WebCPC CPC COOPERATIVE PATENT CLASSIFICATION
F23D BURNERS (generating combustion products of high pressure or high velocity F23R)
F23D 1/00 Burners for combustion of pulverulent fuel (disposition of burners F23C)
F23D 1/005 ・{burning a mixture of pulverulent fuel delivered as a slurry, i.e. comprising a carrying liquid (preparing slurries F23K 1/02)}
F23D 1/02 ・Vortex burners, e.g. for cyclone-type combustion apparatus
F23D 1/04 ・Burners producing cylindrical flames without centrifugal action
F23D 1/06 ・Burners producing sheet flames
Combustion of a liquidF23D 3/00 Burner using capillary action
F23D 3/02 ・Wick burners
F23D 3/04 ・・with flame spreaders (F23D 3/12 takes precedence)
F23D 3/06 ・・Inverted wick burners, e.g. for illumination
F23D 3/08 ・・characterised by shape, construction, or material, of wick
F23D 3/10 ・・Blue-flame burners
F23D 3/12 ・・・with flame spreaders
F23D 3/14 ・・・with mixing of air and fuel vapour in a chamber before the flame
F23D 3/16 ・・using candles (candles per se C11C)
F23D 3/18 ・・Details of wick burners
F23D 3/20 ・・・Flame spreaders
F23D 3/22 ・・・Devices for mixing evaporated fuel with air
F23D 3/24 ・・・Carriers for wicks
F23D 3/26 ・・・・Safety devices thereon
F23D 3/28 ・・・Wick-adjusting devices
F23D 3/30 ・・・・directly engaging with the wick
F23D 3/32 ・・・・engaging with a tube carrying the wick
F23D 3/34 ・・・・Wick stop devices; Wick-fixing devices
F23D 3/36 ・・・Devices for trimming wicks
F23D 3/38 ・・・Devices for replacement of wicks
F23D 3/40 ・the capillary action taking place in one or more rigid porous bodies
F23D 5/00 Burners in which liquid fuel evaporates in the combustion space, with or without chemical conversion of evaporated fuel
F23D 5/02 ・the liquid forming a pool, e.g. bowl-type evaporators, dish-type evaporators
F23D 5/04 ・・Pot-type evaporators, i.e. using a partially-enclosed combustion space
F23D 5/045 ・・・{with forced draft}
F23D 5/06 ・the liquid forming a film on one or more plane or convex surfaces
F23D 5/08 ・・on cascaded surfaces
F23D 5/10 ・・on grids
F23D 5/12 ・Details
F23D 5/123 ・・{Inserts promoting evaporation}
F23D 5/126 ・・{Catalytic elements}
F23D 5/14 ・・Maintaining predetermined amount of fuel in evaporator
F23D 5/16 ・・Safety devices
F23D 5/18 ・・Preheating devices
F23D 7/00 Burners in which drops of liquid fuel impinge on a surface
F23D 9/00 Burners in which a stream of liquid fuel impinges intermittently on a hot surface
F23D 11/00 Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space (spraying in general B05B, B05D)
F23D 11/001 ・{spraying nozzle combined with forced draft fan in one unit (nozzles per se F23D 11/38)}
F23D 11/002 ・{spraying nozzle arranged within furnace openings (refractory bricks or blocks specially shaped for burner openings F23M 5/025)}
F23D 11/004 ・・{for producing radiant heat}
F23D 11/005 ・{with combinations of different spraying or vaporising means}
F23D 11/007 ・・{combination of means covered by sub-groups F23D 11/10 and F23D 11/24}
F23D 11/008 ・・{combination of means covered by sub-groups F23D 5/00 and F23D 11/00}
F23D 11/02 ・the combustion space being a chamber substantially at atmospheric pressure
F23D 11/04 ・the spraying action being obtained by centrifugal action
F23D 11/06 ・・using a horizontal shaft
F23D 11/08 ・・using a vertical shaft
F23D 11/10 ・the spraying being induced by a gaseous medium, e.g. water vapour
F23D 11/101 ・・{medium and fuel meeting before the burner outlet}
F23D 11/102 ・・・{in an internal mixing chamber}
