Abstract: A burner assembly including a gas inlet fixture for use with a burner tube, the gas inlet fixture including a plurality of tabs to engage a neck of a gas control valve to improve ignition and center the gas flow down the center of the burner tube.

Abstract: An inlet assembly for a burner includes an inlet nozzle defining an inlet aperture coupleable with an inlet conduit providing an effluent gas stream for treatment by the burner, a non-circular outlet aperture, and a nozzle bore extending along a longitudinal axis between the inlet aperture and the outlet aperture for conveying the effluent gas stream from the inlet aperture to the outlet aperture for delivery to the combustion chamber of the burner.

Abstract: The invention provides a production method for a glass particulate deposit M which includes a deposition step where a starting rod 111 and a burner 222 for production of glass particles 130 are installed in a reactor 102, a glass source material is introduced into the burner 222, the glass source material is subjected to flame thermal decomposition in the flame formed by the burner 222 to thereby form glass particles 130, and the formed glass particles 130 are deposited on the starting rod 111 to produce a glass particulate deposit M. In the deposition step of the production method, at least two ejecting ports 231 are provided per one burner 222 for ejecting the glass source material from the burner 222, and a flow rate of the glass source material jetting out through one glass source material ejecting port 231 is from 4 m/s to 60 m/s.

Abstract: A duct burner assembly for a HRSG having a casing that defines a combustion chamber with a liner for communicating an exhaust gas. A firing runner attaches to the liner and extends through the combustion chamber. The firing runner defines a plurality of orifices for emitting combustible gas and sustaining a flame. A flame stabilizer attaches to the firing runner and is configured to at least partially shield the plurality of orifices from the exhaust gas. A guide plate attaches to the firing runner and is configured to define a slot between the liner and the guide plate. The guide plate has an upstream end and a downstream end wherein the downstream end is closer to the lining than the upstream end to control turbulent flow of the exhaust gas through the slot and cool the liner. To reduce generation of flow turbulence the tubes within the slot are covered with streamline plates. It allows to decrease a mixing between hot and cold gas flows and improve the liner cooling.

Abstract: 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 solid fuel conduit arranged to extend through the oxygen tube to convey a stream of fluidized, pulverized, solid fuel into a flame chamber. Oxygen flowing through the oxygen supply tube passes generally tangentially through a first set of oxygen-injection holes formed in the solid fuel conduit and off-tangentially from a second set of oxygen-injection holes formed in the solid fuel conduit and then mixes with fluidized, pulverized, solid fuel passing through the solid fuel conduit to create an oxygen-fuel mixture in a downstream portion of the solid fuel conduit. This mixture is discharged into a flame chamber and ignited in the flame chamber to produce a flame.

Abstract: An inspirator for use with an infrared heater and method of manufacturing a venturi body of the inspirator is described. The inspirator is formed from a solid piece of metal and has an elongated bore having en inlet and an outlet. The inlet smoothly tapers to a venturi with a successively step bore downstream of the venturi to the outlet. The inspirator has a fuel inlet and an air inlet to the venturi.

Abstract: A cooking top, especially for household use, comprises an upward facing top cover and at least one first gas burner, the first gas burner in turn comprising: first flame divider means which puts the first burner in operative communication with the outside of the cover and comprises first flame outlets in turn comprising outlet sections facing at least partly upwards, said outlet sections defining a first crown and said first crown defining and at least partly surrounding a first portion of the cooking top; and a secondary air feed conduit which extends at least partially inside the cooking top between an inlet section and a discharge section through which the secondary air escapes to the outside environment, the discharge section being formed in the first portion.

Abstract: A distributor and a fuel cell module including the distributor are disclosed. The distributor is for supplying a fuel or oxidant from a supply tube to a plurality of distribution portions. The distributor includes a buffer portion and a guide portion. The buffer portion has a center for receiving the fuel or oxidant from the supply tube, and a buffer surface extending away from the center. The guide portion defines a first space with a periphery of the buffer portion. The guide portion is radially connected to the plurality of distribution portions about a center axis of the distributor.

