F23N1/00	7	Regulating fuel supply	F23N1/00	F23N1/00		1582
F23N1/002	8	{using electronic means (F23N1/04&#160;-&#160;F23N1/10 take precedence)}	F23N1/00	F23N1/00		1258
F23N1/005	8	{using electrical or electromechanical means (F23N1/04&#160;-&#160;F23N1/10 take precedence)}	F23N1/00	F23N1/00		1275
F23N1/007	8	{using mechanical means (F23N1/04&#160;-&#160;F23N1/10 take precedence)}	F23N1/00	F23N1/00		1435
F23N1/02	8	conjointly with air supply	F23N1/02	F23N1/02		1693
F23N1/022	9	{using electronic means}	F23N1/02	F23N1/02		1790
F23N1/025	9	{using electrical or electromechanical means}	F23N1/02	F23N1/02		693
F23N1/027	9	{using mechanical means}	F23N1/02	F23N1/02		616
F23N1/04	8	conjointly with air supply and with draught	F23N1/04	F23N1/04		68
F23N1/042	9	{using electronic means}	F23N1/04	F23N1/04		71
F23N1/045	9	{using electrical or electromechanical means}	F23N1/04	F23N1/04		52
F23N1/047	9	{using mechanical means}	F23N1/04	F23N1/04		25
F23N1/06	8	conjointly with draught	F23N1/06	F23N1/06		65
F23N1/062	9	{using electronic means}	F23N1/06	F23N1/06		79
F23N1/065	9	{using electrical or electromechanical means}	F23N1/06	F23N1/06		77
F23N1/067	9	{using mechanical means}	F23N1/06	F23N1/06		41
F23N1/08	8	conjointly with another medium, e.g. boiler water	F23N1/08	F23N1/08		262
F23N1/082	9	{using electronic means}	F23N1/08	F23N1/08		506
F23N1/085	9	{using electrical or electromechanical means}	F23N1/08	F23N1/08		267
F23N1/087	9	{using mechanical means}	F23N1/08	F23N1/08		778
F23N1/10	9	and with air supply or draught	F23N1/10	F23N1/10		74
F23N1/102	10	{using electronic means}	F23N1/10	F23N1/10		111
F23N1/105	10	{using electrical or electromechanical means}	F23N1/10	F23N1/10		44
F23N1/107	10	{using mechanical means}	F23N1/10	F23N1/10		27
F23N3/00	7	Regulating air supply or draught (conjointly with fuel supply F23N1/00)	F23N3/00	F23N3/00		606
F23N3/002	8	{using electronic means (F23N3/02&#160;-&#160;F23N3/08 take precedence)}	F23N3/00	F23N3/00		451
F23N3/005	8	{using electrical or electromechanical means (F23N3/02&#160;-&#160;F23N3/08 take precedence)}	F23N3/00	F23N3/00		265
F23N3/007	8	{using mechanical means (F23N3/02&#160;-&#160;F23N3/08 take precedence)}	F23N3/00	F23N3/00		322
F23N3/02	8	Regulating draught by direct pressure operation of single valves or dampers	F23N3/02	F23N3/02		608
F23N3/04	8	by operation of single valves or dampers by temperature sensitive elements	F23N3/04	F23N3/04		121
F23N3/042	9	{using electronic means}	F23N3/04	F23N3/04		78
F23N3/045	9	{using electrical or electromechanical means}	F23N3/04	F23N3/04		133
F23N3/047	9	{using mechanical means}	F23N3/04	F23N3/04		501
F23N3/06	8	by conjoint operation of two or more valves or dampers (by power-assisted systems F23N3/08)	F23N3/06	F23N3/06		257
F23N3/065	9	{using mechanical means}	F23N3/06	F23N3/06		47
F23N3/08	8	by power-assisted systems	F23N3/08	F23N3/08		377
F23N3/082	9	{using electronic means}	F23N3/08	F23N3/08		376
F23N3/085	9	{using electrical or electromechanical means}	F23N3/08	F23N3/08		215
