IPC Classification

Class code (prefix) Descriptions Number of results
F23D 1/00 Burners for combustion of pulverulent fuel
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
F23D 3/00 Burners using capillary action
F23D 3/02 Wick burners
F23D 3/04 Wick burners with flame spreaders
F23D 3/06 Inverted wick burners, e.g. for illumination
F23D 3/08 Wick burners characterised by shape, construction, or material, of wick
F23D 3/10 Blue-flame burners
F23D 3/12 Blue-flame burners with flame spreaders
F23D 3/14 Blue-flame burners with mixing of air and fuel vapour in a chamber before the flame
F23D 3/16 Wick burners using candles
F23D 3/18 Wick burners - 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 Wick-adjusting devices directly engaging with the wick
F23D 3/32 Wick-adjusting devices 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 Burners using capillary action 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 Burners in which liquid fuel evaporates in the combustion space, with or without chemical conversion of evaporated fuel 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 5/06 Burners in which liquid fuel evaporates in the combustion space, with or without chemical conversion of evaporated fuel the liquid forming a film on one or more plane or convex surfaces
F23D 5/08 Burners in which liquid fuel evaporates in the combustion space, with or without chemical conversion of evaporated fuel the liquid forming a film on one or more plane or convex surfaces on cascaded surfaces
F23D 5/10 Burners in which liquid fuel evaporates in the combustion space, with or without chemical conversion of evaporated fuel the liquid forming a film on one or more plane or convex surfaces on grids
F23D 5/12 Burners in which liquid fuel evaporates in the combustion space, with or without chemical conversion of evaporated fuel - Details
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
F23D 11/02 Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the combustion space being a chamber substantially at atmospheric pressure
F23D 11/04 Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying action being obtained by centrifugal action
F23D 11/06 Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying action being obtained by centrifugal action using a horizontal shaft
F23D 11/08 Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying action being obtained by centrifugal action using a vertical shaft
F23D 11/10 Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour
F23D 11/12 Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour characterised by the shape or arrangement of the outlets from the nozzle
F23D 11/14 Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour characterised by the shape or arrangement of the outlets from the nozzle with a single outlet, e.g. slit
F23D 11/16 Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour in which an emulsion of water and fuel is sprayed
F23D 11/18 Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour the gaseous medium being water vapour generated at the nozzle
F23D 11/20 Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour the gaseous medium being water vapour generated at the nozzle the water vapour being superheated
F23D 11/22 Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour the gaseous medium being vaporised fuel, e.g. for a soldering lamp
F23D 11/24 Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space by pressurisation of the fuel before a nozzle through which it is sprayed by a substantial pressure reduction into a space
F23D 11/26 Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space by pressurisation of the fuel before a nozzle through which it is sprayed by a substantial pressure reduction into a space with provision for varying the rate at which the fuel is sprayed
F23D 11/28 Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space by pressurisation of the fuel before a nozzle through which it is sprayed by a substantial pressure reduction into a space with provision for varying the rate at which the fuel is sprayed with flow-back of fuel at the burner, e.g. using by-pass
F23D 11/30 Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space by pressurisation of the fuel before a nozzle through which it is sprayed by a substantial pressure reduction into a space with provision for varying the rate at which the fuel is sprayed with return feed of uncombusted sprayed fuel to reservoir
F23D 11/32 Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space by electrostatic means
F23D 11/34 Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space by ultrasonic means
F23D 11/36 Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space - Details
F23D 11/38 Nozzles; Cleaning devices therefor
F23D 11/40 Mixing tubes; Burner heads
F23D 11/42 Starting devices
F23D 11/44 Preheating devices; Vaporising devices
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 Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
F23D 14/06 Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with radial outlets at the burner head
F23D 14/08 Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with axial outlets at the burner head
F23D 14/10 Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with elongated tubular burner head
F23D 14/12 Radiant burners
F23D 14/14 Radiant burners using screens or perforated plates
F23D 14/16 Radiant burners using permeable blocks
F23D 14/18 Radiant burners 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 14/22 Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
F23D 14/24 Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other at least one of the fluids being submitted to a swirling motion
F23D 14/26 Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid with provision for a retention flame
F23D 14/28 Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid 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 Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid using a mixture of gaseous fuel and pure oxygen or oxygen-enriched air
F23D 14/34 Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion air
F23D 14/36 Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion air in which the compressor and burner form a single unit
F23D 14/38 Torches, e.g. for brazing or heating
F23D 14/40 Torches, e.g. for brazing or heating for welding
F23D 14/42 Torches, e.g. for brazing or heating for cutting
F23D 14/44 Torches, e.g. for brazing or heating for use under water
F23D 14/46 Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid - Details
F23D 14/48 Nozzles
F23D 14/50 Cleaning devices therefor
F23D 14/52 Nozzles for blow-pipes
F23D 14/54 Nozzles for blow-pipes for cutting or welding metal
F23D 14/56 Nozzles for spreading the flame over an area, e.g. for desurfacing of solid material, for surface hardening or for heating workpieces
F23D 14/58 Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
F23D 14/60 Devices for simultaneous control of gas and combustion air
F23D 14/62 Mixing devices; Mixing tubes
F23D 14/64 Mixing devices; Mixing tubes with injectors
F23D 14/66 Preheating the combustion air or gas
F23D 14/68 Treating the combustion air or gas, e.g. by filtering or moistening
F23D 14/70 Baffles or like flow-disturbing devices
F23D 14/72 Safety devices, e.g. operative in case of failure of gas supply
F23D 14/74 Preventing flame lift-off
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 14/84 Flame spreading or otherwise shaping
F23D 17/00 Burners for combustion simultaneously or alternately of gaseous or liquid or pulverulent fuel
F23D 23/00 Assemblies of two or more burners
F23D 99/00 Subject matter not provided for in other groups of this subclass