Abstract: A burner body for use in a gas burner assembly and/or a gas cooking appliance is disclosed. The burner body comprises a sidewall and a main gas conduit, the main gas conduit having an inlet and an outlet; a plurality of primary burner ports disposed within the sidewall so as to be in communication with the outlet of the main gas conduit; a simmer flame port disposed within the sidewall in a spaced relation with the primary burner ports for providing a reignition source therefore; a stability chamber disposed within the burner body for channeling fuel to the simmer flame port; and a divider disposed in the stability chamber to reduce susceptibility to flashback.

Abstract: A combustion device has tubular burners with mixing tubes made by joining together two plate members which have formed therein half-split mixing tubes at a distance from one another and which, when joined together, form a clearance serving as a carryover flame hole to communicate a mixing tube with an adjoining mixing tube. An intermediate flame hole portion is formed by recessing backward the front end of the carryover flame hole. A cover portion is formed in each of the two plate members so as to lie opposite to each other with a recessed space lying therebetween. The recessed space is defined as a space that is generated between the intermediate flame hole portion and a line that is drawn in front of the intermediate flame hole portion along the same longitudinal direction as the front end, except for the part of the intermediate flame hole portion.

Abstract: An gas burner assembly for a cooking appliance includes a main burner assembly, a simmer burner assembly positioned in a stacked relationship with and located below the main burner assembly, a venturi assembly for delivering a gas flow to the main burner assembly, a gas boost pump configured to control a pressurization of the gas flow, a gas valve assembly for controlling a rate of the gas flow, and an encoder coupled to the gas valve assembly, the encoder configured to track a position of the gas valve assembly and provide a signal to the gas boost pump for pressurization of the gas flow.

Abstract: A gas burner for a cooking appliance includes a frustoconically-shaped crown having a plurality of gas ports defined therein, a cover positioned above the crown, and a shell secured to the cover and positioned on the crown. The shell defines a hollow chamber positioned between the crown and the cover.

Abstract: A burner body is disclosed for use in a gas burner assembly. The burner body includes a sidewall and a main gas conduit, the main gas conduit having an inlet and an outlet; a plurality of primary burner ports disposed within the sidewall so as to be in communication with the outlet of the main gas conduit; a simmer flame port disposed within the sidewall in a spaced relation with the primary burner ports for providing a reignition source therefore; and a stability chamber disposed within the burner body, wherein the stability chamber comprises at least a first expansion region and a second expansion region, wherein the second expansion region has a greater volume than the first expansion region.

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: Apparatus for enhancing combustion of an undesired chemical to minimize the formation of smoke during operation of a flare stack for the discharge of a flare feedstream includes a plurality of high-pressure air nozzles spaced apart below and around the periphery of the stack outlet. Each nozzle is directed toward the stack outlet and in the direction of the feedstream's movement. High-pressure air from the nozzles forms a plurality of high-velocity air jets to produce a moving air mass that draws additional atmospheric air into the air mass moving toward the stack outlet to enhance combustion of the flare feedstream. Analytical means determine the stoichiometric oxygen requirements, and an air-flow valve controls the flow rate of the high-pressure air to the nozzles.

Abstract: A burner for use with cooking has a multiplicity of slots extending relative to a periphery of a burner head providing primary flame orifices. The slots have slot walls preferably extending upwardly from a slot bottom. A cap tops the burner head. Stops are disposed in the slots so that a smaller cross section is created internal to the slot than at an outlet of the stop to reduce a possibility of flame lifting under high port loading and/or high turn down ratio conditions.

Abstract: A gas burner assembly connected to a source of gas. The gas burner assembly has a burner body. The burner body has a generally enclosed chamber with a central axis and is configured with a generally circular wall. Ports are formed at the top of the wall and are in flow communication to an area external the burner body for combustion of the gas. A venturi directs the flow of gas from the source of gas into the chamber through an opening where the opening is offset from the central axis of the chamber. The burner body further has a stability chamber.

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: 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: 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 gas range having a cook top and a gas burner assembly connected to a source of gas having a variable flow rate. The burner assembly is positioned in the cook top. The gas burner assembly has a burner body with a gas input, the gas input is in a first flow communication with a first chamber and a second flow communication with a second chamber. Each chamber has at least one port in an exterior wall for flow communication to an area external of the burner body for combustion of the gas. The second flow communication has a tripping pin to deflect flow during high flow conditions and to not deflect flow during low flow conditions. A burner cap is positioned on the burner body.