F23N3/087	9	{using mechanical means}	F23N3/08	F23N3/08		43
F23N5/00	7	Systems for controlling combustion (regulating fuel supply F23N1/00, regulating air supply or draught F23N3/00)	F23N5/00	F23N5/00		1266
F23N5/003	8	{using detectors sensitive to combustion gas properties (F23N5/02, F23N5/18&#160;-&#160;F23N5/26 take precedence)}	F23N5/00	F23N5/00		1449
F23N5/006	9	{the detector being sensitive to oxygen}	F23N5/00	F23N5/00		1009
F23N5/02	8	using devices responsive to thermal changes or to thermal expansion of a medium	F23N5/02	F23N5/02		1093
F23N5/022	9	{using electronic means (F23N5/04&#160;-&#160;F23N5/14 take precedence)}	F23N5/02	F23N5/02		579
F23N5/025	9	{using electrical or electromechanical means (F23N5/04&#160;-&#160;F23N5/14 take precedence)}	F23N5/02	F23N5/02		216
F23N5/027	9	{using mechanical means (F23N5/04&#160;-&#160;F23N5/14 take precedence)}	F23N5/02	F23N5/02		195
F23N5/04	9	using bimetallic elements	F23N5/04	F23N5/04		278
F23N5/042	10	{using electronic means}	F23N5/04	F23N5/04		8
F23N5/045	10	{using electrical or electromechanical means}	F23N5/04	F23N5/04		171
F23N5/047	10	{using mechanical means}	F23N5/04	F23N5/04		195
F23N5/06	9	using bellows; using diaphragms	F23N5/06	F23N5/06		78
F23N5/062	10	{using electronic means}	F23N5/06	F23N5/06		3
F23N5/065	10	{using electrical or electromechanical means}	F23N5/06	F23N5/06		64
F23N5/067	10	{using mechanical means}	F23N5/06	F23N5/06		328
F23N5/08	9	using light-sensitive elements	F23N5/08	F23N5/08		736
F23N5/082	10	{using electronic means}	F23N5/08	F23N5/08		1357
F23N5/085	10	{using electrical or electromechanical means}	F23N5/08	F23N5/08		223
F23N5/087	10	{using mechanical means}	F23N5/08	F23N5/08		9
F23N5/10	9	using thermocouples	F23N5/10	F23N5/10		758
F23N5/102	10	{using electronic means}	F23N5/10	F23N5/10		465
F23N5/105	10	{using electrical or electromechanical means}	F23N5/10	F23N5/10		573
F23N5/107	10	{using mechanical means, e.g. safety valves}	F23N5/10	F23N5/10		719
F23N5/12	9	using ionisation-sensitive elements, i.e. flame rods	F23N5/12	F23N5/12		535
F23N5/123	10	{using electronic means}	F23N5/12	F23N5/12		1010
F23N5/126	10	{using electrical or electromechanical means}	F23N5/12	F23N5/12		173
F23N5/14	9	using thermo-sensitive resistors	F23N5/14	F23N5/14		159
F23N5/143	10	{using electronic means}	F23N5/14	F23N5/14		194
F23N5/146	10	{using electrical or electromechanical means}	F23N5/14	F23N5/14		63
F23N5/16	8	using noise-sensitive detectors	F23N5/16	F23N5/16		277
F23N2005/165	9	{with ultrasonic means}	F23N5/16	F23N5/16		4
F23N5/18	8	using detectors sensitive to rate of flow of air or fuel	F23N5/18	F23N5/18		1022
F23N2005/181	9	{using detectors sensitive to rate of flow of air}	F23N5/18	F23N5/18		261
F23N2005/182	10	{Air flow switch}	F23N5/18	F23N5/18		108
F23N5/184	9	{using electronic means}	F23N5/18	F23N5/18		386
F23N2005/185	9	{using detectors sensitive to rate of flow of fuel}	F23N5/18	F23N5/18		253
