| Patents for F15B 13 - Details of servomotor systems (18,792) |
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| 04/17/2013 | CN202883519U Antilock tipping cover opening device hydraulic system |
| 04/17/2013 | CN202882880U Back pressure adjusting device of full-sleeve full-slewing drilling machine |
| 04/17/2013 | CN202882879U Pressure gear shifting device of full-sleeve full-slewing drilling machine |
| 04/17/2013 | CN202882752U Back pressure protector of full-sleeve full-slewing drilling machine |
| 04/17/2013 | CN103047217A Multi-reversing valve parallel air control device |
| 04/17/2013 | CN103047216A Pressure induction regeneration balance valve device for crane telescopic boom cylinder |
| 04/17/2013 | CN103047215A Radial flow two-stage disc type magneto-rheological valve |
| 04/17/2013 | CN103047214A Proportional flow priority control valve of hydraulic excavator |
| 04/17/2013 | CN103047213A Hydraulic rectifying valve and control method |
| 04/17/2013 | CN103047212A Hydraulic control reversing valve |
| 04/17/2013 | CN103047211A Two-position four-way solenoid globe reversing valve |
| 04/17/2013 | CN103047210A Electrohydraulic control device for hydraulic distributor |
| 04/17/2013 | CN103047209A Travel proportional control valve and travel proportional control device |
| 04/17/2013 | CN103047208A Load-sensitive electro-hydraulic proportional multi-way valve |
| 04/17/2013 | CN103047207A Flow dividing and collecting valve bank, hydraulic system, load sensitive type hydraulic system and engineering machine |
| 04/17/2013 | CN103047205A Method, system and engineering machinery for synchronously controlling multiple oil cylinders |
| 04/17/2013 | CN103047202A Hydraulic system of comprehensive experiment platform |
| 04/17/2013 | CN103046607A Engineering machine, rapid oil return control system and rapid oil return control method |
| 04/17/2013 | CN102155446B Segmental control integration-type electro-hydraulic digital valve |
| 04/17/2013 | CN102022394B Integral manual multi-way reversing valve |
| 04/16/2013 | US8418958 Landing gear actuation control system |
| 04/16/2013 | US8418722 Pressure-regulator servovalve with reduced leakage rate |
| 04/11/2013 | WO2013052430A1 Hydraulic system bi-directional regeneration |
| 04/11/2013 | WO2013051740A1 Control system for operating work device for construction machine |
| 04/11/2013 | US20130087411 Selectable flow divider drive system |
| 04/11/2013 | DE102011084096A1 Adapter für eine Anordnung mit einem Ventil und einem Stellgerät Adapter for an arrangement with a valve and an actuating device |
| 04/10/2013 | EP2578818A1 Control valve with integrated filter and cam shaft phase adjuster with the control valve |
| 04/10/2013 | EP2577137A2 Piston bores and methods of manufacturing piston bores for a series progressive divider valve |
| 04/10/2013 | EP2577136A2 Double-sealed cross-port fitting for series progressive divider valve |
| 04/10/2013 | EP2577135A2 Bypass piston port and methods of manufacturing a bypss piston port for a series progressive divider valve |
| 04/10/2013 | EP2577134A2 Piston bore undercut and methods of manufacturing a piston bore undercut for a series progressive divider valve |
| 04/10/2013 | EP2577122A1 Multi-way valve and method for operating the same |
| 04/10/2013 | CN202867394U Energy-saving shell breaking cylinder used in electrolytic aluminum industry |
| 04/10/2013 | CN202867387U Multilevel arm support synchronous hydraulic expansion device and engineering machinery provided with the same |
| 04/10/2013 | CN202867386U Drill loader hydraulic anti-jamming control system |
| 04/10/2013 | CN202867385U Overload valve |
| 04/10/2013 | CN202867384U Overflow valve |
| 04/10/2013 | CN202867383U Controlled oil-in reducing valve of rubber forming device |
| 04/10/2013 | CN202867382U Water pressure test pressure-relief device with multi-stage control ports |
| 04/10/2013 | CN202867381U Hydraulic block with proportion constant tension |
| 04/10/2013 | CN202867380U Single-circulation control valve |
| 04/10/2013 | CN202867379U Piece valve body |
| 04/10/2013 | CN202867378U Flow distribution device |
| 04/10/2013 | CN202867377U Multi-station hydraulic control valve |
| 04/10/2013 | CN202867376U Hydraulic control valve |
| 04/10/2013 | CN202867375U Pipe type back pressure valve plug-in |
| 04/10/2013 | CN202867374U Pipe type back pressure valve |
| 04/10/2013 | CN202867373U Integrated air valve |
| 04/10/2013 | CN202867372U Novel integral type manual multi-way valve |
| 04/10/2013 | CN202867371U Cushion valve |
