1. CPC Sections
  2. CPC Section F
  3. CPC Class F23
  4. CPC Subclass F23D
Printable version [PDF]
Version: 2025.01
Loading Scheme...
CPC
COOPERATIVE PATENT CLASSIFICATION
​
F23D
BURNERS [2021-05]
WARNING

  • In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.
F23D 1/00
Burners for combustion of pulverulent fuel (disposition of burners F23C) [2013-01]
F23D 1/005
.
{burning a mixture of pulverulent fuel delivered as a slurry, i.e. comprising a carrying liquid} [2021-05]
F23D 1/02
.
Vortex burners, e.g. for cyclone-type combustion apparatus [2013-01]
F23D 1/04
.
Burners producing cylindrical flames without centrifugal action [2013-01]
F23D 1/06
.
Burners producing sheet flames [2013-01]
Combustion of a liquid [2013-01]
F23D 3/00
Burners using capillary action [2017-08]
F23D 3/02
.
Wick burners [2013-01]
F23D 3/04
. .
with flame spreaders (F23D 3/12 takes precedence) [2013-01]
F23D 3/06
. .
Inverted wick burners, e.g. for illumination [2013-01]
F23D 3/08
. .
characterised by shape, construction, or material, of wick [2013-01]
F23D 3/10
. .
Blue-flame burners [2013-01]
F23D 3/12
. . .
with flame spreaders [2013-01]
F23D 3/14
. . .
with mixing of air and fuel vapour in a chamber before the flame [2013-01]
F23D 3/16
. .
using candles [2021-05]
F23D 3/18
. .
Details of wick burners [2013-01]
F23D 3/20
. . .
Flame spreaders [2013-01]
F23D 3/22
. . .
Devices for mixing evaporated fuel with air [2013-01]
F23D 3/24
. . .
Carriers for wicks [2013-01]
F23D 3/26
. . . .
Safety devices thereon [2013-01]
F23D 3/28
. . .
Wick-adjusting devices [2013-01]
F23D 3/30
. . . .
directly engaging with the wick [2013-01]
F23D 3/32
. . . .
engaging with a tube carrying the wick [2013-01]
F23D 3/34
. . . .
Wick stop devices; Wick-fixing devices [2013-01]
F23D 3/36
. . .
Devices for trimming wicks [2013-01]
F23D 3/38
. . .
Devices for replacement of wicks [2013-01]
F23D 3/40
.
the capillary action taking place in one or more rigid porous bodies [2013-01]
F23D 5/00
Burners in which liquid fuel evaporates in the combustion space, with or without chemical conversion of evaporated fuel [2013-01]
F23D 5/02
.
the liquid forming a pool, e.g. bowl-type evaporators, dish-type evaporators [2013-01]
F23D 5/04
. .
Pot-type evaporators, i.e. using a partially-enclosed combustion space [2013-01]
F23D 5/045
. . .
{with forced draft} [2013-01]
F23D 5/06
.
the liquid forming a film on one or more plane or convex surfaces [2013-01]
F23D 5/08
. .
on cascaded surfaces [2013-01]
F23D 5/10
. .
on grids [2013-01]
F23D 5/12
.
Details [2013-01]
F23D 5/123
. .
{Inserts promoting evaporation} [2013-01]
F23D 5/126
. .
{Catalytic elements} [2013-01]
F23D 5/14
. .
Maintaining predetermined amount of fuel in evaporator [2013-01]
F23D 5/16
. .
Safety devices [2013-01]
F23D 5/18
. .
Preheating devices [2013-01]
F23D 7/00
Burners in which drops of liquid fuel impinge on a surface [2013-01]
F23D 9/00
Burners in which a stream of liquid fuel impinges intermittently on a hot surface [2013-01]
F23D 11/00
Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space [2021-05]
F23D 11/001
.
{spraying nozzle combined with forced draft fan in one unit (nozzles per se F23D 11/38)} [2013-01]
F23D 11/002
.