F23D 11/103 ・・・・{with means creating a swirl inside the mixing chamber}
F23D 11/104 ・・・{intersecting at a sharp angle, e.g. Y-jet atomiser}
F23D 11/105 ・・・{at least one of the fluids being submitted to a swirling motion}
F23D 11/106 ・・{medium and fuel meeting at the burner outlet}
F23D 11/107 ・・・{at least one of both being subjected to a swirling motion}
F23D 11/108 ・・{medium and fuel intersecting downstream of the burner outlet}
F23D 11/12 ・・characterised by the shape or arrangement of the outlets from the nozzle
F23D 11/14 ・・・with a single outlet, e.g. slit
F23D 11/16 ・・in which an emulsion of water and fuel is sprayed
F23D 11/18 ・・the gaseous medium being water vapour generated at the nozzle
F23D 11/20 ・・・the water vapour being superheated
F23D 11/22 ・・the gaseous medium being vaporised fuel, e.g. for a soldering lamp, {or other gaseous fuel}
F23D 11/24 ・by pressurisation of the fuel before a nozzle through which it is sprayed by a substantial pressure reduction into a space
F23D 11/26 ・・with provision for varying the rate at which the fuel is sprayed
F23D 11/28 ・・・with flow-back of fuel at the burner, e.g. using by-pass
F23D 11/30 ・・・with return feed of uncombusted sprayed fuel to reservoir
F23D 11/32 ・by electrostatic means
F23D 11/34 ・by ultrasonic means {or other kinds of vibrations}
F23D 11/345 ・・{with vibrating atomiser surfaces}
F23D 11/36 ・Details {e.g. burner cooling means, noise reduction means}
F23D 11/38 ・・Nozzles (nozzles in general B05B); Cleaning devices therefor
F23D 11/383 ・・・{with swirl means}
F23D 11/386 ・・・{Nozzle cleaning}
F23D 11/40 ・・Mixing tubes [or chambers]; Burner heads
F23D 11/402 ・・・{Mixing chambers downstream of the nozzle}
F23D 11/404 ・・・{Flame tubes (not forming part of the burner F23M 9/06)}
F23D 11/406 ・・・{Flame stabilising means, e.g. flame holders}
F23D 11/408 ・・・{Flow influencing devices in the air tube}
F23D 11/42 ・・Starting devices (igniting F23Q)
F23D 11/44 ・・Preheating devices; Vaporising devices (vaporising devices per se F23K 5/22)
F23D 11/441 ・・・{Vaporizing devices incorporated with burners}
F23D 11/443 ・・・・{heated by the main burner flame}
F23D 11/445 ・・・・・{the flame and the vaporiser not coming into direct contact}
F23D 11/446 ・・・・{heated by an auxiliary flame}
F23D 11/448 ・・・・{heated by electrical means}
F23D 11/46 ・・Devices on the vaporiser for controlling the feeding of the fuel
F23D 14/00 Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
F23D 14/02 ・Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
F23D 14/04 ・・induction type, e.g. Bunsen burner, ({atmospheric or aerated gas burner})
F23D 14/045 ・・・{with a plurality of burner bars assembled together, e.g. in a grid-like arrangement}
F23D 14/06 ・・・with radial outlets at the burner head
F23D 14/065 ・・・・{with injector axis inclined to the burner head axis}
F23D 14/08 ・・・with axial outlets at the burner head
F23D 14/085 ・・・・{with injector axis inclined to the burner head axis}
F23D 14/10 ・・・with elongated tubular burner head
F23D 14/105 ・・・・[N. with injector axis parallel to the burner head axis]
F23D 14/12 ・Radiant burners
F23D 14/125 ・・{heating a wall surface to incandescence}
F23D 14/14 ・・using screens or perforated plates
F23D 14/145 ・・・{the burner plate being a screen}
F23D 14/16 ・・using permeable blocks
F23D 14/18 ・・using catalysis for flameless combustion
F23D 14/20 ・Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone (F23D 14/30 to F23D 14/44 take precedence)
F23D 14/22 ・・with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
