Patents
Sitemap › F15 - Fluid-pressure actuators; Hydraulics or pneumatics in general › F15B - Systems acting by means of fluids in general; Fluid-pressure actuators, e.g. servomotors; Details of fluid-pressure systems, not otherwise provided for › F15B 11 - Servomotor systems without provision for follow-up action
Patents for F15B 11 - Servomotor systems without provision for follow-up action (16,384)
05/2014
05/15/2014DE102012220863A1 Control arrangement for driving e.g. hydraulic cylinder for e.g. hydraulic excavators, has control surface of pilot or primary stage of directly or servo-controlled lowering brake valve device acted upon by return control pressure
05/15/2014DE102012220445A1 Hydraulic control device for hydraulic drive, has pressure relief valves switched parallel to each other, where fluidic connection of pressure relief valve with medium-sink is enhanced based on driving direction of actuator
05/15/2014DE102012110978A1 Hydrostatisches Antriebssystem Hydrostatic drive system
05/15/2014DE102012022265A1 Method for controlling e.g. axial piston pump for appropriate power supply in fluid system, involves filtering fluid guided by control line from fluid system prior to entry into controller of displacement pump through control line
05/15/2014DE102012022018A1 Hydraulische Steueranordnung an Arbeitsorganen einer landwirtschaftlichen Maschine The hydraulic control arrangement of working members of an agricultural machine
05/15/2014DE102012015356A1 Ventil, insbesondere vorgesteuertes Proportional-Wegesitzventil Valve, in particular pilot operated proportional directional valve seat
05/14/2014EP2730157A1 Hydraulic control arrangement on the working equipment of an agricultural machine
05/14/2014CN203594837U 一种气动换向阀及气压式抗倾水舱 One kind of pneumatic valve and pneumatic anti-dumping water tanks
05/14/2014CN203594638U 一种全液压钻机新型给进液压系统 An all-hydraulic drill new feed hydraulic system
05/14/2014CN203593589U 一种电动双驱全向前移式叉车的液压系统 An electric double omni-directional reach truck driven hydraulic system
05/14/2014CN103790876A 一种闭式液压传动系统 One kind of closed hydraulic drive system
05/14/2014CN103790875A 一种允许能量回收的液压传动系统 A technology that allows energy recovery hydraulic transmission
05/14/2014CN103790874A 无阀液压伺服系统及其控制方法 Valveless hydraulic servo system and control method
05/14/2014CN103790873A 液压驱动装置及系统 Hydraulic drive device and system
05/14/2014CN103790870A 一种新型液压张紧装置液压控制系统 A new hydraulic tensioner hydraulic control system
05/14/2014CN103787244A 高空作业车调平装置液压回路 Aerial leveling device hydraulic circuit
05/14/2014CN103787242A 高空作业车作业臂变幅和回转液压回路 Aerial operations arm luffing and slewing hydraulic circuit
05/13/2014US8725358 Working vehicle, control device for working vehicle, and hydraulic oil amount control method for working vehicle
05/13/2014CA2647090C Universal control scheme for mobile hydraulic equipment and method for achieving the same
05/08/2014WO2014069435A1 Cylinder control device
05/08/2014WO2014069065A1 Shovel
05/08/2014WO2014068973A1 Hydraulic pressure control device
05/08/2014US20140124299 Electro-hydraulic actuator (eha) for pallet truck
05/08/2014US20140123847 Hydraulic excavator
05/08/2014DE112012003474T5 Hydraulisches Antriebssystem Hydraulic drive system
05/08/2014DE102012021594A1 Valve device for use in construction machinery with hydraulic control of working cylinder and drive motors, has valve housing with power connector for connection to hydraulic consumer, return port, pump channel, and back pressure channel
05/07/2014EP2728204A1 Construction machine
05/07/2014EP2726746A2 Hydraulic control system having swing energy recovery
05/07/2014CN203584935U 喷射机喷头控制系统及喷射机 Jet nozzle control system and the Jets
05/07/2014CN203584934U 双腔增压的油缸装置 Dual-chamber pressurized cylinder device
05/07/2014CN203584933U 轴承寿命试验机的气动控制系统 Pneumatic control system bearing life testing machine
05/07/2014CN203584932U 两液压马达主从速度同步系统的泵站 Pumping from the two main hydraulic motor speed synchronization system
05/07/2014CN203584931U 自动防卡钻液压系统 Automatic anti-sticking hydraulic system
05/07/2014CN203584930U 预应力张拉液压系统以及预应力张拉设备 Prestressed tension prestressed tension hydraulic systems and equipment
05/07/2014CN203584929U 一种航空发动机试车台液压泵负荷系统 Aeronautical engine test pump system load
05/07/2014CN203584928U 一种防止静水压试验机高位油箱喷油的装置 A high hydrostatic pressure testing machine injection device to prevent fuel tank
05/07/2014CN203582368U 拖曳绞车应急释放液压控制回路 Towing winch emergency release hydraulic control circuit
05/07/2014CN203582302U 控制阀组、液压控制系统与汽车起重机 Control valve, hydraulic control system and truck cranes
05/07/2014CN103781972A 挖土机以及挖土机的控制方法 The control method backhoe and excavator
05/07/2014CN103775418A 一种液压机双缸同步装置 A hydraulic cylinder machine synchronization device
05/07/2014CN103775403A 静液压驱动系统 Hydrostatic drive system
05/07/2014CN103775402A 液压阀装置和具有这样的液压阀装置的液压机械装置 Hydraulic valve means and the hydraulic mechanism having a hydraulic valve device such
05/07/2014CN103775401A 用于液压轴的液压回路和液压轴 For the hydraulic circuit and hydraulic axis hydraulic axes
05/07/2014CN103775400A 等压能量场真空气动马达 Isobaric energy field vacuum Qidongmada
05/07/2014CN103775399A 用于隧道加载试验平台的液压系统 Hydraulic systems for load test platform tunnel
05/07/2014CN103775302A 压裂车及其传动输送系统 Fracturing car and drive delivery system
