F15B1/00	7	Installations or systems with accumulators; Supply reservoir or sump assemblies	F15B1/00	F15B1/00		106
F15B1/02	8	Installations or systems with accumulators	F15B1/02	F15B1/02		2196
F15B1/021	9	{used for damping}	F15B1/02	F15B1/02		563
F15B1/022	9	{used as an emergency power source, e.g. in case of pump failure}	F15B1/02	F15B1/02		235
F15B1/024	9	{used as a supplementary power source, e.g. to store energy in idle periods to balance pump load}	F15B1/02	F15B1/02		1169
F15B1/025	9	{used for thermal compensation, e.g. to collect expanded fluid and to return it to the system as the system fluid cools down}	F15B1/02	F15B1/02		68
F15B1/027	9	having accumulator charging devices	F15B1/027	F15B1/027		896
F15B1/0275	10	{with two or more pilot valves, e.g. for independent setting of the cut-in and cut-out pressures}	F15B1/027	F15B1/027		93
F15B1/033	10	with electrical control means	F15B1/033	F15B1/033		445
F15B1/04	9	Accumulators	F15B1/04	F15B1/04		1052
F15B1/045	10	{Dead weight accumulators}	F15B1/04	F15B1/04		39
F15B1/08	10	using a gas cushion; Gas charging devices; Indicators or floats therefor	F15B1/08	F15B1/08		564
F15B1/083	11	{the accumulator having a fusible plug}	F15B1/08	F15B1/08		24
F15B1/086	11	{the gas cushion being entirely enclosed by the separating means, e.g. foam or gas-filled balls}	F15B1/08	F15B1/08		46
F15B1/10	11	with flexible separating means	F15B1/10	F15B1/10		352
F15B1/103	12	{the separating means being bellows}	F15B1/10	F15B1/10		464
F15B1/106	12	{characterised by the way housing components are assembled}	F15B1/10	F15B1/10		162
F15B1/12	12	attached at their periphery (flexible separating means in the form of a tube F15B1/16)	F15B1/12	F15B1/12		102
F15B1/125	13	{characterised by the attachment means (F15B1/14 takes precedence)}	F15B1/12	F15B1/12		94
F15B1/14	13	by means of a rigid annular supporting member	F15B1/14	F15B1/14		180
F15B1/16	12	in the form of a tube	F15B1/16	F15B1/16		82
F15B1/165	13	{in the form of a bladder}	F15B1/16	F15B1/16		187
F15B1/18	12	Anti-extrusion means	F15B1/18	F15B1/18		135
F15B1/20	13	fixed to the separating means	F15B1/20	F15B1/20		67
F15B1/22	11	Liquid port constructions	F15B1/22	F15B1/22		239
F15B1/24	11	with rigid separating means, e.g. pistons	F15B1/24	F15B1/24		874
F15B1/26	8	Supply reservoir or sump assemblies	F15B1/26	F15B1/26		2148
F15B1/265	9	{with pressurised main reservoir}	F15B1/26	F15B1/26		348
F15B3/00	7	Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids {(fluid-driven pumps F04B9/08)}	F15B3/00	F15B3/00		1793
F15B5/00	7	Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities (F15B9/00 takes precedence)	F15B5/00	F15B5/00		351
F15B5/003	8	{characterised by variation of the pressure in a nozzle or the like, e.g. nozzle-flapper system}	F15B5/00	F15B5/00		391
F15B5/006	8	{with electrical means, e.g. electropneumatic transducer (F15B5/003 takes precedence)}	F15B5/00	F15B5/00		164
F15B7/00	7	Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors	F15B7/00	F15B7/00		322
F15B7/001	8	{With multiple inputs, e.g. for dual control}	F15B7/00	F15B7/00		164
F15B7/003	8	{with multiple outputs}	F15B7/00	F15B7/00		284
F15B7/005	8	{With rotary or crank input}	F15B7/00	F15B7/00		528
F15B7/006	9	{Rotary pump input}	F15B7/00	F15B7/00		590
F15B7/008	8	{with rotary output}	F15B7/00	F15B7/00		342
F15B7/02	8	Systems with continuously-operating input and output apparatus	F15B7/02	F15B7/02		152
F15B7/04	8	In which the ratio between pump stroke and motor stroke varies with the resistance against the motor	F15B7/04	F15B7/04		74
F15B7/06	8	Details (F15B15/00 takes precedence)	F15B7/06	F15B7/06		197
F15B7/08	9	Input units; Master units	F15B7/08	F15B7/08		734
F15B7/10	9	Compensation of the liquid content in a system (F15B7/08 takes precedence)	F15B7/10	F15B7/10		367
F15B9/00	7	Servomotors with follow-up action, {e.g. obtained by feed-back control,} i.e. in which the position of the actuated member conforms with that of the controlling member	F15B9/00	F15B9/00		180
F15B9/02	8	with servomotors of the reciprocatable or oscillatable type	F15B9/02	F15B9/02		87
F15B9/03	9	with electrical control means {(F15B9/07, F15B9/09, F15B9/17 take precedence)}	F15B9/03	F15B9/03		226
F15B9/04	9	controlled by varying the output of a pump with variable capacity	F15B9/04	F15B9/04		95
F15B9/06	9	controlled by means using a fluid jet	F15B9/06	F15B9/06		90
F15B9/07	10	with electrical control means	F15B9/07	F15B9/07		47
F15B9/08	9	controlled by valves affecting the fluid feed or the fluid outlet of the servomotor (F15B9/06 takes precedence)	F15B9/08	F15B9/08		610
F15B9/09	10	with electrical control means	F15B9/09	F15B9/09		432
F15B9/10	10	in which the controlling element and the servomotor each controls a separate member, these members influencing different fluid passages or the same passage	F15B9/10	F15B9/10		566
F15B9/12	10	in which both the controlling element and the servomotor control the same member influencing a fluid passage and are connected to that member by means of a differential gearing	F15B9/12	F15B9/12		500
F15B9/14	8	with rotary servomotors	F15B9/14	F15B9/14		223
F15B9/16	8	Systems essentially having two or more interacting servomotors {, e.g. multi-stage (F15B18/00, F15B20/00 take precedence)}	F15B9/16	F15B9/16		138
F15B9/17	9	with electrical control means	F15B9/17	F15B9/17		144
F15B11/00	7	Servomotor systems without provision for follow-up action; {Circuits therefor}(F15B3/00 takes precedence)	F15B11/00	F15B11/00		857
F15B11/003	8	{Systems with load-holding valves}	F15B11/00	F15B11/00		567
F15B11/006	8	{Hydraulic "Wheatstone bridge" circuits, i.e. with four nodes, P-A-T-B, and on-off or proportional valves in each link}	F15B11/00	F15B11/00		381
F15B11/02	8	Systems essentially incorporating special features for controlling the speed or actuating force of an output member	F15B11/02	F15B11/02		1254
F15B11/022	9	{in which a rapid approach stroke is followed by a slower, high-force working stroke (F15B11/0325 takes precedence)}	F15B11/02	F15B11/02		287
F15B11/024	9	by means of differential connection of the servomotor lines, e.g. regenerative circuits	F15B11/024	F15B11/024		766
F15B2011/0243	10	{the regenerative circuit being activated or deactivated automatically}	F15B11/024	F15B11/024		145
F15B2011/0246	10	{with variable regeneration flow}	F15B11/024	F15B11/024		55
F15B11/028	9	for controlling the actuating force (F15B11/024 takes precedence)	F15B11/028	F15B11/028		955
F15B11/032	10	by means of fluid-pressure converters	F15B11/032	F15B11/032		247
F15B11/0325	11	{the fluid-pressure converter increasing the working force after an approach stroke}	F15B11/032	F15B11/032		326
F15B11/036	10	by means of servomotors having a plurality of working chambers	F15B11/036	F15B11/036		300
F15B11/0365	11	{Tandem constructions}	F15B11/036	F15B11/036		311
F15B11/04	9	for controlling the speed (F15B11/024 takes precedence)	F15B11/04	F15B11/04		656
F15B11/0406	10	{during starting or stopping (F15B11/048 takes precedence)}	F15B11/04	F15B11/04		89
F15B11/0413	10	{in one direction only, with no control in the reverse direction, e.g. check valve in parallel with a throttle valve}	F15B11/04	F15B11/04		137
F15B11/042	10	by means in the feed line {, i.e. "meter in"}(F15B11/046, F15B11/05 take precedence)	F15B11/042	F15B11/042		563
F15B11/0423	11	{by controlling pump output or bypass, other than to maintain constant speed}	F15B11/042	F15B11/042		318
F15B11/0426	11	{by controlling the number of pumps or parallel valves switched on}	F15B11/042	F15B11/042		258
F15B11/044	10	by means in the return line {, i.e. "meter out"}(F15B11/046, F15B11/05 take precedence)	F15B11/044	F15B11/044		493
