F01B   1/00		οޤϤ֡ޤ̸ĤΥ󥯥ǤȤ߹碌ħȤԥȥ󵡳ޤϵءʣƣ£ƣ£ͥˡΣ	Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements(<b>F01B3/00</b>, <b>F01B5/00</b> take precedence)	436
F01B   1/01		ñΥĤΡΣ	with one single cylinder	172
F01B   1/02		٤ưˤ	with cylinders all in one line	227
F01B   1/04		ַ֤줿	with cylinders in V-arrangement	146
F01B   1/06		ޤϥե֤줿	with cylinders in star or fan arrangement	1698
F01B   1/08		缴Фȿ¦֤줿Τӡʿ	with cylinders arranged oppositely relative to main shaft and of "flat" type	373
F01B   1/10		İʾμ缴ĤΡ㡥̤νϼϢ뤵줿ΡΣ	with more than one main shaft, e.g. coupled to common output shaft	149
F01B   1/12		̸ĤΥ󥯥ǤȤ߹碌ưΤ˷	Separate cylinder-crankcase elements coupled together to form a unit	220
F01B   3/00		缴ƱޤʿԤޤϷФäԥȥ󵡳ޤϵ	Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis	3153
F01B   3/02		ưĤĤ	with wobble-plate	804
F01B   3/04		ԥȥư̤ˤäã	the piston motion being transmitted by curved surfaces	810
F01B   3/06		¿Ť̤ĤΤӼưž	by multi-turn helical surfaces and automatic reversal	196
F01B   3/08		ԥȥ֤줿	the helices being arranged on the pistons	98
F01B   3/10		ưήΤζӽФΣ	Control of working-fluid admission or discharge peculiar thereto	790
F01B   5/00		¼Ū˼缴濴Ȥߤ֤줿ıԥȥ󵡳ޤϵ	Reciprocating-piston machines or engines with cylinder axes arranged substantially tangentially to a circle centred on main shaft axis	200
F01B   7/00		Ʊ쥷ޤܼŪ˶Υ룲İʾΥԥȥäޤϵءʼ缴˴ؤȿ֤Σƣ£	Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders(in opposite arrangement relative to main shaft <b>F01B1/08</b>)	189
F01B   7/02		ȿ˱ԥȥĤ	with oppositely reciprocating pistons	277
F01B   7/04		Ʊ缴˺Ѥ	acting on same main shaft	151
F01B   7/06		ưžưˤޤϤεդѴ뤿ϢΤߤѤ	using only connecting-rods for conversion of reciprocatory into rotary motion or <u>vice versa</u>	53
F01B   7/08		ɥåɤĤ	with side rods	48
F01B   7/10		¾Υԥȥ̤룱ĤΥԥȥΥԥȥĤ	having piston-rod of one piston passed through other piston	37
F01B   7/12		åϢѤ	using rockers and connecting-rods	289
F01B   7/14		̤μ缴˺Ѥ	acting on different main shafts	598
F01B   7/16		֤줿ƱŪ˱ưԥȥĤ	with pistons synchronously moving in tandem arrangement	164
F01B   7/18		ưԥȥĤΡʣƣ£ͥ	with differential piston(<b>F01B7/20</b> takes precedence)	70
F01B   7/20		ĤΥԥȥ¾ΥԥȥԥȥĤΡ㡥ĤΥԥȥ¾ΥԥȥΥ	with two or more pistons reciprocating one within another, e.g. one piston forming cylinder of the other	247
F01B   9/00		ԥȥ󤪤Ӽ缴֤ϢħȤ롼ףƣ£ƣ£ꤵʤԥȥ󵡳ޤϵءΣ	Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups <b>F01B1/00 to F01B7/00</b> 	465
F01B   9/02		󥯼Ĥ	with crankshaft	2000
F01B   9/04		󥯼ʳβž缴Ĥ	with rotary main shaft other than crankshaft	1198
F01B   9/06		ԥȥư̤ˤäã	the piston motion being transmitted by curved surfaces	916
F01B   9/08		ĤᤪӤĤ֤Ĥ	with ratchet and pawl	162
F01B  11/00		ž缴̵ԥȥ󵡳ޤϵء㡥ͳԥȥ	Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type	692
F01B  11/02		Ĥꤢޤϴ˾	Equalising or cushioning devices	208