F23N5/187	9	{using electrical or electromechanical means}	F23N5/18	F23N5/18		118
F23N5/188	9	{using mechanical means}	F23N5/18	F23N5/18		105
F23N5/20	8	with a time program acting through electrical means, e.g. using time-delay relays	F23N5/20	F23N5/20		1077
F23N5/203	9	{using electronic means}	F23N5/20	F23N5/20		1414
F23N5/206	9	{using electrical or electromechanical means}	F23N5/20	F23N5/20		274
F23N5/22	8	with a time program acting through mechanical means, e.g. using cams	F23N5/22	F23N5/22		319
F23N5/24	8	Preventing development of abnormal or undesired conditions, i.e. safety arrangements (F23N5/02&#160;-&#160;F23N5/18 take precedence)	F23N5/24	F23N5/24		1359
F23N5/242	9	{using electronic means}	F23N5/24	F23N5/24		2011
F23N5/245	9	{using electrical or electromechanical means}	F23N5/24	F23N5/24		656
F23N5/247	9	{using mechanical means}	F23N5/24	F23N5/24		398
F23N5/26	8	Details	F23N5/26	F23N5/26		377
F23N5/265	9	{using electronic means}	F23N5/26	F23N5/26		317
F23N2221/00	7	Pretreatment or prehandling	CPCONLY	F23N2221/00		17
F23N2221/02	8	using belt conveyors	CPCONLY	F23N2221/02		32
F23N2221/04	8	Preheating liquid fuel	CPCONLY	F23N2221/04		77
F23N2221/06	8	Preheating gaseous fuel	CPCONLY	F23N2221/06		39
F23N2221/08	8	Preheating the air	CPCONLY	F23N2221/08		176
F23N2221/10	8	Analysing fuel properties, e.g. density, calorific	CPCONLY	F23N2221/10		384
F23N2221/12	8	Recycling exhaust gases	CPCONLY	F23N2221/12		131
F23N2223/00	7	Signal processing; Details thereof	CPCONLY	F23N2223/00		76
F23N2223/02	8	Multiplex transmission	CPCONLY	F23N2223/02		21
F23N2223/04	8	Memory	CPCONLY	F23N2223/04		226
F23N2223/06	8	Sampling	CPCONLY	F23N2223/06		84
F23N2223/08	8	Microprocessor; Microcomputer	CPCONLY	F23N2223/08		1014
F23N2223/10	8	Correlation	CPCONLY	F23N2223/10		165
F23N2223/12	8	Integration	CPCONLY	F23N2223/12		64
F23N2223/14	8	Differentiation	CPCONLY	F23N2223/14		53
F23N2223/16	8	Measuring bridge	CPCONLY	F23N2223/16		24
F23N2223/18	8	Chopper	CPCONLY	F23N2223/18		6
F23N2223/20	8	Opto-coupler	CPCONLY	F23N2223/20		114
F23N2223/22	8	Timing network	CPCONLY	F23N2223/22		252
F23N2223/24	9	with bimetallic elements	CPCONLY	F23N2223/24		12
F23N2223/26	9	with capacitors	CPCONLY	F23N2223/26		93
F23N2223/28	9	with more than one timing element	CPCONLY	F23N2223/28		38
F23N2223/30	8	Switches	CPCONLY	F23N2223/30		39
F23N2223/32	9	Reed switches	CPCONLY	F23N2223/32		32
F23N2223/34	8	with feedforward processing	CPCONLY	F23N2223/34		40
F23N2223/36	8	PID signal processing	CPCONLY	F23N2223/36		119
F23N2223/38	8	Remote control	CPCONLY	F23N2223/38		215
F23N2223/40	8	Simulation	CPCONLY	F23N2223/40		96
F23N2223/42	8	Function generator	CPCONLY	F23N2223/42		40
F23N2223/44	8	Optimum control	CPCONLY	F23N2223/44		160
F23N2223/46	8	Identification	CPCONLY	F23N2223/46		17
F23N2223/48	8	Learning / Adaptive control	CPCONLY	F23N2223/48		102
F23N2223/50	8	Human control	CPCONLY	F23N2223/50		9
F23N2223/52	8	Fuzzy logic	CPCONLY	F23N2223/52		86
F23N2223/54	8	Recording	CPCONLY	F23N2223/54		51
