Class / Patent application number | Description | Number of patent applications / Date published |
431354000 | MIXER AND FLAME HOLDER | 89 |
20080227045 | FUEL SELECTABLE HEATING DEVICES - In certain embodiments, an apparatus includes a burner. The apparatus can also include an intake valve that includes an input for receiving fuel from either a first fuel source at a first pressure or a second fuel source at a second pressure. The intake valve can include a first output for directing fuel received from the first fuel source and a second output for directing fuel received from the second fuel source. The intake valve can include an actuator configured to permit fluid communication between the input and the first output or between the input and the second output. The apparatus can include a pressure regulator that can include a first inlet for receiving fuel from the first output of the intake valve and a second inlet for receiving fuel from the second output of the intake valve. The regulator can also include an outlet for directing fuel from the pressure regulator toward the burner. | 09-18-2008 |
20080241777 | Gas Burner - The present invention provides a gas burner ( | 10-02-2008 |
20080254399 | Combustion apparatus and method for making and using same - A combustion apparatus is disclosed that improves oxidation efficiency without increasing either combustion apparatus size or residence time, where the apparatus includes a combustion zone having a static mixing zone along a length of the combustion zone. | 10-16-2008 |
20080261163 | Duct Burner, Particularly for a Fuel Cell System - The invention relates to a duct burner ( | 10-23-2008 |
20080268393 | BURNER - The object is to provide a burner capable of taking in sufficient primary air even though the size thereof is compact, and capable of being used as an all-primary air burner. A burner includes a mixing pipe to which a fuel gas and combustion air are supplied, a burner main body having a mixing chamber at a top end on a downstream side of the mixing pipe, and a burner head which is provided at an upper part of the burner main body while communicating with the mixing chamber and has first and second burner ports for ejecting mixed gas of the fuel gas and air for combustion mixed in the mixing chamber. The burner further includes an extension pipe in the burner main body protruding inside the mixing chamber being formed by extending the mixing pipe. | 10-30-2008 |
20080268394 | BURNER - A burner including a burner main body having a mixing pipe to which a fuel gas and combustion air are supplied and a mixing chamber provided at a top end on the downstream side of the mixing pipe, and a burner head, which is provided at an upper part of the burner main body. The burner head communicates with the mixing chamber and ejects the mixed gas of the fuel gas and air mixed in the mixing chamber. The burner head has a cylindrical shape and is provided right above the mixing chamber of the burner main body. The burner head has several first and second burner ports bored around almost an entire periphery of a side face thereof. The mixing pipe extends in a direction where the mixing pipe is crossed with an axis line of the burner head at substantially right angles to each other. | 10-30-2008 |
20090017407 | Adjustable burner - 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. | 01-15-2009 |
20090061374 | HIGH CAPACITY BURNER - The invention comprises a burner comprising a burner head and supply openings for a fuel and an oxygen containing gas, a central tubular passage for the oxygen containing gas and a radially outward positioned passage for the fuel. The passage for fuel is fluidly connected to one or more fuel discharge openings at the burner head wherein the fuel discharge openings are directed inwardly such that in use, the fuel is injected into the stream of oxygen containing gas. The central passage is provided with an obstruction located between the supply opening for oxygen containing gas and the fuel discharge openings. The invention is also directed to a process using said burner. | 03-05-2009 |
20090068609 | Burner Arrangement - A burner arrangement is disclosed with a conical swirler in the form of a double cone which is arranged concentric to a burner axis and which encloses a swirl chamber, and with a central fuel lance which lies in the burner axis and projects from the cone point of the swirler into the swirl chamber, wherein a first stage is provided for injecting premix fuel, in which the premix fuel is injected radially outwards into the swirl chamber through injection openings which are arranged on the fuel lance, and wherein a second stage is provided for injecting premix fuel, in which the premix fuel is injected into an air flow, which is guided in the double cone, through injection openings in the double cone. With such a burner arrangement, the gas pressure which is required in the first stage is reduced by the entire premix fuel being injected into the swirl chamber in the first stage through two oppositely-disposed injection openings with increased opening diameter. | 03-12-2009 |
20090087805 | In-Furnace Gas Injection Port - Tertiary nozzle of port for gas injection into furnace includes a contracted flow producing channel provided obliquely toward central axis from the upstream side of gas flow so that the gas flow has a velocity component heading from the outer circumferential side of the port toward the central axis and a velocity component heading along the central axis toward the interior of the furnace, and including louver disposed for guiding so that the gas flows along the surface of throat wall of enlarged pipe configuration wherein the gas channel is enlarged at a furnace wall opening disposed at an outlet area of the contracted flow producing channel. Accordingly, there can be provided a gas injection port that not depending on conditions, such as the flow rate of gas injected from the port, without inviting any complication of apparatus structuring or cost increase, enables preventing of the growth in lump form of clinker caused by ash adhesion and fusion on the wall surface of throat enlarged pipe portion of the furnace. | 04-02-2009 |
20090142719 | Venturi housing assembly and method - A venturi housing assembly having a horizontal wall that is cast as part of the venturi housing assembly. A plurality of gas/air release openings are cast into the horizontal wall that gradually provide a balanced mix of gas and air to one or more burner heads and release the gas and air mixture in order to provide an even heat pattern. | 06-04-2009 |
20090263757 | WALL STRUCTURE AND BURNER AS WELL AS SYSTEM - A wall structure ( | 10-22-2009 |
20090311643 | Catalytic combustion converter systems and catalysts - The pipe's inner surface is treated by electodeposited elements of a heterogeneous catalyst consisting of Platinum, Palladium and rhodium. There are air tubes that are fed by a low pressure high volume air blower, that is connected to an air regulator and to an air collector that diverts the air flow into two separate tubes that enter the burner pipe 180 degrees apart from each other, entering the burner pipe at a 45 degree angle ⅔ the distance from the mounting flange to the burner pipes end. The treated burner pipe is mounted to a burner by a flange or other means. When the burner is ignited and pipe reaches 1000° to 1200° F. the catalyst is activated and air is added until the optimum stoichiometric air-fuel ratio is reached, which is dependant on the fuel used and the content of unburned fuel in the burner. | 12-17-2009 |
