| Patents for F15B 9 - Servomotors with follow-up action, i.e. in which the position of the actuated member conforms with that of the controlling member (1,862) |
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| 09/02/2010 | DE19952266B4 Regelverfahren für einen Hydraulikantrieb und hiermit korrespondierende Regeleinrichtung Control method for a hydraulic drive and control system corresponding thereto |
| 09/01/2010 | EP2222963A2 Cnc punching machine |
| 09/01/2010 | CN1854532B Electro-hydraulic system for fan driving and brake charging |
| 08/31/2010 | CA2486507C Double acting fluid actuated telescopic cylinder |
| 08/19/2010 | DE112008002483T5 Aktuatorsteuerungssystem mit adaptiver Strömungssteuerung Actuator control system with adaptive flow control |
| 08/19/2010 | DE102009004572B4 Verfahren und elektronische Einrichtung zur Kompensation des Driftverhaltens bei einem pneumatischen Stellglied während des Betriebs Method and device for electronic compensation of the drift behavior in a pneumatic actuator during operation |
| 08/11/2010 | EP2215368A2 Electrohydraulic booster |
| 08/11/2010 | CN101802417A Actuator control system implementing adaptive flow control |
| 08/11/2010 | CN101265926B Hydraulic wrench multifunctional pump station |
| 08/05/2010 | DE102009005998A1 Hydraulische Antriebsvorrichtung mit zwei Druckräumen und Verfahren zum Betreiben einer hydraulischen Antriebsvorrichtung mit zwei Druckräumen Hydraulic drive device with two pressure chambers and method for operating a hydraulic drive device with two pressure chambers |
| 08/03/2010 | US7765913 Pneumatic brake booster comprising a nonreturn valve for discharging an internal overpressure |
| 07/29/2010 | WO2010084043A1 Hydraulic drive device having two pressure chambers and method for operating a hydraulic drive device having two pressure chambers |
| 07/22/2010 | WO2010082452A1 Control device and control method for elastic actuator and control program |
| 07/22/2010 | DE102009004570A1 Verfahren und elektronische Einrichtung zum Finden des Öffnungspunktes bei einem geregelten elektro-pneumatischen Ventil eines pneumatischen Stellantriebs Procedures and electronic means for finding the opening point at a controlled electro-pneumatic valve of a pneumatic actuator |
| 07/21/2010 | CN101782091A Method and device for testing drive parameters of an electropneumatic valve for a pneumatic actuating drive |
| 07/21/2010 | CN101782087A Method and electronic device for compensation for the drift behavior of a pneumatic actuating element during operation |
| 07/15/2010 | DE102009004572A1 Verfahren und elektronische Einrichtung zur Kompensation des Driftverhaltens bei einem pneumatischen Stellglied während des Betriebs Method and device for electronic compensation of the drift behavior in a pneumatic actuator during operation |
| 07/07/2010 | EP2203791A1 Regulation structure for a hydraulic cylinder unit with cascade status regulator |
| 06/30/2010 | EP2201277A1 Valve actuator system |
| 06/24/2010 | WO2009062650A3 Cnc punching machine |
| 06/09/2010 | CN1989302B Control system and control method for fluid pressure actuator and fluid pressure machine |
| 06/03/2010 | US20100132542 Electro-pneumatic system for controlling a double-acting pneumatic actuator |
| 06/02/2010 | EP2192309A2 Method and regulating switch for regulating a printed material supply for a hydraulic actuator |
| 06/02/2010 | EP2192308A2 Method and controller for controlling pressure fluid supply for a hydraulic actuator |
| 05/13/2010 | US20100115936 System and method for pump-controlled cylinder cushioning |
| 05/12/2010 | CN201461564U Electrical hydraulic control device |
| 05/11/2010 | CA2551947C Load sense boost device |
| 04/22/2010 | US20100095817 Fluid distributor apparatus and punching method |
| 04/20/2010 | US7698988 Brake booster for a hand brake |
| 04/15/2010 | DE102008038723B3 Verfahren und Einrichtung zur Ansteuerung eines elektropneumatischen Ventils eines druckmittelbetätigten Stellungsreglers Method and apparatus for driving an electro-pneumatic valve of a fluid-operated positioner |
| 04/14/2010 | CN101694221A Signal sending device for mechanic-hydraulic servo mechanism |
| 04/13/2010 | US7694623 Tandem pneumatic brake booster |
| 04/01/2010 | WO2010034804A1 System and method for adjusting the position of a control member of a power plant |
| 03/31/2010 | CN101688545A Pneumatic actuator system and method |
| 03/30/2010 | US7685926 Negative pressure booster |
| 03/25/2010 | WO2010032743A1 Control device for stroke of actuator |
| 03/25/2010 | US20100071542 Negative pressure booster and brake booster using the same |
| 03/24/2010 | CN101680462A Power boosting device |
| 03/24/2010 | CN101678481A Fluid distributor apparatus and punching method |
| 03/16/2010 | US7677153 Booster and brake control device fitted with this booster |
| 03/11/2010 | DE102008042235B3 Stepper drive for stepper drive assembly, has rotor and two drive units cooperating with rotor and gradually driving rotor with help of centrally supplied fluidic energy |
| 03/09/2010 | US7673554 Tie rod-type booster comprising a reinforced sealing ring |
| 02/24/2010 | EP2156059A1 Power boosting device |
| 02/17/2010 | CN101649848A Method and device for the activation of an electropneumatic valve of a pressure medium-actuated position controller |
