F23R3/00	7	Continuous combustion chambers using liquid or gaseous fuel	F23R3/00	F23R3/00		527
F23R3/002	8	{Wall structures (F23R3/02 and F23R3/007 take precedence)}	F23R3/00	F23R3/00		2667
F23R3/005	8	{Combined with pressure or heat exchangers}	F23R3/00	F23R3/00		752
F23R3/007	8	{constructed mainly of ceramic components}	F23R3/00	F23R3/00		794
F23R3/02	8	characterised by the air-flow or gas-flow configuration (reverse- flow combustion chambers F23R3/54; cyclone or vortex type combustion chambers F23R3/58)	F23R3/02	F23R3/02		415
F23R3/04	9	Air inlet arrangements	F23R3/04	F23R3/04		948
F23R3/045	10	{using pipes}	F23R3/04	F23R3/04		286
F23R3/06	10	Arrangement of apertures along the flame tube	F23R3/06	F23R3/06		1338
F23R3/08	11	between annular flame tube sections, e.g. flame tubes with telescopic sections	F23R3/08	F23R3/08		322
F23R3/10	10	for primary air (F23R3/06, F23R3/045 take precedence)	F23R3/10	F23R3/10		809
F23R3/12	11	inducing a vortex	F23R3/12	F23R3/12		587
F23R3/14	12	by using swirl vanes	F23R3/14	F23R3/14		1597
F23R3/16	9	with devices inside the flame tube or the combustion chamber to influence the air or gas flow	F23R3/16	F23R3/16		794
F23R3/18	10	Flame stabilising means, e.g. flame holders for after-burners of jet-propulsion plants	F23R3/18	F23R3/18		457
F23R3/20	11	incorporating fuel injection means	F23R3/20	F23R3/20		654
F23R3/22	11	movable, e.g. to an inoperative position; adjustable, e.g. self-adjusting	F23R3/22	F23R3/22		98
F23R3/24	11	of the fluid-screen type	F23R3/24	F23R3/24		54
F23R3/26	9	Controlling the air flow	F23R3/26	F23R3/26		944
F23R3/28	8	characterised by the fuel supply (burners F23D)	F23R3/28	F23R3/28		2255
F23R3/283	9	{Attaching or cooling of fuel injecting means including supports for fuel injectors, stems, or lances}	F23R3/28	F23R3/28		1776
F23R3/286	9	{having fuel-air premixing devices (F23R3/30 takes precedence)}	F23R3/28	F23R3/28		3288
F23R3/30	9	comprising fuel prevapourising devices	F23R3/30	F23R3/30		439
F23R3/32	10	being tubular	F23R3/32	F23R3/32		377
F23R3/34	9	Feeding into different combustion zones	F23R3/34	F23R3/34		842
F23R3/343	10	{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 F02C7/264; pilot flame igniters F23Q9/00)}	F23R3/34	F23R3/34		870
F23R3/346	10	{for staged combustion}	F23R3/34	F23R3/34		939
F23R3/36	9	Supply of different fuels	F23R3/36	F23R3/36		793
F23R3/38	9	comprising rotary fuel injection means	F23R3/38	F23R3/38		946
F23R3/40	8	characterised by the use of catalytic means	F23R3/40	F23R3/40		521
F23R3/42	8	characterised by the arrangement or form of the flame tubes or combustion chambers	F23R3/42	F23R3/42		1170
F23R3/425	9	{Combustion chambers comprising a tangential or helicoidal arrangement of the flame tubes}	F23R3/42	F23R3/42		110
F23R3/44	9	Combustion chambers comprising a {single} tubular flame tube within a tubular casing (reverse-flow combustion chambers F23R3/54)	F23R3/44	F23R3/44		190
F23R3/46	9	Combustion chambers comprising an annular arrangement of {several essentially tubular} flame tubes within a common annular casing or within individual casings	F23R3/46	F23R3/46		505
F23R3/48	10	Flame tube interconnectors, e.g. cross-over tubes	F23R3/48	F23R3/48		137
F23R3/50	9	Combustion chambers comprising an annular flame tube within an annular casing (toroidal combustion chambers F23R3/52)	F23R3/50	F23R3/50		843