F15B11/0445	11	{with counterbalance valves, e.g. to prevent overrunning or for braking}	F15B11/044	F15B11/044		303
F15B11/046	10	depending on the position of the working member	F15B11/046	F15B11/046		96
F15B11/048	11	with deceleration control	F15B11/048	F15B11/048		406
F15B11/05	10	specially adapted to maintain constant speed, e.g. pressure-compensated, load-responsive {(F15B11/161 takes precedence)}	F15B11/05	F15B11/05		485
F15B11/055	11	{by adjusting the pump output or bypass}	F15B11/05	F15B11/05		229
F15B11/06	8	involving features specific to the use of a compressible medium, e.g. air, steam	F15B11/06	F15B11/06		573
F15B11/064	9	with devices for saving the compressible medium	F15B11/064	F15B11/064		170
F15B11/068	9	with valves for gradually putting pneumatic systems under pressure	F15B11/068	F15B11/068		90
F15B11/072	9	Combined pneumatic-hydraulic systems (F15B11/032 takes precedence)	F15B11/072	F15B11/072		253
F15B11/0725	10	{with the driving energy being derived from a pneumatic system, a subsequent hydraulic system displacing or controlling the output element}	F15B11/072	F15B11/072		285
F15B11/076	10	with pneumatic drive or displacement and speed control or stopping by hydraulic braking	F15B11/076	F15B11/076		254
F15B11/08	8	with only one servomotor	F15B11/08	F15B11/08		3767
F15B11/10	9	in which the servomotor position is a function of the pressure {also pressure regulators as operating means for such systems, the device itself may be a position indicating system}	F15B11/10	F15B11/10		446
F15B11/12	9	providing distinct intermediate positions; with step-by-step action	F15B11/12	F15B11/12		120
F15B11/121	10	{providing distinct intermediate positions (F15B11/13 takes precedence)}	F15B11/12	F15B11/12		168
F15B11/122	11	{by means of actuators with multiple stops}	F15B11/12	F15B11/12		36
F15B11/123	11	{by means of actuators with fluid-operated stops}	F15B11/12	F15B11/12		294
F15B11/125	11	{by means of digital actuators, i.e. actuators in which the total stroke is the sum of individual strokes}	F15B11/12	F15B11/12		138
F15B11/126	11	{by means of actuators of the standard type with special circuit controlling means (F15B11/125 takes precedence)}	F15B11/12	F15B11/12		103
F15B11/127	10	{with step-by-step action}	F15B11/12	F15B11/12		24
F15B11/128	11	{by means of actuators of the standard type with special circuit controlling means}	F15B11/12	F15B11/12		68
F15B11/13	10	using {separate dosing} chambers of predetermined volume	F15B11/13	F15B11/13		98
F15B11/15	9	with special provision for automatic return	F15B11/15	F15B11/15		371
F15B11/16	8	with two or more servomotors	F15B11/16	F15B11/16		3112
F15B11/161	9	{with sensing of servomotor demand or load}	F15B11/16	F15B11/16		300
F15B11/162	10	{for giving priority to particular servomotors or users}	F15B11/16	F15B11/16		339
F15B11/163	10	{for sharing the pump output equally amongst users or groups of users, e.g. using anti-saturation, pressure compensation}	F15B11/16	F15B11/16		271
F15B11/165	10	{for adjusting the pump output or bypass in response to demand}	F15B11/16	F15B11/16		794
F15B11/166	10	{Controlling a pilot pressure in response to the load, i.e. supply to at least one user is regulated by adjusting either the system pilot pressure or one or more of the individual pilot command pressures}	F15B11/16	F15B11/16		112
F15B11/167	10	{using pilot pressure to sense the demand}	F15B11/16	F15B11/16		81
F15B11/168	10	{with an isolator valve (duplicating valve), i.e. at least one load sense [LS] pressure is derived from a work port load sense pressure but is not a work port pressure itself}	F15B11/16	F15B11/16		58
F15B11/17	9	using two or more pumps	F15B11/17	F15B11/17		2776
F15B11/18	9	used in combination for obtaining stepwise operation of a single controlled member	F15B11/18	F15B11/18		120
F15B11/183	10	{Linear stepwise operation}	F15B11/18	F15B11/18		35
F15B11/186	10	{Rotary stepwise operation}	F15B11/18	F15B11/18		11
F15B11/20	9	controlling several interacting or sequentially-operating members	F15B11/20	F15B11/20		876
F15B11/205	10	{the position of the actuator controlling the fluid flow to the subsequent actuator}	F15B11/20	F15B11/20		128
F15B11/22	9	Synchronisation of the movement of two or more servomotors	F15B11/22	F15B11/22		1563
F15B13/00	7	Details of servomotor systems ({F15B1/04, F15B1/26, F15B3/00, F15B7/08, F15B11/02, F15B11/10,}F15B15/00 take precedence){; Valves for servomotor systems}	F15B13/00	F15B13/00		261
F15B2013/002	8	{Modular valves, i.e. consisting of an assembly of interchangeable components}	F15B13/00	F15B13/00		378
F15B2013/004	9	{Cartridge valves}	F15B13/00	F15B13/00		387
F15B2013/006	9	{Modular components with multiple uses, e.g. kits for either normally-open or normally-closed valves, interchangeable or reprogrammable manifolds}	F15B13/00	F15B13/00		291
F15B2013/008	8	{Throttling member profiles}	F15B13/00	F15B13/00		101
F15B13/01	8	Locking-valves or other detent {i.e. load-holding} devices	F15B13/01	F15B13/01		1287
F15B13/015	9	{using an enclosed pilot flow valve}	F15B13/01	F15B13/01		274
F15B13/02	8	Fluid distribution or supply devices characterised by their adaptation to the control of servomotors	F15B13/02	F15B13/02		7834
F15B13/021	9	{Valves for interconnecting the fluid chambers of an actuator}	F15B13/02	F15B13/02		1614
F15B13/022	9	{Flow-dividers; Priority valves}	F15B13/02	F15B13/02		718
F15B13/023	9	{Excess flow valves, e.g. for locking cylinders in case of hose burst}	F15B13/02	F15B13/02		487
F15B13/024	9	{Pressure relief valves}	F15B13/02	F15B13/02		938
F15B13/025	9	{Pressure reducing valves}	F15B13/02	F15B13/02		496
F15B13/026	9	{Pressure compensating valves}	F15B13/02	F15B13/02		300
F15B13/027	9	{Check valves}	F15B13/02	F15B13/02		1804
F15B13/028	9	{Shuttle valves}	F15B13/02	F15B13/02		200
F15B13/029	9	{Counterbalance valves}	F15B13/02	F15B13/02		163
F15B13/04	9	for use with a single servomotor	F15B13/04	F15B13/04		2552
F15B13/0401	10	{Valve members; Fluid interconnections therefor}	F15B13/04	F15B13/04		979
F15B13/0402	11	{for linearly sliding valves, e.g. spool valves}	F15B13/04	F15B13/04		2348
F15B13/0403	12	{a secondary valve member sliding within the main spool, e.g. for regeneration flow (F15B13/0418 takes precedence)}	F15B13/04	F15B13/04		167
F15B13/0405	11	{for seat valves, i.e. poppet valves}	F15B13/04	F15B13/04		995
F15B13/0406	11	{for rotary valves}	F15B13/04	F15B13/04		215
F15B13/0407	11	{Means for damping the valve member movement}	F15B13/04	F15B13/04		126
F15B2013/0409	11	{Position sensing or feedback of the valve member}	F15B13/04	F15B13/04		260
F15B2013/041	11	{with two positions}	F15B13/04	F15B13/04		217
F15B2013/0412	11	{with three positions}	F15B13/04	F15B13/04		185
F15B2013/0413	11	{with four or more positions}	F15B13/04	F15B13/04		92
F15B2013/0414	11	{Dosing devices}	F15B13/04	F15B13/04		54
F15B13/0416	10	{with means or adapted for load sensing}	F15B13/04	F15B13/04		174
F15B13/0417	11	{Load sensing elements; Internal fluid connections therefor; Anti-saturation or pressure-compensation valves}	F15B13/04	F15B13/04		882
F15B13/0418	12	{Load sensing elements sliding within a hollow main valve spool}	F15B13/04	F15B13/04		65
F15B13/042	10	operated by fluid pressure {(F15B13/0401, F15B13/0416 take precedence)}	F15B13/042	F15B13/042		838
F15B13/0422	11	{with manually-operated pilot valves, e.g. joysticks}	F15B13/042	F15B13/042		399
F15B13/0424	12	{the joysticks being provided with electrical switches or sensors}	F15B13/042	F15B13/042		55
F15B13/0426	11	{with fluid-operated pilot valves, i.e. multiple stage valves}	F15B13/042	F15B13/042		231