{spraying nozzle arranged within furnace openings (refractory bricks or blocks specially shaped for burner openings F23M 5/025)} [2013-01]
F23D 11/004
. .
{for producing radiant heat} [2013-01]
F23D 11/005
.
{with combinations of different spraying or vaporising means} [2013-01]
F23D 11/007
. .
{combination of means covered by sub-groups F23D 11/10 and F23D 11/24} [2013-01]
F23D 11/008
. .
{combination of means covered by sub-groups F23D 5/00 and F23D 11/00} [2013-01]
F23D 11/02
.
the combustion space being a chamber substantially at atmospheric pressure [2013-01]
F23D 11/04
.
the spraying action being obtained by centrifugal action [2013-01]
F23D 11/06
. .
using a horizontal shaft [2013-01]
F23D 11/08
. .
using a vertical shaft [2013-01]
F23D 11/10
.
the spraying being induced by a gaseous medium, e.g. water vapour [2013-01]
F23D 11/101
. .
{medium and fuel meeting before the burner outlet} [2013-01]
F23D 11/102
. . .
{in an internal mixing chamber} [2013-01]
F23D 11/103
. . . .
{with means creating a swirl inside the mixing chamber} [2013-01]
F23D 11/104
. . .
{intersecting at a sharp angle, e.g. Y-jet atomiser} [2013-01]
F23D 11/105
. . .
{at least one of the fluids being submitted to a swirling motion} [2013-01]
F23D 11/106
. .
{medium and fuel meeting at the burner outlet} [2013-01]
F23D 11/107
. . .
{at least one of both being subjected to a swirling motion} [2013-01]
F23D 11/108
. .
{medium and fuel intersecting downstream of the burner outlet} [2013-01]
F23D 11/12
. .
characterised by the shape or arrangement of the outlets from the nozzle [2013-01]
F23D 11/14
. . .
with a single outlet, e.g. slit [2013-01]
F23D 11/16
. .
in which an emulsion of water and fuel is sprayed [2013-01]
F23D 11/18
. .
the gaseous medium being water vapour generated at the nozzle [2013-01]
F23D 11/20
. . .
the water vapour being superheated [2013-01]
F23D 11/22
. .
the gaseous medium being vaporised fuel, e.g. for a soldering lamp {, or other gaseous fuel} [2017-08]
F23D 11/24
.
by pressurisation of the fuel before a nozzle through which it is sprayed by a substantial pressure reduction into a space [2013-01]
F23D 11/26
. .
with provision for varying the rate at which the fuel is sprayed [2013-01]
F23D 11/28
. . .
with flow-back of fuel at the burner, e.g. using by-pass [2013-01]
F23D 11/30
. . .
with return feed of uncombusted sprayed fuel to reservoir [2013-01]
F23D 11/32
.
by electrostatic means [2013-01]
F23D 11/34
.
by ultrasonic means {or other kinds of vibrations} [2013-01]
F23D 11/345
. .
{with vibrating atomiser surfaces} [2013-01]
F23D 11/36
.
Details {, e.g. burner cooling means, noise reduction means} [2016-08]
F23D 11/38
. .
Nozzles; Cleaning devices therefor [2021-05]
F23D 11/383
. . .
{with swirl means} [2013-01]
F23D 11/386
. . .
{Nozzle cleaning} [2013-01]
F23D 11/40
. .
Mixing tubes {or chambers}; Burner heads [2016-05]
F23D 11/402
. . .
{Mixing chambers downstream of the nozzle} [2013-01]
F23D 11/404
. . .
{Flame tubes (not forming part of the burner F23M 9/06)} [2013-01]
F23D 11/406
. . .
{Flame stabilising means, e.g. flame holders} [2013-01]
F23D 11/408
. . .
{Flow influencing devices in the air tube} [2013-01]
F23D 11/42
. .
Starting devices (igniting F23Q) [2013-01]
F23D 11/44
. .
Preheating devices; Vaporising devices [2021-05]
F23D 11/441
. . .