20090317756 | DIGITAL HIGH TURNDOWN BURNER - A gas burner system for a heating device includes a burner, a valve assembly for controlling a flow of fuel to the burner, a blower assembly for directing air to the burner, and a control system. The burner includes one or more burner plates for facilitating the mixture of air and fuel to be combusted in a combustion chamber. The control system is configured to independently control the valve assembly and the blower assembly according to a control profile, for generating a plurality of air/fuel mixtures each configured for operation of the burner at a different firing rate. By mapping the characteristics of both the gas valve and the combustion blower independently, the burner system is assured of operating at the proper air/fuel mixture over a very wide range of firing rates, with a turndown ratio of 30:1 or greater, and within ANSI safety and performance standards. | 12-24-2009 |
20090325114 | Atmospheric Burner for Gas Log Fireplace Producing Stage Combustion and Yellow Chemiluminescent Flame - An atmospheric burner assembly for a gas log fireplace comprises a mixing chamber adapted to receive gas from a gas supply and mix gas and air therein. The burner assembly also comprises a manifold adapted to receive gas from a gas supply. The burner assembly also has a burner with a first port communicating with the mixing chamber and a second port communicating with the manifold. The second port is adapted to generate a flame pattern that is embedded within the first port. When installed in the fireplace, the burner assembly combusts pure gas at the second port for rich combustion and a mixture of gas and air at the first port for lean combustion, thereby promoting stage combustion at the burner assembly and producing a yellow chemiluminescent flame. | 12-31-2009 |
20100009307 | Combustion burner of a mixture of hydrogen and oxygen - The combustion burner of a mixture of hydrogen and oxygen according to the present invention is disclosed. The combustion burner | 01-14-2010 |
20100068667 | DEMOUNTABLE BURNER - A description is given of a burner for introducing solid, liquid or gaseous fuel into the burning zone of a kiln, such as rotary kiln for manufacturing cement clinker or “similar materials, said burner comprising a burner pipe ( | 03-18-2010 |
20100068668 | GAS BURNER - A gas burner has a fan and a mixing device disposed at the suction side of the fan. The mixing device mixes the air taken in through an intake channel with a gas supplied to the intake channel through a gas inlet to form a gas-air mixture. The mixing device has a housing with an air inlet formed with cutouts for noise reduction. | 03-18-2010 |
20100081102 | SYSTEMS AND METHODS FOR FACILITATING VARYING SIZE COAL PIPES FOR A PULVERIZED COAL BURNER - Embodiments of the invention can include systems and methods for facilitating varying coal pipes for a pulverized coal burner. In one embodiment, a method for improving operation of a pulverized coal burner comprising at least one burner comprising at least one coal pipe having an inner diameter, and an outer diameter. The method can include installing at least one sleeve or at least one liner within the coal pipe between the inner and outer diameter of the coal pipe, wherein velocity of a primary air and pulverized coal mixture is increased in an upstream portion of the coal pipe. The method can also include reducing the at least one sleeve or liner, wherein velocity of the primary air and pulverized coal mixture is reduced in a downstream portion of the coal pipe. | 04-01-2010 |
20100092902 | GAS BURNER FOR COOKING APPLIANCES - An improved gas burner for cooking appliances, with an inner central portion ( | 04-15-2010 |
20100159410 | Hydrogen-oxygen combustion burner - A hydrogen-oxygen combustion burner includes a gas line that provides hydrogen-oxygen mixed gas, a body in a sealed form to block any foreign oxygen from entering and a plurality of combusting nozzles each with multiple crater holes toward an upper body, a distributing center formed inside the body distributing hydrogen-oxygen mixed gas provided by the gas line to the crater holes, the multiple combusting nozzles being formed around the body in circle when the body is cylindrical, wherein each combusting nozzle contains a circular body of a nozzle, a slope formed on an upper part of the body of the nozzle, crater holes on the slope making an obtuse triangle, distributing center formed perpendicular to an interior of the body of the nozzle for distributing the hydrogen-oxygen mixed gas to the crater holes, a connecting screw formed at the lower part of the body of the nozzle connected with the connecting hole at the upper part of the body and wherein the crater holes become larger in its size toward the slope or they become smaller toward the slope. | 06-24-2010 |
20100167222 | FUEL NOZZLE FOR USE IN A BURNER - A fuel nozzle for use in a burner comprises a main body having an inlet end and an outlet end and defining a longitudinal axis. A fuel passageway has a fuel receiving inlet, and a fuel emitting outlet for delivering fuel to a mixing chamber of the burner. A first air flow channel having an inlet, and an outlet disposed adjacent the fuel emitting outlet for delivering air to the mixing chamber. The portion of the first air flow channel adjacent the outlet is oriented obliquely to the longitudinal axis. A second air flow channel has an inlet, and an outlet disposed adjacent the fuel emitting outlet for delivering air to the mixing chamber. The first air flow channel and the second air flow channel generally surround the fuel passageway, and are disposed on the exterior of the main body. | 07-01-2010 |
20100167223 | Hydrogen-oxygen combustion burner - A hydrogen-oxygen combustion burner includes a gas line (L) that provides hydrogen-oxygen mixed gas, a sealed body ( | 07-01-2010 |
20100178626 | BURNER HAVING VARIABLE OUTPUT STRUCTURE - An object of the present invention is to provide a burner having variable output structure that maintains the speed of a mixture injected through flame holes at a predetermined speed or more by supplying gas through a gas valve at a predetermined pressure or more, and prevents the occurrence of backfire at a low output by adjusting an opened area of the flame holes. In order to achieve the object, according to the present invention, a burner having variable output structure includes a flame-hole plate that includes a plurality of flame holes formed on the surface thereof exposed to a combustion chamber, and a flame hole adjusting unit that changes an output by adjusting the size of each flame hole according to load required in a combustion device. | 07-15-2010 |