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 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: 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: 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 gas burner, for example, for domestic cooking appliances, includes a bowl-shaped body associated with a gas injector, a toothed crown with a plurality of flame ports placed over the body, and an upper cap to close the burner top. The burner also has a peripheral grove that is formed on at least a part of the external surface of the toothed crown in order to increase the flame stability.

Abstract: A gas burner assembly for connection to a source of gas includes a burner body including at least one receptacle, a burner cap positioned on the burner body, at least two isolation walls coupled to the burner body, and at least one projection extending from the burner cap. The projection is configured to allow substantially uniform gas distribution through a plurality of burner ports at a first gas input rate, and configured to limit the gas distribution to at least one burner port at a second input rate greater than the first input rate input rate.

Abstract: A torch lighter includes a fuel nozzle assembly provided for vaporizing the fuel released therefrom to a high-pressured gaseous fuel to emit to the ignition chamber, wherein the vaporizer assembly includes a torch head, which is provided at an emitting end of a nozzle body and supported within a combustion housing, having a root chamber having a size larger than the size of the emitting end of the nozzle body to form a gas stabilizing reservoir to ensure a collective and stable flow of the mixture gas, and two or more elongated nozzle ducts each having an ignition end and a root end extended to a ceiling of the root chamber, wherein a mixture gas ejected from the two ignition ends is ignited in the ignition chamber to form two torches soaring away from the two ignition ends of the two nozzle ducts.

Abstract: A cooking appliance includes burners having ports that are aligned in a defined alignment with respect to an adjacent structure of a burner body or the cooking appliance within a piloting zone so that the adjacent structure guides the formation of a flame kernel at an outlet of the port. The adjacent structure may be ports which also form flame kernels withing the piloting zone of the burner port outlet, a structural portion of the burner body such as an extended lip protruding beyond the burner port or a separate structure such as a flame rod or other target that stabilizes the flame kernels at the burner port outlet. Such structures provide a method for improving the turndown ratio of burners by preventing lifting or backlash of the flame kernels generated at the burner port outlets by aligning the ports in conjunction with an adjacent structure within a piloting zone.

Abstract: A torch lighter includes a fuel nozzle assembly provided for vaporizing the fuel released therefrom to a high-pressured gaseous fuel to emit to the ignition chamber, wherein the vaporizer assembly includes a torch head, which is provided at an emitting end of a nozzle body and supported within a combustion housing, having a root chamber having a size larger than the size of the emitting end of the nozzle body to form a gas stabilizing reservoir to ensure a collective and stable flow of the mixture gas, and two or more elongated nozzle ducts each having an ignition end and a root end extended to a ceiling of the root chamber, wherein a mixture gas ejected from the two ignition ends is ignited in the ignition chamber to form two torches soaring away from the two ignition ends of the two nozzle ducts.

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 lighter nozzle system includes a diffusion body having a receiving opening adapted for communicating with a liquefied fuel storage of a lighter, an emitting opening, at least an air inlet provided thereon, wherein the air inlet is positioned adjacent to the receiving opening to define an elongated mixing chamber axially extended between the air inlet to the emitting opening, wherein a flow of air is capable of inletting into the mixing chamber through the air inlet to mix with a fuel releasing through the receiving opening to form a mixture gas at the emitting opening of the diffusion body. A nozzle assembly includes a nozzle head provided at the emitting opening of the diffusion body and a torch diversion arrangement provided at the nozzle head for radially diverging the mixture gas to produce a stylish torch when the mixture gas is ejected and ignited at the nozzle head.

Abstract: A multi-flame type lighter, comprising a housing, an ignition mechanism mounted in the housing, a supply mechanism mounted in the housing, and a flame outlet seat mounted in the housing. Thus, the supply mechanism only needs to provide a single gas supply pipe to be connected to the flame outlet seat, so as achieve the purpose of a multi-flame source, thereby simplifying the parts and construction of the multi-flame type lighter, thereby decreasing the cost of production and fabrication, and thereby facilitating maintenance of the parts. In addition, the multi-flame type lighter only needs to provide a single gas supply pipe and a single flame outlet seat, so that the volume of the multi-flame type lighter may be greatly reduced.