F23N2225/00	7	Measuring	CPCONLY	F23N2225/00		61
F23N2225/02	8	filling height in burners	CPCONLY	F23N2225/02		263
F23N2225/04	8	pressure	CPCONLY	F23N2225/04		777
F23N2225/06	9	for determining flow	CPCONLY	F23N2225/06		380
F23N2225/08	8	temperature	CPCONLY	F23N2225/08		890
F23N2225/10	9	stack temperature	CPCONLY	F23N2225/10		414
F23N2225/12	9	room temperature	CPCONLY	F23N2225/12		298
F23N2225/13	9	outdoor temperature	CPCONLY	F23N2225/13		108
F23N2225/14	9	Ambient temperature around burners	CPCONLY	F23N2225/14		132
F23N2225/16	9	burner temperature	CPCONLY	F23N2225/16		557
F23N2225/18	9	feedwater temperature	CPCONLY	F23N2225/18		465
F23N2225/19	9	outlet temperature water heat-exchanger	CPCONLY	F23N2225/19		225
F23N2225/20	9	entrant temperature	CPCONLY	F23N2225/20		110
F23N2225/21	9	outlet temperature	CPCONLY	F23N2225/21		119
F23N2225/22	8	heat losses	CPCONLY	F23N2225/22		37
F23N2225/24	9	indicated in an amount of money	CPCONLY	F23N2225/24		4
F23N2225/26	8	humidity	CPCONLY	F23N2225/26		82
F23N2225/30	9	measuring lambda	CPCONLY	F23N2225/30		130
F23N2227/00	7	Ignition or checking	CPCONLY	F23N2227/00		80
F23N2227/02	8	Starting or ignition cycles	CPCONLY	F23N2227/02		577
F23N2227/04	8	Prepurge	CPCONLY	F23N2227/04		335
F23N2227/06	8	Postpurge	CPCONLY	F23N2227/06		155
F23N2227/08	8	Hold fire apparatus	CPCONLY	F23N2227/08		7
F23N2227/10	8	Sequential burner running	CPCONLY	F23N2227/10		222
F23N2227/12	8	Burner simulation or checking	CPCONLY	F23N2227/12		118
F23N2227/14	9	Flame simulation	CPCONLY	F23N2227/14		54
F23N2227/16	9	Checking components, e.g. electronic	CPCONLY	F23N2227/16		161
F23N2227/18	8	Applying test signals, e.g. periodic	CPCONLY	F23N2227/18		48
F23N2227/20	8	Calibrating devices	CPCONLY	F23N2227/20		266
F23N2227/22	8	Pilot burners	CPCONLY	F23N2227/22		483
F23N2227/24	9	the pilot burner not burning continuously	CPCONLY	F23N2227/24		51
F23N2227/26	9	comprising two or more distinct pilot burners	CPCONLY	F23N2227/26		56
F23N2227/28	8	Ignition circuits	CPCONLY	F23N2227/28		414
F23N2227/30	9	for pilot burners	CPCONLY	F23N2227/30		141
F23N2227/32	8	Igniting for a predetermined number of cycles	CPCONLY	F23N2227/32		88
F23N2227/34	8	Continuously applied ignition cycles	CPCONLY	F23N2227/34		14
F23N2227/36	8	Spark ignition, e.g. by means of a high voltage	CPCONLY	F23N2227/36		759
F23N2227/38	8	Electrical resistance ignition	CPCONLY	F23N2227/38		148
F23N2227/40	8	Catalytic ignition	CPCONLY	F23N2227/40		11
F23N2227/42	8	Ceramic glow ignition	CPCONLY	F23N2227/42		135
F23N2229/00	7	Flame sensors	CPCONLY	F23N2229/00		755
F23N2229/02	8	Pilot flame sensors	CPCONLY	F23N2229/02		109
F23N2229/04	8	sensitive to the colour of flames	CPCONLY	F23N2229/04		93
F23N2229/06	8	with periodical shutters; Modulation signals	CPCONLY	F23N2229/06		79
F23N2229/08	8	detecting flame flicker	CPCONLY	F23N2229/08		106
F23N2229/10	8	comprising application of periodical fuel flow fluctuations	CPCONLY	F23N2229/10		19
F23N2229/12	8	with flame rectification current detecting means	CPCONLY	F23N2229/12		255
