| Outline |
Indent Level
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| Color | Curly Brackets (indicating CPC extensions to IPC) | |
CPC | COOPERATIVE PATENT CLASSIFICATION | ||
![]() | GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS (using such products for specific purposes, see the relevant classes for the purposes; chemical aspects of gas production C06D 5/00; gas-turbine plants characterised by the arrangement of the combustion chamber in the plant F02C 3/14; arrangement of afterburners in jet-propulsion plants F02K 3/10; combustion chambers of rocket-engine plants F02K 9/00) |
![]() | F23R 3/00 | Continuous combustion chambers using liquid or gaseous fuel |
F23R 3/002 | . |
F23R 3/005 | . | { Combined with pressure or heat exchangers} |
F23R 3/007 | . | { constructed mainly of ceramic components} |
![]() | F23R 3/02 | . |
![]() | F23R 3/04 | . . | Air inlet arrangements |
F23R 3/045 | . . . | { using pipes} |
![]() | F23R 3/06 | . . . | Arrangement of apertures along the flame tube |
![]() | F23R 3/10 | . . . | for primary air (F23R 3/06, F23R 3/045 take precedence) |
![]() | F23R 3/16 | . . | with devices inside the flame tube or the combustion chamber to influence the air or gas flow |
![]() | F23R 3/18 | . . . | Flame stabilising means, e.g. flame holders for after-burners of jet-propulsion plants |
F23R 3/26 | . . | Controlling the air flow |
![]() | F23R 3/28 | . | characterised by the fuel supply (burners F23D) |
F23R 3/283 | . . | { Attaching or cooling of fuel injecting means} |
F23R 3/286 | . . |
![]() | F23R 3/30 | . . | comprising fuel prevapourising devices |
![]() | F23R 3/34 | . . | Feeding into different combustion zones |
F23R 3/343 | . . . | { Pilot flames, i.e. fuel nozzles or injectors using only a very small proportion of the total fuel to insure continuous combustion (ignition in gas-turbine plants F02C 7/264; pilot flame igniters F23Q 9/00)} |
F23R 3/346 | . . . | { for staged combustion} |
F23R 3/36 | . . | Supply of different fuels |
F23R 3/38 | . . | comprising rotary fuel injection means |
F23R 3/40 | . | characterised by the used of catalytic means |
![]() | F23R 3/42 | . | characterised by the arrangement or form of the flame tubes or combustion chambers |
F23R 3/425 | . . | { Combustion chambers comprising a tangential or helicoidal arrangement of the flame tubes} |
F23R 3/44 | . . | Combustion chambers comprising a { single} tubular flame tube within a tubular casing (reverse-flow combustion chambers F23R 3/54) |
![]() | F23R 3/46 | . . | Combustion chambers comprising an annular arrangement of { several essentially tubular} flame tubes within a common annular casing or within individual casings |
F23R 3/50 | . . | Combustion chambers comprising an annular flame tube within an annular casing (toroidal combustion chambers F23R 3/52) |
F23R 3/52 | . . | Toroidal combustion chambers |
F23R 3/54 | . . | Reverse-flow combustion chambers |
F23R 3/56 | . . | Combustion chambers having rotary flame tubes |
F23R 3/58 | . . | Cyclone or vortex type combustion chambers |
F23R 3/60 | . . | Support structures; Attaching or mounting means |
F23R 5/00 | Continuous combustion chambers using solid or pulverulent fuel |
F23R 7/00 | Intermittent or explosive combustion chambers |
![]() | F23R 2900/00 | Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor |
F23R 2900/00001 | . | Arrangements using bellows, e.g. to adjust volumes or reduce thermal stresses |
F23R 2900/00002 | . | Gas turbine combustors adapted for fuels having low heating value (LHV) |
F23R 2900/00004 | . | Preventing formation of deposits on surfaces of gas turbine components, e.g. coke deposits |
F23R 2900/00005 | . | Preventing fatigue failures or reducing mechanical stress in gas turbine components |
F23R 2900/00006 | . | Using laser for starting or improving the combustion process |
F23R 2900/00008 | . | Combustion techniques using plasma gas (plasma torches F23R 2900/00009) |
F23R 2900/00009 | . | Using plasma torches for igniting, stabilizing, or improving the combustion process |
F23R 2900/00012 | . | Details of sealing devices |
F23R 2900/00013 | . | Reducing thermo-acoustic vibrations by active means |
F23R 2900/00014 | . | Reducing thermo-acoustic vibrations by passive means, e.g. by Helmholtz resonators (silence apparatus using resonance F01N 1/023) |
F23R 2900/00015 | . | Trapped vortex combustion chambers |
F23R 2900/00016 | . | Retrofitting in general, e.g. to respect new regulations on pollution |
F23R 2900/00017 | . | Assembling combustion chamber liners or subparts |
F23R 2900/00018 | . | Manufacturing combustion chamber liners or subparts |
F23R 2900/00019 | . | Repairing or maintaining combustion chamber liners or subparts |
F23R 2900/03041 | . | Effusion cooled combustion chamber walls or domes |
F23R 2900/03042 | . | Film cooled combustion chamber walls or domes |
F23R 2900/03043 | . | Convection cooled combustion chamber walls with means for guiding the cooling air flow (means for creating turbulence 900/03045) |
F23R 2900/03044 | . | Impingement cooled combustion chamber walls or subassemblies |
F23R 2900/03045 | . | Convection cooled combustion chamber walls provided with turbolators or means for creating turbulences to increase cooling |
F23R 2900/03281 | . | Intermittent fuel injection or supply with plunger pump or other means therefor |
F23R 2900/03282 | . | High speed injection of air and/or fuel inducing internal recirculation |
F23R 2900/03341 | . | Sequential combustion chambers or burners |
F23R 2900/03342 | . | Arrangement of silo-type combustion chambers |
F23R 2900/03343 | . | Pilot burners operating in premixed mode |