05/07/2014CN103775031A 一种主副油缸式液压抽油机 A master-cylinder hydraulic pumping unit deputy
05/07/2014CN102588361B 液压系统 Hydraulic System
05/07/2014CN102464096B 一种用于海上井口平台防撞击保护的重大安全装置 Significant safety device for offshore wellhead platform anti-shock protection
05/01/2014WO2014066627A1 Hydraulic high pressure valve controller using the in-situ pressure difference
04/2014
04/30/2014EP2725239A1 Hydraulic control valve for construction machinery
04/30/2014EP2725238A2 Unloading valve for a main and an auxilliary pump
04/30/2014EP2724852A2 Hydraulic press
04/30/2014EP2724002A1 Fluid flow control device for internal combustion piston engine
04/30/2014DE112010002422B4 Arbeitsmaschine und Steuerverfahren für Arbeitsmaschinen Machine and control method for working machines
04/30/2014DE102012021207A1 Hydrostatische Stellschaltung sowie deren Verwendung Hydrostatic detection circuit and their use
04/30/2014CN203570732U Hydraulic system capable of being accurately controlled
04/30/2014CN203570722U Gate-type bucket wheel machine hoisting mechanism hydraulic system achieving synchronous and stable operation of walking beams
04/30/2014CN203570721U Gate-type bucket-wheel material piling-taking machine hoisting mechanism hydraulic system capable of achieving speed-variable operation
04/30/2014CN203570720U Maintenance safety improving hydraulic system of hoisting mechanism of gate-type bucket-wheel stacker-reclaimer
04/30/2014CN203570719U Gate type bucket-wheel stacker-reclaimer walking beam lifting mechanism with energy-saving control function
04/30/2014CN203570718U Hydraulic control device for bidirectional plunger variable pump
04/30/2014CN203570717U Accelerator for stone disease treatment
04/30/2014CN203570716U Open center load sensory system for pressure compensation of hydraulic excavator
04/30/2014CN203570715U Mechanism for using plate cam for free variable motion
04/30/2014CN203570714U Deep-sea integrated hydraulic power source
04/30/2014CN203570713U Load sensing hydraulic control system and engineering machine
04/30/2014CN203570712U Power device of low-flash-point cabin
04/30/2014CN203568725U Hydraulic driving system for railway crane
04/30/2014CN103765019A Hydraulic drive device for construction machine
04/30/2014CN103765017A Actuator
04/30/2014CN103765016A Hydraulic control device and hydraulic control method
04/30/2014CN103759930A Transient test device and method of balance valve
04/30/2014CN103759117A Oil filling truck for mining mechanical equipment
04/30/2014CN103758808A Multi-way valve and hydraulic control system
04/30/2014CN103758803A Hydraulic drill rig bit assembling and disassembling rotation and pushing self-adaptive hydraulic loop and control method thereof
04/30/2014CN103758802A Automatic drilling hydraulic control system and work vehicle
04/30/2014CN103758801A Automatic drilling hydraulic control system, control method and work vehicle
04/30/2014CN103758800A Control system for multi-hydraulic-cylinder tunnel simulated experiment platform
04/30/2014CN103754781A Hydraulic system and crane
04/30/2014CN102653378B Hydraulic device for synchronization action of two side hydraulic supporting legs of lorry-mounted crane
04/24/2014WO2014062142A1 System preventing pressured oil leakage to cylinder line in control valve systems with flow divider
04/24/2014WO2014061776A1 Steering gear and ship provided therewith
04/24/2014WO2014061741A1 Work machine
04/24/2014WO2014061507A1 Hydraulic drive device for construction machinery
04/24/2014WO2014061499A1 Air cylinder device with fall prevention mechanism, and fall prevention mechanism for air cylinder device
04/24/2014WO2014061472A1 Hydraulic press brake
04/24/2014WO2014061407A1 Hydraulic drive system
04/24/2014WO2014061125A1 Lifting device
04/24/2014DE102012110070A1 Hydrostatic propulsion system for use as excavators in mobile working machines, has control valve provided in control pressure pipes, and operated valve device arranged in control pressure pipes and connecting trunk line
04/24/2014DE102012110069A1 Hydrostatic drive system for e.g. excavator, has pressure limiting device that is arranged in branch line for maintaining control pressure of control pressure lines by valve device
04/24/2014DE102012020821A1 Notantrieb für ein Baugerät und Verfahren zum Betrieb des Notantriebs Emergency drive for construction equipment and procedures for the operation of the emergency control
04/24/2014DE102012020581A1 Hydraulische Schaltung für eine hydraulische Achse und eine hydraulische Achse Hydraulic circuit for a hydraulic axis and a hydraulic axis
04/23/2014EP2722165A2 Hydraulic circuit for a hydraulic axle and a hydraulic axle
04/23/2014CN203560399U Novel pressure-releasing oil channel structure
04/23/2014CN203560194U Retreating type rapid oil discharging circuit of oil cylinder of hydraulic machine
04/23/2014CN203560190U Hydraulic roll lifting device for steel plate cleaning and oiling machine
04/23/2014CN203560189U Automatic displacement control system based on hydraulically-controlled cementing pump
04/23/2014CN203560188U Diesel hydraulic drive device for flatcar
04/23/2014CN203560187U Hydraulic system of hood pressing machine
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