F23N2229/14	8	using two or more different types of flame sensor	CPCONLY	F23N2229/14		106
F23N2229/16	8	using two or more of the same types of flame sensor	CPCONLY	F23N2229/16		279
F23N2229/18	8	Flame sensor cooling means	CPCONLY	F23N2229/18		92
F23N2229/20	8	Camera viewing	CPCONLY	F23N2229/20		272
F23N2229/22	8	the sensor&apos;s sensitivity being variable	CPCONLY	F23N2229/22		42
F23N2231/00	7	Fail safe	CPCONLY	F23N2231/00		120
F23N2231/02	8	using electric energy accumulators	CPCONLY	F23N2231/02		107
F23N2231/04	8	for electrical power failures	CPCONLY	F23N2231/04		162
F23N2231/06	8	for flame failures	CPCONLY	F23N2231/06		264
F23N2231/08	9	for pilot flame failures	CPCONLY	F23N2231/08		58
F23N2231/10	8	for component failures	CPCONLY	F23N2231/10		270
F23N2231/12	8	for ignition failures	CPCONLY	F23N2231/12		159
F23N2231/14	8	for earthquakes	CPCONLY	F23N2231/14		95
F23N2231/16	8	using melting materials or shape memory alloys	CPCONLY	F23N2231/16		76
F23N2231/18	8	Detecting fluid leaks	CPCONLY	F23N2231/18		295
F23N2231/20	8	Warning devices	CPCONLY	F23N2231/20		413
F23N2231/22	9	using warning lamps	CPCONLY	F23N2231/22		171
F23N2231/24	8	Freezing	CPCONLY	F23N2231/24		6
F23N2231/26	8	for clogging air inlet	CPCONLY	F23N2231/26		74
F23N2231/28	8	preventing flash-back or blow-back	CPCONLY	F23N2231/28		117
F23N2231/30	8	Representation of working time	CPCONLY	F23N2231/30		38
F23N2233/00	7	Ventilators	CPCONLY	F23N2233/00		84
F23N2233/02	8	in stacks	CPCONLY	F23N2233/02		199
F23N2233/04	9	with variable speed	CPCONLY	F23N2233/04		249
F23N2233/06	8	at the air intake	CPCONLY	F23N2233/06		906
F23N2233/08	9	with variable speed	CPCONLY	F23N2233/08		1089
F23N2233/10	8	forcing air through heat exchangers	CPCONLY	F23N2233/10		124
F23N2235/00	7	Valves, nozzles or pumps	CPCONLY	F23N2235/00		22
F23N2235/02	8	Air or combustion gas valves or dampers	CPCONLY	F23N2235/02		98
F23N2235/04	9	in stacks	CPCONLY	F23N2235/04		369
F23N2235/06	9	at the air intake	CPCONLY	F23N2235/06		960
F23N2235/08	9	used with heat exchanges	CPCONLY	F23N2235/08		15
F23N2235/10	9	power assisted, e.g. using electric motors	CPCONLY	F23N2235/10		284
F23N2235/12	8	Fuel valves	CPCONLY	F23N2235/12		865
F23N2235/14	9	electromagnetically operated	CPCONLY	F23N2235/14		1860
F23N2235/16	9	variable flow or proportional valves	CPCONLY	F23N2235/16		1035
F23N2235/18	9	Groups of two or more valves	CPCONLY	F23N2235/18		919
F23N2235/20	9	Membrane valves	CPCONLY	F23N2235/20		823
F23N2235/22	9	cooperating with magnets	CPCONLY	F23N2235/22		87
F23N2235/24	9	Valve details	CPCONLY	F23N2235/24		1472
F23N2235/26	8	Fuel nozzles	CPCONLY	F23N2235/26		27
F23N2235/28	9	Spray fuel nozzles	CPCONLY	F23N2235/28		71
F23N2235/30	8	Pumps	CPCONLY	F23N2235/30		302
F23N2237/00	7	Controlling	CPCONLY	F23N2237/00		42
F23N2237/02	8	two or more burners	CPCONLY	F23N2237/02		835
F23N2237/04	8	at two or more different localities	CPCONLY	F23N2237/04		37