| 02/04/2010 | WO2010012866A1 Rotating apparatus |
| 01/27/2010 | EP2147218A1 Pneumatic actuator system and method |
| 01/21/2010 | WO2009146148A3 Locking mechanism with bi-modal actuator |
| 12/30/2009 | EP2137430A1 Torsional vibration damper for the drivetrain of a vehicle |
| 12/30/2009 | CN201372881Y Double-servo proportional valve redundancy electro-hydraulic follow up device |
| 12/16/2009 | CN101605996A System and method for controlling actuator position |
| 12/03/2009 | WO2009146148A2 Locking mechanism with bi-modal actuator |
| 11/25/2009 | EP2121227A1 Fluid distributor apparatus and punching method |
| 11/25/2009 | CN101586589A Electrohydraulic motion integrated module device |
| 11/24/2009 | US7621123 Actuator control system and method |
| 11/24/2009 | CA2555839C Clamp force control for load-handling device |
| 11/19/2009 | DE102008023975A1 Hydraulic valve has switchable drive element with lever, to which piston elements are supported in different distances from pivot axis of lever |
| 11/18/2009 | CN201346479Y Hydraulic adjustment safety system for wheel tooth type breaker |
| 11/12/2009 | WO2009062649A3 Electrohydraulic booster |
| 11/11/2009 | EP2116715A1 Egr valve device |
| 11/05/2009 | WO2009133956A1 Actuator, actuator control method, and actuator control program |
| 11/05/2009 | US20090272257 Hydraulic valve circuit with damage-control override |
| 11/05/2009 | DE202009011301U1 Geregeltes hydraulisches oder pneumatisches System Controlled hydraulic or pneumatic system |
| 11/03/2009 | US7610934 Hydrocarbon transfer system with a damped transfer arm |
| 11/03/2009 | US7610754 Fluid pressure unit and fluid pressure unit control method |
| 11/03/2009 | CA2401707C Electro-hydraulically pressurized downhole valve actuator |
| 10/27/2009 | CA2478010C Electric fluid servo valve and method of making same |
| 10/22/2009 | DE102008019501A1 Elektrohydraulische Steueranordnung Electro-hydraulic control arrangement |
| 10/21/2009 | EP2109718A2 System and method for controlling actuator position |
| 10/15/2009 | WO2009091767A8 Servo system augmented with an active material component |
| 10/14/2009 | CN201326593Y Double-pump control device of high precision fixed charge of hydraulic system |
| 10/14/2009 | CN201326592Y All-pneumatic control stepless load controller |
| 10/01/2009 | DE102008000882A1 Verfahren zur Ansteuerung eines Betätigungsmittels Method for actuating an actuating means |
| 09/30/2009 | CN201318348Y Modular digital closed loop power unit |
| 09/30/2009 | CN100545464C Method and apparatus for controlling air cylinder |
| 09/24/2009 | DE102008007651B3 Stellungsregler für doppeltwirkenden, pneumatischen Stellantrieb, doppeltwirkender, pneumatischer Stellantrieb und Verfahren zum Betreiben des doppeltwirkenden, pneumatischen Stellantriebs Positioner for double-acting pneumatic actuator, double-acting pneumatic actuator and method of operating the double-acting pneumatic actuator |
| 09/22/2009 | US7591134 Vacuum booster of brake device |
| 09/16/2009 | CN201310497Y A ballast-discharging air-control hydraulic device for railway ballast car |
| 09/16/2009 | CN101532517A Method for simulating servo system load by electrohydraulic servo |
| 09/16/2009 | CN101532516A Device for simulating servo system load by electrohydraulic servo |
| 09/09/2009 | CN201306323Y Hydraulic device of poppet valve assembly clamp |
| 09/03/2009 | WO2009108830A1 Control system for recovering swing motor kinetic energy |
| 09/03/2009 | US20090217894 method of braking an actuator piston, and a pneumatic actuator |
| 08/12/2009 | CN100526658C Burning machine inlet guide blade adjusting device |
| 08/06/2009 | US20090193964 Negative pressure booster |
| 08/05/2009 | EP1366300B9 Method and apparatus for multiple-input-multiple-output control of a valve/actuator plant |
| 07/30/2009 | US20090188385 Quick booster |
| 07/29/2009 | EP2082303A2 Low consumption pneumatic controller |
| 07/23/2009 | WO2009091767A1 Servo system augmented with an active material component |
| 07/09/2009 | US20090173220 Method of driving an hydraulic Actuator by means of a pressure controlled proportioning solenoid valve |
| 07/09/2009 | DE102004001487B4 Servo-Ventilsteuereinrichtung und Servo-Ventilsteuersystem mit Abnormalitätserfassung Servo-valve control means and servo valve control system abnormality detection |
| 07/08/2009 | CN101476572A Single-plunger type hydraulic integration pump |
| 07/02/2009 | US20090165457 Double redundancy electro hydrostatic actuator system |
| 07/01/2009 | EP2075656A1 Electrical actuator used as a fluid pressure cylinder |
| 06/18/2009 | US20090151803 Hybrid spool valve for multi-port pulse tube |
| 06/18/2009 | DE202008017285U1 Elektrohydraulischer Verstärker Electro-hydraulic amplifier |
| 06/18/2009 | DE19808626B4 Elektrohydraulisches Aggregat zur Druckregelung in Kraftfahrzeugbremsanlagen Electrohydraulic unit for pressure control in automotive brake systems |
| 06/11/2009 | US20090145121 Hydraulic Drive Device for Dump Truck |
| 06/09/2009 | US7543525 Automobile clutch booster |
| 05/27/2009 | CN101440829A Engineering machinery and engineering machinery control method |
| 05/14/2009 | US20090120278 Electrohydrostatic actuator including a four-port, dual displacement hydraulic pump |