Class / Patent application number | Description | Number of patent applications / Date published |
431350000 | FLAME HOLDER HAVING PROTECTIVE FLAME ENCLOSING OR FLAME STABILIZING STRUCTURE | 41 |
20090081601 | Flame Holder System - A flame holder system includes a modified torch body and a ceramic flame holder. Catch pin(s) are coupled to and extend radially out from the torch body. The ceramic flame holder has groove(s) formed in its inner wall that correspond in number and positioning to the catch pin(s). Each groove starts at one end of the flame holder and can be shaped to define at least two 90°turns. Each groove is sized to receive one catch pin therein when the flame holder is fitted over the end of the torch body. The flame holder is then manipulated until the catch pin(s) butt up against the end of the groove(s). | 03-26-2009 |
20090087804 | BURNER CAP FLAME STABILIZATION CHAMBER - 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. | 04-02-2009 |
20090186310 | GAS BURNER NOZZLE - The invention relates to a gas burner nozzle for flame work, with a central oxygen supply consisting of several pipes ( | 07-23-2009 |
20090214998 | BURNER FOR FABRICATING OPTICAL FIBER PREFORM - A burner for fabricating an optical fiber preform, which can suppress the adhesion and deposition of glass particles to the front end of the burner without enlarging the burner diameter, is provided. The burner has a first tube, a second tube and a third tube coaxially arranged and define a glass raw material gas port, a sealing gas port, and a burnable gas port by the front end portions thereof, and a plurality of small diameter nozzles arranged between the second tube and the third tube, each of the nozzles arranged on a concentric circle relative to the glass raw material gas port and defines a combustion assisting gas port by the front end portion thereof, the front end portion of the second tube protrudes ahead of that of the first tube, and the front end portion of the third tube protrudes ahead of those of the second tube and each of the nozzles. | 08-27-2009 |
20090269712 | BURNER - An apparatus and method for relieving an ignition pulse that may be created at burner ignition in a gas-fired appliance. The burner is located in a combustion chamber forming part of the appliance such as a water heater. A port for admitting air into the combustion chamber is provided and sufficiently sized to relieve an ignition pulse if created upon burner ignition. The air opening is overlaid with an element made from a material that contains a plurality of small openings and is formed into a cup-shaped configuration so that the total area of the material, including both open and non-open areas is substantially greater than the air opening. The port defines an opening for admitting secondary air into the combustion chamber for some applications. The element that overlies the opening may be constructed from one or more layers of a wire mesh material. | 10-29-2009 |
20100173255 | NOx-REDUCTION APPARATUS, METHOD OF MAKING, FURNACE, HVAC UNIT, AND BUILDING - NOx reduction apparatuses for use in heat exchangers or furnaces, HVAC units and buildings having such devices, and methods of making such devices. Wire embodiments may have a body, helix, or modified helix, and support members that extend outside the body to hold the body away from the heat exchanger or tube. The support members may be made of the wire, and may include bights, twisted bights, or larger (e.g., helical) turns, for instance, between groups of smaller helical turns. In some embodiments, a modified helix is formed by alternating bends and straight sections of wire. Some embodiments include an attachment mechanism that may be made from the wire and may include a hook. Wire may be Nichrome. Particular embodiments may allow burning of natural gas or LP without changing or removing the wire. | 07-08-2010 |
20100209862 | Burner nozzle assembly for use in association with animal carcass dehairing equipment - A burner nozzle assembly having a base chamber, a flame chamber and a nozzle plate. The base chamber has an outer wall and an inner wall. The flame chamber is positioned above the base chamber and has an outer wall and an inner wall, and has two opposing channels splitting the outer and inner wall into two separate elements. The nozzle plate is positioned between the base chamber and the flame chamber and has a upward conical configuration, an upper wall and a lower wall. A plurality of circumferential spaced apart openings extend through the nozzle plate. An elongated slot is disposed across the nozzle plate to provide fluid communication between the base chamber and the flame chamber. The elongated slot has opposing ends which terminate proximate a respective opposing channel, to facilitate the generation of an thin but wide flame through the elongated slot. | 08-19-2010 |