20100248174 | LAMINAR FLOW JETS - A burner head is constructed with adjacent gas delivery tubes of different geometric cross-section shapes which are mechanically held in place radially. The tubes touch in a longitudinal direction at points along their respective inner and outer circumferences so that precise axial alignment whether coaxial or axially offset, is achieved while preserving the necessary laminar gas flow. This configuration greatly speeds the production time which allows economical burners to be produced even when a greater number of faceplate jets is desired. The tube-to-tube contact is also beneficial to the operation of the burner by providing a heat transfer path away from the innermost tube, which prevents overheating. Examples of the simplest geometric tube shapes employed are, for example, a square within a circle, or conversely, a circle within a square. | 09-30-2010 |
20100291501 | BURNER SYSTEM HAVING PREMIXED BURNERS AND FLAME TRANSFER MEANS - The invention relates to a burner system having a number of premixed burners ( | 11-18-2010 |
20100297568 | DEVICE FOR PROVIDING A GAS/COMBUSTION AIR MIXTURE FOR A GAS BURNER - The invention relates to a device for providing a gas/combustion air mixture for a gas burner, comprising a fan ( | 11-25-2010 |
20100330521 | Fuel Nozzle Having a Swirl Duct and Method for Producing a Fuel Nozzle - A method for producing a fuel nozzle is provided. In the method a swirl duct is mounted in an outer jacket surface of a pin and/or in an inner surface of a sleeve and the pin is attached in the sleeve so that the outer jacket surface of the pin is connected to the inner surface wherein the pin is disposed in the sleeve. The outer jacket surface of the pin and/or the inner surface of the sleeve includes at least one-swirl duct. A fuel nozzle and a burner are also further disclosed wherein the burner includes the fuel nozzle. | 12-30-2010 |
20110104626 | BURNING ELEMENT AND BURNER WITH A CORROSION-RESISTANT INSERT - A burner carrier flange and a burner with such a burner carrier flange are provided. A surface of the burner carrier flange potentially comes into contact with fuel. The burner carrier element includes a base material and a corrosion-resistant material and the surface that potentially comes into contact with fuel is made of the corrosion-resistant material. | 05-05-2011 |
20110151389 | AIR-GAS PREMIXING DEVICE IN A LOW-NOX GAS BURNER - An air-gas premixing device to be inserted into a low-NOx gas burner. | 06-23-2011 |
20110165530 | SWIRL-COUNTER-SWIRL MICROJETS FOR THERMOACOUSTIC INSTABILITY SUPPRESSION - Combustor. The combustor includes an axially symmetric tube along with means for introducing fuel and air into the tube. A swirler is disposed within the tube to impart rotation in a first direction to the air/fuel mixture. A plurality of holes downstream of the swirler are disposed around the tube and offset at an angle relative to an inward normal to the tube wall. Air is injected through the offset holes to impart rotation to the air/fuel mixture in a second direction opposite to the first direction. A combustion chamber having a diameter larger than that of the tube receives and burns the air/fuel mixture from the tube. | 07-07-2011 |
20110183278 | Combustion Tool Comprising a Quarl Block and an Injector, Assembly of Said Tool and Furnace Equipped with Said Tool - The invention relates to a combustion tool including a quarl block made of refractory material, the quarl block defining a quarl exit and a passage between the entry surface and quarl block, said tool including an injector of oxidizer and/or fuel that extends through the passage and opens into the quarl block, and also including a sheath that surrounds the injector in the passage section. | 07-28-2011 |
20110217664 | GAS BURNER APPARATUS WITH PRE-MIXING - A gas burner apparatus with pre-mixing includes a mixing device for mixing an air/gas mixture which is intended to be conveyed to the intake section of a fan unit whose delivery is conveyed to a combustion head of the burner. The mixing device including a plurality of ducts, each of which has a region in the form of a Venturi duct with contiguous portions which are convergent/divergent, with respect to the direction of flow, and with a restricted duct cross-section defined between the convergent portion and the divergent portion, there being conveyed in each convergent portion an air flow which is intended to be mixed with a gas flow which is introduced into the duct at the restricted cross-section, the air/gas mixture being conveyed through the divergent portion of the duct to the intake section of the fan unit. Each duct of the plurality is defined by the engagement of at least a first and a second mutually separate burner region along a mutual engagement profile, there being carried on each of the burner regions corresponding, separate portions of each of the ducts, at least a first fluid-tight sealing element being provided between the burner regions along the engagement profile in order to prevent gas and/or air from being drawn in with respect to the ducts. The at least first sealing element is interposed between the burner regions at the restricted cross-section of each of the Venturi ducts of the plurality of ducts; the at least first sealing element has through-holes which define the restricted cross-section of the corresponding Venturi duct in at least some of the plurality of ducts, as a result of the engagement of the burner regions along the engagement profile and is interchangeable with at least a second sealing element which has corresponding through-holes, whose overall size for the relevant cross-sections is different from the overall size for the cross-sections relating to the corresponding holes of the first sealing element, so as to vary the overall cross-section defined by the plurality of holes of the ducts, with at least the first element being interchanged with at least the second sealing element, and consequently to control the burner in accordance with the thermal power required and/or the flow resistances which exist in the ducts for supplying the air/gas mixture to the burner. | 09-08-2011 |
20110223551 | MIXING DEVICE FOR A GAS BURNER - A mixing device ( | 09-15-2011 |
20110244411 | GAS BURNER - A gas burner, which is particularly suitable for flame treatment of substrates having large surfaces, e.g. for coating such surfaces in a combustion chemical vapor deposition (CCVD) process, includes a burner body with a gas supply connection and a nozzle plate, wherein the burner body and the nozzle plate constitute together a gas plenum and the nozzle plate constitutes a perforated wall section of the plenum. The nozzle plate includes a large number of nozzles extending from a plenum side to a flame side of the nozzle plate and it is made of a plurality of sheets which are arranged in a stack and extend substantially perpendicular or substantially parallel to the nozzle extension. The sheets include through openings, wherein the through openings of all sheets are at least partly aligned with each other, or they have a comb-like form. | 10-06-2011 |
