| 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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| 04/06/2011 | CN201786823U Pressure stabilizer of hydraulic system |
| 04/06/2011 | CN201786822U Hydraulic oil cooling device of hydraulic stepless transmission system |
| 04/06/2011 | CN201786821U Split adjustable hydraulic station for mining |
| 04/06/2011 | CN201786820U Electric hydraulic rod oil filtering device |
| 04/06/2011 | CN201786819U Hydraulic hybrid power oil temperature control device |
| 04/06/2011 | CN201786818U Oil collecting path of pressure adjustment device of hydraulic station for mining |
| 04/06/2011 | CN201786817U Pressure regulation device for mining hydraulic station |
| 04/06/2011 | CN201786816U Protector for preventing over high oil return pressure of system casing |
| 04/06/2011 | CN201786815U Oil recharging device for hydraulic hybrid power system |
| 04/06/2011 | CN201784598U Supporting leg type engineering machine and hydraulic control system thereof |
| 04/06/2011 | CN102007253A Device for controlling hybrid construction machine |
| 04/06/2011 | CN102003435A Hydraulic pump station for rail welding vehicle |
| 04/06/2011 | CN102003434A Hydraulic component with at least two different pressure zones and at least one functional element |
| 04/06/2011 | CN102003430A Hydraulic cylinder |
| 04/06/2011 | CN102003422A Hydraulic oil tank for loading machine |
| 04/06/2011 | CN102000680A High efficiency circulating cleaning pressurization hydraulic station |
| 04/06/2011 | CN101539784B Supper-low constant speed hydraulic control system of mill type cylinder |
| 04/05/2011 | US7918244 Microfluidic bubble logic devices |
| 03/31/2011 | WO2011036534A1 Configurable active jerk control |
| 03/31/2011 | US20110073320 Tubular actuator and method |
| 03/31/2011 | US20110072809 Hydraulic system and method for control |
| 03/31/2011 | CA2774599A1 Configurable active jerk control |
| 03/30/2011 | EP2302223A1 Device for detecting contamination level of operating oil |
| 03/30/2011 | CN201780971U Energy-saving servo pump semiconductor packaging compressor |
| 03/30/2011 | CN201779097U Variable frequency energy-saving device for hydraulic system |
| 03/30/2011 | CN201779096U Integrated oil pump master station |
| 03/30/2011 | CN201779095U Hydraulic pilot oil source system with automatic pressure regulation function |
| 03/30/2011 | CN201779094U Engineering pumping station |
| 03/30/2011 | CN201779093U Pump skid for installation of deepwater suction bucket foundation |
| 03/30/2011 | CN201779083U Hydraulic control system |
| 03/30/2011 | CN101994729A Oil temperature control system and control method of refrigeration type hydraulic system |
| 03/30/2011 | CN101992217A Device and method for controlling safe pressure of horizontal balance system of rolling mill |
| 03/24/2011 | WO2011034764A2 Improved density-based compact separator |
| 03/23/2011 | CN201771896U Sealed hydraulic oil heating device |
| 03/23/2011 | CN201771895U Hydraulic station |
| 03/23/2011 | CN201771878U Multifunctional hydraulic oil tank respirator |
| 03/23/2011 | CN201771876U Steering oil tank for hydraulic power-assisted steering system |
| 03/23/2011 | CN201771496U Hydraulic tracting system for shearer driven by load sensitive pump |
| 03/17/2011 | WO2011029495A1 Relay valve device |
| 03/17/2011 | DE202010015363U1 Abgeschlossene Einheit Completed unit |
| 03/17/2011 | DE102009040126A1 Elektromotorischer Hydraulikantrieb und Verfahren zum Bereitstellen eines definierten Hydraulikdrucks und/oder -volumens Electric-motor hydraulic drive and method for providing a defined hydraulic pressure and / or volume |
| 03/16/2011 | CN201763727U Liquid cooler |
| 03/16/2011 | CN201760159U Backwash filter |
| 03/16/2011 | CN101985951A Electric-hydraulic reversing energy recovery device |
| 03/16/2011 | CN101446305B Parallel control loop system of hydraulic cylinder |
| 03/15/2011 | US7908048 Control system for a work machine and method for controlling a hydraulic cylinder |
| 03/10/2011 | WO2011028745A2 Closed-loop control system for controlling a device |
| 03/10/2011 | WO2011026458A1 Hydraulic arrangement having a double-acting hydraulic device |
| 03/10/2011 | US20110058114 Object-moving mechanism making use of flow of liquid crystal |
| 03/10/2011 | US20110056194 Hydraulic system for heavy equipment |
| 03/10/2011 | DE202010014113U1 Hydraulischer Impulsmotor Hydraulic impulse engine |
| 03/10/2011 | DE102009040759A1 Relaisventileinrichtung Relay valve means |
| 03/09/2011 | CN201756383U Power pump station used for hydraulic elevator/hydraulic lift |
| 03/09/2011 | CN101984255A Electric-hydraulic control system applied in concrete or coal slurry conveying device and method for controlling system |
| 03/03/2011 | US20110052419 Method for Regenerating a Compressed Air Supply Device, Control Unit and Compressed Air Supply Device |
| 03/03/2011 | DE112009001004T5 Hydraulikventil zum Umschalten eines Ventilators und Maschine, die dieses verwendet A hydraulic valve for switching a fan and engine using this |