F15B2013/0428	11	{with switchable internal or external pilot pressure source}	F15B13/042	F15B13/042		52
F15B13/043	11	with electrically-controlled pilot valves	F15B13/043	F15B13/043		540
F15B13/0431	12	{the electrical control resulting in an on-off function}	F15B13/043	F15B13/043		442
F15B13/0433	12	{the pilot valves being pressure control valves (F15B13/0435, F15B13/0436, F15B13/0438 take precedence)}	F15B13/043	F15B13/043		421
F15B13/0435	12	{the pilot valves being sliding valves}	F15B13/043	F15B13/043		255
F15B13/0436	12	{the pilot valves being of the steerable jet type}	F15B13/043	F15B13/043		172
F15B13/0438	12	{the pilot valves being of the nozzle-flapper type}	F15B13/043	F15B13/043		444
F15B13/044	10	operated by electrically-controlled means, e.g. solenoids, torque-motors	F15B13/044	F15B13/044		1275
F15B13/0442	11	{with proportional solenoid allowing stable intermediate positions}	F15B13/044	F15B13/044		258
F15B13/0444	11	{with rotary electric motor}	F15B13/044	F15B13/044		155
F15B13/0446	11	{with moving coil, e.g. voice coil}	F15B13/044	F15B13/044		47
F15B2013/0448	11	{Actuation by solenoid and permanent magnet}	F15B13/044	F15B13/044		484
F15B13/06	9	for use with two or more servomotors	F15B13/06	F15B13/06		3251
F15B13/07	10	in distinct sequence	F15B13/07	F15B13/07		292
F15B13/08	10	Assemblies of units, each for the control of a single servomotor only	F15B13/08	F15B13/08		429
F15B13/0803	11	{Modular units}	F15B13/08	F15B13/08		74
F15B13/0807	12	{Manifolds}	F15B13/08	F15B13/08		272
F15B13/081	13	{Laminated constructions}	F15B13/08	F15B13/08		164
F15B13/0814	13	{Monoblock manifolds}	F15B13/08	F15B13/08		740
F15B13/0817	13	{Multiblock manifolds}	F15B13/08	F15B13/08		505
F15B13/0821	12	{Attachment or sealing of modular units to each other}	F15B13/08	F15B13/08		396
F15B13/0825	13	{the modular elements being mounted on a common member, e.g. on a rail}	F15B13/08	F15B13/08		225
F15B13/0828	12	{characterised by sealing means of the modular units}	F15B13/08	F15B13/08		219
F15B13/0832	12	{Modular valves}	F15B13/08	F15B13/08		344
F15B13/0835	13	{Cartridge type valves}	F15B13/08	F15B13/08		199
F15B13/0839	13	{Stacked plate type valves}	F15B13/08	F15B13/08		490
F15B13/0842	13	{Monoblock type valves, e.g. with multiple valve spools in a common housing}	F15B13/08	F15B13/08		126
F15B13/0846	12	{Electrical details}	F15B13/08	F15B13/08		59
F15B13/085	13	{Electrical controllers}	F15B13/08	F15B13/08		188
F15B13/0853	13	{Electric circuit boards}	F15B13/08	F15B13/08		255
F15B13/0857	13	{Electrical connecting means, e.g. plugs, sockets}	F15B13/08	F15B13/08		607
F15B13/086	13	{Sensing means, e.g. pressure sensors}	F15B13/08	F15B13/08		344
F15B13/0864	13	{Signalling means, e.g. LEDs}	F15B13/08	F15B13/08		105
F15B13/0867	13	{Data bus systems}	F15B13/08	F15B13/08		200
F15B13/0871	12	{Channels for fluid}	F15B13/08	F15B13/08		356
F15B13/0875	12	{Channels for electrical components, e.g. for cables or sensors}	F15B13/08	F15B13/08		200
F15B13/0878	12	{Assembly of modular units}	F15B13/08	F15B13/08		12
F15B13/0882	13	{using identical modular elements}	F15B13/08	F15B13/08		58
F15B13/0885	13	{using valves combined with other components}	F15B13/08	F15B13/08		19
F15B13/0889	14	{Valves combined with electrical components}	F15B13/08	F15B13/08		171
F15B13/0892	14	{Valves combined with fluid components}	F15B13/08	F15B13/08		277
F15B13/0896	13	{using different types or sizes of valves}	F15B13/08	F15B13/08		370
F15B13/10	8	Special arrangements for operating the actuated device {with or} without using fluid pressure, e.g. for emergency use	F15B13/10	F15B13/10		213
F15B13/12	8	Special measures for increasing the sensitivity of the system	F15B13/12	F15B13/12		117
F15B13/14	8	Special measures for giving the operating person a "feeling" of the response of the actuated device	F15B13/14	F15B13/14		127
F15B13/16	8	Special measures for feedback {, e.g. by a follow-up device}	F15B13/16	F15B13/16		495
F15B15/00	7	Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith	F15B15/00	F15B15/00		273
F15B15/02	8	Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member	F15B15/02	F15B15/02		650
F15B15/04	9	with oscillating cylinder	F15B15/04	F15B15/04		196
F15B15/06	9	for mechanically converting rectilinear movement into non- rectilinear movement	F15B15/06	F15B15/06		718
F15B15/061	10	{by unidirectional means}	F15B15/06	F15B15/06		155
F15B15/063	10	{Actuator having both linear and rotary output, i.e. dual action actuator}	F15B15/06	F15B15/06		252
F15B15/065	10	{the motor being of the rack-and-pinion type}	F15B15/06	F15B15/06		796
F15B15/066	10	{the motor being of the scotch yoke type}	F15B15/06	F15B15/06		207
F15B15/068	10	{the motor being of the helical type}	F15B15/06	F15B15/06		539
F15B15/08	8	Characterised by the construction of the motor unit	F15B15/08	F15B15/08		803
F15B15/082	9	{the motor being of the slotted cylinder type}	F15B15/08	F15B15/08		325
F15B15/084	9	{the motor being of the rodless piston type, e.g. with cable, belt or chain}	F15B15/08	F15B15/08		195
F15B15/086	10	{with magnetic coupling}	F15B15/08	F15B15/08		79
F15B15/088	9	{the motor using combined actuation, e.g. electric and fluid actuation}	F15B15/08	F15B15/08		223
F15B15/10	9	the motor being of diaphragm type	F15B15/10	F15B15/10		1293
F15B15/103	10	{using inflatable bodies that contract when fluid pressure is applied, e.g. pneumatic artificial muscles or McKibben-type actuators}	F15B15/10	F15B15/10		664
F15B15/106	10	{the motor being of the pinching-roller type}	F15B15/10	F15B15/10		64
F15B15/12	9	of the oscillating-vane or curved-cylinder type	F15B15/12	F15B15/12		974
F15B15/125	10	{of the curved-cylinder type}	F15B15/12	F15B15/12		195
F15B15/14	9	of the straight-cylinder type	F15B15/14	F15B15/14		2590
F15B15/1404	10	{in clusters, e.g. multiple cylinders in one block}	F15B15/14	F15B15/14		658
F15B15/1409	10	{with two or more independently movable working pistons}	F15B15/14	F15B15/14		666
F15B15/1414	10	{with non-rotatable piston}	F15B15/14	F15B15/14		337
F15B15/1419	11	{of non-circular cross-section}	F15B15/14	F15B15/14		98
F15B15/1423	10	{Component parts; Constructional details}	F15B15/14	F15B15/14		3336
F15B15/1428	11	{Cylinders (F15B15/1438 takes precedence)}	F15B15/14	F15B15/14		2245
F15B15/1433	11	{End caps (F15B15/1438 takes precedence)}	F15B15/14	F15B15/14		1129
F15B15/1438	11	{Cylinder to end cap assemblies}	F15B15/14	F15B15/14		807
F15B15/1442	12	{End cap sealings}	F15B15/14	F15B15/14		385
F15B15/1447	11	{Pistons; Piston to piston rod assemblies}	F15B15/14	F15B15/14		2237
F15B15/1452	12	{Piston sealings}	F15B15/14	F15B15/14		1173
F15B15/1457	11	{Piston rods (F15B15/1447 takes precedence)}	F15B15/14	F15B15/14		1472
F15B15/1461	12	{Piston rod sealings}	F15B15/14	F15B15/14		990
F15B15/1466	11	{Hollow piston sliding over a stationary rod inside the cylinder}	F15B15/14	F15B15/14		430
F15B15/1471	11	{Guiding means other than in the end cap (F15B15/1466 takes precedence)}	F15B15/14	F15B15/14		600
F15B15/1476	11	{Special return means}	F15B15/14	F15B15/14		355
F15B15/148	11	{Lost-motion means between the piston and the output}	F15B15/14	F15B15/14		62
F15B15/1485	11	{Special measures for cooling or heating}	F15B15/14	F15B15/14		335
F15B15/149	10	{Fluid interconnections, e.g. fluid connectors, passages}	F15B15/14	F15B15/14		2053
F15B2015/1495	10	{with screw mechanism attached to the piston}	F15B15/14	F15B15/14		223
F15B15/16	10	of the telescopic type	F15B15/16	F15B15/16		1055
F15B15/165	11	{with synchronisation of sections}	F15B15/16	F15B15/16		51
F15B15/17	10	of differential-piston type	F15B15/17	F15B15/17		200
F15B15/18	8	Combined units comprising both motor and pump	F15B15/18	F15B15/18		1328
