F04D   1/00		Ⱦήݥס㡥󿴥ݥס󿴥ݥסüήΤݥפ뤿ŬѤΣƣģƤӿѤޤͽΣƣģΤӰήΤƱˤȤΣƣģ	Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps(adapted for pumping specific fluids <b>F04D7/00</b>; priming or boosting <b>F04D9/00</b>; pumping liquids and elastic fluids at the same time <b>F04D31/00</b>)	6405
F04D   1/02		ʤĤΡ㡥ῴΤ	having non-centrifugal stages, e.g. centripetal	288
F04D   1/04		󿴥ݥ	Helico-centrifugal pumps	880
F04D   1/06		¿ʥݥסʣƣģͥ	Multi-stage pumps(<b>F04D1/02</b> takes precedence)	4119
F04D   1/08		ʤƱ濴ˤ	the stages being situated concentrically	1583
F04D   1/10		ʤ̤ήϩѴ뤿֤ĤΡ㡥ľ	with means for changing the flow-path through the stages, e.g. series/parallel	307
F04D   1/12		ƴǲžƤήΤͤФƤؤޤϺ꤯ĥݥ	Pumps with scoops or like paring members protruding in the fluid circulating in a bowl	598
F04D   1/14		ľıߤƴαϤˤäήΤ徺ݥ	Pumps raising fluids by centrifugal force within a conical rotary bowl with vertical axis	536
F04D   3/00		ήݥסʸƤӿѤޤͽΣƣģΤӰήΤƱˤȤΣƣģ	Axial-flow pumps(priming or boosting <b>F04D9/00</b>; pumping liquids and elastic fluids at the same time <b>F04D31/00</b>)	2746
F04D   3/02		奦Τ	of screw type	2277
F04D   5/00		߼ޤϲήĥݥסʱΤӰήΤƱˤȤΣƣģ	Pumps with circumferential or transverse flow(pumping liquids and elastic fluids at the same time <b>F04D31/00</b>)	3549
F04D   7/00		üήΤ򰷤ŬѤݥס㡥ݥפޤϥݥΤüʺ򤹤ΡʱΤӰήΤƱˤȤΣƣģ	Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts(pumping liquids and elastic fluids at the same time <b>F04D31/00</b>)	2202
F04D   7/02		󿴷Τ	of centrifugal type	1859
F04D   7/04		ήΤǴޤԶѼǤ	the fluids being viscous or non-homogeneous	9716
F04D   7/06		ήΤⲹޤ忩ǤΡ㡥ζ°	the fluids being hot or corrosive, e.g. liquid metal	3170
F04D   7/08		ήΤǽ򤪤ӤƤ	the fluids being radioactive	502
F04D   9/00		ƤӿѤΡĺɤɻߤ	Priming; Preventing vapour lock	2598
F04D   9/02		ۼݥ	Self-priming pumps	4681
F04D   9/04		ƤӿݥפѤΡĺɤɻߤ뤿ͽݥפѤ	using priming pumps; using booster pumps to prevent vapour lock	1711
F04D   9/06		åȷΤ	of jet type	766
F04D  11/00		¾βžѷݥסʥݥ֤ޤϷϣƣģΤӰήΤƱˤȤΣƣģ	Other rotary non-positive-displacement pumps(pumping installations or systems <b>F04D13/00</b>; pumping liquids and elastic fluids at the same time <b>F04D31/00</b>)	862
F04D  13/00		ݥ֤ޤϷϡ椹ΣƣģΤӰήΤƱˤȤΣƣģ	Pumping installations or systems(controlling <b>F04D15/00</b>; pumping liquids and elastic fluids at the same time <b>F04D31/00</b>)	2843
F04D  13/02		ݥפӤζưʤޤ˥åȡΣ	Units comprising pumps and their driving means	6244
F04D  13/04		ήΤǶưݥ	the pump being fluid-driven	2061
F04D  13/06		ŵǶưݥ	the pump being electrically driven	28283
F04D  13/08		ǻѤ뤿Τ	for submerged use	13649
F04D  13/10		ͷ˻Ѥ뤿˺Ѥ	adapted for use in mining bore holes	3561
F04D  13/12		İʾΥݥפȤ߹碌Ρʾĺɤɻߤ뤿θƤӿݥפޤͽݥפȤȤ߹碌ƣģ	Combinations of two or more pumps(combinations with priming pumps or booster pumps to counter-act vapour lock <b>F04D9/04</b>)	2567
F04D  13/14		٤Ʊ󿴷Ǥݥ	the pumps being all of centrifugal type	1270
F04D  13/16		Ĥ	with storage reservoirs	2505
F04D  15/00		桤㡥ݥסݥ֤ޤϷϤĴ	Control, e.g. regulation, of pumps, pumping installations, or systems	22497
F04D  15/02		˾ޤʤ֤ä˥ݥפߤޤۤư	Stopping of pumps, or operating valves, on occurrence of unwanted conditions	3134