F23D 14/24 ・・・at least one of the fluids being submitted to a swirling motion
F23D 14/26 ・with provision for a retention flame (pilot flame igniters F23Q 9/00)
F23D 14/28 ・in association with a gaseous fuel source, e.g. acetylene generator, or a container for liquefied gas
F23D 14/30 ・Inverted burners, e.g. for illumination
F23D 14/32 ・using a mixture of gaseous fuel and pure oxygen or oxygen-enriched air (F23D 14/38 takes precedence)
F23D 14/34 ・Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion air (F23D 14/38 takes precedence)
F23D 14/36 ・・in which the compressor and burner form a single unit
F23D 14/38 ・Torches, e.g. for cutting, brazing, welding or heating ({nozzles for torches F23D 14/52})
F23D 14/40 ・・for welding (F23D 14/44 takes precedence)
F23D 14/42 ・・for cutting (F23D 14/44 takes precedence)
F23D 14/44 ・・for use under water
F23D 14/46 ・Details {e.g. noise reduction means}
F23D 14/465 ・・{for torches (F23D 14/52 takes precedence)}
F23D 14/48 ・・Nozzles ({injectors for mixing devices F23D 14/64}; for spraying or coating B05B)
F23D 14/50 ・・・Cleaning devices therefor
F23D 14/52 ・・・for torches; for blow-pipes
F23D 14/54 ・・・・for cutting or welding metal
F23D 14/56 ・・・for spreading the flame over an area, e.g. for desurfacing of solid material, for surface hardening, for heating workpieces, (scarfing by applying flames B23K 7/00)
F23D 14/58 ・・・characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
F23D 14/583 ・・・・{of elongated shape, e.g. slits}
F23D 14/586 ・・・・・{formed by a set of sheets, strips, ribbons or the like}
F23D 14/60 ・・Devices for simultaneous control of gas and combustion air (regulation of combustion in general F23N)
F23D 14/62 ・・Mixing devices; Mixing tubes
F23D 14/64 ・・・with injectors
F23D 14/66 ・・Preheating the combustion air or gas
F23D 14/68 ・・Treating the combustion air or gas, e.g. by filtering, by moistening (in general B01)
F23D 14/70 ・・Baffles or like flow-disturbing devices
F23D 14/72 ・・Safety devices, e.g. operative in case of failure of gas supply (protection or supervision of pipe-line systems F17D 5/00)
F23D 14/725 ・・・{Protection against flame failure by using flame detection devices (pilot flame igniters with interlock with main fuel supply F23Q 9/08)}
F23D 14/74 ・・・Preventing flame lift-off (F23D 14/70 takes precedence)
F23D 14/76 ・・・Protecting flame and burner parts
F23D 14/78 ・・・Cooling burner parts
F23D 14/80 ・・・Selection of a non-toxic gas
F23D 14/82 ・・・Preventing flashback or blowback (F23D 14/70 takes precedence; {by use of a retention flame F23D 14/26}; in gas feed lines A62C 4/02)
F23D 14/825 ・・・・{using valves}
F23D 14/84 ・・Flame spreading or otherwise shaping (F23D 14/70 takes precedence)
Other burnersF23D 17/00 Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel
F23D 17/002 ・{gaseous or liquid fuel}
F23D 17/005 ・{gaseous or pulverulent fuel}
F23D 17/007 ・{liquid or pulverulent fuel}
F23D 21/00 Burners not otherwise provided for {Note : combinations of spraying or vaporising means covered by sub-groups F23D 5/00 and F23D 21/00 are classified in F23D 11/008}
F23D 21/005 ・{specially adapted for use in particular heating operations}
F23D 23/00 Assemblies of two or more burners (gas burners with provision for a retention flame F23D 14/26; disposition of burners F23C; for industrial furnaces F27)
F23D 99/00 Subject matter not provided for in other groups of this subclass
F23D 99/003 ・{specially adapted for use in particular heating operations}