F15B15/19	8	Pyrotechnical actuators	F15B15/19	F15B15/19		466
F15B15/20	8	Other details {, e.g. assembly with regulating devices}	F15B15/20	F15B15/20		2430
F15B15/202	9	{Externally-operated valves mounted in or on the actuator}	F15B15/20	F15B15/20		1006
F15B15/204	9	{Control means for piston speed or actuating force without external control, e.g. control valve inside the piston (F15B11/02, F15B15/22 take precedence)}	F15B15/20	F15B15/20		616
F15B2015/206	9	{Combined actuation, e.g. electric and fluid actuated}	F15B15/20	F15B15/20		138
F15B2015/208	9	{Special fluid pressurisation means, e.g. thermal or electrolytic}	F15B15/20	F15B15/20		71
F15B15/22	9	for accelerating or decelerating the stroke	F15B15/22	F15B15/22		1022
F15B15/221	10	{for accelerating the stroke, e.g. by area increase}	F15B15/22	F15B15/22		87
F15B15/222	10	{having a piston with a piston extension or piston recess which throttles the main fluid outlet as the piston approaches its end position}	F15B15/22	F15B15/22		431
F15B15/223	10	{having a piston with a piston extension or piston recess which completely seals the main fluid outlet as the piston approaches its end position}	F15B15/22	F15B15/22		361
F15B15/224	10	{having a piston which closes off fluid outlets in the cylinder bore by its own movement}	F15B15/22	F15B15/22		220
F15B15/225	10	{with valve stems operated by contact with the piston end face or with the cylinder wall}	F15B15/22	F15B15/22		118
F15B15/226	10	{having elastic elements, e.g. springs, rubber pads}	F15B15/22	F15B15/22		670
F15B15/227	10	{having an auxiliary cushioning piston within the main piston or the cylinder end face}	F15B15/22	F15B15/22		217
F15B15/228	10	{having shock absorbers mounted outside the actuator housing}	F15B15/22	F15B15/22		112
F15B15/24	9	for restricting the stroke	F15B15/24	F15B15/24		952
F15B15/26	9	Locking mechanisms	F15B15/26	F15B15/26		807
F15B15/261	10	{using positive interengagement, e.g. balls and grooves, for locking in the end positions}	F15B15/26	F15B15/26		1242
F15B15/262	10	{using friction, e.g. brake pads}	F15B15/26	F15B15/26		550
F15B15/264	11	{Screw mechanisms attached to the piston}	F15B15/26	F15B15/26		104
F15B15/265	10	{specially adapted for rodless pistons or slotted cylinders}	F15B15/26	F15B15/26		24
F15B2015/267	10	{Manual locking or release}	F15B15/26	F15B15/26		62
F15B2015/268	10	{Fluid supply for locking or release independent of actuator pressurisation}	F15B15/26	F15B15/26		229
F15B15/28	9	Means for indicating the position, e.g. end of stroke	F15B15/28	F15B15/28		376
F15B15/2807	10	{Position switches, i.e. means for sensing of discrete positions only, e.g. limit switches}	F15B15/28	F15B15/28		601
F15B15/2815	10	{Position sensing, i.e. means for continuous measurement of position, e.g. LVDT}	F15B15/28	F15B15/28		720
F15B15/2823	11	{by a screw mechanism attached to the piston}	F15B15/28	F15B15/28		69
F15B15/283	11	{using a cable wrapped on a drum and attached to the piston}	F15B15/28	F15B15/28		54
F15B15/2838	11	{with out using position sensors, e.g. by volume flow measurement or pump speed}	F15B15/28	F15B15/28		257
F15B15/2846	11	{using detection of markings, e.g. markings on the piston rod}	F15B15/28	F15B15/28		143
F15B15/2853	11	{using potentiometers}	F15B15/28	F15B15/28		117
F15B15/2861	11	{using magnetic means}	F15B15/28	F15B15/28		669
F15B15/2869	11	{using electromagnetic radiation, e.g. radar or microwaves}	F15B15/28	F15B15/28		127
F15B15/2876	12	{using optical means, e.g. laser}	F15B15/28	F15B15/28		78
F15B15/2884	11	{using sound, e.g. ultrasound}	F15B15/28	F15B15/28		67
F15B15/2892	10	{characterised by the attachment means}	F15B15/28	F15B15/28		606
F15B17/00	7	Combinations of telemotor and servomotor systems	F15B17/00	F15B17/00		191
F15B17/02	8	in which a telemotor operates the control member of a servomotor	F15B17/02	F15B17/02		49
F15B18/00	7	Parallel arrangements of independent servomotor systems	F15B18/00	F15B18/00		329
F15B19/00	7	Testing; {Calibrating; Fault detection or monitoring; Simulation or modelling of} fluid-pressure systems or apparatus not otherwise provided for	F15B19/00	F15B19/00		3563
F15B19/002	8	{Calibrating}	F15B19/00	F15B19/00		418
F15B19/005	8	{Fault detection or monitoring}	F15B19/00	F15B19/00		2387
F15B19/007	8	{Simulation or modelling}	F15B19/00	F15B19/00		665
F15B20/00	7	Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems	F15B20/00	F15B20/00		1928
F15B20/001	8	{Double valve requiring the use of both hands simultaneously}	F15B20/00	F15B20/00		173
F15B20/002	8	{Electrical failure}	F15B20/00	F15B20/00		408
F15B20/004	8	{Fluid pressure supply failure}	F15B20/00	F15B20/00		550
F15B20/005	8	{Leakage; Spillage; Hose burst}	F15B20/00	F15B20/00		730
F15B20/007	8	{Overload}	F15B20/00	F15B20/00		478
F15B20/008	8	{Valve failure}	F15B20/00	F15B20/00		470
F15B21/00	7	Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass	F15B21/00	F15B21/00		1918
F15B21/001	8	{Servomotor systems with fluidic control}	F15B21/00	F15B21/00		652
F15B21/003	8	{Systems with different interchangeable components, e.g. using preassembled kits}	F15B21/00	F15B21/00		96
F15B21/005	8	{Filling or draining of fluid systems}	F15B21/00	F15B21/00		482
F15B21/006	8	{Compensation or avoidance of ambient pressure variation}	F15B21/00	F15B21/00		125
F15B21/008	8	{Reduction of noise or vibration}	F15B21/00	F15B21/00		989
F15B21/02	8	Servomotor systems with program control derived from a store or timing device; Control devices therefor	F15B21/02	F15B21/02		1771
F15B21/04	8	Special measures taken in connection with the properties of the fluid	F15B21/04	F15B21/04		512
F15B21/041	9	Removal or measurement of solid or liquid contamination, e.g. filtering	F15B21/041	F15B21/041		3837
F15B21/042	9	Controlling the temperature of the fluid	F15B21/042	F15B21/042		937
F15B21/0423	10	Cooling	F15B21/0423	F15B21/0423		1766
F15B21/0427	10	Heating	F15B21/0427	F15B21/0427		520
F15B21/044	9	Removal or measurement of undissolved gas, e.g. de-aeration, venting or bleeding	F15B21/044	F15B21/044		949
F15B21/045	9	Compensating for variations in viscosity or temperature	F15B21/045	F15B21/045		345
F15B21/047	9	Preventing foaming, churning or cavitation	F15B21/047	F15B21/047		369
F15B21/048	9	Arrangements for compressed air preparation, e.g. comprising air driers, air condensers, filters, lubricators or pressure regulators	F15B21/048	F15B21/048		399
F15B21/06	8	Use of special fluids, e.g. liquid metal; Special adaptations of fluid-pressure systems, or control of elements therefor, to the use of such fluids	F15B21/06	F15B21/06		227
F15B21/065	9	{Use of electro- or magnetosensitive fluids, e.g. electrorheological fluid}	F15B21/06	F15B21/06		156
F15B21/08	8	Servomotor systems incorporating electrically operated control means (F15B21/02, {F15B21/065} take precedence)	F15B21/08	F15B21/08		2862
F15B21/082	9	{with different modes}	F15B21/08	F15B21/08		222
F15B21/085	9	{using a data bus, e.g. "CANBUS"}	F15B21/08	F15B21/08		200
F15B21/087	9	{Control strategy, e.g. with block diagram}	F15B21/08	F15B21/08		2078
F15B21/10	8	Delay devices or arrangements	F15B21/10	F15B21/10		237
F15B21/12	8	Fluid oscillators or pulse generators	F15B21/12	F15B21/12		447
F15B21/125	9	{by means of a rotating valve}	F15B21/12	F15B21/12		84
F15B21/14	8	Energy-recuperation means	F15B21/14	F15B21/14		1563
F15B2201/00	7	Accumulators	CPCONLY	F15B2201/00		70
F15B2201/20	8	Accumulator cushioning means	CPCONLY	F15B2201/20		158
F15B2201/205	9	using gas	CPCONLY	F15B2201/205		2263
F15B2201/21	9	using springs	CPCONLY	F15B2201/21		442
F15B2201/215	9	using weights	CPCONLY	F15B2201/215		39
