| 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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| 12/22/2010 | CN201679800U Novel numerical control electrohydraulic servo mechanism |
| 12/22/2010 | CN201679799U Pressure control variable displacement motor for two-point electric control belt |
| 12/22/2010 | CN201679798U Hydraulic motor with internal flushing valve |
| 12/22/2010 | CN201679797U Hydraulic oil water tank cooling device |
| 12/22/2010 | CN201679796U Hydraulic oil filtering and cooling device |
| 12/22/2010 | CN201679795U Conveniently installed and cleaned oil filter |
| 12/22/2010 | CN201679794U Hydraulic oil filter |
| 12/22/2010 | CN201679793U Improved electrode control hydraulic circuit for electric arc furnace |
| 12/22/2010 | CN201679792U Pressure display and automatic unloading device of hydraulic system of concrete pumping equipment |
| 12/22/2010 | CN101925750A Variable volume reservoir |
| 12/22/2010 | CN101922489A Construction equipment having electric control lever |
| 12/22/2010 | CN101922488A Energy-saving controller and machine and injection machine with energy-saving controller |
| 12/22/2010 | CN101922487A Oil leak monitoring system of hydraulic servo pump station |
| 12/22/2010 | CA2708089A1 Hydraulic ststem |
| 12/22/2010 | CA2708002A1 Leakage detection system in a wind turbine |
| 12/16/2010 | WO2010142419A1 Modular control system for fluidic control devices |
| 12/16/2010 | WO2008053174A8 Bubble generation for aeration and other purposes |
| 12/16/2010 | DE102009024441A1 Bleeding method for a closed hydraulic system uses a hydraulic fluid to control/trigger a slave cylinder without any flow-back by applying pressure and low-frequency vibration to the hydraulic fluid |
| 12/16/2010 | DE102009023706A1 Pneumatischer Stellungsregler mit piezopneumatischer Ventileinheit Pneumatic positioner with piezopneumatischer valve unit |
| 12/16/2010 | DE102009016069B3 Method for saving compressed air in pneumatic mechanism, involves delivering lock signal to lock for locking air supply, or for resetting timing element if actual interval is smaller than reference interval |
| 12/15/2010 | EP2261509A1 Controller of hydraulically driven fan |
| 12/15/2010 | CN201671917U Downhole hydraulic instrument valve control module |
| 12/15/2010 | CN201671916U Hydraulic servo valve protection device and hydraulic servo valve anti-pollution protection circuit |
| 12/15/2010 | CN201671915U Hydraulic cylinder exhaust plant |
| 12/15/2010 | CN201671898U 过滤装置和油箱 Filter means and the fuel tank |
| 12/15/2010 | CN201669153U Hydraulic control system for branch/leaf shredders |
| 12/15/2010 | CN201669152U Automatic control system for branch/leaf shredders |
| 12/15/2010 | CN101918723A Prcess and device for dewatering a hydraulic fluid |
| 12/14/2010 | US7849880 Electropneumatic central unit for a commercial vehicle configured of modules with electrical and/or pneumatic components |
| 12/09/2010 | WO2010139066A1 Transportable modular multi-appliance device |
| 12/09/2010 | DE102009023757A1 Arrangement for carrying out form-technical joining process, comprises a tool holder with a tool suited for joining process, and two pneumatic compensating drives, by which the tool is changeable in its position relative to a workpiece |
| 12/09/2010 | CA2764231A1 Transportable modular multi-appliance device |
| 12/08/2010 | EP2258952A2 Pneumatic positioner with Piezo-pneumatic valve unit |
| 12/08/2010 | CN201666113U Hydraulic oil forced filtration-type rotary drilling rig |
| 12/08/2010 | CN101907115A Device for purifying waste hydraulic oil |
| 12/08/2010 | CN101905850A Methods and systems for performing, monitoring and analyzing multiple machine fluid processes |
| 12/08/2010 | CN101629667B High-pressure fuel pipe for hydraulic system with self cooling device |
| 12/02/2010 | WO2010138029A1 A hydraulic system and a working machine comprising such a hydraulic system |
| 12/02/2010 | WO2010137506A1 Working machine |
| 12/02/2010 | WO2010136253A1 Method for removing foreign matter from a digital hydraulic pressure controller |
| 12/02/2010 | DE102009026608A1 Verfahren zum Entfernen von Fremdstoffen aus einem digitalhydraulischen Druckregler eines Hydrauliksystems A method for removing foreign substances from a digital hydraulic pressure controller of a hydraulic system |
| 12/02/2010 | DE102009026607A1 Verfahren und eine Vorrichtung zur Funktionsüberwachung eines Hydrauliksystems einer Maschine A method and a device for functional monitoring of a hydraulic system of a machine |
| 12/02/2010 | DE102009023168A1 Positionsmesseinrichtung zur Erfassung der Position wenigstens eines Stellglieds eines fluidischen Systems ohne Positionssensor Position measuring device for detecting the position of at least one actuator of a fluidic system without position sensor |
| 12/02/2010 | DE102009023044A1 Verfahren zur Aufbereitung von Druckluft, Druckluftaufbereitungseinrichtung sowie Kraftfahrzeug mit derartiger Einrichtung Process for the Preparation of compressed air, compressed air treatment equipment and motor vehicle with such a device |
| 12/01/2010 | CN201661556U Potential energy recovering hydraulic system of concrete pump truck |
