F04B1/00	7	Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (machines or pumps with pistons coacting within one cylinder F04B3/00)	F04B1/00	F04B1/00		652
F04B1/005	8	{Pumps with cylinder axis arranged substantially tangentially to a circle centred on main shaft axis}	F04B1/00	F04B1/00		48
F04B1/02	8	having two cylinders (in V-arrangement F04B1/04)	F04B1/02	F04B1/02		1248
F04B1/03	8	with cylinder axis arranged substantially tangentially to a circle centred on main shaft axis	F04B1/03	F04B1/03		22
F04B1/04	8	having cylinders in star- or fan-arrangement	F04B1/04	F04B1/04		248
F04B1/0404	9	Details or component parts	F04B1/0404	F04B1/0404		722
F04B1/0408	10	Pistons	F04B1/0408	F04B1/0408		1090
F04B1/0413	10	Cams	F04B1/0413	F04B1/0413		661
F04B1/0417	11	consisting of two or more cylindrical elements, e.g. rollers	F04B1/0417	F04B1/0417		147
F04B1/0421	10	Cylinders	F04B1/0421	F04B1/0421		650
F04B1/0426	10	Arrangements for pressing the pistons against the actuated cam; Arrangements for connecting the pistons to the actuated cam	F04B1/0426	F04B1/0426		862
F04B1/043	11	Hydraulic arrangements	F04B1/043	F04B1/043		49
F04B1/0435	10	Arrangements for disconnecting the pistons from the actuated cam	F04B1/0435	F04B1/0435		94
F04B1/0439	10	Supporting or guiding means for the pistons	F04B1/0439	F04B1/0439		541
F04B1/0443	10	Draining of the housing; Arrangements for handling leaked fluids	F04B1/0443	F04B1/0443		217
F04B1/0448	10	Sealing means, e.g. for shafts or housings (for pistons F04B1/0408{; Stoffing boxes F04B53/164})	F04B1/0448	F04B1/0448		335
F04B1/0452	10	Distribution members, e.g. valves (machines or pumps with cam-actuated distribution members at the outer ends of the cylinders F04B1/0472; machines or pumps with cam-actuated distribution members at the inner ends of the cylinders F04B1/0531; the piston-driving cams being provided with inlets and outlets F04B1/0535)	F04B1/0452	F04B1/0452		582
F04B1/0456	11	Cylindrical	F04B1/0456	F04B1/0456		320
F04B1/0461	11	Conical	F04B1/0461	F04B1/0461		97
F04B1/0465	11	plate-like	F04B1/0465	F04B1/0465		209
F04B1/047	9	with actuating or actuated elements at the outer ends of the cylinders	F04B1/047	F04B1/047		229
F04B1/0472	10	with cam-actuated distribution members	F04B1/0472	F04B1/0472		36
F04B1/0474	10	with two or more serially arranged radial piston-cylinder units	F04B1/0474	F04B1/0474		32
F04B1/0476	11	located side-by-side	F04B1/0476	F04B1/0476		37
F04B1/0478	11	Coupling of two or more cylinder-barrels	F04B1/0478	F04B1/0478		3
F04B1/053	9	with actuating or actuated elements at the inner ends of the cylinders	F04B1/053	F04B1/053		1022
F04B1/0531	10	with cam-actuated distribution members	F04B1/0531	F04B1/0531		93
F04B1/0533	11	each machine piston having channels that coact with the cylinder and serve as distribution members for another piston-cylinder unit	F04B1/0533	F04B1/0533		13
F04B1/0535	10	the piston-driving cams being provided with inlets and outlets	F04B1/0535	F04B1/0535		60
F04B1/0536	10	with two or more serially arranged radial piston-cylinder units	F04B1/0536	F04B1/0536		63
F04B1/0538	11	located side-by-side	F04B1/0538	F04B1/0538		250
F04B1/06	9	Control	F04B1/06	F04B1/06		359
F04B1/063	10	by using a valve in a system with several pumping chambers wherein the flow-path through the chambers can be changed, e.g. between series and parallel flow	F04B1/063	F04B1/063		85
F04B1/066	10	by changing the phase relationship between the actuating cam and the distributing means	F04B1/066	F04B1/066		70
F04B1/07	10	by varying the relative eccentricity between two members, e.g. a cam and a drive shaft	F04B1/07	F04B1/07		767
F04B1/08	10	regulated by delivery pressure	F04B1/08	F04B1/08		197
F04B1/10	9	the cylinders being movable, e.g. rotary {(F04B3/006 takes precedence)}	F04B1/10	F04B1/10		131
F04B1/107	10	with actuating or actuated elements at the outer ends of the cylinders	F04B1/107	F04B1/107		42
F04B1/1071	11	with rotary cylinder blocks	F04B1/1071	F04B1/1071		369
F04B1/1072	12	with cylinder blocks and actuating cams rotating together (in two or more series radial piston-cylinder units F04B1/1075)	F04B1/1072	F04B1/1072		129
F04B1/1074	12	with two or more serially arranged radial piston-cylinder units	F04B1/1074	F04B1/1074		24
F04B1/1075	13	with cylinder blocks and actuating cams rotating together (in two or more series radial piston-cylinder units directly located side-by-side F04B1/1078)	F04B1/1075	F04B1/1075		5
F04B1/1077	13	located side-by-side	F04B1/1077	F04B1/1077		101
F04B1/1078	14	with cylinder blocks and actuating cams rotating together	F04B1/1078	F04B1/1078		11
F04B1/113	10	with actuating or actuated elements at the inner ends of the cylinders	F04B1/113	F04B1/113		52
F04B1/1133	11	with rotary cylinder blocks	F04B1/1133	F04B1/1133		201
F04B1/1136	12	with a rotary cylinder with a single piston reciprocating within the cylinder	F04B1/1136	F04B1/1136		129
F04B1/12	8	having cylinder axes coaxial with, or parallel or inclined to, main shaft axis	F04B1/12	F04B1/12		203
F04B1/122	9	Details or component parts, e.g. valves, sealings or lubrication means (for machines or pumps having rotary cylinder blocks F04B1/2014)	F04B1/122	F04B1/122		468
F04B1/124	10	Pistons	F04B1/124	F04B1/124		989
F04B1/126	11	Piston shoe retaining means	F04B1/126	F04B1/126		548
F04B1/128	9	Driving means	F04B1/128	F04B1/128		424
F04B1/14	9	having stationary cylinders	F04B1/14	F04B1/14		574
F04B1/141	10	Details or component parts	F04B1/141	F04B1/141		169
F04B1/143	11	Cylinders	F04B1/143	F04B1/143		240
F04B1/145	11	Housings	F04B1/145	F04B1/145		264
F04B1/146	11	Swash plates; Actuating elements	F04B1/146	F04B1/146		522
F04B1/148	12	Bearings therefor	F04B1/148	F04B1/148		214
F04B1/16	10	having two or more sets of cylinders or pistons	F04B1/16	F04B1/16		372
F04B1/18	10	having self-acting distribution members, i.e. actuated by working fluid	F04B1/18	F04B1/18		191
F04B1/182	11	Check valves	F04B1/182	F04B1/182		66
F04B1/184	11	Cylindrical distribution members	F04B1/184	F04B1/184		50
F04B1/186	11	Conical distribution members	F04B1/186	F04B1/186		2
F04B1/188	11	Plate-like distribution members	F04B1/188	F04B1/188		31
F04B1/20	9	having rotary cylinder block	F04B1/20	F04B1/20		714
F04B1/2007	10	Arrangements for pressing the cylinder barrel against the valve plate, e.g. by fluid pressure	F04B1/2007	F04B1/2007		155
F04B1/2014	10	Details or component parts	F04B1/2014	F04B1/2014		519
F04B1/2021	11	characterised by the contact area between cylinder barrel and valve plate	F04B1/2021	F04B1/2021		284
F04B1/2028	12	Bearings	F04B1/2028	F04B1/2028		73
F04B1/2035	11	Cylinder barrels	F04B1/2035	F04B1/2035		729
F04B1/2042	11	Valves	F04B1/2042	F04B1/2042		762
F04B1/205	12	Cylindrical	F04B1/205	F04B1/205		156
F04B1/2057	12	Conical	F04B1/2057	F04B1/2057		10
F04B1/2064	11	Housings	F04B1/2064	F04B1/2064		514
F04B1/2071	12	Bearings for cylinder barrels	F04B1/2071	F04B1/2071		161
F04B1/2078	11	Swash plates	F04B1/2078	F04B1/2078		697
F04B1/2085	12	Bearings for swash plates or driving axles	F04B1/2085	F04B1/2085		431
F04B1/2092	10	Means for connecting rotating cylinder barrels and rotating inclined swash plates	F04B1/2092	F04B1/2092		120
F04B1/22	10	having two or more sets of cylinders or pistons	F04B1/22	F04B1/22		667
F04B1/24	11	inclined to the main shaft axis	F04B1/24	F04B1/24		258
F04B1/26	9	Control	F04B1/26	F04B1/26		246
F04B1/28	10	of machines or pumps with stationary cylinders	F04B1/28	F04B1/28		148
F04B1/29	11	by varying the relative positions of a swash plate and a cylinder block	F04B1/29	F04B1/29		46
F04B1/295	12	by changing the inclination of the swash plate	F04B1/295	F04B1/295		419
F04B1/30	10	of machines or pumps with rotary cylinder blocks	F04B1/30	F04B1/30		83
F04B1/303	11	by turning the valve plate	F04B1/303	F04B1/303		114
F04B1/306	11	by turning the swash plate, e.g. with fixed inclination	F04B1/306	F04B1/306		53
F04B1/32	11	by varying the relative positions of a swash plate and a cylinder block	F04B1/32	F04B1/32		128
F04B1/322	12	by moving the swash plate in a direction perpendicular to the axis of rotation of the cylinder barrel	F04B1/322	F04B1/322		11
F04B1/324	12	by changing the inclination of the swash plate	F04B1/324	F04B1/324		1242
F04B1/326	13	using wedges	F04B1/326	F04B1/326		11
F04B1/328	12	by changing the inclination of the axis of the cylinder barrel relative to the swash plate	F04B1/328	F04B1/328		213
F04B1/34	8	Control not provided for in groups F04B1/02, F04B1/03, F04B1/06 or F04B1/26	F04B1/34	F04B1/34		44
F04B3/00	7	Machines or pumps with pistons coacting within one cylinder, e.g. multi-stage	F04B3/00	F04B3/00		663
F04B3/003	8	{with two or more pistons reciprocating one within another, e.g. one piston forning cylinder of the other}	F04B3/00	F04B3/00		182
F04B3/006	9	{with rotating cylinder block}	F04B3/00	F04B3/00		21
F04B5/00	7	Machines or pumps with differential-surface pistons	F04B5/00	F04B5/00		397
F04B5/02	8	with double-acting pistons	F04B5/02	F04B5/02		753
F04B7/00	7	Piston machines or pumps characterised by having positively-driven valving	F04B7/00	F04B7/00		278