F15B2201/22	9	using elastic housings	CPCONLY	F15B2201/22		31
F15B2201/30	8	Accumulator separating means	CPCONLY	F15B2201/30		17
F15B2201/305	9	without separating means	CPCONLY	F15B2201/305		55
F15B2201/31	9	having rigid separating means, e.g. pistons	CPCONLY	F15B2201/31		617
F15B2201/312	10	Sealings therefor, e.g. piston rings	CPCONLY	F15B2201/312		548
F15B2201/315	9	having flexible separating means	CPCONLY	F15B2201/315		69
F15B2201/3151	10	the flexible separating means being diaphragms or membranes	CPCONLY	F15B2201/3151		731
F15B2201/3152	10	the flexible separating means being bladders	CPCONLY	F15B2201/3152		686
F15B2201/3153	10	the flexible separating means being bellows	CPCONLY	F15B2201/3153		494
F15B2201/3154	10	the flexible separating means being completely enclosed, e.g. using gas-filled balls or foam	CPCONLY	F15B2201/3154		52
F15B2201/3155	10	characterised by the material of the flexible separating means	CPCONLY	F15B2201/3155		58
F15B2201/3156	10	characterised by their attachment	CPCONLY	F15B2201/3156		515
F15B2201/3157	10	Sealings for the flexible separating means	CPCONLY	F15B2201/3157		49
F15B2201/3158	10	Guides for the flexible separating means, e.g. for a collapsed bladder	CPCONLY	F15B2201/3158		140
F15B2201/32	9	having multiple separating means, e.g. with an auxiliary piston sliding within a main piston, multiple membranes or combinations thereof	CPCONLY	F15B2201/32		315
F15B2201/40	8	Constructional details of accumulators not otherwise provided for	CPCONLY	F15B2201/40		104
F15B2201/405	9	Housings	CPCONLY	F15B2201/405		138
F15B2201/4053	10	characterised by the material	CPCONLY	F15B2201/4053		72
F15B2201/4056	10	characterised by the attachment of housing components	CPCONLY	F15B2201/4056		157
F15B2201/41	9	Liquid ports	CPCONLY	F15B2201/41		603
F15B2201/411	10	having valve means	CPCONLY	F15B2201/411		880
F15B2201/413	10	having multiple liquid ports	CPCONLY	F15B2201/413		353
F15B2201/415	9	Gas ports	CPCONLY	F15B2201/415		639
F15B2201/4155	10	having valve means	CPCONLY	F15B2201/4155		825
F15B2201/42	9	Heat recuperators for isothermal compression and expansion	CPCONLY	F15B2201/42		34
F15B2201/43	9	Anti-extrusion means	CPCONLY	F15B2201/43		306
F15B2201/435	10	being fixed to the separating means	CPCONLY	F15B2201/435		325
F15B2201/50	8	Monitoring, detection and testing means for accumulators	CPCONLY	F15B2201/50		114
F15B2201/505	9	Testing of accumulators, e.g. for testing tightness	CPCONLY	F15B2201/505		53
F15B2201/51	9	Pressure detection	CPCONLY	F15B2201/51		296
F15B2201/515	9	Position detection for separating means	CPCONLY	F15B2201/515		176
F15B2201/60	8	Assembling or methods for making accumulators	CPCONLY	F15B2201/60		76
F15B2201/605	9	Assembling or methods for making housings therefor	CPCONLY	F15B2201/605		142
F15B2201/61	9	Assembling or methods for making separating means therefor	CPCONLY	F15B2201/61		154
F15B2201/615	9	Assembling or methods for making ports therefor	CPCONLY	F15B2201/615		95
F15B2211/00	7	Circuits for servomotor systems	CPCONLY	F15B2211/00		26
F15B2211/20	8	Fluid pressure source, e.g. accumulator or variable axial piston pump	CPCONLY	F15B2211/20		47
F15B2211/205	9	Systems with pumps	CPCONLY	F15B2211/205		785
F15B2211/20507	10	Type of prime mover	CPCONLY	F15B2211/20507		155
F15B2211/20515	11	Electric motor	CPCONLY	F15B2211/20515		1830
F15B2211/20523	11	Internal combustion engine	CPCONLY	F15B2211/20523		727
F15B2211/2053	10	Type of pump	CPCONLY	F15B2211/2053		181
F15B2211/20538	11	constant capacity	CPCONLY	F15B2211/20538		1977
F15B2211/20546	11	variable capacity	CPCONLY	F15B2211/20546		2143
F15B2211/20553	12	with pilot circuit, e.g. for controlling a swash plate	CPCONLY	F15B2211/20553		1203
F15B2211/20561	11	reversible	CPCONLY	F15B2211/20561		941
F15B2211/20569	11	capable of working as pump and motor	CPCONLY	F15B2211/20569		537
F15B2211/20576	10	with multiple pumps	CPCONLY	F15B2211/20576		2604
F15B2211/20584	11	Combinations of pumps with high and low capacity	CPCONLY	F15B2211/20584		306
F15B2211/20592	11	Combinations of pumps for supplying high and low pressure	CPCONLY	F15B2211/20592		222
F15B2211/21	9	Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge	CPCONLY	F15B2211/21		89
F15B2211/212	10	the pressure sources being accumulators	CPCONLY	F15B2211/212		1460
F15B2211/214	10	the pressure sources being hydrotransformers	CPCONLY	F15B2211/214		335
F15B2211/216	10	the pressure sources being pneumatic-to-hydraulic converters	CPCONLY	F15B2211/216		441
F15B2211/218	10	the pressure sources being pyrotechnical charges	CPCONLY	F15B2211/218		14
F15B2211/25	9	Pressure control functions	CPCONLY	F15B2211/25		382
F15B2211/251	10	High pressure control	CPCONLY	F15B2211/251		82
F15B2211/252	10	Low pressure control	CPCONLY	F15B2211/252		41
F15B2211/253	10	Pressure margin control, e.g. pump pressure in relation to load pressure	CPCONLY	F15B2211/253		302
F15B2211/255	9	Flow control functions	CPCONLY	F15B2211/255		406
F15B2211/26	9	Power control functions	CPCONLY	F15B2211/26		94
F15B2211/265	9	Control of multiple pressure sources	CPCONLY	F15B2211/265		170
F15B2211/2652	10	without priority	CPCONLY	F15B2211/2652		8
F15B2211/2654	10	one or more pressure sources having priority	CPCONLY	F15B2211/2654		75
F15B2211/2656	10	by control of the pumps	CPCONLY	F15B2211/2656		83
F15B2211/2658	10	by control of the prime movers	CPCONLY	F15B2211/2658		46
F15B2211/27	9	Directional control by means of the pressure source	CPCONLY	F15B2211/27		653
F15B2211/275	9	Control of the prime mover, e.g. hydraulic control	CPCONLY	F15B2211/275		166
F15B2211/30	8	Directional control	CPCONLY	F15B2211/30		53
F15B2211/305	9	characterised by the type of valves	CPCONLY	F15B2211/305		144
F15B2211/30505	10	Non-return valves, i.e. check valves	CPCONLY	F15B2211/30505		2078
F15B2211/3051	11	Cross-check valves	CPCONLY	F15B2211/3051		343
F15B2211/30515	11	Load holding valves	CPCONLY	F15B2211/30515		605
F15B2211/3052	10	Shuttle valves	CPCONLY	F15B2211/3052		272
F15B2211/30525	10	Directional control valves, e.g. 4/3-directional control valve	CPCONLY	F15B2211/30525		2396
F15B2211/3053	11	In combination with a pressure compensating valve	CPCONLY	F15B2211/3053		51
F15B2211/30535	12	the pressure compensating valve is arranged between pressure source and directional control valve	CPCONLY	F15B2211/30535		567
F15B2211/3054	12	the pressure compensating valve is arranged between directional control valve and output member	CPCONLY	F15B2211/3054		101
F15B2211/30545	12	the pressure compensating valve is arranged between output member and directional control valve	CPCONLY	F15B2211/30545		12
F15B2211/3055	12	the pressure compensating valve is arranged between directional control valve and return line	CPCONLY	F15B2211/3055		61
F15B2211/30555	12	Inlet and outlet of the pressure compensating valve being connected to the directional control valve	CPCONLY	F15B2211/30555		170
F15B2211/3056	10	Assemblies of multiple valves	CPCONLY	F15B2211/3056		207
F15B2211/30565	11	having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve	CPCONLY	F15B2211/30565		677
F15B2211/3057	12	having two valves, one for each port of a double-acting output member	CPCONLY	F15B2211/3057		443
F15B2211/30575	12	in a Wheatstone Bridge arrangement (also half bridges)	CPCONLY	F15B2211/30575		555
F15B2211/3058	12	having additional valves for interconnecting the fluid chambers of a double-acting actuator, e.g. for regeneration mode or for floating mode	CPCONLY	F15B2211/3058		602
F15B2211/30585	11	having a single valve for multiple output members	CPCONLY	F15B2211/30585		178
F15B2211/3059	11	having multiple valves for multiple output members	CPCONLY	F15B2211/3059		312