| 12/01/2010 | CN201661555U Hydraulic energy-saving unit of machine tool |
| 12/01/2010 | CN201661554U Minitype portable multifunctional clutch exhauster |
| 12/01/2010 | CN201661553U Filtration device of hydraulic oil pump carriage |
| 12/01/2010 | CN201661552U Integrated hydraulic pump station for wind generating set |
| 12/01/2010 | CN201661551U Vacuum-pumping oil injection system |
| 12/01/2010 | CN201661531U Special hydraulic station for filter press |
| 12/01/2010 | CN101900153A Energy-efficient hydraulic power supply driven by permanent magnet servo motor |
| 12/01/2010 | CN101900152A Electronic wear state determination in a valve arrangement |
| 12/01/2010 | CN101900151A Oil absorption optimized device for oil cooler having gradient side slot oil suction pipe |
| 11/30/2010 | CA2530144C Apparatus for flushing, replacing fluid and bleeding hydraulic systems |
| 11/30/2010 | CA2405615C Liquid filter |
| 11/25/2010 | WO2010133270A1 Hydraulic drive and rotary slide valve for a hydraulic drive |
| 11/25/2010 | DE10308289B4 LS-Wegeventilblock LS-way valve block |
| 11/25/2010 | DE102009021717A1 Hydraulisches Gerät Hydraulic equipment |
| 11/25/2010 | DE102008032771B4 Verteilervorrichtung für hydraulische Systeme A distributor device for hydraulic systems |
| 11/24/2010 | EP2252799A2 Flow management system for hydraulic work machine |
| 11/24/2010 | CN201650942U Electro-hydraulic servo system of fast bidirectional switch |
| 11/24/2010 | CN201650941U Unidirectional and quick-retracting battery solution servo system |
| 11/24/2010 | CN201650940U Electrohydraulic executor of hydraulic integrator |
| 11/24/2010 | CN201650939U Hydraulic pressure control system of vacuum laminating machine |
| 11/24/2010 | CN201650938U Hydraulic servo system with quick-retracting one-way spring |
| 11/24/2010 | CN201650937U Oil tank cooling device of fully-mechanized roadheader |
| 11/24/2010 | CN201650936U Special bracket for replacing hydraulic oil tank filter |
| 11/24/2010 | CN201650935U Circulatory flushing device of hydraulic system pipeline |
| 11/24/2010 | CN201650930U Dust-proof ring for oil cylinder hole |
| 11/24/2010 | CN201650591U Integrated pressure oil source device for hydraulic control equipment of vertical axis wind-driven generator |
| 11/24/2010 | CN201645883U Proportional supercharging control circuit used for hydraulic system of press |
| 11/24/2010 | CN1969129B Working machine |
| 11/24/2010 | CN101893020A Preheating structure for hydraulic system |
| 11/24/2010 | CN101065583B Hydraulic drive |
| 11/18/2010 | WO2010130288A1 Method for operating a cylinder, system and mannequin robot comprising the same |
| 11/18/2010 | DE102009022891B3 Verfahren zur elektronischen Verschleißzustandsermittlung bei einer Ventilanordnung A method for determining the electronic state of wear at a valve assembly |
| 11/17/2010 | EP2251299A1 Pressure energy reservoir |
| 11/17/2010 | EP2250379A1 Hydraulic system having multiple actuators and an associated control method |
| 11/17/2010 | CN201636140U Hydraulic device of handling machine |
| 11/17/2010 | CN201636139U Oil filter of on-line pollution detector |
| 11/17/2010 | CN201636138U Tandem cylinder stroke control device |
| 11/17/2010 | CN201636137U Traveling type hydraulic pump station |
| 11/17/2010 | CN201636136U Hydraulic oil filling system of coal mining machine |
| 11/17/2010 | CN201636092U Hydraulic braking system of megawatt fan |
| 11/17/2010 | CN201633881U Ship launching temporary positioning device |
| 11/17/2010 | CN101886647A Servo water pressure control device |
| 11/16/2010 | US7833486 Hydrophilic/hydrophobic surfaces |
| 11/11/2010 | WO2010129403A2 Cool logic with an integrated cooler into the clutch / engine base |
| 11/11/2010 | WO2010128645A1 Control device for hybrid construction machine |
| 11/11/2010 | WO2010127960A1 Apparatus for actively damping speed oscillations in hydraulic switch element systems and method for operating the apparatus |
| 11/11/2010 | WO2010127659A1 Hydraulic energy source for supplying a downstream hydraulic system with hydraulic energy |
| 11/11/2010 | DE102009020111A1 Hydrostatic drive system i.e. electrohydraulical load sensing regulated drive system, for use in e.g. construction machine, has pump including electronic control device, where referencing of sensor device is implemented by control device |
| 11/11/2010 | DE102009018071A1 Verfahren und Regelvorrichtung zur Regelung einer Druckmittelzufuhr für einen hydraulischen Aktor A method and control apparatus for controlling a pressure medium supply for a hydraulic actuator |
| 11/11/2010 | DE102006061516B4 Hydraulikanordnung zur Ansteuerung zweier Aktuatoren Hydraulic system for controlling two actuators |
| 11/10/2010 | CN201627782U 数控液压动力装置系统 CNC hydraulic power unit system |
| 11/10/2010 | CN201627781U Adjustable wide frequency damping muffler |
| 11/10/2010 | CN101881165A Coal-mining machine hydraulic system |
| 11/09/2010 | US7827787 Hydraulic system |
| 11/04/2010 | DE202010011010U1 Hydraulische Vorwärmeeinrichtung für Hydraulikölkühler in einem Großhydraulikbagger Hydraulic preheating system for hydraulic oil cooler in a large hydraulic excavator |