F04B7/0003	8	{the distribution member forming both the inlet and discharge distributor for one single pumping chamber (F04B7/0208 takes precedence)}	F04B7/00	F04B7/00		33
F04B7/0007	9	{and having a rotating movement}	F04B7/00	F04B7/00		139
F04B7/0011	9	{and having an oscillating movement}	F04B7/00	F04B7/00		126
F04B7/0015	9	{and having a slidable movement}	F04B7/00	F04B7/00		94
F04B7/0019	8	{a common distribution member forming a single discharge distributor for a plurality of pumping chambers (F04B7/0233 takes precedence)}	F04B7/00	F04B7/00		21
F04B7/0023	9	{and having a rotating movement}	F04B7/00	F04B7/00		55
F04B7/0026	9	{and having an oscillating movement}	F04B7/00	F04B7/00		94
F04B7/003	9	{and having a slidable movement}	F04B7/00	F04B7/00		38
F04B7/0034	9	{and having an orbital movement, e.g. elbow-pipe type members}	F04B7/00	F04B7/00		71
F04B7/0038	8	{the distribution member forming a single inlet for a plurality of pumping chambers or a multiple discharge for one single pumping chamber}	F04B7/00	F04B7/00		46
F04B7/0042	8	{with specific kinematics of the distribution member (F04B7/0003, F04B7/0019 take precedence)}	F04B7/00	F04B7/00		13
F04B7/0046	9	{for rotating distribution members}	F04B7/00	F04B7/00		189
F04B7/0049	9	{for oscillating distribution members}	F04B7/00	F04B7/00		14
F04B7/0053	9	{for reciprocating distribution members}	F04B7/00	F04B7/00		322
F04B7/0057	8	{Mechanical driving means therefor, e.g. cams}	F04B7/00	F04B7/00		48
F04B7/0061	9	{for a rotating member}	F04B7/00	F04B7/00		28
F04B7/0065	10	{being mounted on the main shaft}	F04B7/00	F04B7/00		47
F04B7/0069	9	{for a sliding member}	F04B7/00	F04B7/00		21
F04B7/0073	8	{the member being of the lost-motion type, e.g. friction-actuated members, or having means for pushing it against or pulling it from its seat}	F04B7/00	F04B7/00		128
F04B7/0076	8	{the members being actuated by electro-magnetic means}	F04B7/00	F04B7/00		446
F04B7/008	8	{the distribution being realised by moving the cylinder itself, e.g. by sliding or swinging (F04B7/0291 takes precedence)}	F04B7/00	F04B7/00		26
F04B7/0084	8	{Component parts or details specially adapted therefor}	F04B7/00	F04B7/00		24
F04B7/0088	9	{Sealing arrangements between the distribution members and the housing}	F04B7/00	F04B7/00		45
F04B7/0092	10	{for oscillating distribution members}	F04B7/00	F04B7/00		30
F04B7/0096	10	{for pipe-type distribution members}	F04B7/00	F04B7/00		76
F04B7/02	8	the valving being fluid-actuated	F04B7/02	F04B7/02		160
F04B7/0208	9	{the distribution member forming both the inlet and discharge distributor for one single pumping chamber}	F04B7/02	F04B7/02		21
F04B7/0216	10	{and having an oscillating movement}	F04B7/02	F04B7/02		16
F04B7/0225	10	{and having a slidable movement}	F04B7/02	F04B7/02		73
F04B7/0233	9	{a common distribution member forming a single discharge distributor for a plurality of pumping chambers}	F04B7/02	F04B7/02		15
F04B7/0241	10	{and having an oscillating movement}	F04B7/02	F04B7/02		43
F04B7/025	10	{and having a slidable movement}	F04B7/02	F04B7/02		18
F04B7/0258	10	{and having an orbital movement, e.g. elbow-pipe type members}	F04B7/02	F04B7/02		32
F04B7/0266	9	{the inlet and discharge means being separate members}	F04B7/02	F04B7/02		178
F04B7/0275	10	{and being deformable, e.g. membranes}	F04B7/02	F04B7/02		50
F04B7/0283	10	{and having a rotating movement}	F04B7/02	F04B7/02		10
F04B7/0291	9	{the distribution being realised by moving the cylinder itself, e.g. by sliding or swinging}	F04B7/02	F04B7/02		23
F04B7/04	8	in which the valving is performed by pistons and cylinders coacting to open and close intake or outlet ports	F04B7/04	F04B7/04		813
F04B7/045	9	{Two pistons coacting within one cylinder}	F04B7/04	F04B7/04		72
F04B7/06	9	the pistons and cylinders being relatively reciprocated and rotated	F04B7/06	F04B7/06		563
F04B9/00	7	Piston machines or pumps characterised by the driving or driven means to or from their working members	F04B9/00	F04B9/00		135
F04B9/02	8	the means being mechanical	F04B9/02	F04B9/02		2826
F04B9/025	9	{Driving of pistons coacting within one cylinder}	F04B9/02	F04B9/02		82
F04B9/04	9	the means being cams, eccentrics or pin-and-slot mechanisms	F04B9/04	F04B9/04		551
F04B9/042	10	{the means being cams}	F04B9/04	F04B9/04		1169
F04B9/045	10	{the means being eccentrics}	F04B9/04	F04B9/04		922
F04B9/047	10	{the means being pin-and-slot mechanisms}	F04B9/04	F04B9/04		249
F04B9/06	9	the means including spring- or weight-loaded lost-motion devices	F04B9/06	F04B9/06		400
F04B9/08	8	the means being fluid	F04B9/08	F04B9/08		130
F04B9/10	9	the fluid being liquid	F04B9/10	F04B9/10		763
F04B9/103	10	having only one pumping chamber	F04B9/103	F04B9/103		157
F04B9/1035	11	{the movement of the pump piston in the two directions being obtained by two single-acting liquid motors each acting in one direction}	F04B9/103	F04B9/103		46
F04B9/105	11	reciprocating movement of the pumping member being obtained by a double-acting liquid motor	F04B9/105	F04B9/105		392
F04B9/1053	12	{one side of the double-acting liquid motor being always under the influence of the liquid under pressure}	F04B9/105	F04B9/105		85
F04B9/1056	12	{with fluid-actuated inlet or outlet valve (mechanically controlled F04B7/00)}	F04B9/105	F04B9/105		69
F04B9/107	11	rectilinear movement of the pumping member in the working direction being obtained by a single-acting liquid motor, e.g. actuated in the other direction by gravity or a spring	F04B9/107	F04B9/107		398
F04B9/1073	12	{with actuation in the other direction by gravity}	F04B9/107	F04B9/107		49
F04B9/1076	12	{with fluid-actuated inlet or outlet valve (mechanically controlled F04B7/00)}	F04B9/107	F04B9/107		26
F04B9/109	10	having plural pumping chambers	F04B9/109	F04B9/109		146
F04B9/1095	11	{having two or more pumping chambers in series}	F04B9/109	F04B9/109		60
F04B9/111	11	with two mechanically connected pumping members	F04B9/111	F04B9/111		72
F04B9/1115	12	{the movement of the pumping pistons in only one direction being obtained by a single-acting piston liquid motor, e.g. actuation in the other direction by spring means}	F04B9/111	F04B9/111		33
F04B9/113	12	reciprocating movement of the pumping members being obtained by a double-acting liquid motor	F04B9/113	F04B9/113		541
F04B9/115	12	reciprocating movement of the pumping members being obtained by two single-acting liquid motors, each acting in one direction	F04B9/115	F04B9/115		288
F04B9/117	11	the pumping members not being mechanically connected to each other	F04B9/117	F04B9/117		106
F04B9/1172	12	{the movement of each pump piston in the two directions being obtained by a double-acting piston liquid motor}	F04B9/117	F04B9/117		178
F04B9/1174	13	{with fluid-actuated inlet or outlet valve (mechanically controlled F04B7/00)}	F04B9/117	F04B9/117		45
F04B9/1176	12	{the movement of each piston in one direction being obtained by a single-acting piston liquid motor}	F04B9/117	F04B9/117		115
F04B9/1178	13	{the movement in the other direction being obtained by a hydraulic connection between the liquid motor cylinders}	F04B9/117	F04B9/117		205
F04B9/12	9	the fluid being elastic, e.g. steam or air	F04B9/12	F04B9/12		330
F04B9/1207	10	{using a source of partial vacuum or sub-atmospheric pressure}	F04B9/12	F04B9/12		116
F04B9/1215	11	{the return stroke being obtained by a spring}	F04B9/12	F04B9/12		28
F04B9/1222	11	{the return stroke being obtained by an elastic fluid under pressure}	F04B9/12	F04B9/12		34
F04B9/123	10	having only one pumping chamber	F04B9/123	F04B9/123		121
F04B9/1235	11	{the movement of the pump piston in the two directions being obtained by two single-acting piston fluid motors, each acting in one direction}	F04B9/123	F04B9/123		35
F04B9/125	11	reciprocating movement of the pumping member being obtained by a double-acting elastic-fluid motor	F04B9/125	F04B9/125		268
F04B9/1253	12	{one side of the double-acting piston fluid motor being always under the influence of the fluid under pressure}	F04B9/125	F04B9/125		58
F04B9/1256	12	{with fluid-actuated inlet or outlet valve (mechanically controlled F04B7/00)}	F04B9/125	F04B9/125		44
F04B9/127	11	rectilinear movement of the pumping member in the working direction being obtained by a single-acting elastic-fluid motor, e.g. actuated in the other direction by gravity or a spring	F04B9/127	F04B9/127		346
F04B9/1273	12	{with actuation in the other direction by gravity}	F04B9/127	F04B9/127		17
F04B9/1276	12	{with fluid-actuated inlet or outlet valve (mechanically controlled F04B7/00)}	F04B9/127	F04B9/127		21
F04B9/129	10	having plural pumping chambers	F04B9/129	F04B9/129		53
F04B9/1295	11	{having two or more pumping chambers in series}	F04B9/129	F04B9/129		64
F04B9/131	11	with two mechanically connected pumping members	F04B9/131	F04B9/131		32
F04B9/1315	12	{the movement of the pumping pistons in only one direction being obtained by a single-acting piston fluid motor, e.g. actuation in the other direction by spring means}	F04B9/131	F04B9/131		23
F04B9/133	12	reciprocating movement of the pumping members being obtained by a double-acting elastic-fluid motor	F04B9/133	F04B9/133		257