F15B2211/30595	12	with additional valves between the groups of valves for multiple output members	CPCONLY	F15B2211/30595		398
F15B2211/31	9	characterised by the positions of the valve element	CPCONLY	F15B2211/31		23
F15B2211/3105	10	Neutral or centre positions	CPCONLY	F15B2211/3105		44
F15B2211/3111	11	the pump port being closed in the centre position, e.g. so-called closed centre	CPCONLY	F15B2211/3111		940
F15B2211/3116	11	the pump port being open in the centre position, e.g. so-called open centre	CPCONLY	F15B2211/3116		942
F15B2211/3122	10	Special positions other than the pump port being connected to working ports or the working ports being connected to the return line	CPCONLY	F15B2211/3122		124
F15B2211/3127	11	Floating position connecting the working ports and the return line	CPCONLY	F15B2211/3127		331
F15B2211/3133	11	Regenerative position connecting the working ports or connecting the working ports to the pump, e.g. for high-speed approach stroke	CPCONLY	F15B2211/3133		157
F15B2211/3138	10	the positions being discrete	CPCONLY	F15B2211/3138		280
F15B2211/3144	10	the positions being continuously variable, e.g. as realised by proportional valves	CPCONLY	F15B2211/3144		685
F15B2211/315	9	characterised by the connections of the valve or valves in the circuit	CPCONLY	F15B2211/315		75
F15B2211/31505	10	being connected to a pressure source and a return line	CPCONLY	F15B2211/31505		13
F15B2211/31511	11	having a single pressure source	CPCONLY	F15B2211/31511		59
F15B2211/31517	11	having multiple pressure sources	CPCONLY	F15B2211/31517		13
F15B2211/31523	10	being connected to a pressure source and an output member	CPCONLY	F15B2211/31523		32
F15B2211/31529	11	having a single pressure source and a single output member	CPCONLY	F15B2211/31529		221
F15B2211/31535	11	having multiple pressure sources and a single output member	CPCONLY	F15B2211/31535		103
F15B2211/31541	11	having a single pressure source and multiple output members	CPCONLY	F15B2211/31541		97
F15B2211/31547	11	having multiple pressure sources and multiple output members	CPCONLY	F15B2211/31547		53
F15B2211/31552	10	being connected to an output member and a return line	CPCONLY	F15B2211/31552		19
F15B2211/31558	11	having a single output member	CPCONLY	F15B2211/31558		170
F15B2211/31564	11	having multiple output members	CPCONLY	F15B2211/31564		19
F15B2211/3157	10	being connected to a pressure source, an output member and a return line	CPCONLY	F15B2211/3157		38
F15B2211/31576	11	having a single pressure source and a single output member	CPCONLY	F15B2211/31576		761
F15B2211/31582	11	having multiple pressure sources and a single output member	CPCONLY	F15B2211/31582		177
F15B2211/31588	11	having a single pressure source and multiple output members	CPCONLY	F15B2211/31588		142
F15B2211/31594	11	having multiple pressure sources and multiple output members	CPCONLY	F15B2211/31594		63
F15B2211/32	9	characterised by the type of actuation	CPCONLY	F15B2211/32		46
F15B2211/321	10	mechanically	CPCONLY	F15B2211/321		88
F15B2211/322	11	actuated by biasing means, e.g. spring-actuated	CPCONLY	F15B2211/322		90
F15B2211/323	12	the biasing means being adjustable	CPCONLY	F15B2211/323		18
F15B2211/324	11	manually, e.g. by using a lever or pedal	CPCONLY	F15B2211/324		811
F15B2211/325	11	actuated by an output member of the circuit	CPCONLY	F15B2211/325		170
F15B2211/326	12	with follow-up action	CPCONLY	F15B2211/326		35
F15B2211/327	10	electrically or electronically	CPCONLY	F15B2211/327		1758
F15B2211/328	11	with signal modulation, e.g. pulse width modulation [PWM]	CPCONLY	F15B2211/328		103
F15B2211/329	10	actuated by fluid pressure	CPCONLY	F15B2211/329		1856
F15B2211/35	9	Directional control combined with flow control	CPCONLY	F15B2211/35		202
F15B2211/351	10	Flow control by regulating means in feed line, i.e. meter-in control	CPCONLY	F15B2211/351		474
F15B2211/353	10	Flow control by regulating means in return line, i.e. meter-out control	CPCONLY	F15B2211/353		314
F15B2211/355	9	Pilot pressure control	CPCONLY	F15B2211/355		562
F15B2211/36	9	Pilot pressure sensing	CPCONLY	F15B2211/36		80
F15B2211/365	9	Directional control combined with flow control and pressure control	CPCONLY	F15B2211/365		165
F15B2211/40	8	Flow control	CPCONLY	F15B2211/40		84
F15B2211/405	9	characterised by the type of flow control means or valve	CPCONLY	F15B2211/405		508
F15B2211/40507	10	with constant throttles or orifices	CPCONLY	F15B2211/40507		918
F15B2211/40515	10	with variable throttles or orifices	CPCONLY	F15B2211/40515		2221
F15B2211/40523	10	with flow dividers	CPCONLY	F15B2211/40523		64
F15B2211/4053	11	using valves	CPCONLY	F15B2211/4053		294
F15B2211/40538	11	using volumetric pumps or motors	CPCONLY	F15B2211/40538		33
F15B2211/40546	10	with flow combiners	CPCONLY	F15B2211/40546		44
F15B2211/40553	10	with pressure compensating valves	CPCONLY	F15B2211/40553		84
F15B2211/40561	11	the pressure compensating valve arranged upstream of the flow control means	CPCONLY	F15B2211/40561		105
F15B2211/40569	11	the pressure compensating valve arranged downstream of the flow control means	CPCONLY	F15B2211/40569		117
F15B2211/40576	10	Assemblies of multiple valves	CPCONLY	F15B2211/40576		174
F15B2211/40584	11	the flow control means arranged in parallel with a check valve	CPCONLY	F15B2211/40584		535
F15B2211/40592	11	with multiple valves in parallel flow paths,	CPCONLY	F15B2211/40592		201
F15B2211/41	9	characterised by the positions of the valve element	CPCONLY	F15B2211/41		8
F15B2211/411	10	the positions being discrete	CPCONLY	F15B2211/411		333
F15B2211/413	10	the positions being continuously variable, e.g. as realised by proportional valves	CPCONLY	F15B2211/413		316
F15B2211/415	9	characterised by the connections of the flow control means in the circuit	CPCONLY	F15B2211/415		52
F15B2211/41509	10	being connected to a pressure source and a directional control valve	CPCONLY	F15B2211/41509		470
F15B2211/41518	11	being connected to multiple pressure sources	CPCONLY	F15B2211/41518		130
F15B2211/41527	10	being connected to an output member and a directional control valve	CPCONLY	F15B2211/41527		564
F15B2211/41536	11	being connected to multiple ports of an output member	CPCONLY	F15B2211/41536		274
F15B2211/41545	11	being connected to multiple output members	CPCONLY	F15B2211/41545		64
F15B2211/41554	10	being connected to a return line and a directional control valve	CPCONLY	F15B2211/41554		261
F15B2211/41563	10	being connected to a pressure source and a return line	CPCONLY	F15B2211/41563		252
F15B2211/41572	10	being connected to a pressure source and an output member	CPCONLY	F15B2211/41572		366
F15B2211/41581	10	being connected to an output member and a return line	CPCONLY	F15B2211/41581		399
F15B2211/4159	10	being connected to a pressure source, an output member and a return line	CPCONLY	F15B2211/4159		78
F15B2211/42	9	characterised by the type of actuation	CPCONLY	F15B2211/42		30
F15B2211/421	10	mechanically	CPCONLY	F15B2211/421		53
F15B2211/422	11	actuated by biasing means, e.g. spring-actuated	CPCONLY	F15B2211/422		46
F15B2211/423	11	manually, e.g. by using a lever or pedal	CPCONLY	F15B2211/423		236
F15B2211/424	11	actuated by an output member of the circuit	CPCONLY	F15B2211/424		136
F15B2211/425	12	with follow-up action	CPCONLY	F15B2211/425		4
F15B2211/426	10	electrically or electronically	CPCONLY	F15B2211/426		892
F15B2211/427	11	with signal modulation, e.g. using pulse width modulation [PWM]	CPCONLY	F15B2211/427		40
F15B2211/428	10	actuated by fluid pressure	CPCONLY	F15B2211/428		1004
F15B2211/45	9	Control of bleed-off flow, e.g. control of bypass flow to the return line	CPCONLY	F15B2211/45		1036