F23D 99/006 ・・{for heating liquids, e.g. for vaporising, for concentrating}
F23D 2200/00 Burners for fluid fuel
F23D 2201/00 Burners adapted for particulate solid or pulverulent fuels
F23D 2201/10 ・Nozzle tips
F23D 2201/101 ・・tiltable
F23D 2201/20 ・Fuel flow guiding devices
F23D 2201/30 ・Wear protection
F23D 2202/00 Liquid fuel burners
F23D 2203/00 Gaseous fuel burners
F23D 2203/002 ・Radiant burner mixing tubes
F23D 2203/005 ・Radiant burner heads
F23D 2203/007 ・Mixing tubes, air supply regulation
F23D 2203/10 ・Flame diffusing means
F23D 2203/101 ・・characterised by surface shape
F23D 2203/1012 ・・・tubular
F23D 2203/1015 ・・・spherical
F23D 2203/1017 ・・・curved
F23D 2203/102 ・・using perforated plates
F23D 2203/1023 ・・・with specific free passage areas
F23D 2203/1026 ・・・with slotshaped openings
F23D 2203/103 ・・using screens
F23D 2203/104 ・・Grids, e.g. honeycomb grids
F23D 2203/105 ・・Porous plates
F23D 2203/1055 ・・・with a specific void range
F23D 2203/106 ・・Assemblies of different layers
F23D 2203/107 ・・coated with catalysts
F23D 2203/108 ・・with stacked sheets or strips forming the outlets
F23D 2204/00 Burners adapted for simultaneous or alternative combustion having more than one fuel supply
F23D 2204/10 ・gaseous and liquid fuel
F23D 2204/20 ・gaseous and pulverulent fuel
F23D 2204/30 ・liquid and pulverulent fuel
F23D 2205/00 Assemblies of two or more burners, irrespective of fuel type
F23D 2206/00 Burners for specific applications
F23D 2206/0005 ・Liquid fuel burners adapted for use in locomotives
F23D 2206/001 ・Liquid fuel burners adapted for use in automobile steam boilers
F23D 2206/0015 ・Gas burners for use in retort furnaces
F23D 2206/0021 ・Gas burners for use in furnaces of the reverberatory, muffle or crucible type
F23D 2206/0026 ・Vapour burners adapted for use in illumination devices
F23D 2206/0031 ・Liquid fuel burners adapted for use in welding lamps
F23D 2206/0036 ・・Liquid fuel burners adapted for use in welding and cutting metals
F23D 2206/0042 ・Vapour burners for illumination by radiation, with vaporiser heated by an auxiliary flame
F23D 2206/0047 ・Vapour burners for illumination by radiation, with vaporiser heated by the main flame
F23D 2206/0052 ・Vapour burners for illumination by radiation, with vaporiser heated by conduction
F23D 2206/0057 ・Liquid fuel burners adapted for use in illumination and heating
F23D 2206/0063 ・・Catalytic burners adapted for use in illumination and heating
F23D 2206/0068 ・Gas burners for illumination with slot type nozzles
F23D 2206/0073 ・Gas burners for illumination with Argand nozzles
F23D 2206/0078 ・Gas burners adapted for use in lamps with preheated air
F23D 2206/0084 ・Gas burners adapted for use in ceiling and wagon lamps
F23D 2206/0089 ・Gas burners for illumination using acetylene as a fuel
F23D 2206/0094 ・Gas burners adapted for use in illumination and heating
F23D 2206/10 ・Turbines
F23D 2207/00 Ignition devices associated with burner
F23D 2208/00 Control devices associated with burners
F23D 2208/005 ・Controlling air supply in radiant gas burners
F23D 2208/10 ・Sensing devices
F23D 2209/00 Safety arrangements
F23D 2209/10 ・Flame flashback
F23D 2209/20 ・Flame lift-off / stability
F23D 2209/30 ・Purging
F23D 2210/00 Noise abatement
F23D 2210/101 ・using noise dampening material
F23D 2211/00 Thermal dilatation prevention or compensation
F23D 2212/00 Burner material specifications
F23D 2212/005 ・Radiant gas burners made of specific materials, e.g. rare earths
F23D 2212/10 ・ceramic
F23D 2212/101 ・・Foam, e.g. reticulated