F04D  17/00		ήΤäŬ礷Ⱦήݥס㡥ήΤäŬ礷󿴥ݥס󿴥ݥסʣƣģͥ	Radial-flow pumps specially adapted for elastic fluids, e.g. centrifugal pumps; Helico-centrifugal pumps specially adapted for elastic fluids(<b>F04D21/00</b> takes precedence)	816
F04D  17/02		ʤĤΡ㡥ῴΤ	having non-centrifugal stages, e.g. centripetal	465
F04D  17/04		ήΤ	of transverse-flow type	3253
F04D  17/06		󿴥ݥ	Helico-centrifugal pumps	449
F04D  17/08		󿴥ݥ	Centrifugal pumps	3430
F04D  17/10		̤ޤӵ	for compressing or evacuating	4365
F04D  17/12		¿ʥݥ	Multi-stage pumps	3148
F04D  17/14		ʤ̤ήϩѴ뤿֤ĤΡ㡥ľʥƣģ	with means for changing the flow-path through the stages, e.g. series/parallel(surge control <b>F04D27/02</b>)	174
F04D  17/16		Ωä̤ʤФ	for displacing without appreciable compression	4954
F04D  17/18		ݥפ˰ޤ줿ΤαϤѤˤäħŤ	characterised by use of centrifugal force of liquids entrained in pumps	460
F04D  19/00		ήΤäŬ礷ήݥסʣƣģͥ	Axial-flow pumps specially adapted for elastic fluids(<b>F04D21/00</b> takes precedence)	6515
F04D  19/02		¿ʥݥ	Multi-stage pumps	1624
F04D  19/04		⿿Ĥ뤿äŬ礷Ρ㡥ʬҥݥ	specially adapted to the production of a high vacuum, e.g. molecular pumps	4730
F04D  21/00		ήΤäŬ礷Ķ®ΥݥήΤĥݥ	Pumps specially adapted for elastic fluids involving supersonic speed of pumped fluids	377
F04D  23/00		ήΤäŬ礷¾βžѷݥסʥݥ֤ޤϷƣģ	Other rotary non-positive-displacement pumps specially adapted for elastic fluids(pumping installations or systems <b>F04D25/00</b>)	2267
F04D  25/00		ήΤäŬ礷ݥ֤ޤϷϡƣģ	Pumping installations or systems specially adapted for elastic fluids(controlling <b>F04D27/00</b>)	912
F04D  25/02		ݥפӤζưʤ˥åȡΣ	Units comprising pumps and their driving means	3215
F04D  25/04		ήζưݥ	the pump being fluid-driven	2790
F04D  25/06		ưݥסʣƣģͥ	the pump being electrically driven(<b>F04D25/08</b> takes precedence)	13129
F04D  25/08		ưήΤǤΡ㡥֤ΤΤ	the working fluid being air, e.g. for ventilation	70272
F04D  25/10		ǽжưŪѤ뤿ĥ˥å	the unit having provisions for automatically changing the direction of output air	7280
F04D  25/12		ؤοդŬѤ˥å	the unit being adapted for mounting in apertures	1042
F04D  25/14		֤ĤΡ㡥ѤʤϡưŪĤ	and having shutters, e.g. automatically closed when not in use	931
F04D  25/16		İʾΥݥפȤ߹碌	Combinations of two or more pumps	9093
F04D  27/00		ήΤäŬ礷ݥסݥ֤ޤϷϤ桤㡥ĴΣ	Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids 	38508
F04D  27/02			Surge control	6317
F04D  29/00		ޤ°ʡʵǰ̣ƣ	Details, component parts, or accessories(machine elements in general <b>F16</b>)	45746
F04D  29/02		üʺüʱΤ򰷤ΤΣƣģ	Selection of particular materials(for handling specific liquids <b>F04D7/00</b>)	13898
F04D  29/04		⤷ϼޤϤΩʪʰήΥݥפäŬ礷ΣƣģˡΣ	Shafts or bearings, or assemblies thereof(specially adapted for elastic fluid pumps <b>F04D29/05</b>)	8986
F04D  29/041		ϥХ֡Σ	Axial thrust balancing	2128
F04D  29/042		˰֤ѹǽʥʣƣģͥˡΣ	Axially shiftable rotors(<b>F04D29/041</b> takes precedence)	115
F04D  29/043		Σ	Shafts	4036
F04D  29/044		ܹޤΩ¤Σ	Arrangements for joining or assembling shafts	3078
F04D  29/046		Σ	Bearings	7832
F04D  29/047		ήϳŪʤΡήưϳŪʤΡΣ	hydrostatic; hydrodynamic	1203