F15B2211/455	9	Control of flow in the feed line, i.e. meter-in control	CPCONLY	F15B2211/455		879
F15B2211/46	9	Control of flow in the return line, i.e. meter-out control	CPCONLY	F15B2211/46		958
F15B2211/465	9	Flow control with pressure compensation	CPCONLY	F15B2211/465		108
F15B2211/47	9	Flow control in one direction only	CPCONLY	F15B2211/47		24
F15B2211/473	10	without restriction in the reverse direction	CPCONLY	F15B2211/473		314
F15B2211/476	10	the flow in the reverse direction being blocked	CPCONLY	F15B2211/476		20
F15B2211/50	8	Pressure control	CPCONLY	F15B2211/50		150
F15B2211/505	9	characterised by the type of pressure control means	CPCONLY	F15B2211/505		228
F15B2211/50509	10	the pressure control means controlling a pressure upstream of the pressure control means	CPCONLY	F15B2211/50509		66
F15B2211/50518	11	using pressure relief valves	CPCONLY	F15B2211/50518		1637
F15B2211/50527	12	using cross-pressure relief valves	CPCONLY	F15B2211/50527		231
F15B2211/50536	11	using unloading valves controlling the supply pressure by diverting fluid to the return line	CPCONLY	F15B2211/50536		1176
F15B2211/50545	11	using braking valves to maintain a back pressure	CPCONLY	F15B2211/50545		254
F15B2211/50554	10	the pressure control means controlling a pressure downstream of the pressure control means, e.g. pressure reducing valve	CPCONLY	F15B2211/50554		744
F15B2211/50563	10	the pressure control means controlling a differential pressure	CPCONLY	F15B2211/50563		234
F15B2211/50572	11	using a pressure compensating valve for controlling the pressure difference across a flow control valve	CPCONLY	F15B2211/50572		156
F15B2211/50581	11	using counterbalance valves	CPCONLY	F15B2211/50581		217
F15B2211/5059	12	using double counterbalance valves	CPCONLY	F15B2211/5059		152
F15B2211/51	9	characterised by the positions of the valve element	CPCONLY	F15B2211/51		34
F15B2211/511	10	the positions being discrete	CPCONLY	F15B2211/511		53
F15B2211/513	10	the positions being continuously variable, e.g. as realised by proportional valves	CPCONLY	F15B2211/513		177
F15B2211/515	9	characterised by the connections of the pressure control means in the circuit	CPCONLY	F15B2211/515		59
F15B2211/5151	10	being connected to a pressure source and a directional control valve	CPCONLY	F15B2211/5151		701
F15B2211/5152	11	being connected to multiple pressure sources	CPCONLY	F15B2211/5152		61
F15B2211/5153	10	being connected to an output member and a directional control valve	CPCONLY	F15B2211/5153		350
F15B2211/5154	11	being connected to multiple ports of an output member	CPCONLY	F15B2211/5154		162
F15B2211/5155	11	being connected to multiple output members	CPCONLY	F15B2211/5155		38
F15B2211/5156	10	being connected to a return line and a directional control valve	CPCONLY	F15B2211/5156		148
F15B2211/5157	10	being connected to a pressure source and a return line	CPCONLY	F15B2211/5157		406
F15B2211/5158	10	being connected to a pressure source and an output member	CPCONLY	F15B2211/5158		233
F15B2211/5159	10	being connected to an output member and a return line	CPCONLY	F15B2211/5159		295
F15B2211/52	9	characterised by the type of actuation	CPCONLY	F15B2211/52		14
F15B2211/521	10	mechanically	CPCONLY	F15B2211/521		33
F15B2211/522	11	actuated by biasing means, e.g. spring-actuated	CPCONLY	F15B2211/522		65
F15B2211/523	11	manually, e.g. by using a lever or pedal	CPCONLY	F15B2211/523		115
F15B2211/524	11	actuated by an output member of the circuit	CPCONLY	F15B2211/524		40
F15B2211/525	12	with follow-up action	CPCONLY	F15B2211/525		4
F15B2211/526	10	electrically or electronically	CPCONLY	F15B2211/526		478
F15B2211/527	11	with signal modulation, e.g. pulse width modulation [PWM]	CPCONLY	F15B2211/527		36
F15B2211/528	10	actuated by fluid pressure	CPCONLY	F15B2211/528		932
F15B2211/55	9	for limiting a pressure up to a maximum pressure, e.g. by using a pressure relief valve	CPCONLY	F15B2211/55		1156
F15B2211/555	9	for assuring a minimum pressure, e.g. by using a back pressure valve	CPCONLY	F15B2211/555		213
F15B2211/56	9	Control of an upstream pressure	CPCONLY	F15B2211/56		89
F15B2211/565	9	Control of a downstream pressure	CPCONLY	F15B2211/565		145
F15B2211/57	9	Control of a differential pressure	CPCONLY	F15B2211/57		370
F15B2211/575	9	Pilot pressure control	CPCONLY	F15B2211/575		300
F15B2211/5753	10	for closing a valve	CPCONLY	F15B2211/5753		78
F15B2211/5756	10	for opening a valve	CPCONLY	F15B2211/5756		78
F15B2211/60	8	Circuit components or control therefor	CPCONLY	F15B2211/60		45
F15B2211/605	9	Load sensing circuits	CPCONLY	F15B2211/605		165
F15B2211/6051	10	having valve means between output member and the load sensing circuit	CPCONLY	F15B2211/6051		290
F15B2211/6052	11	using check valves	CPCONLY	F15B2211/6052		225
F15B2211/6054	11	using shuttle valves	CPCONLY	F15B2211/6054		571
F15B2211/6055	11	using pressure relief valves	CPCONLY	F15B2211/6055		273
F15B2211/6057	11	using directional control valves	CPCONLY	F15B2211/6057		125
F15B2211/6058	10	with isolator valves	CPCONLY	F15B2211/6058		105
F15B2211/61	9	Secondary circuits	CPCONLY	F15B2211/61		62
F15B2211/611	10	Diverting circuits, e.g. for cooling or filtering	CPCONLY	F15B2211/611		311
F15B2211/613	10	Feeding circuits	CPCONLY	F15B2211/613		397
F15B2211/615	9	Filtering means	CPCONLY	F15B2211/615		849
F15B2211/62	9	Cooling or heating means	CPCONLY	F15B2211/62		751
F15B2211/625	9	Accumulators	CPCONLY	F15B2211/625		1065
F15B2211/63	9	Electronic controllers	CPCONLY	F15B2211/63		129
F15B2211/6303	10	using input signals	CPCONLY	F15B2211/6303		223
F15B2211/6306	11	representing a pressure	CPCONLY	F15B2211/6306		659
F15B2211/6309	12	the pressure being a pressure source supply pressure	CPCONLY	F15B2211/6309		1025
F15B2211/6313	12	the pressure being a load pressure	CPCONLY	F15B2211/6313		1439
F15B2211/6316	12	the pressure being a pilot pressure	CPCONLY	F15B2211/6316		284
F15B2211/632	11	representing a flow rate	CPCONLY	F15B2211/632		107
F15B2211/6323	12	the flow rate being a pressure source flow rate	CPCONLY	F15B2211/6323		99
F15B2211/6326	12	the flow rate being an output member flow rate	CPCONLY	F15B2211/6326		111
F15B2211/633	11	representing a state of the prime mover, e.g. torque or rotational speed	CPCONLY	F15B2211/633		431
F15B2211/6333	11	representing a state of the pressure source, e.g. swash plate angle	CPCONLY	F15B2211/6333		177
F15B2211/6336	11	representing a state of the output member, e.g. position, speed or acceleration	CPCONLY	F15B2211/6336		1356
F15B2211/634	11	representing a state of a valve	CPCONLY	F15B2211/634		307
F15B2211/6343	11	representing a temperature	CPCONLY	F15B2211/6343		421
F15B2211/6346	11	representing a state of input means, e.g. joystick position	CPCONLY	F15B2211/6346		948
F15B2211/635	9	Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements	CPCONLY	F15B2211/635		110
F15B2211/6355	10	having valve means	CPCONLY	F15B2211/6355		1397
F15B2211/65	9	Methods of control of the load sensing pressure	CPCONLY	F15B2211/65		135
F15B2211/651	10	characterised by the way the load pressure is communicated to the load sensing circuit	CPCONLY	F15B2211/651		61
F15B2211/652	10	the load sensing pressure being different from the load pressure	CPCONLY	F15B2211/652		28
F15B2211/653	10	the load sensing pressure being higher than the load pressure	CPCONLY	F15B2211/653		43
F15B2211/654	10	the load sensing pressure being lower than the load pressure	CPCONLY	F15B2211/654		79
F15B2211/655	9	Methods of contamination control, i.e. methods of control of the cleanliness of circuit components or of the pressure fluid	CPCONLY	F15B2211/655		85
F15B2211/66	9	Temperature control methods	CPCONLY	F15B2211/66		147