F23N2237/06	8	two predeterming temperatures, e.g. day-night	CPCONLY	F23N2237/06		41
F23N2237/08	8	two or more different types of fuel simultaneously	CPCONLY	F23N2237/08		293
F23N2237/10	8	High or low fire	CPCONLY	F23N2237/10		287
F23N2237/12	8	catalytic burners	CPCONLY	F23N2237/12		96
F23N2237/14	8	burners with gasification or vaporizer elements	CPCONLY	F23N2237/14		128
F23N2237/16	8	secondary air	CPCONLY	F23N2237/16		238
F23N2237/18	8	fluidized bed burners	CPCONLY	F23N2237/18		48
F23N2237/20	8	one or more bypass conduits	CPCONLY	F23N2237/20		144
F23N2237/22	8	water injection	CPCONLY	F23N2237/22		34
F23N2237/24	8	height of burner	CPCONLY	F23N2237/24		79
F23N2237/26	9	oxygen-air ratio	CPCONLY	F23N2237/26		63
F23N2237/28	9	oxygen as pure oxydant	CPCONLY	F23N2237/28		43
F23N2237/30	9	matrix burners	CPCONLY	F23N2237/30		3
F23N2237/32	9	Nox	CPCONLY	F23N2237/32		33
F23N2239/00	7	Fuels	CPCONLY	F23N2239/00		12
F23N2239/02	8	Solid fuels	CPCONLY	F23N2239/02		457
F23N2239/04	8	Gaseous fuels	CPCONLY	F23N2239/04		478
F23N2239/06	8	Liquid fuels	CPCONLY	F23N2239/06		1303
F23N2241/00	7	Applications	CPCONLY	F23N2241/00		4
F23N2241/02	8	Space-heating	CPCONLY	F23N2241/02		217
F23N2241/04	8	Heating water	CPCONLY	F23N2241/04		367
F23N2241/06	8	Space-heating and heating water	CPCONLY	F23N2241/06		101
F23N2241/08	8	Household apparatus	CPCONLY	F23N2241/08		347
F23N2241/10	8	Generating vapour	CPCONLY	F23N2241/10		106
F23N2241/11	8	Torches	CPCONLY	F23N2241/11		27
F23N2241/12	8	Stack-torches	CPCONLY	F23N2241/12		29
F23N2241/14	8	Vehicle heating, the heat being derived otherwise than from the propulsion plant	CPCONLY	F23N2241/14		348
F23N2241/16	8	Spectrometer burners	CPCONLY	F23N2241/16		25
F23N2241/18	8	Incinerating apparatus	CPCONLY	F23N2241/18		147
F23N2241/20	8	Gas turbines	CPCONLY	F23N2241/20		466
F23N2241/22	8	Absorption refrigerator	CPCONLY	F23N2241/22		3
F23N2900/00	7	Special features of, or arrangements for controlling combustion	CPCONLY	F23N2900/00		22
F23N2900/01001	8	Micro Electro Mechanical Systems [MEMS] for controlling fuel supply to burners	CPCONLY	F23N2900/01001		15
F23N2900/01002	8	Electromagnetically operated fuel valves with a single solenoid controlling two or more cores	CPCONLY	F23N2900/01002		9
F23N2900/05001	8	Measuring CO content in flue gas	CPCONLY	F23N2900/05001		150
F23N2900/05002	8	Measuring CO2 content in flue gas	CPCONLY	F23N2900/05002		67
F23N2900/05003	8	Measuring NOx content in flue gas	CPCONLY	F23N2900/05003		121
F23N2900/05004	8	Details of components, e.g. connecting adaptors	CPCONLY	F23N2900/05004		25
F23N2900/05005	8	Mounting arrangements for sensing, detecting or measuring devices	CPCONLY	F23N2900/05005		237
F23N2900/05006	8	Controlling systems using neuronal networks	CPCONLY	F23N2900/05006		45
F23N2900/05101	8	Connections between thermocouple and magnetic valves, e.g. by plug and socket connectors	CPCONLY	F23N2900/05101		52
F23N2900/05181	8	Controlling air to fuel ratio by using a single differential pressure detector	CPCONLY	F23N2900/05181		61