20120003596 | VENTED, GAS-FIRED AIR HEATER - A vented, gas-fired air heater especially designed for temporary heating applications includes an improved burner design providing effective air and gas mixing and efficient burning in the combustion chamber. Highly efficient heat exchanger including corrugated heat exchanger panels provides enhanced heat transfer characteristics. | 01-05-2012 |
20120070791 | GAS BURNER - Gas burner provided with a plurality of concentric circular flame crowns, with a burner body apt to be mounted on the surface of a cooking plate, a burner body apt to be mounted on the surface of a cooking plate and provided with a first chamber for the diffusion of the air/gas mixture, and whose top is closed by a first cover, a second outer annular burner surrounding said central burner, a first gas inlet in communication with said body, a first gas injector able of injecting a gas flow into a respective Venturi pipe to said first central burner, a second gas inlet in communication with said body, wherein said second annular burner is provided with two separate diffusion chambers, and whose top is closed by a second cover, wherein said second gas inlet is in communication with said two separate chambers which are not in communication to each other, two distinct injectors connected with said second gas inlet and placed on the same end position of said second gas inlet, two respective horizontally oriented Venturi pipes, each of which being able of supplying with an air/gas mixture a respective of said two diffusion chambers; said first gas injector and the respective Venturi pipe for the central burner are horizontally oriented, and preferably they are positioned between the two Venturi pipes dedicated to said two diffusion chambers. Said two horizontally oriented Venturi pipes for the outer annular burner and the relevant gas injectors are angled to each other, and this angle is over 70°. Preferably the Venturi pipes for the annular burner admit into respective curved chambers provided with respective vertical gas passages, extended for the whole length of said curved chamber, connecting them to respective diffusion chambers. | 03-22-2012 |
20120156629 | RICH-LEAN COMBUSTION BURNER - A row of rich-side flame holes is centrally arranged. Two rows of lean-side flame holes are arranged on both sides of the rich-side flame hole row, respectively. In addition, two rows of rich-side flame holes are arranged on the outsides of the two lean-side flame hole rows, respectively. A lower end part of a central rich-side burner part is projected into a tubular part into which the rich-side mixture is introduced, and communication holes in fluid communication with an inner space are formed in walls on both sides so as to pass completely therethrough in alignment with each other. Each communication hole has a larger diameter than an inner width P and is disposed at a portion situated nearer to the upper of the tubular part and nearer to the front so as to leave, at the rear, a space in which dust p particles are accumulated. | 06-21-2012 |
20120178035 | Device for Producing Stable and Augmented Flame - A device for producing a stable and augmented flame includes a fluid-inducing assembly and a shield. The fluid-inducing assembly includes a flow-diverting mechanism defining a flow-intake end and a flow-accelerating end and includes a plurality of vanes extending from the flow-intake end to the flow-accelerating end. The plurality of vanes are circumferentially disposed and spaced from one another. Furthermore, two vanes include a space defined therebetween and the space defines a passage which is spiral-shaped. The flow-diverting mechanism further includes a covering member with an enclosed circumferential edge circumferentially surrounded such that where each vane in the flow-accelerating end is encircled by the covering member and where each vane in the flow-intake end is exposed to outside and not covered by the covering member. In addition, the shield is hollow and is disposed above the fluid-inducing assembly. | 07-12-2012 |
20120183914 | COANDA GAS BURNER APPARATUS AND METHODS - A gas burner apparatus for discharging a mixture of fuel gas, air and flue gas into a furnace space of a furnace wherein the mixture is burned and flue gas having a low content of nitrous oxides and carbon monoxide is formed is provided. The burner tile includes at least one gas circulation port extending though the wall of the tile. The interior surface of the wall of the tile includes a Coanda surface. Fuel gas and/or flue gas conducted through the gas circulation port follows the path of the Coanda surface which allows more flue gas to be introduced into the stream. The exterior surface of the wall of the tile also includes a Coanda surface for facilitating the creation of a staged combustion zone. Also provided are improved burner tiles, improved gas tips and methods of burning a mixture of air, fuel gas and flue gas in a furnace space. | 07-19-2012 |
20120189967 | COANDA GAS BURNER APPARATUS AND METHODS - A gas burner apparatus for discharging a mixture of fuel gas, air and flue gas into a furnace space of a furnace wherein the mixture is burned and flue gas having a low content of nitrous oxides and carbon monoxide is formed is provided. The burner tile includes at least one gas circulation port extending though the wall of the tile. The interior surface of the wall of the tile includes a Coanda surface. Fuel gas and/or flue gas conducted through the gas circulation port follows the path of the Coanda surface which allows more flue gas to be introduced into the stream. The exterior surface of the wall of the tile also includes a Coanda surface for facilitating the creation of a staged combustion zone. Also provided are improved burner tiles, improved gas tips and methods of burning a mixture of air, fuel gas and flue gas in a furnace space. | 07-26-2012 |
20120196237 | Cylindrical burner and method for making the same - A gas burner for use in water heaters, boilers, cooking appliances or the like uses a ceramic cylindrical body to increase conductivity of the gas burner. The gas burner comprises a solid ceramic perforated tube and a flange arranged on one end of the tube. The burner assembly also compromises a cap arranged on the opposite end of the tube from that of the flange, wherein the tube has turn down characteristics of approximately 30 to 1. The tube is manufactured by molding a non-perforated shell within a die assembly. The non-perforated shell is then dried to a predetermined moisture content and machined with a plurality of orifices into the shell to create the burner tube for a ceramic burner assembly. | 08-02-2012 |
20120214111 | COMBUSTION PLATE - There is provided a combustion plate in which the combustion resonant sounds and instability at the time of high-load combustion can be resolved and in which a large opening ratio of the flame holes can be secured. Flame holes of an equal diameter are formed evenly over an entire surface of a combustion region of a plate main body in such a positional relationship that adjoining three flame holes form an equilateral triangle. Provided that a flame hole group which is made up of six flame holes disposed in a positional relationship to form an equilateral hexagon and one flame hole in the center of the equilateral hexagon is defined as a unit flame hole group when disposed adjacent to another flame hole group across a large equilateral hexagon enclosing the equilateral hexagon, there is formed in the surface of the plate main body a bottomed hole. | 08-23-2012 |