| 04/10/2013 | CN202867370U Rotation and variation amplitude oil hydraulic circuit used for hydraulic pressure drilling carriage |
| 04/10/2013 | CN202867073U Hydraulic locking device with open degree limiting function |
| 04/10/2013 | CN202866650U External unlocking boosting control loop |
| 04/10/2013 | CN103038519A Priority valve assembly and method for operating a priority valve assembly |
| 04/10/2013 | CN103032402A Automatic positioning valve of hydraulic rotary device, rotary hydraulic system and engineering machinery |
| 04/10/2013 | CN103032401A Unloading starting hydraulic valve |
| 04/10/2013 | CN103032400A Novel valve core with spring seat |
| 04/10/2013 | CN103032399A Integrated valve bank for coal mining machine |
| 04/10/2013 | CN103032398A Ball control flow jet type high-frequency electrohydraulic digital valve |
| 04/10/2013 | CN103032394A Hydraulic system of pipe rolling device and rotary-excavating drilling machine |
| 04/10/2013 | CN102336363B Crane and its load sensitive hydraulic control system |
| 04/10/2013 | CN102121486B Energy-saving high-speed switch valve for hydraulic transmission |
| 04/10/2013 | CN102102689B Hydraulic one-way valve |
| 04/10/2013 | CN102094861B Multi-pump concurrent flow hydraulic system for crane and concurrent valve bank |
| 04/10/2013 | CN102072217B Double-acting automatic pressure increasing valve |
| 04/10/2013 | CN102032230B Throttling valve |
| 04/10/2013 | CN101476635B Assembly tooling method and device used for directly operated electrohydraulic servo valve armature iron component |
| 04/09/2013 | US8413679 Modular control device, especially of an electro-fluidic type |
| 04/09/2013 | US8413437 Transmission hydraulic control system having independently controlled stator cooling flow |
| 04/04/2013 | WO2013049573A2 Pre- and post - compensational valve arrangement |
| 04/04/2013 | WO2013048895A1 Closed-loop hydraulic system having energy recovery |
| 04/04/2013 | WO2013048803A1 Meterless hyrdraulic system having pump protection |
| 04/04/2013 | WO2013048796A1 Meterless hydraulic system having multi-actuator circuit |
| 04/04/2013 | WO2013048745A1 Meterless hydraulic system having multi-actuator circuit |
| 04/04/2013 | WO2013048712A1 Regeneration configuration for closed-loop hydraulic systems |
| 04/04/2013 | US20130081839 Hydraulically operated tool with relief valve assembly |
| 04/04/2013 | US20130081725 Time delay valve |
| 04/04/2013 | US20130081384 Meterless hydraulic system having pump protection |
| 04/04/2013 | DE112008001124B4 Regelventil Control valve |
| 04/04/2013 | DE10224732B4 Gehäusedeckel für eine Steuerventileinrichtung Housing cover for a control valve device |
| 04/04/2013 | DE102006039351B4 Handschaltventil eines Hydraulikdrucksteuersystems eines Automatikgetriebes Manual shift valve of a hydraulic pressure control system of an automatic transmission |
| 04/04/2013 | DE102004038380B4 Pilotventil, insbesondere für Servoventile Pilot valve, in particular for servo-valves |
| 04/04/2013 | DE102004016393B4 Stauventil Backup valve |
| 04/03/2013 | EP2574797A2 Rotary control valve |
| 04/03/2013 | CN202851502U Valve bank used for series-parallel switch of multiple quantification hydraulic pressure motor |
| 04/03/2013 | CN202851501U Cylinder internally-arranged hydraulic control one-way valve structure |
| 04/03/2013 | CN202851500U Reliever capable of detecting oil cavity pressure in same direction and used for rubber molder |
| 04/03/2013 | CN202851499U Reliever with a plurality of oil outlet cavity branches and used for water pressure test |
| 04/03/2013 | CN202851498U Double-oil-way reducing valve of rubber forming equipment |
| 04/03/2013 | CN202851497U Reliever used for pressure test of injected water in steel tube |
| 04/03/2013 | CN202851496U Pressure reducing device for water pressure test of rubber forming equipment |
| 04/03/2013 | CN202851495U Hydraulic system valve switching device and crawler crane purpose hydraulic system |
| 04/03/2013 | CN202851494U Pilot-operated type overflow valve |
| 04/03/2013 | CN202851493U Threaded inserted type counterbalance valve |
| 04/03/2013 | CN202851492U Threaded inserted type manual unloading valve |
| 04/03/2013 | CN202851491U Load-sensitive multi-way valve used in loader variable system |
| 04/03/2013 | CN202851490U General control multiple directional control valve |
| 04/03/2013 | CN202851489U Hydraulic proportional overflow valve |
| 04/03/2013 | CN202851488U Bi-direction hydraulic lock and landing leg control system and construction vehicle |
| 04/03/2013 | CN202851484U Hydraulic lift system of high-low pressure controlled trolley |