| 03/03/2011 | DE112009000916T5 Vorrichtung zur Steuerung einer Hybrid-Baumaschine An apparatus for controlling a hybrid construction machine |
| 03/03/2011 | DE102009039489A1 Verfahren zur Instandhaltung von Fluidanlagen Procedures for the maintenance of fluid systems |
| 03/03/2011 | DE102009039487A1 Suction-return flow filter for use in closed hydraulic cycle of vehicle to clean hydraulic fluid, has prefilter sleeve surrounding filter bottom section in section-wise manner, where bottom section is provided with suction valve |
| 03/03/2011 | DE102009038632A1 Safety brake comprises a pneumatic design as well as a hydraulic design with the proviso that all components of the pneumatic design are unchanged even on the hydraulic design |
| 03/03/2011 | DE102009038600A1 Verfahren zum Regenerieren einer Druckluftversorgungseinrichtung, Steuereinrichtung und Druckluftversorgungseinrichtung A method for regenerating a compressed air supply device, control means and compressed air supply device |
| 03/03/2011 | DE102009028999A1 Hydraulic component for automatic gearbox of motor vehicle, has sealing sector including peripheral contact surface supported against functional element in elastic manner, where surface has recess that connects different pressure zones |
| 03/02/2011 | EP2220383B1 Hydraulic control arrangement |
| 03/02/2011 | EP1984631B1 Modular compressed air maintenance unit |
| 03/02/2011 | EP1737782B1 Methods and systems for performing, monitoring and analyzing multiple machine fluid processes |
| 03/02/2011 | CN201753710U Vacuum oil suction apparatus for hydraulic pressure valve body |
| 03/02/2011 | CN201753655U Control device employing mechanical and electrical redundancy sectional closing mode |
| 03/02/2011 | CN201753057U Hydraulic driving system for manual overflow speed-adjusting type mining ropeway |
| 03/01/2011 | US7895833 Hydraulic drive apparatus |
| 03/01/2011 | CA2528815C Thermal expansion chambers for airtight containers |
| 02/24/2011 | WO2011021405A1 Operating oil temperature controller for hydraulic drive device |
| 02/24/2011 | WO2010129403A3 Cool logic with an integrated cooler into the clutch / engine base |
| 02/24/2011 | DE112009000767T5 Steuerung für eine Hybrid-Baumaschine Control for a hybrid construction equipment |
| 02/23/2011 | EP2286091A1 Fluid cooling device |
| 02/23/2011 | CN201751529U Variable-torque hydraulic tongs for petroleum drilling |
| 02/23/2011 | CN101981326A Automatic air bleed valve for a closed hydraulic system |
| 02/23/2011 | CN101981324A Controller of hybrid construction machine |
| 02/23/2011 | CN101981322A Controller of hydraulically driven fan |
| 02/23/2011 | CN101981261A Controller of hybrid construction machine |
| 02/23/2011 | CN101981260A Controller of hybrid construction machine |
| 02/23/2011 | CN101981259A Controller of hybrid construction machine |
| 02/23/2011 | CN101979884A Method for preventing damaged seal of hydraulic oil cylinder from polluting hydraulic oil and filtering device |
| 02/23/2011 | CN101979870A Wind power generation hydraulic system |
| 02/17/2011 | DE10313735B4 Überwachung eines Flüssigkeitsvolumens in einem Fahrzeug Monitoring a volume of liquid in a vehicle |
| 02/17/2011 | DE102010027693A1 System zum Steuern eines Spitzendrehmoments in Handschaltgetrieben System for controlling a peak torque in manual transmissions |
| 02/17/2011 | DE102009043571B3 Fluid-electrical device, has switching device consisting of electrical operatable switch arrangement that is switched in supply line between energy storage and electrical consumer and controllable by electrical switch |
| 02/17/2011 | DE102009037205A1 Hydraulic drive device for use in rubber processing plant, has hydraulic pump driven by electrical machine, where performance of hydraulic motor is changed by regulating and/or controlling electrical machine |
| 02/17/2011 | DE102009033214A1 Verfahren zur Erkennung von pneumatischen Antrieben A method for detecting pneumatic actuators |
| 02/17/2011 | DE102004038355B4 Speicherbehälter eines Servolenksystems für ein Fahrzeug Storage vessel of a power steering system for a vehicle |
| 02/16/2011 | EP2283239A1 Fault-tolerant bleed valve assembly |
| 02/16/2011 | CN201749375U Servo hydraulic pressure control device |
| 02/16/2011 | CN201747707U Cooling device of development machine |
| 02/16/2011 | CN201747706U Bypass filtration system of rotary drilling machine |
| 02/16/2011 | CN201747705U Closed type cooling device of hydraulic system oil tank |
| 02/16/2011 | CN201747704U Combination type compressed air regulating device |
| 02/16/2011 | CN201747703U Sealed hydraulic system |
| 02/16/2011 | CN201747317U Long-distance electric pneumatic control system of ground blowout preventer |
| 02/16/2011 | CN101978174A Operating oil supplying device and construction machine |
| 02/16/2011 | CN101978145A Fan drive controlling device and construction machine |
| 02/16/2011 | CN101533287B Constant power control method for coal mining machine and operating handle |