20120231404 | COMBUSTION DEVICE - 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. | 09-13-2012 |
20120244483 | FLAME HOLE UNIT STRUCTURE OF A GAS BURNER - A gas burner for simplifying assembling and manufacturing of a burner flame hole unit by overlapping plates. Portions of the plates are cut so that the cut portions communicate with each other. Flame holes and mixture channels for a mixture of gas and air pass through a gap between the cut portions. The cut portions overlap and communicate with each other between adjacent plates, thereby forming flame holes and channels for flow of the mixture of gas and air through gaps between the cut portions. | 09-27-2012 |
20120295207 | Premix Burner - A premix burner which comprises a combustion head comprising, in turn, a perforated covering element provided with a plurality of openings. The premix burner is characterised in that it is provided with a device for generating and delivering a minimum granted thermal power completely arranged inside the combustion head. Moreover, the device comprises a concave element, whose concavity faces the internal wall of the perforated covering element. | 11-22-2012 |
20130004906 | COMBUSTOR DOME WITH COMBINED DEFLECTOR/MIXER RETAINER - A combustor dome assembly includes a dome plate with upstream and downstream faces and an aperture therein; a deflector with body and a tube section, the deflector fixedly attached to the dome plate adjacent the downstream face with the tube section in the aperture; a retainer having an annular body with a central opening therein, an annular flange, and at least one hook defining a slot, the retainer being fixedly attached to the dome plate adjacent the upstream face of the dome plate with the flange received in the aperture; and an annular mixer with a radial array of swirl vanes and an annular mounting flange, with a retention tab extending radially outward from the mounting flange. The mixer is disposed adjacent the upstream face with the mounting flange against the retainer. The retention tab is engaged in the slot to prevent axial withdrawal of the mixer from the retainer. | 01-03-2013 |
20130011801 | BURNER DEVICE - A burner device (S | 01-10-2013 |
20130029277 | Combustor, Burner, and Gas Turbine - A combustor is provided that can ensure combustion stability even when operated on low BTU gas without needing any equipment for preventing back-flow of fuel gas during operation on pilot fuel. The combustor includes a first perforated plate disposed upstream of a combustion chamber, the first plate having a plurality of nozzle holes and air holes; a second perforated plate disposed on the upstream side of the first plate; and a plurality of gas nozzles each of which is inserted into corresponding nozzle holes. The gas nozzle has a leading end located inside the corresponding one of the nozzle holes. Each of the gas nozzles includes a jet hole portion having a diameter smaller than that of a gas jet hole of the gas nozzle; and a passage portion designed to form an air passage on the outer circumference of the leading end portion of the gas nozzle. | 01-31-2013 |
20130034817 | Afterburner for gas from gassification plant - The present invention relates to an afterburner for gas from a gasification plant. The afterburner provides an optimal mixture of combustible gas and air, permitting an optimal reaction between the O2 in the air and the gas and creating a mixture ratio that enables the load on a burner to be regulated without altering the mixture ratio between air and gas. This offers the possibility of optimal combustion even during regulation of the burner, over the whole of the relevant regulating range. The result is extremely good combustion and reduced emissions of O2, CO and NOx. | 02-07-2013 |
20130040255 | SYSTEM FOR GASIFICATION FUEL INJECTION - A system includes a gasification fuel injector, which includes a first fuel conduit configured to inject a first fuel flow from a first fuel tip, a second fuel conduit configured to inject a second fuel flow from a second fuel tip, a first gas conduit configured to inject a first gas flow from a first gas tip, a second gas conduit configured to inject a second gas flow from a second gas tip, and a third gas conduit configured to inject a third gas flow from a third gas tip. At least one of the first fuel tip, the second fuel tip, the first gas tip, the second gas tip, or the third gas tip is recessed a distance away from an outlet of the gasification fuel injector. The first and second fuel conduits and the first, second, and third gas conduits are coaxial with one another. | 02-14-2013 |
20130052597 | Oxygen Enrichment of Premix Air-Gas Burners - A premix burner arrangement for safely oxygen-enriching a premix air-fuel combustion system is disclosed. In the disclosed burner arrangement, a first conduit is arranged and disposed to provide a first gas stream. The first gas stream is a self-reactive or self-flammable premixture comprising air and a combustible gas. At least one second conduit is arranged and disposed to provide a second gas stream circumferentially around the first gas stream. The second gas stream includes oxygen. The premix burner arrangement is configured to combust or react the first stream at a temperature at least 1000° F. greater than the temperature of the second stream. A method and combustion system including the premix burner arrangement are also disclosed. | 02-28-2013 |
20130059258 | BOARD-PLANK PREMIXING BURNER PORT ARRANGEMENT - A board-plank premixing burner port arrangement which increases durability by preventing a large force from being applied to a burner-fixing structure despite accumulated thermal expansion caused by red heat on a burner surface. A burner body unit includes partially cut and stacked plates. The plates form a gas mixture passage and a burner port, are disposed such that cut parts of the neighboring plates intersect one another. The board-plank premixing burner port arrangement has increased combustion efficiency by reducing burner port deformation, and is easily manufactured at a low cost through a simplified installation structure of the burner port. | 03-07-2013 |
20130065188 | BURNER AND PILOT PROTECTOR FOR HORIZONTAL FLAMMABILITY TEST CHAMBER - A burner shield ( | 03-14-2013 |
20130089826 | TUBULAR BURNER - A tubular burner includes a mixing tube and a flame hole member having a plurality of flame holes. The flame hole member is made of a sheet metal plate and has: a circular disk part having the plurality of flame holes formed therein; and a fitting tubular member which is elongated backward from a periphery of the circular disk part and is adapted to be fitted into an inner circumference at the front end region of the mixing tube. A clearance-generating section is formed at a front of the fitting tubular member so as to generate an annular clearance between the clearance-generating section and the inner circumference at the front end region of the mixing tube. A plurality of flame retention holes are formed in the clearance-generating section at a circumferential distance from one another. | 04-11-2013 |
