| Patents for F15B 21 - Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass (10,959) |
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| 01/16/2013 | CN202673875U Ultrahigh pressure booster device |
| 01/16/2013 | CN202673874U Constant-pressure variable control system of load sensitive hydraulic pump |
| 01/16/2013 | CN202673873U Hydraulic cylinder and valve block split-type connection device |
| 01/16/2013 | CN202673805U Overpressure protection liquid level meter |
| 01/16/2013 | CN202672946U Shielding door control system and device thereof |
| 01/16/2013 | CN202672015U Novel hydraulic circuit for supplying oil to fluctuation of milling machine rear scraper cylinder |
| 01/16/2013 | CN102883865A Method for operating a hybrid drive and hybrid drive |
| 01/16/2013 | CN102881394A La (Fe, Si) 13-based magnetic material prepared by intermediate product obtained from purification of rare earth, preparation method and application |
| 01/16/2013 | CN102878152A Hydraulic system and method and device for controlling power of hydraulic system |
| 01/16/2013 | CN102878143A Self-cleaning oil recharging lockup valve of combination type hydraulic cylinder |
| 01/16/2013 | CN102878140A Hydraulic distributer |
| 01/16/2013 | CN102878129A 液压系统 Hydraulic system |
| 01/16/2013 | CN102878123A Engineering machinery and hydraulic oil tank thereof |
| 01/16/2013 | CN102871402A Hypnotic snore relieving bed |
| 01/16/2013 | CN102080679B Novel high-frequency electro-hydraulic flutter generator |
| 01/16/2013 | CN101858373B High-frequency electrohydraulic fluttering generator |
| 01/15/2013 | CA2781282C Energy storage system including pressurized reservoir |
| 01/15/2013 | CA2679688C Telescopic actuator with main rod and auxiliary rod |
| 01/10/2013 | WO2013005809A1 Shovel and control method of shovel |
| 01/10/2013 | WO2013004521A2 Module for a braking system, such as a coil box module comprising a housing and a connector |
| 01/10/2013 | DE112011101065T5 Steuersystem für eine Hybrid-Baumaschine A control system for a hybrid construction machine |
| 01/10/2013 | DE102011107263A1 Hydraulische Betätigungsvorrichtung für die Betätigung eines oder mehrerer Stellglieder in insbesondere einem Kraftfahrzeuggetriebe Hydraulic actuating device for the actuation of one or more actuators in particular a motor vehicle transmission |
| 01/10/2013 | DE102011106715A1 Hydro-static drive system for use in rotary drive motor of rotary drive of mobile working machine i.e. excavator, has hydraulic accumulator attached to delivery line of pump, where delivery line is guided to directional valve |
| 01/10/2013 | DE102011106672A1 Energy recovering hydraulic cylinder for e.g. excavator, has cylinder tube partly formed in double-structure and with intermediate region serving as gas remaining storage chamber staying in fluid-transmissive connection with stroke chamber |
| 01/09/2013 | EP2543893A2 Connection device for filling and emptying a fluid tank and a fluid tank fitted with such a connection device, in particular for an industrial truck |
| 01/09/2013 | CN202661898U Intelligent control system for hydraulic oil temperature in hydraulic system |
| 01/09/2013 | CN202659639U High-accuracy high-efficiency intelligent closed-loop servo pump control system |
| 01/09/2013 | CN202659638U Hydraulic cylinder filter of injection molding machine |
| 01/09/2013 | CN202659637U Filter of hydraulic cylinder of injection molding machine |
| 01/09/2013 | CN202659636U Temperature reducing device for hydraulic system of harvest machinery and harvest machinery |
| 01/09/2013 | CN202659635U Standby unloading device of hydraulic oil source system |
| 01/09/2013 | CN202659634U Return oil backpressure loop for lowly placed hydraulic system of oil tank |
| 01/09/2013 | CN202659633U Double-pump flow automatic control system |
| 01/09/2013 | CN202659604U Hydraulic system with adjustable pressure flow closed loop |
| 01/09/2013 | CN102869601A Energy recovery system for an electromotive forklift truck |
| 01/09/2013 | CN102865359A Hydraulic actuation device for actuating positioning members in motor vehicle transmission |
| 01/09/2013 | CN102865273A Engineering machinery and hydraulic control system thereof |
| 01/09/2013 | CN102865272A Hydraulic device |
| 01/09/2013 | CN102865261A Hydrostatic driving system |
| 01/09/2013 | CN102862094A Hydraulic servo system controlled by numerical control system |
| 01/09/2013 | CN102297182B Control methods of hydraulic system and concrete pump truck |
| 01/09/2013 | CN102268497B Safety control method for TRT (Blast Furnace Top Gas Recovery Turbine Unit) fixed blade servo control system |
| 01/09/2013 | CN101787991B Gap compensation method for servo control system |
| 01/09/2013 | CN101782093B Dustproof method and device thereof of open type oil tank of hydraulic system |
| 01/09/2013 | CN101029584B Vehicle fluid change apparatus and method |
| 01/08/2013 | CA2660090C Hybrid vehicle |