F23D 2212/103 ・・Fibres
F23D 2212/105 ・・Particles
F23D 2212/20 ・metallic
F23D 2212/201 ・・Fibres
F23D 2212/203 ・・Particles
F23D 2213/00 Burner manufacture specifications
F23D 2214/00 Cooling
F23D 2700/00 TBD
F23D 2700/001 ・Air supply for wick burners
F23D 2700/002 ・Wick burners without flame spreaders or burner hood
F23D 2700/003 ・Wick burners with flame spreaders or burner hood
F23D 2700/004 ・Inverted wick burners, wick burners using preheated air
F23D 2700/005 ・Wick burners using alcohol as a fuel
F23D 2700/006 ・Wick burners using oil as a fuel
F23D 2700/009 ・Details of blue flame wick burners
F23D 2700/01 ・Blue flame burners without flame spreader or burner hood
F23D 2700/011 ・Blue flame burners with flame spreader or burner hood without a bead at the wick carrying tube
F23D 2700/012 ・Blue flame burners with flame spreader or burner hood with a bead at the wick carrying tube
F23D 2700/013 ・Blue flame burners with flame on one side only without a bead at the wick carrying tube
F23D 2700/014 ・Blue flame burners with flame on one side only and a bead at the wick carrying tube
F23D 2700/015 ・Tubes carrying the wick
F23D 2700/016 ・Safety devices for wick carrying tubes
F23D 2700/017 ・Wick adjusting devices directly engaging the wick
F23D 2700/018 ・Wick adjusting devices engaging the tube carrying the wick
F23D 2700/019 ・Wick stop devices and wick fixing devices
F23D 2700/02 ・Devices for mounting the wick to the carrier
F23D 2700/021 ・Burners in which the gas produced in the wick is not burned instantaneously
F23D 2700/022 ・Burners using carburetted gas
F23D 2700/023 ・Gasifying and evaporating devices
F23D 2700/024 ・Nozzles and cleanig devices therefor
F23D 2700/025 ・Mixing tubes and burner heads
F23D 2700/026 ・Preheating devices, starting devices
F23D 2700/027 ・Vaporisers with devices for controlling the feeding of the fuel
F23D 2700/03 ・Alcohol vapour burners
F23D 2700/031 ・Vapour burners where the vaporiser is heated by an auxiliary flame
F23D 2700/032 ・Vapour burners where the vaporiser is heated by the main flame itself
F23D 2700/033 ・Vapour burners where the vaporiser is heated by conduction
F23D 2900/00 Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
F23D 2900/00001 ・local catalytic coatings applied to burner surfaces
F23D 2900/00002 ・Cleaning burner parts, e.g. burner tips
F23D 2900/00003 ・Fuel or fuel-air mixtures flow distribution devices upstream of the outlet
F23D 2900/00004 ・Burners specially adapted for generating high luminous flames, e.g. yellow for fuel-rich mixtures
F23D 2900/00006 ・Liquid fuel burners using pure oxygen or O2-enriched air as oxidant (for gaseous fuels F23D 14/32)
F23D 2900/00008 ・Burner assemblies with diffusion and premix modes, i.e. dual mode burners
F23D 2900/00011 ・Burner with means for propagating the flames along a wall surface
F23D 2900/00012 ・Liquid or gas fuel burners with flames spread over a flat surface, either premix or non-premix type, e.g. "Flachenbrenner"
F23D 2900/00013 ・・with means for spreading the flame in a fan or fishtail shape over a melting bath
F23D 2900/00014 ・Pilot burners specially adapted for ignition of main burners in furnaces or gas turbines
F23D 2900/00015 ・Pilot burners specially adapted for low load or transient conditions, e.g. for increasing stability
F23D 2900/00016 ・Preventing or reducing deposit build-up on burner parts, e.g. from carbon
F23D 2900/00017 ・Assembled burner modules
F23D 2900/00018 ・Means for protecting parts of the burner, e.g. ceramic lining outside of the flame tube
