| 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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| 08/31/2011 | EP2361335A2 System and method for pump-controlled cylinder cushioning |
| 08/31/2011 | EP1380756B1 Fluid pressure circuit |
| 08/31/2011 | CN201953747U 液压扭矩脉冲发生器 Hydraulic torque pulse generator |
| 08/31/2011 | CN201953746U 汽轮机液压控制系统的过滤结构 Filtering structure Turbine Hydraulic Control System |
| 08/31/2011 | CN102168671A Electrical control variable plunger pump and pump control hydraulic system thereof |
| 08/31/2011 | CN101672311B Multi-hydraulic cylinder synchronization control method |
| 08/25/2011 | WO2011103547A1 Device and method for controlling a fluid actuator |
| 08/25/2011 | WO2011102292A1 Hybrid construction machine control system |
| 08/25/2011 | WO2011101293A1 Device for providing a supply pressure |
| 08/25/2011 | US20110203771 Method and apparatus for electrical control of heat transfer |
| 08/25/2011 | DE102010054889A1 Hydraulic arrangement for use in shock absorber arrangement of motor car, has pump generating pressure difference, which is independent of control tasks, between two workspaces, where difference induces cooling flow in cooling fluid path |
| 08/25/2011 | DE102010009035A1 Druckluftaufbereitungseinrichtung für Kraftfahrzeuge Compressed air processing device for motor vehicles |
| 08/25/2011 | CA2790695A1 Device and method for controlling a fluid actuator |
| 08/24/2011 | EP2359012A1 Pneumatic actuator, and system and method for controlling the same |
| 08/24/2011 | CN201944041U Hydraulic oil cooling system of coal mining machine |
| 08/24/2011 | CN201944040U 一种机床油液冷却装置 An oil cooling device Machine |
| 08/24/2011 | CN201944039U 一种双电子风机换热器 A dual electronic fan heat exchangers |
| 08/24/2011 | CN201944038U 压力容器法兰端盖的液压压紧装置 Hydraulic pressure vessel flange cover the pressing means |
| 08/24/2011 | CN201940277U 一种带液压管路循环冲洗装置的立式磨机液压泵站 A vertical mill with hydraulic pump station piping loop flushing device |
| 08/24/2011 | CN102165200A Hydraulic drive device for construction machine |
| 08/23/2011 | CA2387402C Positioner |
| 08/18/2011 | WO2011099401A1 Control system for hybrid construction machine |
| 08/18/2011 | WO2011098361A1 Cartridge valve |
| 08/18/2011 | DE102010008375A1 Verfahren zum Betreiben eines hydraulischen oder pneumatischen Systems A method of operating a hydraulic or pneumatic system |
| 08/17/2011 | CN201934428U 一种功交换式能量回收装置 One kind of power switching energy recovery |
| 08/17/2011 | CN201934427U 真空抽油循环过滤系统 Vacuum pumping oil filtration system |
| 08/17/2011 | CN201934426U Hws造型机液压泵站液压油冷却系统 Hws molding machine hydraulic oil cooling system pump station |
| 08/17/2011 | CN201934398U Hydraulic oil tank for loading machine |
| 08/17/2011 | CN1806104B Fluid cooling device |
| 08/17/2011 | CN102155476A Valve controlled regulating system without throttling loss based on PWM (pulse-width modulation) and regulating method thereof |
| 08/17/2011 | CN102155475A Device for controlling hydraulic system and method |
| 08/17/2011 | CN102155474A Electric hydraulic control mechanism of novel hydraulic pressure transformer |
| 08/17/2011 | CN102155473A Novel hydraulic oil filter element and application scheme thereof |
| 08/17/2011 | CN102155472A Energy storage type constant temperature oil cooler |
| 08/17/2011 | CN102155471A Constant flow-rate multi-point oil feeding device of static pressure system |
| 08/17/2011 | CN102155443A Alternating-current hydraulic pressure inversion control system and control method thereof |
| 08/17/2011 | CN101520063B Constant-pressure water evaporator suitable for aerospace craft |
| 08/11/2011 | WO2011096397A1 Oil tank |
| 08/11/2011 | DE102010007152A1 Fluidbetätigter Stellantrieb an einer Armatur Fluid-operated actuator on a valve |
| 08/11/2011 | DE102010007137A1 Fluidbetätigter Stellantrieb an einer Armatur Fluid-operated actuator on a valve |
| 08/10/2011 | EP2353969A2 Working fluid medium temperature control system and method |
| 08/10/2011 | EP2353838A2 Injection moulding machine and hydraulic drive unit for same |
| 08/10/2011 | CN201925267U 一种液压油循环使用的过滤装置 A hydraulic oil filters recycled |
| 08/10/2011 | CN201925266U 大流量快速充液阀 Large flow fast fill valve |
| 08/10/2011 | CN102146943A Motor pressure turn-off control system and crane applying same |
| 08/10/2011 | CN101785939B Differential pressure adjustable automatic backwashing filter |
| 08/10/2011 | CN101259444B Discharge outlet adjustment device for heavy type hydraulic jaw crusher |
| 08/09/2011 | CA2628637C Rotary cutter device with integrated cooling system |
| 08/04/2011 | DE102010006464A1 Hydraulic arrangement, has rinsing unit controlling pressure medium connection between pressure lines and tank, and hydropneumatic accumulator connected with pressure lines by slide valve |
| 08/04/2011 | DE102010006170A1 Flushing device for closed hydro-static circuit, has extraction valve, which is connected with working line of circuit by extraction line and with another working line of circuit by another extraction line |
| 08/04/2011 | DE102010001595A1 Spritzgießmaschine sowie hydraulische Antriebseinheit hierfür Injection molding machine and hydraulic drive unit therefor |