F04B9/135	12	reciprocating movement of the pumping members being obtained by two single-acting elastic-fluid motors, each acting in one direction	F04B9/135	F04B9/135		159
F04B9/137	11	the pumping members not being mechanically connected to each other	F04B9/137	F04B9/137		36
F04B9/1372	12	{the movement of each pump piston in the two directions is obtained by a double-acting piston fluid motor}	F04B9/137	F04B9/137		33
F04B9/1374	13	{with fluid-actuated inlet or outlet valve (mechanically controlled F04B7/00)}	F04B9/137	F04B9/137		5
F04B9/1376	12	{the movement of each piston in one direction being obtained by a single-acting piston fluid motor}	F04B9/137	F04B9/137		20
F04B9/1378	13	{the movement in the other direction being obtained by an hydraulic connection between the fluid motor cylinders}	F04B9/137	F04B9/137		10
F04B9/14	8	Pumps characterised by muscle-power operation {(hand-held spraying or dispensing apparatus using pumps or bulbs B05B11/00)}	F04B9/14	F04B9/14		2622
F04B11/00	7	Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation	F04B11/00	F04B11/00		518
F04B11/0008	8	{using accumulators}	F04B11/00	F04B11/00		218
F04B11/0016	9	{with a fluid spring}	F04B11/00	F04B11/00		418
F04B11/0025	10	{the spring fluid being in direct contact with the pumped fluid}	F04B11/00	F04B11/00		257
F04B11/0033	9	{with a mechanical spring}	F04B11/00	F04B11/00		289
F04B11/0041	8	{by piston speed control (F04B11/0058 takes precedence)}	F04B11/00	F04B11/00		40
F04B11/005	8	{using two or more pumping pistons}	F04B11/00	F04B11/00		192
F04B11/0058	9	{with piston speed control}	F04B11/00	F04B11/00		124
F04B11/0066	10	{with special shape of the actuating element}	F04B11/00	F04B11/00		70
F04B11/0075	9	{connected in series}	F04B11/00	F04B11/00		112
F04B11/0083	10	{the pistons having different cross-sections}	F04B11/00	F04B11/00		61
F04B11/0091	8	{using a special shape of fluid pass, e.g. throttles, ducts}	F04B11/00	F04B11/00		343
F04B13/00	7	Pumps specially modified to deliver fixed or variable measured quantities	F04B13/00	F04B13/00		1827
F04B13/02	8	of two or more fluids at the same time	F04B13/02	F04B13/02		763
F04B15/00	7	Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts	F04B15/00	F04B15/00		414
F04B15/02	8	the fluids being viscous or non-homogeneous	F04B15/02	F04B15/02		2939
F04B15/023	9	{supply of fluid to the pump by gravity through a hopper, e.g. without intake valve}	F04B15/02	F04B15/02		715
F04B2015/026	9	{with a priming plunger or piston ahead of the pumping piston and connected on the same piston rod}	F04B15/02	F04B15/02		28
F04B15/04	8	the fluids being hot or corrosive (for liquids near their boiling point, e.g. under subnormal pressure, F04B15/06)	F04B15/04	F04B15/04		416
F04B15/06	8	for liquids near their boiling point, e.g. under subnormal pressure	F04B15/06	F04B15/06		95
F04B15/08	9	the liquids having low boiling points	F04B15/08	F04B15/08		664
F04B2015/081	10	{Liquefied gases}	F04B15/08	F04B15/08		150
F04B2015/0812	11	{Air}	F04B15/08	F04B15/08		6
F04B2015/0814	11	{Argon}	F04B15/08	F04B15/08		7
F04B2015/0816	11	{Carbon monoxide}	F04B15/08	F04B15/08		
F04B2015/0818	11	{Carbon dioxide}	F04B15/08	F04B15/08		40
F04B2015/082	11	{Helium}	F04B15/08	F04B15/08		25
F04B2015/0822	11	{Hydrogen}	F04B15/08	F04B15/08		101
F04B2015/0824	11	{Nitrogen}	F04B15/08	F04B15/08		33
F04B2015/0826	11	{Oxygen}	F04B15/08	F04B15/08		10
F04B17/00	7	Pumps characterised by combination with, or adaptation to, specific driving engines or motors	F04B17/00	F04B17/00		1253
F04B17/003	8	{driven by piezoelectric means (F04B43/046 and F04B43/095 take precedence)}	F04B17/00	F04B17/00		276
F04B17/006	8	{Solar operated}	F04B17/00	F04B17/00		317
F04B17/02	8	driven by wind motors	F04B17/02	F04B17/02		293
F04B17/03	8	driven by electric motors	F04B17/03	F04B17/03		5195
F04B17/04	9	using solenoids	F04B17/04	F04B17/04		949
F04B17/042	10	{the solenoid motor being separated from the fluid flow}	F04B17/04	F04B17/04		544
F04B17/044	11	{using solenoids directly actuating the piston}	F04B17/04	F04B17/04		776
F04B17/046	10	{the fluid flowing through the moving part of the motor}	F04B17/04	F04B17/04		637
F04B17/048	10	{the fluid flowing around the moving part of the motor}	F04B17/04	F04B17/04		79
F04B17/05	8	driven by internal-combustion engines	F04B17/05	F04B17/05		1119
F04B17/06	8	Mobile combinations	F04B17/06	F04B17/06		656
F04B19/00	7	Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00&#160;-&#160;F04B17/00	F04B19/00	F04B19/00		133
F04B19/003	8	{free-piston type pumps}	F04B19/00	F04B19/00		157
F04B19/006	8	{Micropumps (F04B43/043 and F04B43/095 take precedence)}	F04B19/00	F04B19/00		1117
F04B19/02	8	having movable cylinders	F04B19/02	F04B19/02		79
F04B19/022	9	{reciprocating cylinders}	F04B19/02	F04B19/02		384
F04B19/025	9	{cylinders rotating around their own axis}	F04B19/02	F04B19/02		76
F04B19/027	9	{cylinders oscillating around an axis perpendicular to their own axis}	F04B19/02	F04B19/02		183
F04B19/04	8	Pumps for special use	F04B19/04	F04B19/04		212
F04B19/06	9	Pumps for delivery of both liquid and elastic fluids at the same time (wet gas pumps F04B37/20)	F04B19/06	F04B19/06		155
F04B19/08	8	Scoop devices	F04B19/08	F04B19/08		80
F04B19/10	9	of wheel type	F04B19/10	F04B19/10		75
F04B19/12	9	of helical or screw-type	F04B19/12	F04B19/12		156
F04B19/14	9	of endless-chain type, e.g. with the chains carrying pistons co-operating with open-ended cylinders	F04B19/14	F04B19/14		524
F04B19/16	8	Adhesion-type liquid-lifting devices	F04B19/16	F04B19/16		120
F04B19/18	9	Adhesion members therefor	F04B19/18	F04B19/18		3
F04B19/20	8	Other positive-displacement pumps	F04B19/20	F04B19/20		156
F04B19/22	9	of reciprocating-piston type	F04B19/22	F04B19/22		678
F04B19/24	9	Pumping by heat expansion of pumped fluid	F04B19/24	F04B19/24		290
F04B23/00	7	Pumping installations or systems (pumps characterised by combination with, or adaptation to, specific driving engines or motors F04B17/00)	F04B23/00	F04B23/00		232
F04B23/02	8	having reservoirs	F04B23/02	F04B23/02		1178
F04B23/021	9	{the pump being immersed in the reservoir}	F04B23/02	F04B23/02		351
F04B23/023	10	{only the pump-part being immersed, the driving-part being outside the reservoir}	F04B23/02	F04B23/02		331
F04B23/025	9	{the pump being located directly adjacent the reservoir}	F04B23/02	F04B23/02		370
F04B23/026	10	{a pump-side forming a wall of the reservoir}	F04B23/02	F04B23/02		87
F04B23/028	10	{the pump being mounted on top of the reservoir}	F04B23/02	F04B23/02		184
F04B23/04	8	Combinations of two or more pumps	F04B23/04	F04B23/04		1222
F04B23/06	9	the pumps being all of reciprocating positive-displacement type	F04B23/06	F04B23/06		1265
F04B23/08	9	the pumps being of different types	F04B23/08	F04B23/08		137
F04B23/10	10	at least one pump being of the reciprocating positive-displacement type	F04B23/10	F04B23/10		228
F04B23/103	11	{being a radial piston pump}	F04B23/10	F04B23/10		234
F04B23/106	11	{being an axial piston pump}	F04B23/10	F04B23/10		264
F04B23/12	10	at least one pump being of the rotary-piston positive-displacement type	F04B23/12	F04B23/12		254
F04B23/14	10	at least one pump being of the non-positive-displacement type	F04B23/14	F04B23/14		290
F04B25/00	7	Multi-stage pumps	F04B25/00	F04B25/00		805
F04B25/005	8	{with two cylinders}	F04B25/00	F04B25/00		553
F04B25/02	8	of stepped piston type	F04B25/02	F04B25/02		453
F04B25/04	8	having cylinders coaxial with, or parallel or inclined to, main shaft axis	F04B25/04	F04B25/04		349
F04B27/00	7	Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders (multi-stage pumps specially adapted for elastic fluids F04B25/00)	F04B27/00	F04B27/00		192
F04B27/005	8	{with two cylinders}	F04B27/00	F04B27/00		615
F04B27/02	8	having cylinders arranged oppositely relative to main shaft	F04B27/02	F04B27/02		891
F04B27/04	8	having cylinders in star- or fan-arrangement	F04B27/04	F04B27/04		169
F04B27/0404	9	{Details, component parts specially adapted for such pumps}	F04B27/04	F04B27/04		135
F04B27/0409	10	{Pistons}	F04B27/04	F04B27/04		134
F04B27/0414	10	{Cams}	F04B27/04	F04B27/04		80
F04B27/0418	11	{consisting of several cylindrical elements, e.g. rollers}	F04B27/04	F04B27/04		3
F04B27/0423	10	{Cylinders}	F04B27/04	F04B27/04		88
F04B27/0428	10	{Arrangements for pressing or connecting the pistons against the actuated cam}	F04B27/04	F04B27/04		121
F04B27/0432	11	{hydraulically}	F04B27/04	F04B27/04		3
F04B27/0437	10	{Disconnecting the pistons from the actuated cam}	F04B27/04	F04B27/04		10
F04B27/0442	10	{Supporting and guiding means for the pistons}	F04B27/04	F04B27/04		57
F04B27/0446	10	{Draining of the engine housing; Arrangements dealing with leakage fluid}	F04B27/04	F04B27/04		39
F04B27/0451	10	{Particularities relating to the distribution members (F04B27/0472, F04B27/0531 and F04B27/0535 take precedence)}	F04B27/04	F04B27/04		45
F04B27/0456	11	{to cylindrical distribution members}	F04B27/04	F04B27/04		100
F04B27/046	11	{to conical distribution members}	F04B27/04	F04B27/04		7
F04B27/0465	11	{to plate like distribution members}	F04B27/04	F04B27/04		35
F04B27/047	9	with an actuating element at the outer ends of the cylinders	F04B27/047	F04B27/047		37