Abstract: A torch lighter includes a fuel nozzle assembly provided for vaporizing the fuel released therefrom to a high-pressured gaseous fuel to emit to the ignition chamber, wherein the vaporizer assembly includes a torch head, which is provided at an emitting end of a nozzle body and supported within a combustion housing, having a root chamber having a size larger than the size of the emitting end of the nozzle body to form a gas stabilizing reservoir to ensure a collective and stable flow of the mixture gas, and two or more elongated nozzle ducts each having an ignition end and a root end extended to a ceiling of the root chamber, wherein a mixture gas ejected from the two ignition ends is ignited in the ignition chamber to form two torches soaring away from the two ignition ends of the two nozzle ducts.

Abstract: An improved burner and a method for combusting fuel in burners used in furnaces, such as those used in steam cracking, are disclosed. The burner includes a burner tube having an upstream end and a downstream end and means for drawing flue gas from the furnace or air from a source of air or mixtures thereof in response to an inspirating effect of uncombusted fuel flowing through the burner tube from its upstream end towards its downstream end. A burner tip is mounted on the downstream end of the burner tube adjacent a first opening in the furnace, the burner tip having a plurality of main ports in an external surface thereof so that combustion of the fuel takes place downstream of the burner tip, the number and dimensions of said main ports in said external surface being such that the ratio of the total area of the main ports in said external surface is at least 1 square inch per million (MM) Btu/hr burner capacity.

Abstract: A multi piece gas burner assembly that is machined or cast and having a burner base that contains holes for primary air where the hole dimensions do not exceed the height of a jet mounted therein. The burner base is fastened onto an appliance. The burner head rests upon a boss on the burner base and has a tube that directs a flammable gas-air mixture from the burner base into a cavity created between the burner head and the burner cap. The burner cap rests upon the burner head and contains an outer edge that is turned downwards in order to allow fluid to drip away from the flame. A groove is cut into the burner cap just inside the down turned outer edge and provides a location for a support flame. The location of the groove prevents fluid and dust from collecting inside the groove. The groove captures the flammable gas-air mixture, which provides a constant ignition source for the gas-air mixture through slots in the burner cap when ignited.

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: A multi-flame lighter includes a housing, an igniter, a liquid fuel supply, a valve, a vaporizer, a mixing chamber, a nozzle, and a flame chamber. The multi-flame lighter produces clearly visible and forceful flames that are aesthetically pleasing and functional being equivalent to 2 or more of the flames from a conventional tighter as well as being particularly wind resistant. The multiple clearly visible and forceful flames allow a user to easily aim the cigarette or cigar to quickly achieve ignition and easily ignite the cigarette or cigar for ignition and easily ignite the cigarette of cigar with the multiple clearly visible flames.

Abstract: A gas pipe ignitor 10 is provided which is operable to ignite a non-premixed air and fuel mixture and includes an air supply conduit 20 which has an axis ASL, a supply end 22, and a flame end 24 axially spaced from the supply end 22. The gas pipe ignitor also includes a fuel supply conduit 26 extending axially interiorly within at least a portion of the air supply conduit 20 and having an entrance end 28 and an exit end 30. The gas pipe ignitor further includes two branch passages 32 each communicated with the fuel supply conduit 26. The gas pipe ignitor also includes a deflector body 38 disposed in the air supply conduit 20 and is configured relative to the air supply conduit 20 such that air flowing in the air supply conduit 20 flows along a pass through passage PTP from upstream of the upstream most surface 40 of the deflector body 38 to downstream of the deflector body 38.

Abstract: Flat-flame burner for reheat, holding and heat-treatment furnaces for iron and steel products, comprising at least one fuel-injection pipe lying along the axis of the body of the burner, a combustion tunnel and a combustion-air feed, the air being distributed in and by the said body, wherein the fuel is introduced via the injection pipe or pipes through at least one axial orifice lying in a plane close to the external plane of the combustion tunnel, into the combustion products so as to produce a first dilution of the fuel in these combustion products, the fuel/combustion products mixture thus obtained being diluted further in the combustion air.