20130095441 | TOTALLY AERATED COMBUSTION BURNER - A totally aerated combustion burner having a combustion plate with a multiplicity of flame holes includes a distribution chamber, a mixing chamber, and an air supply chamber. The mixing chamber has a front surface with a plurality of nozzle holes disposed in parallel with, and at a lateral distance from, one another so that a fuel gas to be ejected from the nozzle holes and the primary air from the air supply chamber get mixed in the mixing chamber. A wall plate is disposed upright on a bottom surface of the mixing chamber in a manner to lie opposite to the front surface of the mixing chamber while leaving a ventilation clearance to the front surface. An air inlet is formed in such a portion at the bottom surface of the mixing chamber as to face the ventilation clearance. | 04-18-2013 |
20130101947 | TUBULAR BURNER - A tubular burner has: a mixing tube inclusive of an inlet port, a venturi section, and a tapered tube section; and a flame hole member having a plurality of flame holes and being adapted to be fitted into a front end region of the mixing tube. A flame hole member has a front plate and a rear plate, both of sheet metal make. The front plate has a first flame hole in the central portion of the front plate, and a plurality of second flame holes located around a periphery of the first flame hole. The rear plate has a first ventilation hole in the center thereof so as to lie opposite to the first flame hole, and a plurality of second ventilation holes of smaller diameter than the first ventilation hole. | 04-25-2013 |
20130101948 | TUBULAR BURNER - A flame hole member of a tubular burner has a front plate and a rear plate both of sheet metal make. The front plate has a first flame hole in the central portion of the front plate, and a plurality of second flame holes located around a periphery of the first flame hole, each of the second flame holes being of a slit shape in a width below a quenching distance. The rear plate has a first ventilation hole in the central portion of the rear plate, and a plurality of second ventilation holes of smaller diameter than the first ventilation hole, each of the second ventilation holes being located around a periphery of the first ventilation hole. At least one of the rear plate and the front plate is provided with a cylindrical section for introducing into the first flame hole. | 04-25-2013 |
20130122440 | LOW NOX BURNER APPARATUS AND METHOD - A burner apparatus for a furnace system and a method of burner operation. The burner has a series of fuel ejection structures which at least partially surround the burner wall for ejecting fuel into a combustion region projecting from the forward end of the burner wall. The ejection structures preferably eject fuel outside of the burner wall at alternating angles. Further, the burner apparatus preferably includes at least one additional series of fuel ejection structures which is spaced radially outward from the first series of ejection structures. | 05-16-2013 |
20130149654 | MIXING DEVICE FOR MIXING COMBUSTION AIR AND GAS, AND FIRING DEVICE - The invention relates to a mixing device for premixing combustion air and gas, having a gas regulating device and a gas outlet and a nozzle, wherein a gas inlet is provided on the nozzle or on a bridging element disposed on the nozzle, and the gas path from the gas outlet to the gas inlet is sealed off by a gasket extending from the gas outlet to the gas inlet. | 06-13-2013 |
20130164699 | GAS BURNER WITH MEANS FOR PREVENTING FLAME PROPAGATION - Gas burner for domestic use, of the type comprising at least one Venturi effect mixer in fluid connection with at least one combustion mixture distribution chamber and with at least one flame spreader associated with said distribution chamber, in addition to first means for preventing flame propagation of the fluid flow splitting type. Advantageously, the above-mentioned first preventing means is arranged downstream of the Venturi effect mixer and upstream of the combustion mixture distribution chamber, separating said Venturi effect mixer from the distribution chamber. | 06-27-2013 |
20130171576 | RICH-LEAN COMBUSTION BURNER AND COMBUSTION APPARATUS - There is provided a flame hole formation member | 07-04-2013 |
20130189632 | FUEL NOZZEL - The present application provides a fuel nozzle for mixing a flow of fuel and a flow of air. The fuel nozzle may include a downstream face, a number of fuel passages positioned about the downstream face for the flow of fuel, and a nozzle collar position about the downstream face. The nozzle collar may include a number of air vanes for the flow of air and one or more purge holes therethrough. | 07-25-2013 |
20130224672 | METHOD AND BURNER ARRANGEMENT FOR THE PRODUCTION OF HOT GAS, AND USE OF SAID METHOD - A method for producing hot gas for operating a turbomachine fired with at least one combustion chamber includes premixing a fuel with a plurality of operating gases by introducing fuel into the plurality of operating gases in a mixing chamber disposed upstream of the combustion chamber using a burner arrangement, wherein the fuel includes at least one of a combustible gas and a H | 08-29-2013 |
20130288190 | BURNER - The invention is directed to a burner comprising (a) a burner pipe, (b) mixing means arranged in the burner pipe for mixing an oxygen-containing gas and a fuel gas and for discharging the resulting gas mixture within the burner pipe; and (c) stabilising means downstream of the mixing means in the centre of the burner pipe, wherein the stabilising means comprises a conically shaped body which widens in flow direction. | 10-31-2013 |
20130323660 | COMBUSTION HEAD FOR A LOW NOx LIQUID FUEL BURNER - A combustion head for a burner provided with a nozzle for atomizing a liquid fuel; the head has a first body adapted to receive a primary comburent flow and having a frontal wall arranged to produce a swirl in the primary comburent flow; and a second body adapted to receive a secondary comburent flow, to convey it towards a combustion chamber and to produce a swirl therein; a duct and an intermediate body which define a channel, adapted to feed a tertiary comburent flow into the combustion chamber and having a tapered end profile which converges towards the first body and the second body; and a frontal surface of the intermediate body substantially lies on the plane defined by the frontal wall of the first body. | 12-05-2013 |
20140045128 | COMBUSTION APPARATUS - There is provided a combustion apparatus for reducing generation of NOx by securing more time for mixing fuel and air and uniformly mixing fuel and air. | 02-13-2014 |
