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Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised

CPC
COOPERATIVE PATENT CLASSIFICATION
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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)
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Continuous combustion chambers using liquid or gaseous fuel
.
{
Wall structures (F23R 3/02 and F23R 3/007 take precedence)
}
F23R 3/005
.
{
Combined with pressure or heat exchangers
}
F23R 3/007
.
{
constructed mainly of ceramic components
}
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.
characterised by the air-flow or gas-flow configuration (reverse- flow combustion chambers F23R 3/54; cyclone or vortex type combustion chambers F23R 3/58)
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F23R 3/04
. .
Air inlet arrangements
F23R 3/045
. . .
{
using pipes
}
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F23R 3/06
. . .
Arrangement of apertures along the flame tube
F23R 3/08
. . . .
between annular flame tube sections, e.g. flame tubes with telescopic sections
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. . .
for primary air (F23R 3/06, F23R 3/045 take precedence)
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F23R 3/12
. . . .
inducing a vortex
F23R 3/14
. . . . .
by using swirl vanes
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F23R 3/16
. .
with devices inside the flame tube or the combustion chamber to influence the air or gas flow
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F23R 3/18
. . .
Flame stabilising means, e.g. flame holders for after-burners of jet-propulsion plants
F23R 3/20
. . . .
incorporating fuel injection means
F23R 3/22
. . . .
movable, e.g. to an inoperative position; adjustable, e.g. self-adjusting
F23R 3/24
. . . .
of the fluid-screen type
F23R 3/26
. .
Controlling the air flow
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F23R 3/28
.
characterised by the fuel supply (burners F23D)
F23R 3/283
. .
{
Attaching or cooling of fuel injecting means
}
. .
{
having fuel-air premixing devices (F23R 3/30 takes precedence)
}
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F23R 3/30
. .
comprising fuel prevapourising devices
F23R 3/32
. . .
being tubular
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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
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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
}
. .
Combustion chambers comprising a
{
single
}
tubular flame tube within a tubular casing (reverse-flow combustion chambers F23R 3/54)
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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 3/48
. . .
Flame tube interconnectors, e.g. cross-over tubes
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
Continuous combustion chambers using solid or pulverulent fuel
Intermittent or explosive combustion chambers
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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 F23R 2900/03045)
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
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Last Modified: 10/10/2013