F04B27/0472	10	{with cam-actuated distribution members}	F04B27/047	F04B27/047		6
F04B27/0474	10	{with two or more series radial piston-cylinder units}	F04B27/047	F04B27/047		3
F04B27/0476	11	{directly located side-by-side}	F04B27/047	F04B27/047		
F04B27/0478	11	{Coupling of several cylinder-barrels}	F04B27/047	F04B27/047		
F04B27/053	9	with an actuating element at the inner ends of the cylinders	F04B27/053	F04B27/053		294
F04B27/0531	10	{with cam-actuated distribution members}	F04B27/053	F04B27/053		21
F04B27/0533	11	{each machine piston being provided with channels, which are coacting with the cylinder and are used as a distribution member for another piston-cylinder unit}	F04B27/053	F04B27/053		2
F04B27/0535	10	{the piston-driving cam being provided with an inlet or an outlet}	F04B27/053	F04B27/053		4
F04B27/0536	10	{with two or more series radial piston-cylinder units}	F04B27/053	F04B27/053		25
F04B27/0538	11	{directly located side-by-side}	F04B27/053	F04B27/053		38
F04B27/06	9	the cylinders being movable, e.g. rotary {(F04B27/08 takes precedence)}	F04B27/06	F04B27/06		69
F04B27/0606	10	{having cylinders in star- or fan-arrangement, the connection of the pistons with an actuating element being at the outer ends of the cylinders}	F04B27/06	F04B27/06		8
F04B27/0612	11	{rotary cylinder block}	F04B27/06	F04B27/06		58
F04B27/0619	12	{cylinder block and actuating cam rotating together (F04B27/0631 and F04B27/0644 take precedence)}	F04B27/06	F04B27/06		35
F04B27/0625	12	{with two or more series radial piston cylinder units}	F04B27/06	F04B27/06		1
F04B27/0631	13	{cylinder block and actuating cam both rotating (F04B27/0644 takes precedence)}	F04B27/06	F04B27/06		2
F04B27/0638	13	{directly located side by side}	F04B27/06	F04B27/06		2
F04B27/0644	14	{cylinder block and actuating cam both rotating}	F04B27/06	F04B27/06		1
F04B27/065	10	{having cylinders in star- or fan-arrangement, the connection of the pistons with an actuating element being at the inner ends of the cylinders}	F04B27/06	F04B27/06		29
F04B27/0657	11	{rotary cylinder block}	F04B27/06	F04B27/06		51
F04B27/0663	12	{the rotary cylinder being provided with only one piston, reciprocating within this cylinder}	F04B27/06	F04B27/06		23
F04B27/067	9	Control	F04B27/067	F04B27/067		18
F04B27/0673	10	{by using a valve in a system with several pumping chambers, wherein the flow-path through the chambers can be changed, e.g. series-parallel}	F04B27/067	F04B27/067		9
F04B27/0676	10	{by changing the phase relationship between the actuating cam and the distribution means}	F04B27/067	F04B27/067		4
F04B27/073	10	by varying the relative eccentricity between two members, e.g. a cam and a drive shaft	F04B27/073	F04B27/073		7
F04B27/08	8	having cylinders coaxial with, or parallel or inclined to, main shaft axis	F04B27/08	F04B27/08		619
F04B27/0804	9	{having rotary cylinder block}	F04B27/08	F04B27/08		41
F04B27/0808	10	{having two or more sets of cylinders or pistons}	F04B27/08	F04B27/08		29
F04B27/0813	11	{inclined to main shaft axis}	F04B27/08	F04B27/08		42
F04B27/0817	10	{arrangements for pressing the cylinder barrel against the valve plate, e.g. by fluid pressure}	F04B27/08	F04B27/08		5
F04B27/0821	10	{component parts, details, e.g. valves, sealings, lubrication}	F04B27/08	F04B27/08		69
F04B27/0826	11	{particularities in the contacting area between cylinder barrel and valve plate}	F04B27/08	F04B27/08		14
F04B27/083	12	{bearing means}	F04B27/08	F04B27/08		14
F04B27/0834	11	{cylinder barrel}	F04B27/08	F04B27/08		28
F04B27/0839	11	{valve means, e.g. valve plate}	F04B27/08	F04B27/08		87
F04B27/0843	12	{cylindrical valve means}	F04B27/08	F04B27/08		15
F04B27/0847	12	{conical valve means}	F04B27/08	F04B27/08		1
F04B27/0852	11	{machine housing}	F04B27/08	F04B27/08		16
F04B27/0856	12	{cylinder barrel bearing means}	F04B27/08	F04B27/08		6
F04B27/086	11	{swash plate}	F04B27/08	F04B27/08		121
F04B27/0865	12	{swash plate bearing means or driving axis bearing means}	F04B27/08	F04B27/08		40
F04B27/0869	10	{connection between rotating cylinder barrel and rotating inclined swash plate}	F04B27/08	F04B27/08		16
F04B27/0873	9	{Component parts, e.g. sealings; Manufacturing or assembly thereof}	F04B27/08	F04B27/08		204
F04B27/0878	10	{Pistons}	F04B27/08	F04B27/08		818
F04B27/0882	11	{piston shoe retaining means}	F04B27/08	F04B27/08		96
F04B27/0886	11	{Piston shoes}	F04B27/08	F04B27/08		376
F04B27/0891	10	{casings, housings}	F04B27/08	F04B27/08		144
F04B27/0895	10	{driving means}	F04B27/08	F04B27/08		514
F04B27/10	9	having stationary cylinders	F04B27/10	F04B27/10		212
F04B27/1009	10	{Distribution members}	F04B27/10	F04B27/10		378
F04B27/1018	11	{Cylindrical distribution members}	F04B27/10	F04B27/10		473
F04B27/1027	11	{Conical distribution members}	F04B27/10	F04B27/10		16
F04B27/1036	10	{Component parts, details, e.g. sealings, lubrication}	F04B27/10	F04B27/10		470
F04B27/1045	11	{Cylinders}	F04B27/10	F04B27/10		550
F04B27/1054	11	{Actuating elements}	F04B27/10	F04B27/10		816
F04B27/1063	12	{Actuating-element bearing means or driving-axis bearing means}	F04B27/10	F04B27/10		414
F04B27/1072	12	{Pivot mechanisms}	F04B27/10	F04B27/10		452
F04B27/1081	11	{Casings, housings}	F04B27/10	F04B27/10		818
F04B27/109	11	{Lubrication}	F04B27/10	F04B27/10		629
F04B27/12	10	having plural sets of cylinders or pistons	F04B27/12	F04B27/12		373
F04B27/14	9	Control	F04B27/14	F04B27/14		217
F04B27/16	10	of pumps with stationary cylinders	F04B27/16	F04B27/16		82
F04B27/18	11	by varying the relative positions of a swash plate and a cylinder block	F04B27/18	F04B27/18		354
F04B27/1804	12	{Controlled by crankcase pressure}	F04B27/18	F04B27/18		1155
F04B2027/1809	13	{Controlled pressure}	F04B27/18	F04B27/18		15
F04B2027/1813	14	{Crankcase pressure}	F04B27/18	F04B27/18		546
F04B2027/1818	14	{Suction pressure}	F04B27/18	F04B27/18		63
F04B2027/1822	13	{Valve-controlled fluid connection}	F04B27/18	F04B27/18		17
F04B2027/1827	14	{between crankcase and discharge chamber}	F04B27/18	F04B27/18		548
F04B2027/1831	14	{between crankcase and suction chamber}	F04B27/18	F04B27/18		383
F04B2027/1836	14	{between crankcase and working chamber}	F04B27/18	F04B27/18		9
F04B2027/184	13	{Valve controlling parameter}	F04B27/18	F04B27/18		4
F04B2027/1845	14	{Crankcase pressure}	F04B27/18	F04B27/18		140
F04B2027/185	14	{Discharge pressure}	F04B27/18	F04B27/18		136
F04B2027/1854	14	{External parameters}	F04B27/18	F04B27/18		374
F04B2027/1859	14	{Suction pressure}	F04B27/18	F04B27/18		355
F04B2027/1863	13	{with an auxiliary valve, controlled by}	F04B27/18	F04B27/18		4
F04B2027/1868	14	{Crankcase pressure}	F04B27/18	F04B27/18		30
F04B2027/1872	14	{Discharge pressure}	F04B27/18	F04B27/18		48
F04B2027/1877	14	{External parameters}	F04B27/18	F04B27/18		48
F04B2027/1881	14	{Suction pressure}	F04B27/18	F04B27/18		47
F04B2027/1886	13	{Open (not controlling) fluid passage}	F04B27/18	F04B27/18		6
F04B2027/189	14	{between crankcase and discharge chamber}	F04B27/18	F04B27/18		39
F04B2027/1895	14	{between crankcase and suction chamber}	F04B27/18	F04B27/18		81
F04B27/20	10	of pumps with rotary cylinder block	F04B27/20	F04B27/20		7
F04B27/22	11	by varying the relative positions of a swash plate and a cylinder block	F04B27/22	F04B27/22		49
F04B27/24	8	Control not provided for in a single group of groups F04B27/02&#160;-&#160;F04B27/22	F04B27/24	F04B27/24		24
F04B29/00	7	{Other pumps with movable, e.g. rotatable cylinders}	F04B37/00	F04B29/00		333
F04B31/00	7	Free-piston pumps specially adapted for elastic fluids; Systems incorporating such pumps (muscle-driven pumps in which the stroke is not defined by gearing F04B33/00)	F04B31/00	F04B31/00		342
F04B33/00	7	Pumps actuated by muscle power, e.g. for inflating	F04B33/00	F04B33/00		1223
F04B33/005	8	{specially adapted for inflating tyres of non-motorised vehicles, e.g. cycles, tricycles}	F04B33/00	F04B33/00		1732
F04B33/02	8	with intermediate gearing	F04B33/02	F04B33/02		64
F04B35/00	7	Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for	F04B35/00	F04B35/00		1027
F04B35/002	8	{driven by internal combustion engines}	F04B35/00	F04B35/00		688
F04B35/004	8	{driven by floating elements}	F04B35/00	F04B35/00		70
F04B35/006	8	{driven by steam engines}	F04B35/00	F04B35/00		107
F04B35/008	8	{the means being a fluid transmission link}	F04B35/00	F04B35/00		507
F04B35/01	8	the means being mechanical	F04B35/01	F04B35/01		803
F04B35/04	8	the means being electric	F04B35/04	F04B35/04		7226
F04B35/045	9	{using solenoids}	F04B35/04	F04B35/04		2197
F04B35/06	8	Mobile combinations	F04B35/06	F04B35/06		890
F04B37/00	7	Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00&#160;-&#160;F04B35/00	F04B37/00	F04B37/00		101
F04B37/02	8	for evacuating by absorption or adsorption	F04B37/02	F04B37/02		258
F04B37/04	9	Selection of specific absorption or adsorption materials	F04B37/04	F04B37/04		88
F04B37/06	8	for evacuating by thermal means	F04B37/06	F04B37/06		76
F04B37/08	9	by condensing or freezing, e.g. cryogenic pumps	F04B37/08	F04B37/08		923
F04B37/085	10	{Regeneration of cryo-pumps}	F04B37/08	F04B37/08		126