20140093831 | PERFORATED FLAME TUBE FOR LIQUID FUEL BURNER - A flame tube for a liquid fuel burner is disclosed. The liquid fuel burner includes a fuel atomizer directing atomized fuel into the flame tube and an igniter disposed within the flame tube to ignite the atomized fuel. The flame tube comprises an outer wall and an inner wall disposed about the outer wall to define an air passage therebetween. At a discharge end of the flame tube, the outer and inner walls are conjoined to form an annular surface, the annular surface being perforated. Preferably, the annular surface is perforated in an evenly distributed pattern. | 04-03-2014 |
20140186784 | BURNER - A fuel burner includes an outer tube that extends along a central axis and has an outer surface and an inner surface defining a passage. An inner tube positioned within the passage of the outer tube has an outer surface and an inner surface defining a central passage. A fluid passage is defined between the outer surface of the inner tube and the inner surface of the outer tube. The fluid passage is supplied with a mixture of air and combustible | 07-03-2014 |
20140287371 | ENERGY-SAVING FUEL GAS SYSTEM - The invention relates to an energy-saving fuel gas system, which provides a two coexisted mechanisms comprising a premixing mode of a premixing module and a diffuse-blend mode of a diffuse-blend module. A suitable fuel, which is produced by the mixing reaction of fuel molecule and oxidative molecule to be completed by a helical or scroll type premixing module, is guided to flow into the diffuse-blend module via a fairing hood for a secondary scroll air-mixing treatment and then is performed with a combustion chemical reaction by the flames on the fire board. The combustion reaction temperature of the suitable fuel is effectively increased by the heat accumulation effect of the fire board to heat up and expand the subsequent suitable fuel, thereby thinning flammable molecule to have a maximum air-fuel ratio and breaking down minute quantity of water molecule in air into supplemental fuel and combustion assistant to attain an optimum energy-saving efficiency. | 09-25-2014 |
20150056563 | DUAL VENTURI FOR COMBUSTOR - The present invention relates to a dual venturi for a combustor and, more specifically, to a dual venturi for a combustor which can control, in two stages, the amount of gas and air supplied to a burner provided in a water heater, wherein a motor and a damper are combined in such a manner that the damper is rotated by the driving of the motor, and thus the damper simultaneously opens or closes the inlet for secondary air and gas, thereby efficiently controlling the quantity of heat. The dual venturi comprises: a housing which has a first gas inlet and a second gas inlet on one side of the upper part thereof, and which has an interior divided by a partition wall such that a first passage and a second passage are formed; and an opening and closing means which is disposed in the housing, has an upper part connected to the second gas inlet such that gas flows therein, and controls the flow of air and gas by closing or opening the second passage as a damper is rotated by a motor provided on the exterior of the housing. | 02-26-2015 |
20150056564 | DUAL VENTURI FOR COMBUSTION APPARATUS - The present invention relates to a dual venturi for a combustion apparatus, and more particularly, to a dual venturi for a combustion apparatus that is capable of effectively controlling calorific power since the amount of gas for a burner provided in a water heater and the amount of supplied air are controlled in two phases, and a motor and a damper are coupled to each other so that the damper opens or blocks inlets for secondary air and the gas at the same time that the damper is rotated by the driving of the motor. The present invention includes: a housing that is a cylindrical duct where a first passage and a second passage are formed therein partitioned by a partition wall, wherein a first gas inlet pipe is formed in one side portion of the first passage; a damper which is disposed in the second passage of the housing so as to open or block the flow of the secondary air according to the state of rotation, wherein a damper hole is formed in the damper; a secondary gas inlet pipe having one end portion coupled with the damper, wherein a secondary gas outlet is formed on the same circumference as the damper hole, a secondary gas flows into the other end portion, and the secondary gas outlet and the damper hole selectively communicate with each other according to the angle of rotation of the damper; and a motor for rotating in a coupled state with the damper which is disposed outside of the housing. | 02-26-2015 |
20150064636 | DUAL VENTURI FOR WATER HEATER - Provided is a dual venturi having: a tubular part; a body part, for opening/closing the flow of secondary air by rotating in the horizontal plane and vertical plane directions, the horizontal plane direction being the cross-sectional direction of the tubular part and the vertical plane direction being perpendicular to the horizontal plane; a central passageway, becoming the passageway for primary air; a damper part, and a damper part-side secondary gas outlet; a driving part, for rotationally driving the damper part in the horizontal and vertical planes; a gas inlet-side primary gas outlet connected openly to the damper part-side primary gas outlet; and a gas inlet for introducing gas into the tubular part via the damper part, which openly connects selectively to the damper part-side secondary gas outlet on the basis of the rotational position of the damper part, and for forming the rotational shaft of the damper part along with the rotational shaft of the driving part. | 03-05-2015 |
20150064637 | DUAL VENTURI FOR WATER HEATER - A dual venturi having a tubular part having primary and secondary passageways, wherein a primary gas inlet is provided on the side wall of the primary passageway; a body part, for opening/closing the flow of secondary air by rotating in horizontal plane and vertical plane directions, the horizontal plane direction being the cross-sectional direction of the tubular part and the vertical plane direction being perpendicular to the horizontal plane; a damper part having a damper part-side secondary gas outlet; a driving part, for rotationally driving the damper part in the horizontal and vertical planes; and a secondary gas inlet, which openly connects selectively to the damper part-side secondary gas outlet on the basis of the rotational position of the damper part, and for forming the rotational shaft of the damper part along with the rotational shaft of the driving part. | 03-05-2015 |
20150354810 | PREMIXING APPARATUS - A premixing apparatus for mixing a fuel gas with air has an air resistance changeover device for changing over a flow resistance in the air feed passage and a gas resistance changeover device for changing over a flow resistance in the gas feed passage. The air resistance changeover device includes a venturi portion provided in that part of the air feed passage which is on a downstream side of the butterfly valve. A gas chamber is provided in that part of the gas feed passage which is on a downstream side of the gas resistance changeover device. A gas suction portion is configured such that the fuel gas is sucked from the gas chamber into an entire circumference of that part of the air feed passage which is adjacent to a downstream side of the venturi portion. | 12-10-2015 |
