be adjusted, the tubular flame burner is a multi-stage burner formed of multiple tubular flame burners, and a gap between the inner tube and the outer tube serves as a gas-flow path.

Abstract: A lighting device for cigarettes and cigars having an upright elongate body, a lid openable approximately ninety angular degrees from the body, a nozzle for producing a flame and directing the flame from the body at an angled direction between the body and the lid. The proximity of the flame base to the lid protects the flame from being inadvertently extinguished, while the distance of the flame tip from the lid allows the lighting of large diameter cigars and avoids overheating of the lid.

Abstract: A gas burner for a cooking appliance is described. The gas burner includes a burner with an inner and outer wall positioned on a burner base, and a circular combustion chamber. The burner includes a plurality of angled fuel exit ports in the inner wall that swirl gaseous fuel into the combustion chamber. The burner also includes vanes on the base of the burner that swirl air drawn into the burner by convection.

Abstract: A burner includes: a body defining an interior cavity; a burning surface located in the body and defining, at least in part, the interior cavity; a defusing surface located on an exterior portion of the body; ports on the body extending through the defusing and burning surfaces and configured to provide fluid communication between the interior cavity and ambient air outside the body; and an opening larger than at least one of the ports, the opening providing fluid communication between the interior cavity and a space outside of the body. A method of burning a gas and reducing acoustic feedback in a combustion device are also described.

Abstract: A premix burner for producing an ignitable fuel/air mixture has a swirl generator with at least two burner shells (B) which complement one another to form a throughflow body, which in each case have a first burner shell section (1) with a partial cone shape and together enclose an axially conically widening swirl space and which mutually define, in the axial cone longitudinal direction, tangential air inlet slots (LS), through which the combustion feed air (L) passes into the swirl space, in which an axially spreading swirl flow forms, and includes fuel feeds which are arranged at least in sections along the tangentially running air inlet slots (LS).

Abstract: The present application relates in general to an apparatus and to methods for testing the performance of an automotive catalytic converter under conditions simulating those which occur in motor vehicles over extended driving conditions. The application provides a novel swirl plate and a novel fuel injector which enable the burner to run stoichiometric for extended periods of time.

Abstract: An apparatus and method for relieving an ignition pulse that may be created at burner ignition in a gas-fired appliance. The burner is located in a combustion chamber forming part of the appliance such as a water heater. A port for admitting air into the combustion chamber is provided and sufficiently sized to relieve an ignition pulse if created upon burner ignition. The air opening is overlaid with an element made from a material that contains a plurality of small openings and is formed into a cup-shaped configuration so that the total area of the material, including both open and non-open areas is substantially greater than the air opening. The port defines an opening for admitting secondary air into the combustion chamber for some applications. The element that overlies the opening may be constructed from one or more layers of a wire mesh material.

Abstract: A combustion type waste gas treatment system 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: To enable a significant flow of liquid, gas or mixed hydrocarbons to be eliminated cleanly and safely, particularly during a well test phase, a burner comprises two concentric apertures, rotationally symmetrical about a common axis, enabling a hollow flame to be generated. The central aperture (20), intended for liquid or mixed products supplied by a conduit (12), consists of 2 concentric male (22) and female (21) conical parts, with the spacing (25) therebetween being continuously adjusted by the axial movement of the rod (23) which carries the male component (22) and which is centred by a centring component (24) in the conduit pipe (12), which carries the female component (21). The peripheral aperture (60), intended for gas products or an auxiliary airflow, also consists of two concentric male (62) and female (61) conical parts, between which the spacing (65) is not necessarily continuously variable during burning.

Abstract: Liquated gas lighter with non-adjustable flame height, comprising a gas reservoir (12), a burner (1) and a gas flow limiting device consisting of a microporous membrane (2) gripped between a first seating body (3) and a second seating body (4). First seating body (3) has a through hole (17) that comes out on one side directly into microporous membrane (2) and on the other side into reservoir (12). Second seating body (4) has a seating surface (22) in contact with membrane (2), a groove (6) formed in seating surface (22), an outlet duct (7) and a linking passage (18) between groove (6) and outlet duct (7). Through hole (17) is facing, at least partially and through microporous membrane (2), groove (6).

