F04F   1/00		ݥפ٤ήΤľܺѤޤ˲ð줿ήΤѤݥס鰵ϤΤ߻ѤΣƣƣåȥݥףƣƣۥƣƣ	Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped(using only negative pressure <b>F04F3/00</b>; jet pumps <b>F04F5/00</b>; siphons <b>F04F10/00</b>)	896
F04F   1/02		ξ˲ðήΤѤΡ㡥֤	using both positively and negatively pressurised fluid medium, e.g. alternating	692
F04F   1/04		ȯޤ϶Ž̤ˤäȯ	generated by vaporising and condensing	266
F04F   1/06		ήΤݥפ٤Τɽ̤˺ѤΡʣƣƣͥ	the fluid medium acting on the surface of the liquid to be pumped(<b>F04F1/02</b> takes precedence)	2253
F04F   1/08		ؤ󿼤꤫Τ򤯤Ȥ뤿ä˺ѤΡ㡥	specially adapted for raising liquids from great depths, e.g. in wells	322
F04F   1/10		¿ʷΤΡ㡥ΣİʾΥ˥åȤˤΡʣƣƣͥ	of multiple type, e.g. with two or more units in parallel(<b>F04F1/08</b> takes precedence)	233
F04F   1/12		ľΤ	in series	122
F04F   1/14		üʱΤݥפ뤿ѤΡ㡥忩ΤޤϹⲹα	adapted to pump specific liquids, e.g. corrosive or hot liquids	365
F04F   1/16		ήΤִŪ˲ð뤳ȤħȤΡ㡥ȯˤ	characterised by the fluid medium being suddenly pressurised, e.g. by explosion	243
F04F   1/18		ήΤݥפ٤ΤȺ礵ޤϤήΤ	the fluid medium being mixed with, or generated from, the liquid to be pumped	1243
F04F   1/20		ؤ󿼤꤫Τ򤯤Ȥ뤿äŬ礷Ρ㡥	specially adapted for raising liquids from great depths, e.g. in wells	299
F04F   3/00		ݥפ٤Τľܤ鰵ϤѤݥסʥۥƣƣ	Pumps using negative pressure acting directly on the liquid to be pumped(siphons <b>F04F10/00</b>)	1184
F04F   5/00		åȥݥסʤήΤή줬¾ήΤή®٤ˤäư밵Ϲ߲ˤäͶ֡ʳȻݥףƣƣåȥݥװʳΥݥפȥåȥݥפȤȤ߹碌Σƣ¡ѷݥפθƤӿѤޤͽ뤿˥åȥݥפѤΣƣġ	Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow(diffusion pumps <b>F04F9/00</b>; combination of jet pumps with pumps of other than jet type <b>F04B</b>; use of jet pumps for priming or boosting non-positive-displacement pumps <b>F04D</b>)	854
F04F   5/02		ʮήΤΤǤ	the inducing fluid being liquid	646
F04F   5/04		ήΤФ	displacing elastic fluids	1275
F04F   5/06		žǤ	of rotary type	83
F04F   5/08		ήΤΤμͳήή	the elastic fluid being entrained in a free-falling column of liquid	138
F04F   5/10		ΤФΡ㡥ΤޤϱΤӰήΤޤ	displacing liquids, e.g. containing solids, or liquids and elastic fluids	2009
F04F   5/12		¿ʷΤ	of multi-stage type	134
F04F   5/14		ʮήΤήΤǤ	the inducing fluid being elastic fluid	531
F04F   5/16		ήΤФ	displacing elastic fluids	2319
F04F   5/18		̤뤿Τ	for compressing	247
F04F   5/20		ӵ뤿Τ	for evacuating	1664
F04F   5/22		¿ʷΤ	of multi-stage type	325
F04F   5/24		ΤФΡ㡥ΤޤϱΤӰήΤޤ	displacing liquids, e.g. containing solids, or liquids and elastic fluids	1054
F04F   5/26		¿ʷΤΡʣƣƣͥ	of multi-stage type(<b>F04F5/28</b> takes precedence)	72
F04F   5/28		ʮͺѤκȯ	Restarting of inducing action	9
F04F   5/30		˰ưǽȤ߹碌ΥĤ	with axially-slidable combining nozzle	39
F04F   5/32		Ȥ߹碌Υˤ礦ĤդΥեåפĤ	with hinged flap in combining nozzle	14
F04F   5/34		ʮήθѴ뤿֤ħΤ	characterised by means for changing inducing-fluid source	26
F04F   5/36		üʮήΤѤ뤳ȤħΤ	characterised by using specific inducing fluid	173
F04F   5/38		ʮήΤǤ	the inducing fluid being mercury vapour	15
F04F   5/40		ʮήΤǤ	the inducing fluid being oil vapour	18
F04F   5/42		ʮήΤή줬иήФȾ¤ޤǤ뤳ȤħΤΡʥ£á	characterised by the input flow of inducing fluid medium being radial or tangential to output flow(cyclones <b>B04C</b>)	398
F04F   5/44		ࡤޤ°ʤǤäƥ롼ףƣƣƣƣʬवʤ	Component parts, details, or accessories not provided for in, or of interest apart from, groups <b>F04F5/02 to F04F5/42</b> 	3740
F04F   5/46		Υ	Arrangements of nozzles	4352
F04F   5/48			Control	1213
F04F   5/50		̥ݥפ	of compressing pumps	127
F04F   5/52		ӵݥפ	of evacuating pumps	539
F04F   5/54		åȥݥפλѤˤħŤ֡㡥ۤʤäΣİʾΥåȥݥפλѤˤäħŤ	Installations characterised by use of jet pumps, e.g. combinations of two or more jet pumps of different type	1644
F04F   7/00		ήμȤδϤѤƤήΤФݥס㡥ή˿ưȯ뤳Ȥˤ	Pumps displacing fluids by using inertia thereof, e.g. by generating vibrations therein	928
F04F   7/02		ݥ	Hydraulic rams	671
F04F   9/00		Ȼݥ	Diffusion pumps	1329
F04F   9/02		¿ʷΤ	of multi-stage type	85
F04F   9/04		ơʤ˰ݥפȤ߹碌Ρ㡥ۤλ	in combination with fore pumps, e.g. use of isolating valves	168
F04F   9/06		ȥåפ߷	Arrangement of vapour traps	195
F04F   9/08			Control	120
F04F  10/00		ۥ	Siphons	2622
F04F  10/02		ϤκѤ륵ۥ	Gravity-actuated siphons	372
F04F  13/00		ϸ򴹴Σ	Pressure exchangers	837
F04F  99/00		Υ֥饹¾Υ롼פˤʬवʤࡡΣ	Subject matter not provided for in other groups of this subclass	946