F01B  11/04		ư֤Ȥ߹碌ء㡥ϥޡΣ	Engines combined with reciprocatory driven devices, e.g. hammers	143
F01B  11/06		ưΤߤȯ	for generating vibration only	53
F01B  11/08		ľήαư֤ĤΡΣ	with direct fluid transmission link	176
F01B  13/00		ž뤳Ȥˤԥȥưԥȥ󵡳ޤϵءΣ	Reciprocating-piston machines or engines with rotating cylinders in order to obtain the reciprocating-piston motion	127
F01B  13/02		ĤΥĤ	with one cylinder only	153
F01B  13/04		İʾΥĤ	with more than one cylinder	583
F01B  13/06		֤줿	in star arrangement	1469
F01B  15/00		ƣ£ʳβưıԥȥ󵡳ޤϵءΣ	Reciprocating-piston machines or engines with movable cylinders other than provided for in group <b>F01B13/00</b>	223
F01B  15/02		ĤΡʣĤΥԥȥ¾ΥԥȥˤΣƣ£	with reciprocating cylinders(with one piston within another <b>F01B7/20</b>)	112
F01B  15/04		ưĤ	with oscillating cylinder	116
F01B  15/06		ưήΤζӽФ	Control of working-fluid admission or discharge peculiar thereto	33
F01B  17/00		˥եѤħȤԥȥ󵡳ޤϵ	Reciprocating-piston machines or engines characterised by use of uniflow principle	756
F01B  17/02			Engines	1337
F01B  17/04			Steam engines	1384
F01B  19/00		ĤȤɷѷޤϵ	Positive-displacement machines or engines of flexible-wall type	241
F01B  19/02		ķĤȤĤ	with plate-like flexible members	172
F01B  19/04		ɷĤȤĤ	with tubular flexible members	131
F01B  21/00		ʾεޤϵؤȤ߹碌ʣƣ£ͥˡΣ	Combinations of two or more machines or engines(<b>F01B23/00</b> takes precedence)	204
F01B  21/02		٤Ƥԥȥεޤϵ	the machines or engines being all of reciprocating-piston type	196
F01B  21/04		٤ƤԥȥǤϤʤޤϵء㡥ؤȾӥȤ߹碌	the machines or engines being not all of reciprocating-piston type, e.g. of reciprocating steam engine with steam turbine	195
F01B  23/00		ӤؤεޤϵؤŬѡؤȤˤäƶư֤Ȥ߹碌Σ	Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby	300
F01B  23/02		ʪưФŬѡ㡥ؼ֡Σ	Adaptations for driving vehicles, e.g. locomotives	232
F01B  23/04		ʪǤ	the vehicles being waterborne vessels	32
F01B  23/06		ζưФŬѡޤϼȤȤ߹碌	Adaptations for driving, or combinations with, hand-held tools or the like	71
F01B  23/08		ݥ׶ưФŬѡޤϥݥפȤȤ߹碌	Adaptations for driving, or combinations with, pumps	469
F01B  23/10		ȯŵưФŬѡޤȯŵȤȤ߹碌	Adaptations for driving, or combinations with, electric generators	1086
F01B  23/12		䵡ޤ¾νŲĵյư뤿Ŭ	Adaptations for driving rolling mills or other heavy reversing machinery	12
F01B  25/00		Ĵᡤ桤ޤϰ֡ǳƵؤƣġˡΣ	Regulating, controlling or safety means(controlling combustion engines <b>F02D</b>)	1541
F01B  25/02		ưήΤζޤӽФѲ뤳ȤˤĴޤ桤㡥Ϥޤ̤ѲˤΡΣ	Regulating or controlling by varying working-fluid admission or exhaust, e.g. by varying pressure or quantity	526
F01B  25/04		ǻ	Sensing elements	55
F01B  25/06		®٤˱ư	responsive to speed	80
F01B  25/08		ü奨	Final actuators	97
F01B  25/10		ưήΤζۤޤӽ֤ۤޤŬѡΣ	Arrangements or adaptations of working-fluid admission or discharge valves	317
F01B  25/12		ǻҤޤü奨֤ޤϤδ֤ã֡㡥ưΣ	Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted 	58