Abstract: The invention concerns a combustion method for industrial furnace comprising an arrangement of two substantially parallel and symmetrical burner assemblies (G, D). Each burner assembly comprises a fuel injector (10<SUB>G</SUB>, 10<SUB>D</SUB>) and three oxidant injectors (1<SUB>G</SUB>, 2<SUB>G</SUB>, 3<SUB>G</SUB>, 1<SUB>D</SUB>, 2<SUB>D</SUB>, 3<SUB>D</SUB>) arranged at increasing distances from the fuel injector. An oxidant supply system cyclically distributes a specific flow of oxidant among some at least of the second and third injectors of the burner assemblies (2<SUB>G</SUB>, 3<SUB>G</SUB>, 2<SUB>D</SUB>, 3<SUB>D</SUB>). The amount of nitrogen monoxide produced upon combustion is thus reduced, while ensuring a good distribution of the heating power in the furnace.

Abstract: A burner assembly includes a fuel nozzle and an air-fuel mixing cone coupled to the fuel nozzle. Fuel is discharged from the fuel nozzle into a mixing chamber formed in the air-fuel mixing cone. Air passes into the mixing chamber through openings formed in the air-fuel mixing chamber and mixes with fuel to form a combustible air-fuel mixture in the air-fuel mixing chamber.

Abstract: A method for burning gas in a burner, including leading the gas through an inner fuel tube (13) and introduction of combustion air through an annular space surrounding the inner fuel tube. This space forms of an outer tube (11) terminated by a conically converging section, wherein the end of the inner fuel tube forms a burner head (15). The major part of the primary gas is introduced into the upstream end of the burner head, to go into the combustion air that flows past the burner head, whereas a smaller part of a secondary gas is introduced into the free end of the burner head (15) and into the constricted part of the annular channel that surrounds the burner head. The gas flow is accelerated past the burner head due to the reducing cross section and is burned downstream in relation to the burning head, wherein the mixture has properties that reduces the formation of Nox at the same time as the combustion becomes complete. It is also described a burner for performing this method.

Abstract: The invention relates to a flame burner having a nozzle (10) disposed in a head, wherein in addition to annularly disposed gas supply channels (11) the nozzle has a central gas supply opening (12), which has a laval nozzle-like region and a stabilizing region having a consistent diameter connected thereto in the flow direction. In order to flame burn a metallic surface the oxygen gas guided through a central nozzle of a flame burner is incited to oscillate in such a manner, such that a pulsating oxygen flow exiting the nozzle mouth is formed at the speed of sound, or at supersonic speed.

Abstract: A burner for fabricating an optical fiber preform, which can suppress the adhesion and deposition of glass particles to the front end of the burner without enlarging the burner diameter, is provided. The burner has a first tube, a second tube and a third tube coaxially arranged and define a glass raw material gas port, a sealing gas port, and a burnable gas port by the front end portions thereof, and a plurality of small diameter nozzles arranged between the second tube and the third tube, each of the nozzles arranged on a concentric circle relative to the glass raw material gas port and defines a combustion assisting gas port by the front end portion thereof, the front end portion of the second tube protrudes ahead of that of the first tube, and the front end portion of the third tube protrudes ahead of those of the second tube and each of the nozzles.

Abstract: The present invention concerns a burner assembly that includes a burner body having a combustible gas chamber from which a combustible gas is distributed to a plurality of burner ports at which the combustible gas can be combusted and a stability chamber in gas-flow communication with the combustible gas chamber for maintaining the combustion of the combustible gas in the stability chamber whenever the combustion of the combustible gas at the plurality of burner ports is disturbed, whereby the combustion of the combustible gas at the plurality of the burner ports may be resumed upon the cessation of the disturbance. The burner assembly can also include a burner cap for closing off the top of the burner body so as to substantially preclude the escape of the combustible gas from the combustible gas chamber, the stability gas chamber and the burner ports at the top of the burner body.

Abstract: The invention relates to a gas burner nozzle for flame work, with a central oxygen supply consisting of several pipes (13) and with several pipes (11, 12) arranged around the aforementioned oxygen supply for the supply of fuel gas. According to the invention, the pipes for the oxygen supply are arranged in groups, with the individual groups arranged coaxially and at a distance from each other, and with each group consisting of at least two rows of pipes arranged in the form of concentric rings.