20150369479 | FLAT BURNER - A flat burner has a mixing tube portion with an inlet port of a cross section elongated in a vertical direction and a throat portion lying adjacent to a back of the inlet port and having a cross section smaller than that of the inlet port. A distribution chamber portion introduces a mixture of a fuel gas ejected from a gas nozzle disposed to face the inlet port and primary air flowing from the inlet port. The throat portion is formed at a position in which a sectional center thereof is offset in one of the upward and downward directions relative to a sectional center of the inlet port. The gas nozzle is disposed such that an axis of the nozzle hole of the gas nozzle passes through a vertical position that is offset from the sectional center of the throat portion toward the sectional center of the inlet port. | 12-24-2015 |
20160003472 | FLAT-FLAME NOZZLE FOR BURNER - According to the present disclosure, a flat-flame nozzle is provided for producing a flat flame in a flame chamber included in a burner assembly. The flat-flame nozzle is configured to conduct fuel from a fuel supply to an ignition zone in the flame chamber. In some illustrative embodiments, the flat-flame nozzle is also configured to conduct oxygen from an oxygen supply to the ignition zone to produce a combustible oxygen-fuel mixture in the flame chamber. In illustrative embodiments, a removable first plate-separation border frame is positioned to lie between a first lower plate and a companion first upper plate. This border frame is configured to cooperate with those plates to form in the flat-flame nozzle a fuel-discharge outlet and a fuel-transport passageway communicating with the fuel-discharge outlet. | 01-07-2016 |
20160061445 | DUAL VENTURI FOR COMBUSTION DEVICE - A dual venturi for a combustion device that can control the quantities of gas and air supplied to the burner of a water heater and in which a motor is combined with a damper so as to simultaneously open and close the inlets for secondary air and gas and efficiently control the quantity of heat, in order to increase the turn-down ratio. The dual venturi includes: a housing having a discharge part coupled to a turbo fan; an air supply unit divided into first and second air supply units; a gas supply unit divided into first and second gas supply units communicating with the first and second air supply units; and an opening and closing unit that blocks the flow of secondary air and secondary gas when needing a low quantity of heat, and opens both the second air supply unit and the second opening when needing a high quantity of heat. | 03-03-2016 |
20160069563 | DEVICE FOR BURNING PRE-MIXED GAS - A device for burning premixed gas, including a ventilator ( | 03-10-2016 |
20160102858 | BURNER - A burner comprises a tubular diffuser wall and an inlet passage for a gas mixture into the diffuser wall, as well as a first diaphragm with one or more first through openings and a second diaphragm with one or more second through openings of different shape and distribution from those of the first through openings, said first and second diaphragms being substantially concentric and arranged in sequence in the inlet passage. | 04-14-2016 |
20160109119 | TUBULAR BURNER - A tubular burner includes: a mixing tube having an inlet port into which a fuel gas and primary air flow; and a flame hole member having a plurality of flame holes and being fitted into a front end portion of the mixing tube. The flame holes of the flame hole member are made up of a central main flame hole and a plurality of subsidiary flame holes positioned around, and each being smaller than, the central main flame hole. In an annular region of the flame hole member defined between an outer periphery of the flame hole member and the central main flame hole, a plurality of non-flame-hole regions which are free from formation of the subsidiary flame holes are provided at a circumferential distance from one another. The plurality of the subsidiary flame holes are formed in each of flame hole regions defined between the non-flame-hole regions. | 04-21-2016 |
20160123579 | Adjustable Burner - A system for burning reactants. The burner has a burner shroud coupled to an upstream mixing tube. The burner shroud has swirlers. A gas coupler is upstream from the mixing tube, and the gas coupler has at least one air inlet and one air inlet adjuster. The air intake adjuster is adjustable relative to the air inlet such that the amount of air received by the air inlet can be controlled and adjusted. The burner can be coupled to the headspace of one tank and used to combust reactants collected in the headspace. | 05-05-2016 |
20160161112 | Premix Gas Burner - An air/gas premix burner is disclosed. The air/gas premix burner includes a fan for sending an air/gas mixture towards a combustion head and a gas valve for regulating the introduction of combustible gas. The air/gas premix burner also includes an air/gas mixer, which comprises a localized pressure loss device, and a combustion head. The air/gas mixer includes two channels. One of the channels is provided with two hinged flaps that are designed to open and close for regulating the flow rate of the mixture. | 06-09-2016 |
431355000 | Bunsen burner type | 6 |
20110053105 | BUNSEN BURNER USING LEAN-RICH COMBUSTION TYPE - A Bunsen burner which reduces pollutant materials generated during combustion by adopting a lean combustion, enhancing combustion stability. The Bunsen burner includes burner bodies, each including: a venturi plate having a venturi hole through which a gas mixture is introduced, wherein air supplied from a fan is mixed with fuel jetted from a nozzle unit, a guide plate for guiding the gas mixture upward, an inclined portion having first flame holes for jetting the gas mixture at an oblique angle with respect to the vertical direction, a side portion that extends downward from a lower side of the inclined portion and includes through-holes through which some of the gas mixture passes, and a connection plate having opposed ends connected to the side portions of the burner bodies, respectively, and having second flame holes in which the gas mixture passing through the through-holes and secondary air, introduced by the fan and supplied along outer surfaces of the burner bodies, are mixed so that lean combustion occurs. | 03-03-2011 |
20120070792 | VERTICAL FLAME BURNER - A gas burner ( | 03-22-2012 |
20120225393 | GAS BURNER - The present invention relates to a gas burner in which a burner body and a side plate are assembled together without a welding process, to thereby simplify manufacturing procedures and reduce manufacturing costs. To accomplish this, the gas burner of the present invention includes a plurality of burner units ( | 09-06-2012 |
20160084497 | Burner - This invention relates to a burner | 03-24-2016 |
20160169508 | INWARD FIRING MULTIPLE ZONED GAS BURNER | 06-16-2016 |
20160195268 | BURNER NOZZLE | 07-07-2016 |