F04B37/10	8	for special use (for evacuating by absorption or adsorption F04B37/02; for evacuating by thermal means F04B37/06)	F04B37/10	F04B37/10		308
F04B37/12	9	to obtain high pressure	F04B37/12	F04B37/12		1432
F04B37/14	9	to obtain high vacuum	F04B37/14	F04B37/14		1963
F04B37/16	10	Means for nullifying unswept space	F04B37/16	F04B37/16		202
F04B37/18	9	for specific elastic fluids	F04B37/18	F04B37/18		390
F04B37/20	10	for wet gases, e.g. wet air	F04B37/20	F04B37/20		100
F04B39/00	7	Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00	F04B39/00	F04B39/00		4628
F04B39/0005	8	{adaptations of pistons}	F04B39/00	F04B39/00		3254
F04B39/0011	9	{liquid pistons}	F04B39/00	F04B39/00		741
F04B39/0016	9	{with valve arranged in the piston}	F04B39/00	F04B39/00		1790
F04B39/0022	9	{piston rods}	F04B39/00	F04B39/00		1005
F04B39/0027	8	{Pulsation and noise damping means}	F04B39/00	F04B39/00		2102
F04B39/0033	9	{with encapsulations}	F04B39/00	F04B39/00		458
F04B39/0038	10	{of inlet or outlet channels}	F04B39/00	F04B39/00		201
F04B39/0044	9	{with vibration damping supports}	F04B39/00	F04B39/00		2009
F04B39/005	9	{with direct action on the fluid flow using absorptive materials}	F04B39/00	F04B39/00		188
F04B39/0055	9	{with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes}	F04B39/00	F04B39/00		909
F04B39/0061	10	{using muffler volumes}	F04B39/00	F04B39/00		1395
F04B39/0066	10	{using sidebranch resonators, e.g. Helmholtz resonators}	F04B39/00	F04B39/00		264
F04B39/0072	10	{characterised by assembly or mounting}	F04B39/00	F04B39/00		571
F04B39/0077	9	{by generating oil foam}	F04B39/00	F04B39/00		18
F04B39/0083	9	{using blow off silencers}	F04B39/00	F04B39/00		602
F04B39/0088	9	{using mechanical tuned resonators}	F04B39/00	F04B39/00		90
F04B39/0094	8	{crankshaft}	F04B39/00	F04B39/00		1554
F04B39/02	8	Lubrication (of machines or engines in general F01M)	F04B39/02	F04B39/02		1193
F04B39/0207	9	{with lubrication control systems}	F04B39/02	F04B39/02		495
F04B39/0215	9	{characterised by the use of a special lubricant}	F04B39/02	F04B39/02		142
F04B39/0223	9	{characterised by the compressor type (swash-plate compressors F04B27/109)}	F04B39/02	F04B39/02		57
F04B39/023	10	{Hermetic compressors}	F04B39/02	F04B39/02		403
F04B39/0238	11	{with oil distribution channels}	F04B39/02	F04B39/02		215
F04B39/0246	12	{in the rotating shaft}	F04B39/02	F04B39/02		777
F04B39/0253	13	{using centrifugal force for transporting the oil}	F04B39/02	F04B39/02		253
F04B39/0261	11	{with an auxiliary oil pump}	F04B39/02	F04B39/02		392
F04B39/0269	11	{with device for spraying lubricant or with mist lubrication}	F04B39/02	F04B39/02		81
F04B39/0276	10	{the pump being of the reciprocating piston type, e.g. oscillating, free-piston compressors}	F04B39/02	F04B39/02		413
F04B39/0284	9	{Constructional details, e.g. reservoirs in the casing (swash-plate compressors F04B27/0878, F04B27/109)}	F04B39/02	F04B39/02		673
F04B39/0292	10	{Lubrication of pistons or cylinders}	F04B39/02	F04B39/02		589
F04B39/04	8	Measures to avoid lubricant contaminating the pumped fluid	F04B39/04	F04B39/04		826
F04B39/041	9	{sealing for a reciprocating rod (sealing in general F16J)}	F04B39/04	F04B39/04		293
F04B39/042	10	{sealing being provided on the piston}	F04B39/04	F04B39/04		309
F04B39/044	10	{sealing with a rolling diaphragm between piston and cylinder}	F04B39/04	F04B39/04		70
F04B39/045	10	{Labyrinth-sealing between piston and cylinder}	F04B39/04	F04B39/04		75
F04B39/047	10	{Sealing between piston and carter being provided by a bellow}	F04B39/04	F04B39/04		47
F04B39/048	10	{Sealing between piston and carter being provided by a diaphragm}	F04B39/04	F04B39/04		30
F04B39/06	8	Cooling; Heating; Prevention of freezing	F04B39/06	F04B39/06		3737
F04B39/062	9	{Cooling by injecting a liquid in the gas to be compressed}	F04B39/06	F04B39/06		248
F04B39/064	9	{Cooling by a cooling jacket in the pump casing}	F04B39/06	F04B39/06		604
F04B39/066	9	{Cooling by ventilation}	F04B39/06	F04B39/06		1195
F04B39/068	9	{prevention of freezing}	F04B39/06	F04B39/06		65
F04B39/08	8	Actuation of distribution members	F04B39/08	F04B39/08		1059
F04B39/10	8	Adaptations or arrangements of distribution members	F04B39/10	F04B39/10		3278
F04B39/1006	9	{the members being ball valves}	F04B39/10	F04B39/10		517
F04B39/1013	9	{the members being of the poppet valve type}	F04B39/10	F04B39/10		671
F04B39/102	9	{the members being disc valves}	F04B39/10	F04B39/10		909
F04B39/1026	10	{without spring (F04B39/1033 takes precedence)}	F04B39/10	F04B39/10		332
F04B39/1033	10	{annular disc valves}	F04B39/10	F04B39/10		576
F04B39/104	9	{the members being parallel flexible strips}	F04B39/10	F04B39/10		17
F04B39/1046	9	{Combination of in- and outlet valve}	F04B39/10	F04B39/10		214
F04B39/1053	9	{the members being Hoerbigen valves}	F04B39/10	F04B39/10		251
F04B39/106	9	{the members being parallel non-flexible strips}	F04B39/10	F04B39/10		32
F04B39/1066	9	{Valve plates}	F04B39/10	F04B39/10		1008
F04B39/1073	9	{the members being reed valves}	F04B39/10	F04B39/10		1484
F04B39/108	10	{circular reed valves}	F04B39/10	F04B39/10		173
F04B39/1086	10	{flat annular reed valves}	F04B39/10	F04B39/10		167
F04B39/1093	9	{the members being low-resistance valves allowing free streaming}	F04B39/10	F04B39/10		58
F04B39/12	8	Casings; Cylinders; Cylinder heads; Fluid connections	F04B39/12	F04B39/12		2146
F04B39/121	9	{Casings}	F04B39/12	F04B39/12		3784
F04B39/122	9	{Cylinder block}	F04B39/12	F04B39/12		1973
F04B39/123	9	{Fluid connections}	F04B39/12	F04B39/12		2314
F04B39/125	9	{Cylinder heads}	F04B39/12	F04B39/12		1214
F04B39/126	9	{Cylinder liners}	F04B39/12	F04B39/12		256
F04B39/127	9	{Mounting of a cylinder block in a casing}	F04B39/12	F04B39/12		459
F04B39/128	9	{Crankcases}	F04B39/12	F04B39/12		511
F04B39/14	8	Provisions for readily assembling or disassembling	F04B39/14	F04B39/14		3213
F04B39/16	8	Filtration; Moisture separation	F04B39/16	F04B39/16		3422
F04B41/00	7	Pumping installations or systems specially adapted for elastic fluids (free-piston pumps specially adapted for elastic fluids or systems incorporating such pumps F04B31/00; piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for F04B35/00)	F04B41/00	F04B41/00		329
F04B41/02	8	having reservoirs	F04B41/02	F04B41/02		3202
F04B41/04	8	Conversion of internal-combustion engine cylinder units to pumps	F04B41/04	F04B41/04		211
F04B41/06	8	Combinations of two or more pumps	F04B41/06	F04B41/06		1988
F04B43/00	7	Machines, pumps, or pumping installations having flexible working members (pumps or pumping installations specially adapted for elastic fluids F04B45/00)	F04B43/00	F04B43/00		151
F04B43/0009	8	{Special features}	F04B43/00	F04B43/00		296
F04B43/0018	9	{the periphery of the flexible member being not fixed to the pump-casing, but acting as a valve}	F04B43/00	F04B43/00		95
F04B43/0027	9	{without valves}	F04B43/00	F04B43/00		104
F04B43/0036	9	{the flexible member being formed as an O-ring}	F04B43/00	F04B43/00		95
F04B43/0045	9	{with a number of independent working chambers which are actuated successively by one mechanism}	F04B43/00	F04B43/00		176
F04B43/0054	9	{particularities of the flexible members}	F04B43/00	F04B43/00		1182
F04B43/0063	10	{bell-shaped flexible members}	F04B43/00	F04B43/00		290
F04B43/0072	10	{of tubular flexible members}	F04B43/00	F04B43/00		609
F04B43/0081	9	{systems, control, safety measures}	F04B43/00	F04B43/00		559
F04B43/009	10	{leakage control; pump systems with two flexible members; between the actuating element and the pumped fluid}	F04B43/00	F04B43/00		481
F04B43/02	8	having plate-like flexible members, e.g. diaphragms (F04B43/14 takes precedence)	F04B43/02	F04B43/02		1614
F04B43/021	9	{the plate-like flexible member is pressed against a wall by a number of elements, each having an alternating movement in a direction perpendicular to the plane of the plate-like flexible member and each having its own driving mechanism}	F04B43/02	F04B43/02		116
F04B43/023	9	{double acting plate-like flexible member}	F04B43/02	F04B43/02		122
F04B43/025	9	{two or more plate-like pumping members in parallel}	F04B43/02	F04B43/02		214
F04B43/026	10	{each plate-like pumping flexible member working in its own pumping chamber}	F04B43/02	F04B43/02		640
F04B43/028	9	{with in- or outlet valve arranged in the plate-like flexible member (valve arranged in the piston F04B53/12)}	F04B43/02	F04B43/02		247
F04B43/04	9	Pumps having electric drive	F04B43/04	F04B43/04		1624
F04B43/043	10	{Micropumps}	F04B43/04	F04B43/04		774
F04B43/046	11	{with piezoelectric drive}	F04B43/04	F04B43/04		1169
F04B43/06	9	Pumps having fluid drive	F04B43/06	F04B43/06		790
F04B43/067	10	the fluid being actuated directly by a piston	F04B43/067	F04B43/067		937
F04B43/073	10	the actuating fluid being controlled by at least one valve	F04B43/073	F04B43/073		399
F04B43/0733	11	{with fluid-actuated pump inlet or outlet valves; with two or more pumping chambers in series}	F04B43/073	F04B43/073		87
F04B43/0736	11	{with two or more pumping chambers in parallel}	F04B43/073	F04B43/073		550
F04B43/08	8	having tubular flexible members (F04B43/12 takes precedence)	F04B43/08	F04B43/08		825