Abstract: Disclosure is made of methods, systems, and apparatus for changing characteristics of noise of premixed flames supported on burners by heating burner passageways by an amount that attenuates combustion noises arising from premixed flames.

Abstract: A premix burner, for example for a gas turbine, having a conical swirl generator (1) and a cylindrical mixing section (2) which follows it in the direction of flow, includes a high-pressure atomizer nozzle (10) with one or more fuel feed passages. The high-pressure atomizer nozzle (10) includes at least two outlet passages, through which liquid fuel enters the swirl generator (1), these passages being arranged off-center with respect to the longitudinal axis of the nozzle and being configured in such a way that the spray cone (11) of the fuel is oriented at an angle (?) with respect to the longitudinal axis of the swirl generator (1) which is smaller than the cone half-angle (?) of the swirl generator (1). The outlet passages in particular have an internal geometry with a conically narrowed section.

Abstract: The present invention includes an integrated fuel processor subsystem incorporating a thermal combustor, a catalytic combustor, a quasi-autothermal reactor (QATR) and a air-fuel-steam (AFS) mixer to provide a range of operating modes exhibiting performance between that of a pure steam reformer and a pure autothermal reformer to increase the flexibility of the fuel processor to handle transient system demands such as cold starts, suppress emissions and carbon formation and improve efficiency.

Abstract: A gas burner cap for a cooking appliance includes a top side and a bottom side. The bottom side of the cap is configured to face a corresponding burner body. One or more flame-stabilization chambers are located on the bottom side of the cap.

Abstract: A flame holder system includes a modified torch body and a ceramic flame holder. Catch pin(s) are coupled to and extend radially out from the torch body. The ceramic flame holder has groove(s) formed in its inner wall that correspond in number and positioning to the catch pin(s). Each groove starts at one end of the flame holder and can be shaped to define at least two 90°turns. Each groove is sized to receive one catch pin therein when the flame holder is fitted over the end of the torch body. The flame holder is then manipulated until the catch pin(s) butt up against the end of the groove(s).

Abstract: A direct gas-fired burner assembly is disclosed in which a two-stage flame is produced. A gas manifold is attached to two baffles with apertures disposed therein. The apertures are designed such that a fuel rich zone occurs near the manifold, while a lean zone occurs away from the manifold. At high fire, the apertures create a negative pressure zone which draws the gas away from the burner thereby allowing a primary flame to burn. The primary flame in the fuel rich zone ignites a secondary flame in the lean zone. Because a flame is burning throughout the entire combustion zone, the flame does not move out past the baffles, the flame remains smaller and cooler, and a lower output of pollutants is achieved.

Abstract: A burner suppliable with a mixture of air and fuel comprises a body of the burner provided with a diffuser in the surface of which openings are made for the exit of said mixture delivered into the body of the burner, and a distributing device inserted inside said body of the burner. The distributing device comprises a regulating element provided with further openings for the transit of the mixture, the regulating element being movable within the body of the burner. The body of the burner can be subdivided into a plurality of sectors, each one of which is independently suppliable by the other sectors.

Abstract: A device and a method for flame stabilization in a burner (10), includes a burner housing at least partially enclosing a burner volume, into which may be introduced via at least one fuel line, fuel, and via at least one air feed means, air, forming an air/fuel mixture spreading in a preferred flow direction, which may be ignited in a combustion chamber (11) connecting downstream of the burner housing to form a stationary flame (13). Upstream of the flame (13), a catalyst arrangement (1) is provided through which an air/pilot fuel mixture (4), separate from the air/fuel mixture, is flowable.

Abstract: A startup burner assembly for use in snow melting applications, and which permits initiation of snow melting without first supplying water as a coolant. The startup burner assembly comprises a fuel burner having adjustable combustion output and a nozzle to facilitate the emergence of products of combustion, and a combustion chamber having a first portion in substantially air-tight communication with the fuel burner and enclosing the nozzle and a second portion shaped and dimensioned for disposition into a snow melting receptacle or pit. The combustion chamber has a plurality of discharge holes formed at least on the second portion thereof to permit the egress of products of combustion from the fuel burner into the tank or pit, and thereby permit agitation and melting of snow loaded therein, The startup burner assembly also includes an air cooling assembly for supplying air to cool at least the first portion of the combustion chamber.