| 01/03/2013 | WO2013000549A2 Pressure medium system, in particular hydraulic system |
| 01/03/2013 | WO2012145290A3 Load holding for meterless control of actuators |
| 01/03/2013 | US20130000295 Vehicle with primary and secondary air system control for electric power take off capability |
| 01/02/2013 | EP2540917A1 Control device for hybrid construction machine |
| 01/02/2013 | EP2540588A1 Module for a braking system, such as a coil box module comprising a housing and a connector |
| 01/02/2013 | EP2539594A1 Device and method for controlling a fluid actuator |
| 01/02/2013 | CN202646245U Hydraulic control device |
| 01/02/2013 | CN202646244U Hydraulic system for oil pumping unit |
| 01/02/2013 | CN202646243U Oil absorption filter with reversible flow direction |
| 01/02/2013 | CN202646242U Steering liquid filtering device for hydraulic assisting system |
| 01/02/2013 | CN202646241U A positional arrangement of a cooler of a hydraulic pump station |
| 01/02/2013 | CN202646240U Hydraulic drive device for downhole oil well pump |
| 01/02/2013 | CN202646239U Recycling stretching mechanism for leaked oil of oil cylinder |
| 01/02/2013 | CN202646238U Marine pump station device |
| 01/02/2013 | CN202646237U Oil source device for hydraulic system |
| 01/02/2013 | CN202646236U Ultrahigh pressure pneumatic hydraulic station |
| 01/02/2013 | CN202646235U Small flow hyperpressure hydraulic pressure workstation |
| 01/02/2013 | CN202646213U Differential pressure circuit hydraulic system |
| 01/02/2013 | CN202646201U Hydraulic control system for cement brick press and circuit control system thereof |
| 01/02/2013 | CN202646191U Slide-cover open hydraulic oil tank |
| 01/02/2013 | CN202646189U Mining energy-saving energy-accumulation emulsion pump station |
| 01/02/2013 | CN202645602U Anchor cable tensioning device |
| 01/02/2013 | CN202645532U Hydraulic control system for free-falling hook device of rotary drilling rig |
| 01/02/2013 | CN202644634U Regenerating energy-saving load sense flow controlling hydraulic system |
| 01/02/2013 | CN202644609U Full hydraulic bulldozer traveling driving hydraulic device |
| 01/02/2013 | CN202642039U Oil pump device of cablelifter |
| 01/02/2013 | CN202638121U Double precision combination filter cartridge with bypass valve |
| 01/02/2013 | CN102859468A Fluidic actuator and display device having fluidic actuators |
| 01/02/2013 | CN102859081A Pump suction charging system |
| 01/02/2013 | CN102852911A 自适应液压系统 Adaptive hydraulic system |
| 01/02/2013 | CN102852910A Hydraulic cooling loop system |
| 01/02/2013 | CN102852909A Radiating device of automatic protection hydraulic loop of spreading machine |
| 01/02/2013 | CN102852908A Online filter system of hydraulic oil for caterpillar bulldozer |
| 01/02/2013 | CN102852907A 太阳能液压站 Solar hydraulic station |
| 01/02/2013 | CN102852906A Overhead hydraulic pump motor set oil drainage device for solar hydraulic station |
| 01/02/2013 | CN102852873A Bidirectional constant-speed internal-circulation hydraulic system |
| 01/02/2013 | CN102003430B Hydraulic cylinder |
| 01/02/2013 | CN101936313B Multifunctional hydraulic oil tank breathing device |
| 01/02/2013 | CN101705957B Self-cleaning hydraulic oil-returning filtering device |
| 01/02/2013 | CN101550856B Method and system for performing, monitoring and analizing multiple machine fluid processes |
| 12/27/2012 | WO2012176762A1 Railcar damping device |
| 12/27/2012 | WO2012176758A1 Railcar damping device |
| 12/27/2012 | WO2012175100A1 Actuating device for variably setting a compression ratio of an internal combustion engine |
| 12/27/2012 | WO2012154463A3 Method,apparatus,and computer-readable storage medium for controlling torque load of multiple variable displacement hydraulic pumps |
| 12/27/2012 | US20120324875 Optimized system response with multiple commands |
| 12/27/2012 | DE112011100649T5 Steuersystem für eine Hybrid-Baumaschine A control system for a hybrid construction machine |
| 12/27/2012 | DE112010003299T5 Steuerung für die Ölbetriebstemperatur einer hydraulischen Antriebseinrichtung Control for the oil operating temperature of a hydraulic drive device |
| 12/27/2012 | DE102011105540A1 Versorgungsvorrichtung und Verfahren zum Betrieb eines Verbrauchers unter Einsatz einer Versorgungsvorrichtung Supply apparatus and method for operating a consumer using a supply device |
| 12/27/2012 | DE102011104934A1 Stelleinrichtung zum variablen Einstellen eines Verdichtungsverhältnisses einer Verbrennungskraftmaschine Setting means for variably setting a compression ratio of an internal combustion engine |
| 12/26/2012 | EP2536957A1 Device for providing a supply pressure |
| 12/26/2012 | CN202628688U Boarding rotating energy recycling system |
| 12/26/2012 | CN202628687U Energy-saving system for working device |
| 12/26/2012 | CN202628686U Intelligent hydraulic power supply capable of outputting power in coincidence with load changes |
| 12/26/2012 | CN202628685U Hydraulic pump station with tubular radiator |