20100255436 | Outdoor torch safety cap - An outdoor torch safety cap including a pair of interlocked telescoping cylinders, a platform formed on the end of inner cylinder, an inner disc formed on the interior surface of the outer cylinder, multiple spaced tabs formed on the platform and on the inner disc, a compression spring disposed between the cylinders such that when the spring is compressed the tabs on the platform come into contact with the tabs on the inner disc to facilitate rotation of the inner cylinder, and an inner disc formed on the interior of the inner cylinder to prevent the escape of fuel when the safety cap is tightened over the fuel opening formed in the container top of an outdoor torch. | 10-07-2010 |
20100304318 | FIRE AND WATER DISPLAY WITH INTEGRATED SAFETY FEATURES - A system for providing a combined water and fire display is provided. More specifically, a decorative display comprises a dynamic water and fire display device where fuel/air, water, and fire are integrated. The decorative display provides for unique aesthetic qualities and an appearance wherein flames are positioned at or near the surface of a volume of water. In various embodiments, the decorative display further comprises various safety features including the ability to detect and self-regulate conditions such as the existence and/or absence of a pilot flame, an adequate amount of water, and the temperature of various portions of the system. The decorative display further contemplates the ability to operate without one or more disclosed features, such as when only a water display or only a fire display is desired. | 12-02-2010 |
20100311001 | FLAME ARRESTER ARRANGEMENT - In a flame arrester arrangement having a housing ( | 12-09-2010 |
20100330520 | Combustion apparatus - A combustion apparatus mainly consists of burners, a fuel supply channel having branched channels, an air feeder for supplying air to the burners, and a pressure regulator and has a combustion space. The branched channels allow fuel gas supplied to the burners to pass therethrough and are provided with shutoff valves. The pressure regulator includes a signal-pressure inlet and a secondary-pressure inlet. A signal pressure introduced through the signal-pressure inlet is detected at a downstream of the air feeder and a secondary pressure introduced through the secondary-pressure inlet is detected at a vicinity of a boundary of the branched channels in the fuel supply channel. Fuel gas discharged from the pressure regulator is regulated so as to satisfy a predetermined relationship between the signal pressure introduced through the signal-pressure inlet and the secondary pressure introduced through the secondary-pressure inlet. | 12-30-2010 |
20110045426 | Method and apparatus for enhanced flameholding in augmentors - Techniques for the enhancement of the stability of an afterburning flame in the viscinity of a low pressure loss augmentor are provided by various geometrical modifications of the base region of the augmentor. | 02-24-2011 |
20110081621 | METAL BURNER MEMBRANE - The invention relates to a gas burner comprising a metal burner membrane having a base section ( | 04-07-2011 |
20110177465 | ALTERNATIVE-FUEL GAS ORIFICE HAVING PRINCIPAL-FUEL GAS ORIFICE TEMPERATURE PROFILE AND A HEATING, VENTILATION AND AIR CONDITIONING SYSTEM INCORPORATING THE SAME - An alternative-fuel gas orifice, a gas furnace configured to employ the same and a method of designing a gas orifice. In one embodiment, the gas orifice includes: (1) a body having an aperture extending therethrough and including: (1a) a metering neck having a cross-sectional area such that a given flow rate of a gas is established when the gas is delivered to the gas orifice at a given alternative-fuel delivery pressure and (1b) a diffuser having a cross-sectional area larger than the cross-sectional area of the metering neck and a length such that the gas achieves a substantially laminar flow before exiting the diffuser. | 07-21-2011 |
20110306000 | COMBUSTOR OF WATER HEATER - A combustor of a water heater includes a burner member and a flame cover. The burner member has a passageway therein with an inlet and an outlet. The flame cover has a plurality of flame holes. The character of the present invention is that the burner member is provided with a room at a top thereof communicated with the passageway. A separating device is put in the room, and the flame cover is connected to the burner member to cover the separating device The separating device has a main outlet and two side outlets right under the flame holes of the flame cover to generate main flames and side flames respectively. | 12-15-2011 |