F04B43/082	9	{the tubular flexible member being pressed against a wall by a number of elements, each having an alternating movement in a direction perpendicular to the axes of the tubular member and each having its own driving mechanism}	F04B43/08	F04B43/08		493
F04B43/084	9	{the tubular member being deformed by stretching or distortion}	F04B43/08	F04B43/08		307
F04B43/086	9	{with two or more tubular flexible members in parallel (F04B43/1136 takes precedence)}	F04B43/08	F04B43/08		254
F04B43/088	9	{with two or more tubular flexible members in series (F04B43/1133 takes precedence)}	F04B43/08	F04B43/08		76
F04B43/09	9	Pumps having electric drive	F04B43/09	F04B43/09		357
F04B43/095	10	{Piezoelectric drive}	F04B43/09	F04B43/09		142
F04B43/10	9	Pumps having fluid drive	F04B43/10	F04B43/10		432
F04B43/107	10	the fluid being actuated directly by a piston	F04B43/107	F04B43/107		379
F04B43/113	10	the actuating fluid being controlled by at least one valve	F04B43/113	F04B43/113		169
F04B43/1133	11	{with fluid-actuated pump inlet or outlet valves; with two or more pumping chambers in series}	F04B43/113	F04B43/113		77
F04B43/1136	11	{with two or more pumping chambers in parallel}	F04B43/113	F04B43/113		126
F04B43/12	8	having peristaltic action	F04B43/12	F04B43/12		1104
F04B43/1207	9	{the actuating element being a swash plate}	F04B43/12	F04B43/12		71
F04B43/1215	9	{having no backing plate (deforming of the tube only by rollers)}	F04B43/12	F04B43/12		97
F04B43/1223	9	{the actuating elements, e.g. rollers, moving in a straight line during squeezing}	F04B43/12	F04B43/12		314
F04B43/123	9	{using an excenter as the squeezing element}	F04B43/12	F04B43/12		161
F04B43/1238	9	{using only one roller as the squeezing element, the roller moving on an arc of a circle during squeezing}	F04B43/12	F04B43/12		185
F04B43/1246	10	{the roller being placed at the outside of the tubular flexible member}	F04B43/12	F04B43/12		40
F04B43/1253	9	{by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing}	F04B43/12	F04B43/12		1210
F04B43/1261	10	{the rollers being placed at the outside of the tubular flexible member}	F04B43/12	F04B43/12		256
F04B43/1269	10	{the rotary axes of the rollers lying in a plane perpendicular to the rotary axis of the driving motor}	F04B43/12	F04B43/12		147
F04B43/1276	10	{Means for pushing the rollers against the tubular flexible member}	F04B43/12	F04B43/12		253
F04B43/1284	10	{Means for pushing the backing-plate against the tubular flexible member}	F04B43/12	F04B43/12		220
F04B43/1292	10	{Pumps specially adapted for several tubular flexible members}	F04B43/12	F04B43/12		276
F04B43/14	9	having plate-like flexible members	F04B43/14	F04B43/14		596
F04B45/00	7	Pumps or pumping installations having flexible working members and specially adapted for elastic fluids	F04B45/00	F04B45/00		114
F04B45/02	8	having bellows	F04B45/02	F04B45/02		398
F04B45/022	9	{with two or more bellows in parallel}	F04B45/02	F04B45/02		109
F04B45/024	9	{with two or more bellows in series}	F04B45/02	F04B45/02		34
F04B45/027	9	having electric drive	F04B45/027	F04B45/027		111
F04B45/033	9	having fluid drive	F04B45/033	F04B45/033		50
F04B45/0333	10	{the fluid being actuated directly by a piston}	F04B45/033	F04B45/033		16
F04B45/0336	10	{the actuating fluid being controlled by one or more valves}	F04B45/033	F04B45/033		29
F04B45/04	8	having plate-like flexible members, e.g. diaphragms (F04B45/10 takes precedence)	F04B45/04	F04B45/04		583
F04B45/041	9	{double acting plate-like flexible pumping member}	F04B45/04	F04B45/04		67
F04B45/043	9	{two or more plate-like pumping flexible members in parallel}	F04B45/04	F04B45/04		369
F04B45/045	9	{with in- or outlet valve arranged in the plate-like pumping flexible members}	F04B45/04	F04B45/04		129
F04B45/047	9	Pumps having electric drive	F04B45/047	F04B45/047		1343
F04B45/053	9	Pumps having fluid drive	F04B45/053	F04B45/053		156
F04B45/0533	10	{the fluid being actuated directly by a piston}	F04B45/053	F04B45/053		178
F04B45/0536	10	{the actuating fluid being controlled by one or more valves}	F04B45/053	F04B45/053		95
F04B45/06	8	having tubular flexible members (F04B45/02, F04B45/08 take precedence)	F04B45/06	F04B45/06		64
F04B45/061	9	{with fluid drive}	F04B45/06	F04B45/06		10
F04B45/062	10	{the fluid being actuated directly by a piston}	F04B45/06	F04B45/06		5
F04B45/064	10	{the actuating fluid being controlled by one or more valves}	F04B45/06	F04B45/06		2
F04B45/065	9	{with electric drive}	F04B45/06	F04B45/06		11
F04B45/067	9	Pumps having electric drive	F04B45/067	F04B45/067		32
F04B45/073	9	Pumps having fluid drive	F04B45/073	F04B45/073		9
F04B45/0733	10	{the fluid being actuated directly by a piston}	F04B45/073	F04B45/073		5
F04B45/0736	10	{the actuating fluid being controlled by one or more valves}	F04B45/073	F04B45/073		7
F04B45/08	8	having peristaltic action	F04B45/08	F04B45/08		99
F04B45/085	9	{the actuating element being a swash plate}	F04B45/08	F04B45/08		
F04B45/10	9	having plate-like flexible members	F04B45/10	F04B45/10		87
F04B47/00	7	Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps (by using positive or negative pressurised fluid medium acting directly on the liquid to be pumped F04F1/00)	F04B47/00	F04B47/00		2023
F04B47/005	8	{Sand trap arrangements}	F04B47/00	F04B47/00		153
F04B47/02	8	the driving mechanisms being situated at ground level (F04B47/12 takes precedence)	F04B47/02	F04B47/02		2011
F04B47/022	9	{driving of the walking beam}	F04B47/02	F04B47/02		224
F04B47/024	9	{actuated by muscle power}	F04B47/02	F04B47/02		186
F04B47/026	9	{Pull rods, full rod component parts}	F04B47/02	F04B47/02		395
F04B47/028	9	{details of the walking beam}	F04B47/02	F04B47/02		116
F04B47/04	9	the driving means incorporating fluid means	F04B47/04	F04B47/04		1116
F04B47/06	8	having motor-pump units situated at great depth	F04B47/06	F04B47/06		704
F04B47/08	9	the motors being actuated by fluid	F04B47/08	F04B47/08		570
F04B47/10	10	the units or parts thereof being liftable to ground level by fluid pressure	F04B47/10	F04B47/10		44
F04B47/12	8	having free plunger lifting the fluid to the surface	F04B47/12	F04B47/12		352
F04B47/14	8	Counterbalancing	F04B47/14	F04B47/14		309
F04B47/145	9	{with fluid means}	F04B47/14	F04B47/14		64
F04B49/00	7	Control {, e.g. of pump delivery, or pump pressure} of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00&#160;-&#160;F04B47/00<br><br><u>NOTE</u><br><br>The classification symbols in group F04B49/00 and subgroups can be followed by additional symbols preceded by the sign "+". The symbols are applied in subgroups F04B49/06, F04B49/08, F04B49/16 and F04B49/225. The symbols have the meanings as listed below: <br>+C  specially adapted for pumps for elastic fluids, <br>    e.g. compressors <br>+P  specially adapted for pumps for liquids<br>	F04B49/00	F04B49/00		1515
F04B49/002	8	{Hydraulic systems to change the pump delivery}	F04B49/00	F04B49/00		1060
F04B49/005	8	{changing the phase relationship of two working pistons in one working chamber or the phase-relationship of a piston and a driven distribution member}	F04B49/00	F04B49/00		148
F04B49/007	8	{Installations or systems with two or more pumps or pump cylinders, wherein the flow-path through the stages can be changed, e.g. from series to parallel (centrifugal pumps F04D15/0072)}	F04B49/00	F04B49/00		823
F04B49/02	8	Stopping, starting, unloading or idling control	F04B49/02	F04B49/02		2439
F04B49/022	9	{by means of pressure}	F04B49/02	F04B49/02		1412
F04B49/025	9	by means of floats	F04B49/025	F04B49/025		418
F04B49/03	9	by means of valves	F04B49/03	F04B49/03		836
F04B49/035	10	Bypassing	F04B49/035	F04B49/035		350
F04B49/04	8	Regulating by means of floats (F04B49/025 takes precedence)	F04B49/04	F04B49/04		296
F04B49/06	8	Control using electricity (regulating by means of floats actuating electric switches F04B49/04)	F04B49/06	F04B49/06		7524
F04B49/065	9	{and making use of computers}	F04B49/06	F04B49/06		5483
F04B49/08	8	Regulating by delivery pressure	F04B49/08	F04B49/08		2570
F04B49/10	8	Other safety measures	F04B49/10	F04B49/10		2320
F04B49/103	9	{Responsive to speed}	F04B49/10	F04B49/10		339
F04B49/106	9	{Responsive to pumped volume}	F04B49/10	F04B49/10		221
F04B49/12	8	by varying the length of stroke of the working members	F04B49/12	F04B49/12		1194
F04B49/121	9	{Lost-motion device in the driving mechanism}	F04B49/12	F04B49/12		231
F04B49/123	9	{by changing the eccentricity of one element relative to another element}	F04B49/12	F04B49/12		76
F04B49/125	10	{by changing the eccentricity of the actuation means, e.g. cams or cranks, relative to the driving means, e.g. driving shafts (F04B49/128 takes precedence)}	F04B49/12	F04B49/12		236
F04B49/126	11	{with a double eccenter mechanism}	F04B49/12	F04B49/12		152
F04B49/128	10	{by changing the eccentricity of the cylinders, e.g. by moving a cylinder block}	F04B49/12	F04B49/12		419
F04B49/14	9	Adjusting abutments located in the path of reciprocation	F04B49/14	F04B49/14		43
F04B49/16	8	by adjusting the capacity of dead spaces of working chambers	F04B49/16	F04B49/16		682