{Vaporising devices incorporated with burners} [2021-05]
F23D 11/443
. . . .
{heated by the main burner flame} [2023-05]
F23D 11/445
. . . . .
{the flame and the vaporiser not coming into direct contact} [2023-05]
F23D 11/446
. . . .
{heated by an auxiliary flame} [2013-01]
F23D 11/448
. . . .
{heated by electrical means} [2013-01]
F23D 11/46
. .
Devices on the vaporiser for controlling the feeding of the fuel [2013-01]
F23D 14/00
Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid [2013-01]
F23D 14/02
.
Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone [2013-01]
F23D 14/04
. .
induction type, e.g. Bunsen burner [2021-05]
F23D 14/045
. . .
{with a plurality of burner bars assembled together, e.g. in a grid-like arrangement} [2013-01]
F23D 14/06
. . .
with radial outlets at the burner head [2013-01]
F23D 14/065
. . . .
{with injector axis inclined to the burner head axis} [2013-01]
F23D 14/08
. . .
with axial outlets at the burner head [2013-01]
F23D 14/085
. . . .
{with injector axis inclined to the burner head axis} [2013-01]
F23D 14/10
. . .
with elongated tubular burner head [2013-01]
F23D 14/105
. . . .
{with injector axis parallel to the burner head axis} [2013-01]
F23D 14/12
.
Radiant burners [2023-05]
F23D 14/125
. .
{heating a wall surface to incandescence} [2013-01]
F23D 14/126
. .
{cooperating with refractory wall surfaces} [2023-05]
F23D 14/14
. .
using screens or perforated plates [2023-05]
F23D 14/145
. . .
{combustion being stabilised at a screen or a perforated plate} [2023-05]
F23D 14/147
. . .
{with perforated plates as radiation intensifying means} [2023-05]
F23D 14/148
. . .
{with grids, e.g. strips or rods, as radiation intensifying means} [2023-05]
F23D 14/149
. . .
{with wires, threads or gauzes as radiation intensifying means} [2023-05]
F23D 14/151
. .
{with radiation intensifying means other than screens or perforated plates} [2023-05]
F23D 14/16
. .
using permeable blocks [2013-01]
F23D 14/18
. .
using catalysis for flameless combustion [2023-05]
F23D 14/181
. . .
{with carbon containing radiating surface} [2023-05]
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 14/38 takes precedence) [2021-05]
F23D 14/22
. .
with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other [2013-01]
F23D 14/24
. . .
at least one of the fluids being submitted to a swirling motion [2013-01]
F23D 14/26
.
with provision for a retention flame (pilot flame igniters F23Q 9/00) [2013-01]
F23D 14/28
.
in association with a gaseous fuel source, e.g. acetylene generator, or a container for liquefied gas [2013-01]
F23D 14/30
.
Inverted burners, e.g. for illumination [2013-01]
F23D 14/32
.
using a mixture of gaseous fuel and pure oxygen or oxygen-enriched air (F23D 14/38 takes precedence) [2013-01]
F23D 14/34
.
Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion air [2021-05]
F23D 14/36
. .
in which the compressor and burner form a single unit [2013-01]
F23D 14/38
.
Torches, e.g. for brazing or heating (nozzles F23D 14/48) [2021-05]
F23D 14/40
. .
for welding (F23D 14/44 takes precedence) [2013-01]
F23D 14/42
. .
for cutting (F23D 14/44 takes precedence) [2013-01]
F23D 14/44
. .
for use under water [2013-01]
F23D 14/46
.
Details {, e.g. noise reduction means} [2016-08]
F23D 14/465
. .
{for torches (F23D 14/52 takes precedence)} [2013-01]
F23D 14/48
. .
Nozzles [2021-05]
F23D 14/50
. . .
Cleaning devices therefor [2013-01]
F23D 14/52
. . .
for torches; for blow-pipes [2013-01]
F23D 14/54
. . . .
for cutting or welding metal [2013-01]
F23D 14/56
. . .
for spreading the flame over an area, e.g. for desurfacing of solid material, for surface hardening, or for heating workpieces [2021-05]
F23D 14/58
. . .
characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration [2013-01]
F23D 14/583
. . . .