20120088201 | APPARATUS AND METHOD FOR MODIFYING A COMBUSTOR NOZZLE - A combustor nozzle includes a nozzle body that defines a cavity. An orifice in the nozzle body provides fluid communication from the cavity through the nozzle body. A movable barrier proximate to the orifice has a first position in which the movable barrier at least partially obstructs the orifice. A method for supplying fuel to a combustor includes flowing fuel through an orifice in a nozzle, determining a reactivity of the fuel, and adjusting an effective cross sectional area of the orifice based on the reactivity of the fuel. | 04-12-2012 |
20120122045 | SEAL ARRANGEMENT - A seal arrangement for a silo combustor includes a first casing and a second casing each forming a passageway for a gas, an end portion of the first casing being disposed radially inside an end portion of the second casing such that the first and the second casing form an overlapping region having a radial gap. A segmented seal has at least two adjacent segments disposed in the overlapping region so as to seal the radial gap, wherein the first casing includes at least one opening disposed in a region between the at least two adjacent segments. | 05-17-2012 |
20120135360 | Premix Flashback Control - An apparatus includes a furnace structure defining a combustion zone, and a tube that discharges fuel-oxidant premix into the combustion zone through an outlet from the tube. A reactant supply system provides the tube with unmixed fuel and oxidant for forming the premix. A flashback control means inhibits or extinguishes flashback in the tube. | 05-31-2012 |
20120208141 | COMBUSTOR - A combustor includes a combustion chamber and a liner surrounding the combustion chamber. A ridge on top of the liner extends continuously around the liner. In alternate embodiments, a ridge extends continuously around the liner, and a groove extends continuously around the liner adjacent to the ridge, wherein both of the ridge and the groove are either substantially flat or curved. | 08-16-2012 |
20140011144 | LIGHTER WIND PROTECTOR - A lighter wind protector is disclosed herein which has a lighter hole sized and configured to receive a lighter. The lighter is inserted into the lighter hole until a lighter head is aligned to a flame hole defined by an end wall Sidewalls of the protector block the wind to prevent the wind from blowing out the flame of the lighter. | 01-09-2014 |
20160025334 | OXYGEN-FUEL BURNER WITH STAGED OXYGEN SUPPLY - A nozzle in a burner assembly is configured to produce a flame. The nozzle is configured to include a fuel-discharge outlet and to conduct fuel along a path in the nozzle to the fuel-discharge outlet. Pressurized primary oxygen is provided to mix with fuel discharged by the nozzle to produce a mixture that can be ignited to produce a flame. Staged oxygen is provided to the flame in a region downstream from the nozzle. | 01-28-2016 |
431351000 | Including means feeding air axially spaced points of the flame | 10 |
20090075223 | BURNER APPARATUS - A burner assembly includes a fuel nozzle and an air-fuel mixing cone coupled to the fuel nozzle. Fuel is discharged from the fuel nozzle into a mixing chamber formed in the air-fuel mixing cone. Air passes into the mixing chamber through openings formed in the air-fuel mixing chamber and mixes with fuel to form a combustible air-fuel mixture in the air-fuel mixing chamber. | 03-19-2009 |
20110306001 | ROTATING-GAS DISTRIBUTION DESIGN - A burner includes a generally cylindrical casing ( | 12-15-2011 |
20120276490 | BURNER AND COMBUSTION DEVICE COMPRISING SAID BURNER - The burner ( | 11-01-2012 |
20120308947 | COMBUSTOR HAVING A PRESSURE FEED - A combustor having a pressure feed is provided and includes an outer vessel, an intermediate vessel disposed within the outer vessel to form an outer annulus, an inner vessel disposed within the intermediate vessel to form an inner annulus between the intermediate and inner vessels, by which upstream portions of fuel nozzles disposed within the inner vessel are fed, and an internal volume within the inner vessel about downstream portions of the fuel nozzles and a tubular assembly by which the outer annulus and the internal volume are communicative. | 12-06-2012 |
20120322013 | Combustor Housing for Combustion of Low-BTU Fuel Gases and Methods of Making and Using the Same - A combustor housing includes an inlet cover plate having a central inlet configured to receive a supply of one of a high BTU content fuel or air and at least one radially-spaced, peripheral fuel inlet configured to receive a supply of a low BTU content fuel and an outlet cover plate having at least one radially-spaced, peripheral fuel outlet. The combustor housing also includes a peripheral sidewall joining the inlet cover and the outlet cover and enclosing a plenum, the at least one peripheral fuel inlet opening through the inlet cover plate into the plenum and the at least one fuel outlet opening from the plenum through the outlet cover plate. The central inlet opens into at least one conduit which extends away from the central inlet and opens into at least one high BTU content fuel conduit or air supply conduit that is axially aligned with the at least one fuel outlet. | 12-20-2012 |