F04D  29/048		ŪʤΡżŪʤΡΣ	magnetic; electromagnetic	685
F04D  29/049		ž꼴Σ	Roller bearings	1219
F04D  29/05		ήΥݥפäŬ礷⤷ϼޤϤΩʪΣ	Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps	1530
F04D  29/051		ϥХ֡Σ	Axial thrust balancing	1088
F04D  29/052		˰֤ѹǽʥʣƣģͥˡΣ	Axially shiftable rotors(<b>F04D29/051</b> takes precedence)	57
F04D  29/053		Σ	Shafts	2883
F04D  29/054		ܹޤΩ¤Σ	Arrangements for joining or assembling shafts	1394
F04D  29/056		Σ	Bearings	5604
F04D  29/057		ήϳŪʤΡήưϳŪʤΡΣ	hydrostatic; hydrodynamic	1263
F04D  29/058		ŪʤΡżŪʤΡΣ	magnetic; electromagnetic	1315
F04D  29/059		ž꼴Σ	Roller bearings	1096
F04D  29/06		Σ	Lubrication	4659
F04D  29/063		ήΥݥפäŬ礷ΡΣ	specially adapted for elastic fluid pumps	3013
F04D  29/08			Sealings	17489
F04D  29/10		Υ	Shaft sealings	9742
F04D  29/12		󥰤Ѥ	using sealing-rings	8274
F04D  29/14		ݥפưʤȤΤߺư	operative only when pump is inoperative	391
F04D  29/16		ⰵ¦ȵ¦δ֤ˤ	between pressure and suction sides	3062
F04D  29/18		ʰήΤäŬ礷Σƣģ	Rotors(specially adapted for elastic fluids <b>F04D29/26</b>)	5883
F04D  29/20		˥夹	Mounting rotors on shafts	3376
F04D  29/22		ä˱󿴥ݥפΤΤ	specially for centrifugal pumps	15424
F04D  29/24			Vanes	6705
F04D  29/26		ήΤäŬ礷	Rotors specially adapted for elastic fluids	5960
F04D  29/28		󿴤ޤϤ󿴥ݥפΤΤ	for centrifugal or helico-centrifugal pumps	19770
F04D  29/30			Vanes	11596
F04D  29/32		ήݥפΤΤ	for axial-flow pumps	12300
F04D  29/34		դ	Blade mountings	5193
F04D  29/36		Ĵǽʤ	adjustable	3374
F04D  29/38			Blades	14825
F04D  29/40		󥰡ưήΤΤ۴	Casings; Connections for working fluid	17197
F04D  29/42		Ⱦ¤ޤϤ󿴥ݥפΤΤ	for radial or helico-centrifugal pumps	42498
F04D  29/44		ήΰ֡㡥ǥե塼	Fluid-guiding means, e.g. diffusers	22893
F04D  29/46		Ĵǽʤ	adjustable	4518
F04D  29/48		ĵեݥפˤñήΤΤ	for unidirectional fluid flow in reversible pumps	216
F04D  29/50		ήդˤ뤿Τ	for reversing fluid flow	281
F04D  29/52		ήݥפΤΤ	for axial pumps	13489
F04D  29/54		ήΰ֡㡥ǥե塼	Fluid-guiding means, e.g. diffusers	12111
F04D  29/56		Ĵǽʤ	adjustable	3143
F04D  29/58		ѡʵޤϵذ̤ΤΣƣСˡǮǮãθ	Cooling(of machines or engines in general <b>F01P</b>);Heating; Diminishing heat transfer	30966
F04D  29/60		Ωʬ	Mounting; Assembling; Disassembling	19356
F04D  29/62		Ⱦ¤ޤϤ󿴥ݥפΤ	of radial or helico-centrifugal pumps	25928
F04D  29/64		ήݥפΤ	of axial pumps	18388
F04D  29/66		ӥơ󡤤ưޤΤΤɻߤΡʵޤϵذ̤ΤεѾòƣΡˡĴʥƣģ	Combating cavitation, whirls, noise, vibration, or the like(gas-flow silencers for machines or engines in general <b>F01N</b>);Balancing(surge control <b>F04D27/02</b>)	53377
F04D  29/68		ؤ˺Ѥ뤳Ȥˤ	by influencing boundary layers	1905
F04D  29/70		۹ʻҡۤʬΥ	Suction grids; Strainers; Dust separation; Cleaning	41017
F04D  31/00		Ʊ˱ΤӰήΤݥפ	Pumping liquids and elastic fluids at the same time	954
F04D  33/00		ʲžʳˤѷݥס㡥ưΤΡʣƣģͥ表ϥɥإɥե¡ˡΣ	Non-positive-displacement pumps with other than pure rotation, e.g. of oscillating type(<b>F04D35/00</b> takes precedence; hand-held fans <b>A45B</b>)	1004
F04D  35/00		Ȥȯݥס㡥ȯ֡ѣˣˡΣ	Pumps producing waves in liquids, i.e. wave-producers(for bath tubs <b>A47K3/10</b>)	377