{of elongated shape, e.g. slits} [2013-01]
F23D 14/586
. . . . .
{formed by a set of sheets, strips, ribbons or the like} [2013-01]
F23D 14/60
. .
Devices for simultaneous control of gas and combustion air [2021-05]
F23D 14/62
. .
Mixing devices; Mixing tubes [2013-01]
F23D 14/64
. . .
with injectors [2013-01]
F23D 14/66
. .
Preheating the combustion air or gas [2013-01]
F23D 14/68
. .
Treating the combustion air or gas, e.g. by filtering, or moistening [2021-05]
F23D 14/70
. .
Baffles or like flow-disturbing devices [2013-01]
F23D 14/72
. .
Safety devices, e.g. operative in case of failure of gas supply [2021-05]
F23D 14/725
. . .
{Protection against flame failure by using flame detection devices (pilot flame igniters with interlock with main fuel supply F23Q 9/08)} [2013-01]
F23D 14/74
. . .
Preventing flame lift-off [2021-05]
F23D 14/76
. . .
Protecting flame and burner parts [2013-01]
F23D 14/78
. . .
Cooling burner parts [2013-01]
F23D 14/80
. . .
Selection of a non-toxic gas [2013-01]
F23D 14/82
. . .
Preventing flashback or blowback [2021-05]
F23D 14/825
. . . .
{using valves} [2013-01]
F23D 14/84
. .
Flame spreading or otherwise shaping (F23D 14/70 takes precedence) [2013-01]
Other burners [2013-01]
F23D 17/00
Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel [2013-01]
F23D 17/002
.
{gaseous or liquid fuel} [2013-01]
F23D 17/005
.
{gaseous or pulverulent fuel} [2013-01]
F23D 17/007
.
{liquid or pulverulent fuel} [2013-01]
F23D 23/00
Assemblies of two or more burners (gas burners with provision for a retention flame F23D 14/26) [2021-05]
F23D 91/00
{Burners specially adapted for specific applications, not otherwise provided for} [2021-05]
F23D 91/02
.
{for use in particular heating operations} [2015-07]
F23D 91/04
. .
{for heating liquids, e.g. for vaporising or concentrating} [2015-07]
F23D 99/00
Subject matter not provided for in other groups of this subclass [2013-01]
F23D 2200/00
Burners for fluid fuel [2013-01]
F23D 2201/00
Burners adapted for particulate solid or pulverulent fuels [2013-01]
F23D 2201/10
.
Nozzle tips [2013-01]
F23D 2201/101
. .
tiltable [2013-01]
F23D 2201/20
.
Fuel flow guiding devices [2013-01]
F23D 2201/30
.
Wear protection [2013-01]
F23D 2202/00
Liquid fuel burners [2013-01]
F23D 2203/00
Gaseous fuel burners [2013-01]
F23D 2203/002
.
Radiant burner mixing tubes [2013-01]
F23D 2203/005
.
Radiant burner heads [2013-01]
F23D 2203/007
.
Mixing tubes, air supply regulation [2013-01]
F23D 2203/10
.
Flame diffusing means [2013-01]
F23D 2203/101
. .
characterised by surface shape [2013-01]
F23D 2203/1012
. . .
tubular [2013-01]
F23D 2203/1015
. . .
spherical [2013-01]
F23D 2203/1017
. . .
curved [2013-01]
F23D 2203/102
. .
using perforated plates [2013-01]
F23D 2203/1023
. . .
with specific free passage areas [2013-01]
F23D 2203/1026
. . .
with slotshaped openings [2013-01]
F23D 2203/103
. .
using screens [2013-01]
F23D 2203/104
. .
Grids, e.g. honeycomb grids [2013-01]
F23D 2203/105
. .
Porous plates [2013-01]
F23D 2203/1055
. . .
with a specific void range [2013-01]
F23D 2203/106
. .