F23R3/52	9	Toroidal combustion chambers	F23R3/52	F23R3/52		329
F23R3/54	9	Reverse-flow combustion chambers	F23R3/54	F23R3/54		371
F23R3/56	9	Combustion chambers having rotary flame tubes	F23R3/56	F23R3/56		97
F23R3/58	9	Cyclone or vortex type combustion chambers	F23R3/58	F23R3/58		363
F23R3/60	9	Support structures; Attaching or mounting means	F23R3/60	F23R3/60		1598
F23R5/00	7	Continuous combustion chambers using solid or pulverulent fuel	F23R5/00	F23R5/00		117
F23R7/00	7	Intermittent or explosive combustion chambers	F23R7/00	F23R7/00		495
F23R2900/00	7	Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor	CPCONLY	F23R2900/00		10
F23R2900/00001	8	Arrangements using bellows, e.g. to adjust volumes or reduce thermal stresses	CPCONLY	F23R2900/00001		77
F23R2900/00002	8	Gas turbine combustors adapted for fuels having low heating value [LHV]	CPCONLY	F23R2900/00002		489
F23R2900/00004	8	Preventing formation of deposits on surfaces of gas turbine components, e.g. coke deposits	CPCONLY	F23R2900/00004		162
F23R2900/00005	8	Preventing fatigue failures or reducing mechanical stress in gas turbine components	CPCONLY	F23R2900/00005		334
F23R2900/00006	8	Using laser for starting or improving the combustion process	CPCONLY	F23R2900/00006		30
F23R2900/00008	8	Combustion techniques using plasma gas	CPCONLY	F23R2900/00008		37
F23R2900/00009	8	Using plasma torches for igniting, stabilizing, or improving the combustion process	CPCONLY	F23R2900/00009		46
F23R2900/00012	8	Details of sealing devices	CPCONLY	F23R2900/00012		440
F23R2900/00013	8	Reducing thermo-acoustic vibrations by active means	CPCONLY	F23R2900/00013		331
F23R2900/00014	8	Reducing thermo-acoustic vibrations by passive means, e.g. by Helmholtz resonators	CPCONLY	F23R2900/00014		694
F23R2900/00015	8	Trapped vortex combustion chambers	CPCONLY	F23R2900/00015		75
F23R2900/00016	8	Retrofitting in general, e.g. to respect new regulations on pollution	CPCONLY	F23R2900/00016		52
F23R2900/00017	8	Assembling combustion chamber liners or subparts	CPCONLY	F23R2900/00017		621
F23R2900/00018	8	Manufacturing combustion chamber liners or subparts	CPCONLY	F23R2900/00018		584
F23R2900/00019	8	Repairing or maintaining combustion chamber liners or subparts	CPCONLY	F23R2900/00019		216
F23R2900/03041	8	Effusion cooled combustion chamber walls or domes	CPCONLY	F23R2900/03041		535
F23R2900/03042	8	Film cooled combustion chamber walls or domes	CPCONLY	F23R2900/03042		661
F23R2900/03043	8	Convection cooled combustion chamber walls with means for guiding the cooling air flow	CPCONLY	F23R2900/03043		417
F23R2900/03044	8	Impingement cooled combustion chamber walls or subassemblies	CPCONLY	F23R2900/03044		749
F23R2900/03045	8	Convection cooled combustion chamber walls provided with turbolators or means for creating turbulences to increase cooling	CPCONLY	F23R2900/03045		269
F23R2900/03281	8	Intermittent fuel injection or supply with plunger pump or other means therefor	CPCONLY	F23R2900/03281		18
F23R2900/03282	8	High speed injection of air and/or fuel inducing internal recirculation	CPCONLY	F23R2900/03282		68
F23R2900/03341	8	Sequential combustion chambers or burners	CPCONLY	F23R2900/03341		181
F23R2900/03342	8	Arrangement of silo-type combustion chambers	CPCONLY	F23R2900/03342		46
F23R2900/03343	8	Pilot burners operating in premixed mode	CPCONLY	F23R2900/03343		117