F23D 2900/00019 ・Outlet manufactured from knitted fibres
F23D 2900/01001 ・Pulverised solid fuel burner with means for swirling the fuel-air mixture
F23D 2900/03081 ・Catalytic wick burners
F23D 2900/03082 ・Wick made of specific material, e.g. ceramic
F23D 2900/05001 ・Burner using gel type fuel
F23D 2900/05002 ・Use of porous members to convert liquid fuel into vapor
F23D 2900/11001 ・Impinging-jet injectors or jet impinging on a surface
F23D 2900/11002 ・Liquid fuel burners with more than one nozzle
F23D 2900/11101 ・Pulverising gas flow impinging on fuel from pre-filming surface, e.g. lip atomizers
F23D 2900/11401 ・Flame intercepting baffles forming part of burner head
F23D 2900/11402 ・Airflow diaphragms at burner nozzle
F23D 2900/11403 ・Flame surrounding tubes in front of burner nozzle
F23D 2900/14 ・Special features of gas burners
F23D 2900/14001 ・・Sealing or support of burner plate borders
F23D 2900/14002 ・・of premix or non premix types, specially adapted for the combustion of low heating value (LHV) gas
F23D 2900/14003 ・・with more than one nozzle
F23D 2900/14004 ・・with radially extending gas distribution spokes
F23D 2900/14005 ・・Rotary gas burner
F23D 2900/14021 ・・Premixing burners with swirling or vortices creating means for fuel or air
F23D 2900/14041 ・・Segmented or straight line assembly of burner bars
F23D 2900/14042 ・・Star shaped assembly of burner bars or arms
F23D 2900/14061 ・・for cooking ranges having a coated burner cap
F23D 2900/14062 ・・for cooking ranges having multiple flame rings
F23D 2900/14063 ・・for cooking ranges having one flame ring fed by multiple venturis
F23D 2900/14064 ・・Burner heads of non circular shape
F23D 2900/1412 ・・for radiant burners
F23D 2900/14121 ・・・with radiation intensifying means
F23D 2900/14122 ・・・with extra radiation grids, e.g. strips or rods
F23D 2900/14123 ・・・with radiation intensifying perforated plates
F23D 2900/14124 ・・・cooperating with refractory wall surfaces
F23D 2900/14125 ・・・with extra radiation screens, e.g. wires, threads or gauzes
F23D 2900/14181 ・・・Catalytic type with carbon containing radiating surface
F23D 2900/14241 ・・Post-mixing with swirling means
F23D 2900/14381 ・・Single operating member opening and closing fuel and oxidant supply valves in torches
F23D 2900/14481 ・・Burner nozzles incorporating flow adjusting means
F23D 2900/14482 ・・Burner nozzles incorporating a fluidic oscillator
F23D 2900/14581 ・・with outlets consisting of a bed of irregular particles, e.g. glass
F23D 2900/14582 ・・with outlets consisting of layers of spherical particles
F23D 2900/14641 ・・with gas distribution manifolds or bars provided with a plurality of nozzles
F23D 2900/14642 ・・with jet mixers with more than one gas injection nozzles or orifices for a single mixing tube
F23D 2900/14681 ・・Adding steam or water vapor to primary or secondary combustion air
F23D 2900/14701 ・・Swirling means inside the mixing tube or chamber to improve premixing
F23D 2900/21 ・Burners specially adapted for a particular use
F23D 2900/21001 ・・for use in blast furnaces
F23D 2900/21002 ・・for use in car heating systems
F23D 2900/21003 ・・for heating or re-burning air or gas in a duct
F23D 2900/21004 ・・for use in gas fed fireplaces
F23D 2900/21005 ・・for flame deposition, e.g. FHD, flame hydrolysis deposition
F23D 2900/21006 ・・for heating a catalyst in a car
F23D 2900/21007 ・・for producing soot, e.g. nano particle soot
--- Edited by Muguruma Professional Engineer Office(C), 2013 ---