| 08/04/2011 | CA2730886A1 Injection moulding machine and hydraulic unit for this |
| 08/03/2011 | EP2351937A1 Hydraulic control system in working machine |
| 08/03/2011 | EP2351936A1 Hydraulic drive device for construction machine |
| 08/03/2011 | CN201916560U 放气阀装置 Bleed valve device |
| 08/03/2011 | CN201916288U 一种液压油节流加温装置 A hydraulic oil throttle heating device |
| 08/03/2011 | CN201916287U 一种制冷式液压系统的油温控制系统 A refrigeration system of hydraulic oil temperature control system |
| 08/03/2011 | CN201916286U 切杆机回油冷却装置 Chipping machine back to the oil cooling device |
| 08/03/2011 | CN201916285U Pressure compensation device of deep-sea hydraulic system |
| 08/03/2011 | CN201916284U 一种液压、气动缸筒内壁修复装置 A hydraulic, pneumatic cylinder inner wall repair device |
| 08/03/2011 | CN201916283U 气动伺服正负压控制装置 Positive and negative pressure pneumatic servo control device |
| 08/03/2011 | CN201916278U 一种气缸 One kind of cylinder |
| 08/03/2011 | CN201915914U 具有能量回收作用的液压抽油装置 Hydraulic energy recovery has the effect of an oil rig |
| 08/03/2011 | CN102141063A Large-scale upper oil tank hydraulic power unit |
| 08/03/2011 | CN102141062A Proportion distribution dual induction and dual damping pressure compensator |
| 08/03/2011 | CN101161520B Vehicle brake hydraulic pressure control unit and method for producing the same |
| 07/28/2011 | US20110179783 Device to actively control the vibrations of an articulated arm to pump concrete |
| 07/28/2011 | DE102010005804A1 Hydraulic circuit arrangement for use in excavator, has 2-way current regulator arranged in storage line, where storage line is connected with motor line connected with hydraulic motor during connection of piston line with storage units |
| 07/28/2011 | DE102010005639A1 Rotationally driven support unit, particularly rotating drum unit, for use in body-making for motor vehicles, has support body rotatably supported on supporting structure, where support body has multiple support sides for receiving tool |
| 07/28/2011 | DE102006002701B4 Hydraulikdruckregelvorrichtung und Vorrichtung zur Ermittlung einer Betriebskennlinie Hydraulic pressure control device and device for determining an operating characteristic |
| 07/27/2011 | EP2347991A1 Method for cleaning hydraulic liquid, computerprogram product, control unit, and industrial truck |
| 07/27/2011 | EP2347136A1 Apparatus and method for actuating a control valve of a hydraulic system |
| 07/27/2011 | CN201908899U Oil cylinder for static pressure vibration exciter |
| 07/27/2011 | CN201908898U High-and-low pressure back-flushing filter system for hydraulic supports |
| 07/27/2011 | CN201908897U Hydraulic pulse pressing system |
| 07/27/2011 | CN102135122A Variable frequency and jet flow oscillator |
| 07/27/2011 | CN102135121A External zero offset adjustment structure |
| 07/27/2011 | CN101581326B Full digital integrated cylindrical valve electrohydraulic synchronous control system |
| 07/27/2011 | CN101522997B A method for operating a working machine and a working machine with an improved ability to meet transient loads |
| 07/27/2011 | CN101310940B Control device and control method for elastic-body actuator drive type movable mechanism |
| 07/21/2011 | WO2011086888A1 Work machine drive control device |
| 07/21/2011 | US20110173965 Transmission hydraulic control system having a dual element pump |
| 07/21/2011 | DE102007036854B4 Hydraulikflüssigkeits-Fördervorrichtung Hydraulic fluid conveying device |
| 07/20/2011 | EP2345816A2 Venting device for a hydraulic cylinder |
| 07/20/2011 | EP2344772A1 Digital hydraulic system |
| 07/20/2011 | CN201902393U Dual-air-resistor air-capacitor pneumatic pressure control loop |
| 07/20/2011 | CN201902381U Anti-pollution soft half membrane hydraulic oil tank |
| 07/20/2011 | CN102131684A Control system and method for braking a hydrostatic drive machine |
| 07/20/2011 | CN102128188A Positive displacement liquid pressure energy recovery device |
| 07/20/2011 | CN102126688A Hydraulic aggregate for underground transportation vehicle |
| 07/14/2011 | WO2010105155A3 Systems and methods for improving drivetrain efficiency for compressed gas energy storage |
| 07/14/2011 | US20110168610 Process and device for dewatering a hydraulic fluid |
| 07/14/2011 | US20110168216 Device and process for generating a pulsed jet of a liquid fluid |
| 07/14/2011 | DE112009001969T5 Steuerungssystem und Verfahren zum Bremsen einer Maschine mit hydrostatischem Antrieb Control system and method for braking a machine with hydrostatic drive |
| 07/14/2011 | DE102010004650A1 Hydraulikaggregat für Flurförderzeuge Hydraulic power unit for trucks |
| 07/14/2011 | DE102010004618A1 Entlüftungsvorrichtung für einen Hydraulikzylinder Venting device for a hydraulic cylinder |
| 07/13/2011 | EP2342467A1 Compressed air system with two pressure reservoirs, and method for operating the compressed air system |
| 07/13/2011 | CN201896816U Oil cooler protecting device |
| 07/13/2011 | CN201896815U Hydraulic pump station used for rail welding vehicle |
| 07/13/2011 | CN201896730U Novel hydraulic screw pump |