F01B  25/14		üʵޤϵؤͭΤ	peculiar to particular kinds of machines or engines	75
F01B  25/16		üʾ֤˱ư֡ʾؤˤФΣƣ£	Safety means responsive to specific conditions(against water hammer or the like in steam engines <b>F01B31/34</b>)	111
F01B  25/18		ʤؤβžɻ	preventing rotation in wrong direction	9
F01B  25/20		֤	Checking operation of safety devices	7
F01B  25/22		ưήΤθѤ뤳Ȥˤư	Braking by redirecting working fluid	9
F01B  25/24		ˤ륨ͥ륮κ	thereby regenerating energy	20
F01B  25/26			Warning devices	98
F01B  27/00		ޤϵؤλưǳƵؤλưƣΡ	Starting of machines or engines(starting combustion engines <b>F02N</b>)	48
F01B  27/02		ԥȥ󵡴ؤλư	of reciprocating-piston engines	53
F01B  27/04		ưήζλظˤΡ㡥¦ϩƳɤνˤ	by directing working-fluid supply, e.g. by aid of by-pass steam conduits	27
F01B  27/06		äʣ絡	specially for compound engines	29
F01B  27/08		󥯤Υư֡Σ	Means for moving crank off dead-centre	30
F01B  29/00		ᥤ󥰥롼ףƣ£ƣ£ʬवΰʳŬħäޤϵ	Machines or engines with pertinent characteristics other than those provided for in main groups <b>F01B1/00 to F01B27/00</b> 	412
F01B  29/02		絤ءʤ絤Фƺư	Atmospheric engines, i.e. atmosphere acting against vacuum	165
F01B  29/04		Ĥη¾ηѴ֤ħȤ	characterised by means for converting from one type to a different one	136
F01B  29/06		ؤǳƵؤѴ	from steam engine into combustion engine	22
F01B  29/08		ʳαԥȥ󵡳ޤϵ	Reciprocating-piston machines or engines not otherwise provided for	286
F01B  29/10		ءΣ	Engines	857
F01B  29/12		ءʤѾأȣ	Steam engines(toy steam engines <b>A63H25/00</b>)	394
F01B  31/00		¾Υ롼פʬवʤʬޤ°ʡΣ	Component parts, details or accessories not provided for in, or of interest apart from, other groups	742
F01B  31/02		ɹ븽ݤͭ뵡Ѳɹ	De-icing means for engines having icing phenomena	34
F01B  31/04		ԥȥ󵡳ޤϵؤˤȥ륯ʿ֡Σ	Means for equalising torque in reciprocating-piston machines or engines	71
F01B  31/06		ʬŪĥ	Means for compensating relative expansion of component parts	21
F01B  31/08		ؤѡǮǮΣ	Cooling of steam engines; Heating; Heat insulation	244
F01B  31/10		ؤν֡Σ	Lubricating arrangements of steam engines	242
F01B  31/12		¬ޤϻؼ֤֡Σ	Arrangements of measuring or indicating devices	179
F01B  31/14		ѹ	Changing of compression ratio	465
F01B  31/16		ؤäŬòΣ	Silencers specially adapted for steam engines	107
F01B  31/18		ɥȴ	Draining	28
F01B  31/20		Υɥȴ	of cylinders	10
F01B  31/22		ɥ֡㡥ХѥۤͭΡΣ	Idling devices, e.g. having by-passing valves	32
F01B  31/24		ԥȥ󤪤Ӽ缴֤Ϣʬ	Disengagement of connections between pistons and main shafts	52
F01B  31/26		ؤͭ¾ιʬޤ°	Other component parts, details, or accessories, peculiar to steam engines	174
F01B  31/28		ޤϥС	Cylinders or cylinder covers	97
F01B  31/30		Ƴɤ	Arrangements of steam conduits	33
F01B  31/32		֥졼֤ޤŬ	Arrangements or adaptations of vacuum breakers	1
F01B  31/34		ޤϿοФ֡Σ	Safety means against water hammer or against the penetration of water	9
F01B  31/36		ưŪ˾򤷤Ǥ	automatically cutting-off steam supply	3
