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