Assemblies of different layers [2013-01]
F23D 2203/107
. .
coated with catalysts [2013-01]
F23D 2203/108
. .
with stacked sheets or strips forming the outlets [2013-01]
F23D 2204/00
Burners adapted for simultaneous or alternative combustion having more than one fuel supply [2013-01]
F23D 2204/10
.
gaseous and liquid fuel [2013-01]
F23D 2204/20
.
gaseous and pulverulent fuel [2013-01]
F23D 2204/30
.
liquid and pulverulent fuel [2013-01]
F23D 2205/00
Assemblies of two or more burners, irrespective of fuel type [2013-01]
F23D 2206/00
Burners for specific applications [2013-01]
F23D 2206/0005
.
Liquid fuel burners adapted for use in locomotives [2013-01]
F23D 2206/001
.
Liquid fuel burners adapted for use in automobile steam boilers [2013-01]
F23D 2206/0015
.
Gas burners for use in retort furnaces [2013-01]
F23D 2206/0021
.
Gas burners for use in furnaces of the reverberatory, muffle or crucible type [2013-01]
F23D 2206/0026
.
Vapour burners adapted for use in illumination devices [2013-01]
F23D 2206/0031
.
Liquid fuel burners adapted for use in welding lamps [2013-01]
F23D 2206/0036
. .
Liquid fuel burners adapted for use in welding and cutting metals [2013-01]
F23D 2206/0042
.
Vapour burners for illumination by radiation, with vaporiser heated by an auxiliary flame [2013-01]
F23D 2206/0047
.
Vapour burners for illumination by radiation, with vaporiser heated by the main flame [2013-01]
F23D 2206/0052
.
Vapour burners for illumination by radiation, with vaporiser heated by conduction [2013-01]
F23D 2206/0057
.
Liquid fuel burners adapted for use in illumination and heating [2013-01]
F23D 2206/0063
. .
Catalytic burners adapted for use in illumination and heating [2013-01]
F23D 2206/0068
.
Gas burners for illumination with slot type nozzles [2013-01]
F23D 2206/0073
.
Gas burners for illumination with Argand nozzles [2013-01]
F23D 2206/0078
.
Gas burners adapted for use in lamps with preheated air [2013-01]
F23D 2206/0084
.
Gas burners adapted for use in ceiling and wagon lamps [2013-01]
F23D 2206/0089
.
Gas burners for illumination using acetylene as a fuel [2013-01]
F23D 2206/0094
.
Gas burners adapted for use in illumination and heating [2013-01]
F23D 2206/10
.
Turbines [2013-01]
F23D 2207/00
Ignition devices associated with burner [2013-01]
F23D 2208/00
Control devices associated with burners [2013-01]
F23D 2208/005
.
Controlling air supply in radiant gas burners [2013-01]
F23D 2208/10
.
Sensing devices [2013-01]
F23D 2209/00
Safety arrangements [2013-01]
F23D 2209/10
.
Flame flashback [2013-01]
F23D 2209/20
.
Flame lift-off / stability [2013-01]
F23D 2209/30
.
Purging [2013-01]
F23D 2210/00
Noise abatement [2013-01]
F23D 2210/101
.
using noise dampening material [2013-01]
F23D 2211/00
Thermal dilatation prevention or compensation [2013-01]
F23D 2212/00
Burner material specifications [2013-01]
F23D 2212/005
.
Radiant gas burners made of specific materials, e.g. rare earths [2013-01]
F23D 2212/10
.
ceramic [2013-01]
F23D 2212/101
. .
Foam, e.g. reticulated [2013-01]
F23D 2212/103
. .
Fibres [2013-01]
F23D 2212/105
. .
Particles [2013-01]
F23D 2212/20
.
metallic [2013-01]
F23D 2212/201
. .
Fibres [2013-01]
F23D 2212/203
. .