Abstract: A gas burner assembly for connection to a gas source includes a burner body having a sidewall and a main gas conduit. The burner body further includes a number of primary burner ports disposed within the sidewall, each for supporting a respective main flame. Additionally, a main fuel chamber is disposed within the burner body to provide fuel to the primary burner ports. A burner cap is disposed atop said sidewall. A stability channel is disposed within an outer portion of the burner cap. The stability channel is positioned adjacent the primary burner ports to capture a supply of gas and hot products from the burner assembly to re-ignite the primary burner ports after flameout. This configuration creates a repository of fuel and combustion products during normal burner operation within the stability channel for re-igniting the primary burner ports after flameout, thereby reducing the sensitivity of the burner assembly to pressure disturbances, while allowing a symmetric appearance to be maintained.

Abstract: A stacked dual gas burner which achieves good performance at high firing rates as well as good simmer performance at low firing rates. The stacked dual gas burner includes a main burner and a second (simmer) burner. The main burner and second burner are positioned in a stacked relation in a burner assembly, with the second burner positioned coaxially with and below the main burner. The second burner radius is smaller than the main burner radius, such that a portion of the main burner overhangs the second burner adjacent to the second burner ports. Recirculation underneath the overhanging edge of the main burner above the simmer burner ports helps maintain flame attachment at the second burner ports. A valve may be used to provide separately controllable flows of fuel to each of the main and second burners.

Abstract: 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 slits to the combustion chamber, including a swirl vane for a flame detector having an angle of a slope formed lower than angles of slopes of other swirl vanes, the swirl vane for a flame detector having a combustion main reaction region in which the flame detector is fitted.

Abstract: A burner for operating a heat generator includes a rotation generator (100) for a combustion air stream (115), a device for injecting at least one fuel (112, 116) into the combustion air stream, a number of transition channels (201) for transferring a flow formed in the rotation generator into a mixing pipe (20) located downstream from these transition channels, and a pilot burner system (300) in the lower part of the mixing pipe (20), in which the pilot burner system (300) is in active connection with rotation generators (400) located at the end side of the mixing pipe (20). The interaction between the pilot burner system and rotation generators ensures maximized flame stability in the combustion chamber (30), and a general minimization of pollutant emissions, while increasing the load range for lower pollutants towards smaller loads.

Abstract: A cast aluminum burner base has a tubular inlet communicating with a cavity formed in an enlarged diameter flange remote from the inlet. The cavity is closed by a cast aluminum cap registered against the base. The base and cap are each castellated along the parting line such that the castellations are interdigitated. Grooves having semi-circular cross sections and formed radially across the castellations and the spaces between and close on the parting line to form circular cross section primary flame-generating ports. The castellations on the cap are truncated and tapered to provide flame stabilizing passages adjacent alternate flame-generating ports.

Abstract: A gas burner for a cooking apparatus including a head and a cap to be laid upon the head is disclosed. The head includes a base formed with a through-aperture for feeding an air/gas mixture and a peripheral skirt formed with slits substantially perpendicular to the plane of the base. The burner has a plurality of protrusions on the top face of the skirt, each one of the protrusions being at equal distance between two adjacent slits and located at least in part in the inner half of the top face of the skirt.

Abstract: A pilot air passage, a pilot fuel passage and a main fuel passage are formed in a gun head for supplying pilot air and fuel. At least one of a flow amount detecting orifice, a flow amount adjusting needle valve and a pressure detecting plug is provided in each of the pilot air passage, the pilot fuel passage and the main fuel passage and is coupled to the gun head so as to be handled together with the gun head. A pilot air tube, a pilot fuel tube and a main fuel tube are constructed in the form of a triplet tube.

Abstract: A gas mixer is provided which is especially suitable for a burner which includes a plurality of parallel supply tubes for a first gaseous reactant passing through a sealed distribution manifold through which a second reactant may be educed into each tube through an annular arrangement of orifices and admixed with the first reactant until said admixture reaches the outlet of each tube where, through ignition, an individual flamelet is formed, the multiplicity of which form a collective flame with an homogeneous ratio of reactants through the entire cross section of the flame.