F04B49/18	8	by changing the effective cross-section of the working surface of the piston	F04B49/18	F04B49/18		108
F04B49/20	8	by changing the driving speed	F04B49/20	F04B49/20		2250
F04B49/22	8	by means of valves (F04B49/03 takes precedence)	F04B49/22	F04B49/22		2296
F04B49/225	9	{with throttling valves or valves varying the pump inlet opening or the outlet opening}	F04B49/22	F04B49/22		1226
F04B49/24	9	Bypassing	F04B49/24	F04B49/24		1652
F04B49/243	10	{by keeping open the inlet valve}	F04B49/24	F04B49/24		797
F04B49/246	10	{by keeping open the outlet valve}	F04B49/24	F04B49/24		89
F04B51/00	7	Testing machines, pumps, or pumping installations	F04B51/00	F04B51/00		5854
F04B53/00	7	Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00&#160;-&#160;F04B23/00 or F04B39/00&#160;-&#160;F04B47/00	F04B53/00	F04B53/00		5560
F04B53/001	8	{Noise damping}	F04B53/00	F04B53/00		798
F04B53/002	9	{by encapsulation}	F04B53/00	F04B53/00		146
F04B53/003	9	{by damping supports}	F04B53/00	F04B53/00		502
F04B53/004	9	{by mechanical resonators}	F04B53/00	F04B53/00		47
F04B53/005	8	{Adaptations or arrangements of valves used as foot valves, of suction strainers, or of mud-boxes}	F04B53/00	F04B53/00		20
F04B53/006	8	{Crankshafts}	F04B53/00	F04B53/00		411
F04B53/007	8	{Cylinder heads}	F04B53/00	F04B53/00		307
F04B53/008	8	{Spacing or clearance between cylinder and piston}	F04B53/00	F04B53/00		207
F04B53/02	8	Packing the free space between cylinders and pistons	F04B53/02	F04B53/02		712
F04B53/04	8	Draining	F04B53/04	F04B53/04		490
F04B53/06	8	Venting	F04B53/06	F04B53/06		736
F04B53/08	8	Cooling; Heating; Preventing freezing	F04B53/08	F04B53/08		1790
F04B53/10	8	Valves; Arrangement of valves	F04B53/10	F04B53/10		4343
F04B53/1002	9	{Ball valves}	F04B53/10	F04B53/10		1342
F04B53/1005	10	{being formed by two closure members working in series}	F04B53/10	F04B53/10		88
F04B53/1007	10	{having means for guiding the closure member}	F04B53/10	F04B53/10		121
F04B53/101	10	{having means for limiting the opening height}	F04B53/10	F04B53/10		132
F04B53/1012	11	{and means for controlling the opening height}	F04B53/10	F04B53/10		25
F04B53/1015	10	{Combinations of ball valves working in parallel}	F04B53/10	F04B53/10		44
F04B53/1017	10	{Semi-spherical ball valves}	F04B53/10	F04B53/10		57
F04B53/102	9	{Disc valves}	F04B53/10	F04B53/10		706
F04B53/1022	10	{having means for guiding the closure member axially}	F04B53/10	F04B53/10		302
F04B53/1025	11	{the guiding means being provided within the valve opening}	F04B53/10	F04B53/10		239
F04B53/1027	11	{the guiding means being provided at both sides of the disc}	F04B53/10	F04B53/10		107
F04B53/103	10	{Flat-annular type disc valves}	F04B53/10	F04B53/10		238
F04B53/1032	10	{Spring-actuated disc valves (F04B53/1022, F04B53/103 take precedence)}	F04B53/10	F04B53/10		323
F04B53/1035	10	{with means for limiting the opening height}	F04B53/10	F04B53/10		94
F04B53/1037	9	{Flap valves}	F04B53/10	F04B53/10		652
F04B53/104	10	{the closure member being a rigid element oscillating around a fixed point}	F04B53/10	F04B53/10		86
F04B53/1042	11	{by means of a flexible connection}	F04B53/10	F04B53/10		54
F04B53/1045	11	{the valve being formed by two elements}	F04B53/10	F04B53/10		12
F04B53/1047	10	{the valve being formed by one or more flexible elements}	F04B53/10	F04B53/10		80
F04B53/105	11	{one flexible element oscillating around a fixed point}	F04B53/10	F04B53/10		93
F04B53/1052	11	{two flexible elements oscillating around a fixed point}	F04B53/10	F04B53/10		16
F04B53/1055	11	{more than two flexible elements oscillating around a fixed point}	F04B53/10	F04B53/10		19
F04B53/1057	11	{the valve being a tube, e.g. normally closed at one end}	F04B53/10	F04B53/10		57
F04B53/106	11	{the valve being a membrane}	F04B53/10	F04B53/10		77
F04B53/1062	12	{fixed at two or more points at its periphery}	F04B53/10	F04B53/10		45
F04B53/1065	12	{fixed at its centre}	F04B53/10	F04B53/10		131
F04B53/1067	12	{fixed at its whole periphery and with an opening at its centre}	F04B53/10	F04B53/10		44
F04B53/107	13	{the opening normally being closed by a fixed element}	F04B53/10	F04B53/10		21
F04B53/1072	9	{the valve being an elastic body, the length thereof changing in the opening direction}	F04B53/10	F04B53/10		68
F04B53/1075	9	{the valve being a flexible annular ring}	F04B53/10	F04B53/10		124
F04B53/1077	9	{Flow resistance valves, e.g. without moving parts}	F04B53/10	F04B53/10		115
F04B53/108	9	{Valves characterised by the material}	F04B53/10	F04B53/10		191
F04B53/1082	10	{magnetic}	F04B53/10	F04B53/10		206
F04B53/1085	9	{having means for limiting the opening height (F04B53/101 and F04B53/1035 take precedence)}	F04B53/10	F04B53/10		71
F04B53/1087	9	{Valve seats}	F04B53/10	F04B53/10		549
F04B53/109	9	{inlet and outlet valve forming one unit}	F04B53/10	F04B53/10		378
F04B53/1092	10	{and one single element forming both the inlet and outlet closure member}	F04B53/10	F04B53/10		145
F04B53/1095	9	{Valves linked to another valve of another pumping chamber}	F04B53/10	F04B53/10		34
F04B53/1097	9	{with means for lifting the closure member for pump cleaning purposes}	F04B53/10	F04B53/10		47
F04B53/12	9	arranged in or on pistons	F04B53/12	F04B53/12		481
F04B53/121	10	{the valve being an annular ring surrounding the piston, e.g. an O-ring}	F04B53/12	F04B53/12		119
F04B53/122	10	{the piston being free-floating, e.g. the valve being formed between the actuating rod and the piston}	F04B53/12	F04B53/12		252
F04B53/123	10	{Flexible valves}	F04B53/12	F04B53/12		186
F04B53/124	10	{Oscillating valves}	F04B53/12	F04B53/12		46
F04B53/125	10	{Reciprocating valves}	F04B53/12	F04B53/12		168
F04B53/126	11	{Ball valves}	F04B53/12	F04B53/12		801
F04B53/127	11	{Disc valves}	F04B53/12	F04B53/12		444
F04B53/128	12	{Annular disc valves}	F04B53/12	F04B53/12		143
F04B53/129	11	{Poppet valves}	F04B53/12	F04B53/12		479
F04B53/14	8	Pistons, piston-rods or piston-rod connections	F04B53/14	F04B53/14		4047
F04B53/141	9	{Intermediate liquid piston between the driving piston and the pumped liquid (F04B43/06 and F04B43/10 take precedence)}	F04B53/14	F04B53/14		177
F04B53/142	9	{Intermediate liquid-piston between a driving piston and a driven piston (F04B9/10, F04B43/06, F04B43/10 and F04B53/141 take precedence)}	F04B53/14	F04B53/14		105
F04B53/143	9	{Sealing provided on the piston}	F04B53/14	F04B53/14		1442
F04B53/144	9	{Adaptation of piston-rods}	F04B53/14	F04B53/14		1031
F04B53/145	10	{Rod shock absorber}	F04B53/14	F04B53/14		76
F04B53/146	10	{Piston-rod guiding arrangements}	F04B53/14	F04B53/14		203
F04B53/147	10	{Mounting or detaching of piston rod}	F04B53/14	F04B53/14		359
F04B53/148	9	{the piston being provided with channels which are coacting with the cylinder and are used as a distribution member for another piston-cylinder unit}	F04B53/14	F04B53/14		105
F04B53/16	8	Casings; Cylinders; Cylinder liners or heads; Fluid connections	F04B53/16	F04B53/16		6219
F04B53/162	9	{Adaptations of cylinders}	F04B53/16	F04B53/16		1485
F04B53/164	10	{Stoffing boxes}	F04B53/16	F04B53/16		1446
F04B53/166	10	{Cylinder liners}	F04B53/16	F04B53/16		418
F04B53/168	11	{Mounting of cylinder liners in cylinders}	F04B53/16	F04B53/16		201
F04B53/18	8	Lubricating	F04B53/18	F04B53/18		1305
F04B53/20	8	Filtering	F04B53/20	F04B53/20		1521
F04B53/22	8	Arrangements for enabling ready assembly or disassembly	F04B53/22	F04B53/22		2805
F04B2201/00	7	Pump parameters	CPCONLY	F04B2201/00		13
F04B2201/02	8	Piston parameters	CPCONLY	F04B2201/02		29
F04B2201/0201	9	Position of the piston	CPCONLY	F04B2201/0201		486
F04B2201/02011	10	Angular position of a piston rotating around its own axis	CPCONLY	F04B2201/02011		7
F04B2201/0202	9	Linear speed of the piston	CPCONLY	F04B2201/0202		115
F04B2201/0203	9	Acceleration of the piston	CPCONLY	F04B2201/0203		25
F04B2201/0204	9	Power on the piston	CPCONLY	F04B2201/0204		14
F04B2201/0205	9	Piston ring wear	CPCONLY	F04B2201/0205		15
F04B2201/0206	9	Length of piston stroke	CPCONLY	F04B2201/0206		257
F04B2201/0207	9	Number of pumping strokes in unit time	CPCONLY	F04B2201/0207		43
F04B2201/02071	10	Total number of pumping strokes	CPCONLY	F04B2201/02071		23
F04B2201/0208	9	Leakage across the piston	CPCONLY	F04B2201/0208		48
F04B2201/0209	9	Duration of piston stroke	CPCONLY	F04B2201/0209		38
F04B2201/021	9	Rotational speed of a piston rotating around its own axis	CPCONLY	F04B2201/021		8
F04B2201/04	8	Carter parameters	CPCONLY	F04B2201/04		5
F04B2201/0401	9	Carter pressure	CPCONLY	F04B2201/0401		21
F04B2201/0402	9	Lubricating oil temperature	CPCONLY	F04B2201/0402		45
F04B2201/0403	9	Carter housing temperature	CPCONLY	F04B2201/0403		42
F04B2201/0404	9	Lubricating oil condition	CPCONLY	F04B2201/0404		21
F04B2201/0405	9	Leakage	CPCONLY	F04B2201/0405		8
F04B2201/0406	9	Pressure change across an oil filter	CPCONLY	F04B2201/0406		1
F04B2201/06	8	Valve parameters	CPCONLY	F04B2201/06		55
F04B2201/0601	9	Opening times	CPCONLY	F04B2201/0601		47
F04B2201/06011	10	of the inlet valve only	CPCONLY	F04B2201/06011		13
F04B2201/06012	10	of the outlet valve only	CPCONLY	F04B2201/06012		9
F04B2201/0602	9	Valve acceleration	CPCONLY	F04B2201/0602		2
F04B2201/0603	9	Valve wear	CPCONLY	F04B2201/0603		25