431352000 | Axial perforations along combustion tube | 5 |
20100015562 | PERFORATED FLAME TUBE FOR A 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. | 01-21-2010 |
20110091829 | MULTI-FUEL COMBUSTION SYSTEM - The present invention explains a multi-fuel combustion system. It consist of a combustor basket adapted to combust at least two type of fuels. The combustor basket has got a circumferential wall comprising a plurality of openings. The combustion system further has a first conduit adapted to provide a first type of fuel directly to the combustor basket, a second conduit adapted to provide a second type of fuel directly to the combustor basket and a third conduit adapted to inject at least one of the first type of fuel and the second type of fuel through the openings into the combustor basket. | 04-21-2011 |
20120308948 | COMBUSTOR NOZZLE AND METHOD FOR MODIFYING THE COMBUSTOR NOZZLE - A combustor nozzle includes a downstream surface having an axial centerline. A plurality of passages extend through the downstream surface and provide fluid communication through the downstream surface. A plurality of slits are included in the downstream surface, and each slit connects to at least two passages. A method for modifying a combustor nozzle includes machining a plurality of slits in a downstream side of a body. The method further includes connecting each slit to at least two passages that pass through the body. | 12-06-2012 |
20130115566 | COMBUSTOR HAVING WAKE AIR INJECTION - A combustor having wake air injection is provided. The combustor includes a fuel nozzle, first and second vessels formed and disposed to define a flow path along which a first fluid flows in first and second opposite directions toward the fuel nozzle, a vane disposed in the flow path and an injector to inject a second fluid into wake formed by an obstruction disposed in the flow path upstream from the vane. | 05-09-2013 |
20160138802 | FUEL BURNER - A burner is provided. The burner includes an air compressor, an atomizing head having an air orifice, first and second fuel tanks, the first fuel tank being located at least partially below the atomizing head, and the second fuel tank being located at least partially above the atomizing head, a first fluid pathway connecting the air compressor to the air orifice of the atomizing head, a second fluid pathway having a first end configured to receive air from the air compressor, and a second end extending into the first fuel tank, a third fluid pathway connecting from the first fuel tank to the second fuel tank, and a fourth fluid pathway connecting the secondary fuel tank to a distribution point above the atomizing head. The second and third fluid pathway define at least a portion of a bubble pump. The burner is configured to use air from the air compressor to both (a) deliver fuel to the atomizing head, and (b) atomize the delivered fuel at the atomizing head. | 05-19-2016 |
431353000 | Tubular member delineates flame | 10 |
20080233525 | Turbine engine having folded annular jet combustor - A combustor for a turbine engine is disclosed. The combustor may have a can-like dilution zone, a primary combustion zone, and a secondary combustion zone. The primary combustion zone may be disposed radially about the can-like dilution zone. The secondary combustion zone may be disposed at an end of the can-like dilution zone to fluidly communicate the primary combustion zone and the can-like dilution zone. | 09-25-2008 |
20090098496 | HEAT EXCHANGER WITH NOX-REDUCING TRIANGLE - A heat exchanger having a frame and a combustion tube mounted to the frame wherein the combustion tube is configured to contain a flame produced from a fuel/air mixture introduced therein, and the combustion tube is configured to exhaust combustion products of the fuel/air mixture, the improvement comprising an insert coupled to the frame and having a longitudinal axis extending along and within the combustion tube wherein the insert has a triangular cross-section normal the longitudinal axis and configured to intersect a periphery of the flame. A method of manufacturing a heat exchanger is also provided. | 04-16-2009 |