F15B2211/665	9	Methods of control using electronic components	CPCONLY	F15B2211/665		552
F15B2211/6651	10	Control of the prime mover, e.g. control of the output torque or rotational speed	CPCONLY	F15B2211/6651		667
F15B2211/6652	10	Control of the pressure source, e.g. control of the swash plate angle	CPCONLY	F15B2211/6652		653
F15B2211/6653	10	Pressure control	CPCONLY	F15B2211/6653		542
F15B2211/6654	10	Flow rate control	CPCONLY	F15B2211/6654		659
F15B2211/6655	10	Power control, e.g. combined pressure and flow rate control	CPCONLY	F15B2211/6655		89
F15B2211/6656	10	Closed loop control, i.e. control using feedback	CPCONLY	F15B2211/6656		579
F15B2211/6657	10	Open loop control, i.e. control without feedback	CPCONLY	F15B2211/6657		28
F15B2211/6658	10	Control using different modes, e.g. four-quadrant-operation, working mode and transportation mode	CPCONLY	F15B2211/6658		392
F15B2211/67	9	Methods for controlling pilot pressure	CPCONLY	F15B2211/67		411
F15B2211/70	8	Output members, e.g. hydraulic motors or cylinders or control therefor	CPCONLY	F15B2211/70		45
F15B2211/705	9	characterised by the type of output members or actuators	CPCONLY	F15B2211/705		68
F15B2211/7051	10	Linear output members	CPCONLY	F15B2211/7051		869
F15B2211/7052	11	Single-acting output members	CPCONLY	F15B2211/7052		1167
F15B2211/7053	11	Double-acting output members	CPCONLY	F15B2211/7053		2654
F15B2211/7054	12	Having equal piston areas	CPCONLY	F15B2211/7054		378
F15B2211/7055	11	having more than two chambers	CPCONLY	F15B2211/7055		458
F15B2211/7056	12	Tandem cylinders	CPCONLY	F15B2211/7056		159
F15B2211/7057	11	being of the telescopic type	CPCONLY	F15B2211/7057		97
F15B2211/7058	10	Rotary output members	CPCONLY	F15B2211/7058		1395
F15B2211/71	9	Multiple output members, e.g. multiple hydraulic motors or cylinders	CPCONLY	F15B2211/71		1705
F15B2211/7107	10	the output members being mechanically linked	CPCONLY	F15B2211/7107		411
F15B2211/7114	10	with direct connection between the chambers of different actuators	CPCONLY	F15B2211/7114		55
F15B2211/7121	11	the chambers being connected in series	CPCONLY	F15B2211/7121		157
F15B2211/7128	11	the chambers being connected in parallel	CPCONLY	F15B2211/7128		531
F15B2211/7135	10	Combinations of output members of different types, e.g. single-acting cylinders with rotary motors	CPCONLY	F15B2211/7135		464
F15B2211/7142	10	the output members being arranged in multiple groups	CPCONLY	F15B2211/7142		984
F15B2211/715	9	having braking means	CPCONLY	F15B2211/715		175
F15B2211/72	9	having locking means	CPCONLY	F15B2211/72		207
F15B2211/75	9	Control of speed of the output member	CPCONLY	F15B2211/75		1175
F15B2211/755	9	Control of acceleration or deceleration of the output member	CPCONLY	F15B2211/755		457
F15B2211/76	9	Control of force or torque of the output member	CPCONLY	F15B2211/76		760
F15B2211/761	10	Control of a negative load, i.e. of a load generating hydraulic energy	CPCONLY	F15B2211/761		401
F15B2211/763	10	Control of torque of the output member by means of a variable capacity motor, i.e. by a secondary control on the motor	CPCONLY	F15B2211/763		69
F15B2211/765	9	Control of position or angle of the output member	CPCONLY	F15B2211/765		210
F15B2211/7653	10	at distinct positions, e.g. at the end position	CPCONLY	F15B2211/7653		82
F15B2211/7656	10	with continuous position control	CPCONLY	F15B2211/7656		131
F15B2211/77	9	Control of direction of movement of the output member	CPCONLY	F15B2211/77		60
F15B2211/7708	10	in one direction only	CPCONLY	F15B2211/7708		17
F15B2211/7716	10	with automatic return	CPCONLY	F15B2211/7716		168
F15B2211/7725	10	with automatic reciprocation	CPCONLY	F15B2211/7725		102
F15B2211/7733	10	providing vibrating movement, e.g. dither control for emptying a bucket	CPCONLY	F15B2211/7733		38
F15B2211/7741	10	with floating mode, e.g. using a direct connection between both lines of a double-acting cylinder	CPCONLY	F15B2211/7741		73
F15B2211/775	9	Combined control, e.g. control of speed and force for providing a high speed approach stroke with low force followed by a low speed working stroke with high force, e.g. for a hydraulic press	CPCONLY	F15B2211/775		461
F15B2211/78	9	Control of multiple output members	CPCONLY	F15B2211/78		599
F15B2211/781	10	one or more output members having priority	CPCONLY	F15B2211/781		460
F15B2211/782	10	Concurrent control, e.g. synchronisation of two or more actuators	CPCONLY	F15B2211/782		418
F15B2211/783	10	Sequential control	CPCONLY	F15B2211/783		133
F15B2211/785	9	Compensation of the difference in flow rate in closed fluid circuits using differential actuators	CPCONLY	F15B2211/785		158
F15B2211/80	8	Other types of control related to particular problems or conditions	CPCONLY	F15B2211/80		18
F15B2211/85	9	Control during special operating conditions	CPCONLY	F15B2211/85		202
F15B2211/851	10	during starting	CPCONLY	F15B2211/851		227
F15B2211/853	10	during stopping	CPCONLY	F15B2211/853		185
F15B2211/855	9	Testing of fluid pressure systems	CPCONLY	F15B2211/855		283
F15B2211/857	9	Monitoring of fluid pressure systems	CPCONLY	F15B2211/857		493
F15B2211/86	9	Control during or prevention of abnormal conditions	CPCONLY	F15B2211/86		185
F15B2211/8603	10	the abnormal condition being an obstacle	CPCONLY	F15B2211/8603		32
F15B2211/8606	10	the abnormal condition being a shock	CPCONLY	F15B2211/8606		239
F15B2211/8609	10	the abnormal condition being cavitation	CPCONLY	F15B2211/8609		225
F15B2211/8613	10	the abnormal condition being oscillations	CPCONLY	F15B2211/8613		265
F15B2211/8616	10	the abnormal condition being noise or vibration	CPCONLY	F15B2211/8616		201
F15B2211/862	10	the abnormal condition being electric or electronic failure	CPCONLY	F15B2211/862		82
F15B2211/8623	11	Electric supply failure	CPCONLY	F15B2211/8623		120
F15B2211/8626	11	Electronic controller failure, e.g. software, EMV, electromagnetic interference	CPCONLY	F15B2211/8626		28
F15B2211/863	10	the abnormal condition being a hydraulic or pneumatic failure	CPCONLY	F15B2211/863		188
F15B2211/8633	11	Pressure source supply failure	CPCONLY	F15B2211/8633		183
F15B2211/8636	11	Circuit failure, e.g. valve or hose failure	CPCONLY	F15B2211/8636		410
F15B2211/864	11	Failure of an output member, e.g. actuator or motor failure	CPCONLY	F15B2211/864		129
F15B2211/8643	10	the abnormal condition being a human failure	CPCONLY	F15B2211/8643		57
F15B2211/8646	10	the abnormal condition being hysteresis	CPCONLY	F15B2211/8646		24
F15B2211/865	9	Prevention of failures	CPCONLY	F15B2211/865		239
F15B2211/87	9	Detection of failures	CPCONLY	F15B2211/87		388
F15B2211/875	9	Control measures for coping with failures	CPCONLY	F15B2211/875		137
F15B2211/8752	10	Emergency operation mode, e.g. fail-safe operation mode	CPCONLY	F15B2211/8752		383
F15B2211/8755	10	Emergency shut-down	CPCONLY	F15B2211/8755		172
F15B2211/8757	10	using redundant components or assemblies	CPCONLY	F15B2211/8757		346
F15B2211/88	9	Control measures for saving energy	CPCONLY	F15B2211/88		962
F15B2211/885	9	Control specific to the type of fluid, e.g. specific to magnetorheological fluid	CPCONLY	F15B2211/885		54
F15B2211/8855	10	Compressible fluids, e.g. specific to pneumatics	CPCONLY	F15B2211/8855		847
F15B2211/89	9	Control specific for achieving vacuum or "negative pressure"	CPCONLY	F15B2211/89		73
F15B2211/895	9	Manual override	CPCONLY	F15B2211/895		95
F15B2215/00	7	Fluid-actuated devices for displacing a member from one position to another	CPCONLY	F15B2215/00		13
F15B2215/30	8	Constructional details thereof	CPCONLY	F15B2215/30		672
F15B2215/305	9	characterised by the use of special materials	CPCONLY	F15B2215/305		218