Particles [2013-01]
F23D 2213/00
Burner manufacture specifications [2013-01]
F23D 2214/00
Cooling [2013-01]
F23D 2900/00
Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas [2013-01]
F23D 2900/00001
.
local catalytic coatings applied to burner surfaces [2013-01]
F23D 2900/00002
.
Cleaning burner parts, e.g. burner tips [2013-01]
F23D 2900/00003
.
Fuel or fuel-air mixtures flow distribution devices upstream of the outlet [2013-01]
F23D 2900/00004
.
Burners specially adapted for generating high luminous flames, e.g. yellow for fuel-rich mixtures [2013-01]
F23D 2900/00006
.
Liquid fuel burners using pure oxygen or O2-enriched air as oxidant [2024-08]
F23D 2900/00008
.
Burner assemblies with diffusion and premix modes, i.e. dual mode burners [2013-01]
F23D 2900/00011
.
Burner with means for propagating the flames along a wall surface [2013-01]
F23D 2900/00012
.
Liquid or gas fuel burners with flames spread over a flat surface, either premix or non-premix type, e.g. "Flächenbrenner" [2013-01]
F23D 2900/00013
. .
with means for spreading the flame in a fan or fishtail shape over a melting bath [2013-01]
F23D 2900/00014
.
Pilot burners specially adapted for ignition of main burners in furnaces or gas turbines [2013-01]
F23D 2900/00015
.
Pilot burners specially adapted for low load or transient conditions, e.g. for increasing stability [2013-01]
F23D 2900/00016
.
Preventing or reducing deposit build-up on burner parts, e.g. from carbon [2013-01]
F23D 2900/00017
.
Assembled burner modules [2013-01]
F23D 2900/00018
.
Means for protecting parts of the burner, e.g. ceramic lining outside of the flame tube [2013-01]
F23D 2900/00019
.
Outlet manufactured from knitted fibres [2013-01]
F23D 2900/01001
.
Pulverised solid fuel burner with means for swirling the fuel-air mixture [2013-01]
F23D 2900/03081
.
Catalytic wick burners [2013-01]
F23D 2900/03082
.
Wick made of specific material, e.g. ceramic [2013-01]
F23D 2900/05001
.
Burner using gel type fuel [2013-01]
F23D 2900/05002
.
Use of porous members to convert liquid fuel into vapor [2013-01]
F23D 2900/11001
.
Impinging-jet injectors or jet impinging on a surface [2013-01]
F23D 2900/11002
.
Liquid fuel burners with more than one nozzle [2013-01]
F23D 2900/11101
.
Pulverising gas flow impinging on fuel from pre-filming surface, e.g. lip atomizers [2013-01]
F23D 2900/11401
.
Flame intercepting baffles forming part of burner head [2013-01]
F23D 2900/11402
.
Airflow diaphragms at burner nozzle [2013-01]
F23D 2900/11403
.
Flame surrounding tubes in front of burner nozzle [2013-01]
F23D 2900/14
.
Special features of gas burners [2013-01]
F23D 2900/14001
. .
Sealing or support of burner plate borders [2013-01]
F23D 2900/14002
. .
of premix or non premix types, specially adapted for the combustion of low heating value [LHV] gas [2013-01]
F23D 2900/14003
. .
with more than one nozzle [2013-01]
F23D 2900/14004
. .
with radially extending gas distribution spokes [2013-01]
F23D 2900/14005
. .
Rotary gas burner [2013-01]
F23D 2900/14021
. .
Premixing burners with swirling or vortices creating means for fuel or air [2013-01]
F23D 2900/14041
. .
Segmented or straight line assembly of burner bars [2013-01]
F23D 2900/14042
. .
Star shaped assembly of burner bars or arms [2013-01]
F23D 2900/14061
. .
for cooking ranges having a coated burner cap [2013-01]
F23D 2900/14062
. .
for cooking ranges having multiple flame rings [2013-01]
F23D 2900/14063
. .
for cooking ranges having one flame ring fed by multiple venturis [2013-01]
F23D 2900/14064
. .
Burner heads of non circular shape [2013-01]
F23D 2900/1412
. .
for radiant burners [2013-01]
F23D 2900/14241
. .