20120231403 | Easy Transportable Vortex Type Gas Lamp - A gas lamp includes first and second main structures. The first main structure forms a foundation of the gas lamp and includes a reservoir as a fuel tank. The second main structure is directly and releasably mounted atop of the first main structure. The second main structure includes a fluid guiding member, a carrier mechanism, a covering member, and a shield. The fluid guiding member defines a fluid entry zone and a fluid acceleration zone. The covering member includes the fluid acceleration zone circumferentially surrounded therein. The gas lamp includes the carrier mechanism adapted to be grasped, which facilitates disengagement of the first and second main structures for fuel refill and easy transportation of the second main structure. | 09-13-2012 |
20130089825 | SWIRL COMBUSTION AIR FUEL TORCH - A torch is provided having a tube having an inside diameter, a body and an orifice tip having a bore, where the diameter of the bore of the orifice tip and the inside diameter of the tube have a particular ratio based upon the type of fuel used for the operation. | 04-11-2013 |
20130143171 | IGNITION TORCH AND PRESSURIZED GASIFICATION FURNACE INCLUDING THE SAME - Provided is an ignition torch that can easily be inspected regardless of the state inside a gasification furnace. An ignition torch ( | 06-06-2013 |
20130252188 | Flame Device - A flame device includes a fluid inducing assembly that can induce external air therein. A flow diverting mechanism includes a plurality of vanes. The plurality of vanes are circumferentially disposed and each pair of adjacent vanes includes a space therebetween defining a passage which is spiral shaped. Each vane has a first section exposed to outside and not concealed by a concealing member defining a flow intake zone. Each vane has a second section encircled by the concealing member defining a flow accelerating zone. A shield is disposed above the fluid inducing assembly. A combustion head is disposed above the flow diverting mechanism and includes a mixing chamber, a flame guiding member, and a plurality of grooves. The flame guiding member is in a spaced relationship and circumferentially conceals a wall delimiting the mixing chamber. | 09-26-2013 |
20130309620 | OPEN FLAME CONTROL SYSTEM FOR WEED CONTROL - An open flame control device for weed control. The device includes a substantially cylindrical basket having an open framework including a plurality of substantially equally spaced-apart longitudinal struts attached to a plurality of hoops, struts being inwardly and upwardly bent at the upper end of the basket. A hub is located at the upper end of the basket and is attached to the inwardly and upwardly bent struts. An open flame burner is located within the basket and attached to the hub. A porous metal fabric liner surrounds the inside of the basket and is attached thereto. A metal flame reflector is located at the lower end of the basket and occupies the back side portion of the basket. Means are provided for communicating the open flame burner with a supply of propane. Optionally, means are provided to supply water to the bottom of the basket. | 11-21-2013 |
20140011145 | Flame Holder System - A flame holder system includes a modified torch body and a ceramic flame holder. Catch pin(s) are coupled to and extend radially out from the torch body. The ceramic flame holder has groove(s) formed in its inner wall that correspond in number and positioning to the catch pin(s). Each groove starts at one end of the flame holder and is can be shaped to define at least two 90° elbows. Each groove is sized to receive one catch pin therein when the flame holder is fitted over the end of the torch body. The flame holder is then manipulated until the catch pin(s) butt up against the end of the groove(s). | 01-09-2014 |
20140199647 | GAS BURNER ASSEMBLY - The present subject matter provides a gas burner assembly for an appliance. The gas burner assembly includes a burner tube and a shutter slidably mounted to an end portion of the burner tube. The shutter defines a slot with an axially extending portion. A boss is mounted to the tubular burner and is received within the slot of the shutter. The boss is movable within the axially extending portion of the slot in order to permit the shutter to slide along an axial direction on the burner tube. Such features can facilitate access to an orifice of the gas burner assembly. | 07-17-2014 |
20160377282 | COMBUSTION APPARATUS - A combustion apparatus has a plurality of longitudinally elongated gas burners, each having a burner port on an upper end thereof. A damper is disposed to cover gas inlet ports on an upstream end of an air-fuel mixing tube portion of each of the gas burners. The damper has formed therein ventilation holes for limiting primary air. The ventilation holes overlap, and are smaller than, the gas inlet ports. The damper has #1 ventilation holes having obstacles against which the fuel gas to be ejected from the gas nozzles strike, and #2 ventilation holes without obstacles. Poor combustion such as flame lifting is restricted and combustion noises are reduced. | 12-29-2016 |