F04B2201/0604	9	Valve noise	CPCONLY	F04B2201/0604		22
F04B2201/0605	9	Leakage over a valve	CPCONLY	F04B2201/0605		20
F04B2201/0606	9	Opening width or height	CPCONLY	F04B2201/0606		5
F04B2201/06061	10	of the inlet valve	CPCONLY	F04B2201/06061		3
F04B2201/06062	10	of the outlet valve	CPCONLY	F04B2201/06062		9
F04B2201/08	8	Cylinder or housing parameters	CPCONLY	F04B2201/08		22
F04B2201/0801	9	Temperature	CPCONLY	F04B2201/0801		154
F04B2201/0802	9	Vibration	CPCONLY	F04B2201/0802		87
F04B2201/0803	9	Leakage	CPCONLY	F04B2201/0803		57
F04B2201/0804	9	Noise	CPCONLY	F04B2201/0804		52
F04B2201/0805	9	Rotational speed of a rotating cylinder block	CPCONLY	F04B2201/0805		21
F04B2201/0806	9	Resonant frequency	CPCONLY	F04B2201/0806		29
F04B2201/0807	9	Number of working cylinders	CPCONLY	F04B2201/0807		19
F04B2201/0808	9	Size of the dead volume	CPCONLY	F04B2201/0808		13
F04B2201/12	8	Parameters of driving or driven means	CPCONLY	F04B2201/12		44
F04B2201/1201	9	Rotational speed of the axis	CPCONLY	F04B2201/1201		231
F04B2201/1202	9	Torque on the axis	CPCONLY	F04B2201/1202		125
F04B2201/1203	9	Power on the axis	CPCONLY	F04B2201/1203		52
F04B2201/1204	9	Position of a rotating inclined plate	CPCONLY	F04B2201/1204		55
F04B2201/12041	10	Angular position	CPCONLY	F04B2201/12041		57
F04B2201/1205	9	Position of a non-rotating inclined plate	CPCONLY	F04B2201/1205		26
F04B2201/12051	10	Angular position	CPCONLY	F04B2201/12051		62
F04B2201/1206	9	Rotational speed of a rotating inclined plate	CPCONLY	F04B2201/1206		30
F04B2201/1207	9	Wear of the bearings	CPCONLY	F04B2201/1207		19
F04B2201/1208	9	Angular position of the shaft	CPCONLY	F04B2201/1208		111
F04B2201/1209	9	Radial force on the bearings	CPCONLY	F04B2201/1209		9
F04B2201/121	9	Load on the sucker rod	CPCONLY	F04B2201/121		50
F04B2201/1211	9	Position of the walking beam	CPCONLY	F04B2201/1211		19
F04B2201/1212	9	Oil pressure in the bearings	CPCONLY	F04B2201/1212		5
F04B2201/1213	9	Eccentricity of an outer annular cam	CPCONLY	F04B2201/1213		19
F04B2201/124	9	Coupling parameters	CPCONLY	F04B2201/124		22
F04B2201/1241	10	Engagement	CPCONLY	F04B2201/1241		13
F04B2201/127	9	Braking parameters	CPCONLY	F04B2201/127		6
F04B2203/00	7	Motor parameters	CPCONLY	F04B2203/00		11
F04B2203/02	8	of rotating electric motors	CPCONLY	F04B2203/02		41
F04B2203/0201	9	Current	CPCONLY	F04B2203/0201		411
F04B2203/0202	9	Voltage	CPCONLY	F04B2203/0202		237
F04B2203/0203	9	Magnetic flux	CPCONLY	F04B2203/0203		14
F04B2203/0204	9	Frequency of the electric current	CPCONLY	F04B2203/0204		157
F04B2203/0205	9	Temperature	CPCONLY	F04B2203/0205		107
F04B2203/0206	9	Vibration	CPCONLY	F04B2203/0206		22
F04B2203/0207	9	Torque	CPCONLY	F04B2203/0207		154
F04B2203/0208	9	Power	CPCONLY	F04B2203/0208		162
F04B2203/0209	9	Rotational speed	CPCONLY	F04B2203/0209		630
F04B2203/021	9	Lubricating-oil temperature	CPCONLY	F04B2203/021		10
F04B2203/0211	9	Noise	CPCONLY	F04B2203/0211		21
F04B2203/0212	9	Amplitude of the electric current	CPCONLY	F04B2203/0212		4
F04B2203/0213	9	Pulses per unit of time (pulse motor)	CPCONLY	F04B2203/0213		27
F04B2203/0214	9	Number of working motor-pump units	CPCONLY	F04B2203/0214		27
F04B2203/04	8	of linear electric motors	CPCONLY	F04B2203/04		85
F04B2203/0401	9	Current	CPCONLY	F04B2203/0401		392
F04B2203/0402	9	Voltage	CPCONLY	F04B2203/0402		369
F04B2203/0403	9	Magnetic flux	CPCONLY	F04B2203/0403		22
F04B2203/0404	9	Frequency of the electric current	CPCONLY	F04B2203/0404		97
F04B2203/0405	9	Temperature	CPCONLY	F04B2203/0405		21
F04B2203/0406	9	Vibration	CPCONLY	F04B2203/0406		17
F04B2203/0407	9	Force	CPCONLY	F04B2203/0407		4
F04B2203/0408	9	Power	CPCONLY	F04B2203/0408		15
F04B2203/0409	9	Linear speed	CPCONLY	F04B2203/0409		38
F04B2203/041	9	Lubricating-oil temperature	CPCONLY	F04B2203/041		
F04B2203/0411	9	Noise	CPCONLY	F04B2203/0411		4
F04B2203/06	8	of internal combustion engines	CPCONLY	F04B2203/06		14
F04B2203/0601	9	Temperature	CPCONLY	F04B2203/0601		6
F04B2203/0602	9	Vibration	CPCONLY	F04B2203/0602		4
F04B2203/0603	9	Torque	CPCONLY	F04B2203/0603		33
F04B2203/0604	9	Power	CPCONLY	F04B2203/0604		23
F04B2203/0605	9	Rotational speed	CPCONLY	F04B2203/0605		78
F04B2203/0606	9	Lubricating-oil temperature	CPCONLY	F04B2203/0606		5
F04B2203/0607	9	Fuel consumption	CPCONLY	F04B2203/0607		7
F04B2203/06071	10	position of the carburettor valve	CPCONLY	F04B2203/06071		
F04B2203/09	8	of linear hydraulic motors	CPCONLY	F04B2203/09		18
F04B2203/0901	9	Opening time of the valves	CPCONLY	F04B2203/0901		3
F04B2203/0902	9	Liquid pressure in a working chamber	CPCONLY	F04B2203/0902		16
F04B2203/0903	9	Position of the driving piston	CPCONLY	F04B2203/0903		42
F04B2203/091	10	Opening time of the valves	CPCONLY	F04B2203/091		5
F04B2203/10	8	of linear elastic fluid motors	CPCONLY	F04B2203/10		17
F04B2203/1001	9	Opening time of the valves	CPCONLY	F04B2203/1001		3
F04B2203/11	8	of a gas turbine	CPCONLY	F04B2203/11		4
F04B2203/1101	9	Rotational speed of the turbine	CPCONLY	F04B2203/1101		4
F04B2203/1102	9	Flow rate of the driving fluid	CPCONLY	F04B2203/1102		1
F04B2203/1103	9	Rotation sense of the turbine	CPCONLY	F04B2203/1103		2
F04B2203/12	8	of rotating hydraulic motors	CPCONLY	F04B2203/12		4
F04B2203/1201	9	Rotational speed	CPCONLY	F04B2203/1201		27
F04B2203/1202	9	Pressure at the motor inlet	CPCONLY	F04B2203/1202		5
F04B2205/00	7	Fluid parameters	CPCONLY	F04B2205/00		40
F04B2205/01	8	Pressure before the pump inlet	CPCONLY	F04B2205/01		240
F04B2205/02	8	Pressure in the inlet chamber	CPCONLY	F04B2205/02		115
F04B2205/03	8	Pressure in the compression chamber	CPCONLY	F04B2205/03		205
F04B2205/04	8	Pressure in the outlet chamber	CPCONLY	F04B2205/04		199
F04B2205/05	8	Pressure after the pump outlet	CPCONLY	F04B2205/05		913
F04B2205/06	8	Pressure in a (hydraulic) circuit	CPCONLY	F04B2205/06		143
F04B2205/061	9	after a throttle	CPCONLY	F04B2205/061		27
F04B2205/062	9	before a throttle	CPCONLY	F04B2205/062		18
F04B2205/063	9	in a reservoir linked to the pump outlet	CPCONLY	F04B2205/063		105
F04B2205/064	9	in a reservoir linked to the pump inlet	CPCONLY	F04B2205/064		13
F04B2205/065	9	between two stages in a multi-stage pump	CPCONLY	F04B2205/065		8
F04B2205/07	8	Pressure difference over the pump	CPCONLY	F04B2205/07		89
F04B2205/08	8	Pressure difference over a throttle	CPCONLY	F04B2205/08		79
F04B2205/0801	9	the throttle being a filter	CPCONLY	F04B2205/0801		8
F04B2205/09	8	Flow through the pump	CPCONLY	F04B2205/09		759
F04B2205/10	8	Inlet temperature	CPCONLY	F04B2205/10		174
F04B2205/11	8	Outlet temperature	CPCONLY	F04B2205/11		250
F04B2205/111	9	after a throttle	CPCONLY	F04B2205/111		7
F04B2205/112	9	between two stages in a multi-stage pump	CPCONLY	F04B2205/112		12
F04B2205/12	8	Pressure pulsations before the pump	CPCONLY	F04B2205/12		10
F04B2205/13	8	Pressure pulsations after the pump	CPCONLY	F04B2205/13		73
F04B2205/14	8	Viscosity	CPCONLY	F04B2205/14		36
F04B2205/15	8	By-passing over the pump	CPCONLY	F04B2205/15		52
F04B2205/151	9	Opening width of a bypass valve	CPCONLY	F04B2205/151		15
F04B2205/16	8	Opening or closing of a valve in a circuit	CPCONLY	F04B2205/16		91
F04B2205/17	8	Opening width of a throttling device	CPCONLY	F04B2205/17		3
F04B2205/171	9	before the pump inlet	CPCONLY	F04B2205/171		27
F04B2205/172	9	after the pump outlet	CPCONLY	F04B2205/172		33
F04B2205/173	9	in a circuit	CPCONLY	F04B2205/173		13
F04B2205/18	8	Pressure in a control cylinder/piston unit	CPCONLY	F04B2205/18		34
F04B2205/50	8	Presence of foreign matter in the fluid	CPCONLY	F04B2205/50		33
F04B2205/501	9	of solid particles	CPCONLY	F04B2205/501		20
F04B2205/503	9	of gas in a liquid flow, e.g. gas bubbles	CPCONLY	F04B2205/503		50
F04B2207/00	7	External parameters	CPCONLY	F04B2207/00		31
F04B2207/01	8	Load in general	CPCONLY	F04B2207/01		182
F04B2207/02	8	External pressure	CPCONLY	F04B2207/02		69
F04B2207/03	8	External temperature	CPCONLY	F04B2207/03		176
F04B2207/04	8	Settings	CPCONLY	F04B2207/04		26
F04B2207/041	9	of flow	CPCONLY	F04B2207/041		78
F04B2207/0411	10	maximum	CPCONLY	F04B2207/0411		10
F04B2207/0412	10	minimum	CPCONLY	F04B2207/0412		9
F04B2207/0413	10	medium	CPCONLY	F04B2207/0413		3
F04B2207/042	9	of pressure	CPCONLY	F04B2207/042		93
F04B2207/0421	10	maximum	CPCONLY	F04B2207/0421		15
F04B2207/0422	10	minimum	CPCONLY	F04B2207/0422		16
F04B2207/0423	10	medium	CPCONLY	F04B2207/0423		2
F04B2207/043	9	of time	CPCONLY	F04B2207/043		133
F04B2207/044	9	of the rotational speed of the driving motor	CPCONLY	F04B2207/044		30
F04B2207/0441	10	maximum	CPCONLY	F04B2207/0441		6
F04B2207/0442	10	minimum	CPCONLY	F04B2207/0442		4
F04B2207/045	9	of the resonant frequency of the unit motor-pump	CPCONLY	F04B2207/045		14
F04B2207/046	9	of length of piston stroke	CPCONLY	F04B2207/046		162
F04B2207/047	9	of the nominal power of the driving motor	CPCONLY	F04B2207/047		15
F04B2207/048	9	of a reference voltage of the driving motor	CPCONLY	F04B2207/048		16
F04B2207/70	8	Warnings	CPCONLY	F04B2207/70		178
F04B2207/701	9	Sound	CPCONLY	F04B2207/701		78
F04B2207/702	9	Light	CPCONLY	F04B2207/702		63
F04B2207/703	9	Stopping	CPCONLY	F04B2207/703		40
F04B2207/704	9	Idling	CPCONLY	F04B2207/704		2