Post-mixing with swirling means [2013-01]
F23D 2900/14381
. .
Single operating member opening and closing fuel and oxidant supply valves in torches [2013-01]
F23D 2900/14481
. .
Burner nozzles incorporating flow adjusting means [2013-01]
F23D 2900/14482
. .
Burner nozzles incorporating a fluidic oscillator [2013-01]
F23D 2900/14581
. .
with outlets consisting of a bed of irregular particles, e.g. glass [2013-01]
F23D 2900/14582
. .
with outlets consisting of layers of spherical particles [2013-01]
F23D 2900/14641
. .
with gas distribution manifolds or bars provided with a plurality of nozzles [2013-01]
F23D 2900/14642
. .
with jet mixers with more than one gas injection nozzles or orifices for a single mixing tube [2013-01]
F23D 2900/14681
. .
Adding steam or water vapor to primary or secondary combustion air [2013-01]
F23D 2900/14701
. .
Swirling means inside the mixing tube or chamber to improve premixing [2013-01]
F23D 2900/21
.
Burners specially adapted for a particular use [2013-01]
F23D 2900/21001
. .
for use in blast furnaces [2013-01]
F23D 2900/21002
. .
for use in car heating systems [2013-01]
F23D 2900/21003
. .
for heating or re-burning air or gas in a duct [2013-01]
F23D 2900/21004
. .
for use in gas fed fireplaces [2013-01]
F23D 2900/21005
. .
for flame deposition, e.g. FHD, flame hydrolysis deposition [2013-01]
F23D 2900/21006
. .
for heating a catalyst in a car [2013-01]
F23D 2900/21007
. .
for producing soot, e.g. nanoparticle soot [2017-08]
F23D 2900/31
.
Air supply for wick burners [2021-05]
F23D 2900/31001
.
Wick burners without flame spreaders or burner hood [2021-05]
F23D 2900/31002
.
Wick burners with flame spreaders or burner hood [2021-05]
F23D 2900/31003
.
Inverted wick burners, Wick burners using preheated air [2021-05]
F23D 2900/31004
.
Wick burners using alcohol as a fuel [2021-05]
F23D 2900/31005
.
Wick burners using oil as a fuel [2021-05]
F23D 2900/31006
.
Details of blue flame wick burners [2021-05]
F23D 2900/31007
.
Blue flame burners without flame spreader or burner hood [2021-05]
F23D 2900/31008
.
Blue flame burners with flame spreader or burner hood without a bead at the wick carrying tube [2021-05]
F23D 2900/31009
.
Blue flame burners with flame spreader or burner hood with a bead at the wick carrying tube [2021-05]
F23D 2900/3101
.
Blue flame burners with flame on one side only without a bead at the wick carrying tube [2021-05]
F23D 2900/31011
.
Blue flame burners with flame on one side only and a bead at the wick carrying tube [2021-05]
F23D 2900/31012
.
Wick adjusting devices directly engaging the wick [2021-05]
F23D 2900/31013
.
Wick adjusting devices engaging the tube carrying the wick [2021-05]
F23D 2900/31014
.
Wick stop devices and wick fixing devices [2021-05]
F23D 2900/31015
.
Devices for mounting the wick to the carrier [2021-05]
F23D 2900/31016
.
Burners in which the gas produced in the wick is not burned instantaneously [2021-05]
F23D 2900/31017
.
Burners using carburetted gas [2021-05]
F23D 2900/31018
.
Nozzles and cleaning devices therefor [2021-05]
F23D 2900/31019
.
Mixing tubes and burner heads [2021-05]
F23D 2900/3102
.
Preheating devices; Starting devices [2021-05]
F23D 2900/31021
.
Vaporisers with devices for controlling the feeding of the fuel [2021-05]
F23D 2900/31022
.
Alcohol vapour burners [2021-05]
F23D 2900/31023
.
Vapour burners where the vaporiser is heated by conduction [2021-05]