| 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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| 09/23/2003 | US6622472 Apparatus and method for thrust vector control |
| 09/11/2003 | US20030168113 Electrically operated hydraulic actuator with force feedback position sensing |
| 09/10/2003 | EP1342924A1 Electrically operated hydraulic actuator with force feedback depending on the position |
| 08/28/2003 | US20030159599 Device and method for controlling stop of hydraulic press and device and method for detecting trouble of speed selector valve |
| 08/27/2003 | CN1438427A Feed-back mechanism and valve positioner |
| 08/21/2003 | US20030155542 Feedback mechanism and valve positioner |
| 08/14/2003 | WO2003066425A1 Method for use in offshore load transfer, and a floater and hydraulic device for the same |
| 08/13/2003 | EP1234118A4 Precision servo control system for a pneumatic actuator |
| 08/07/2003 | US20030147757 Ram moving method for hydraulic machine, ram movement controller, method for preventing trapping of axial plunger pump used for the machine, and the pump |
| 08/05/2003 | US6601821 Proportional control valve assembly for exhaust gas recirculation system |
| 07/30/2003 | EP1331404A1 Actuation assembly with synchronized hydraulic actuators |
| 07/24/2003 | US20030136129 Actuator assembly with synchronized hydraulic actuators |
| 07/23/2003 | CN2561926Y Walking beam style hydraulic oil sucker |
| 07/17/2003 | WO2003058095A2 Actuator cylinder |
| 07/17/2003 | WO2003058073A1 Spool valve |
| 07/10/2003 | US20030126981 Compact hybrid actuator |
| 07/09/2003 | EP1325237A1 Arrangement using fluid technology and valve arrangement and actuator for the same |
| 07/09/2003 | CN2559817Y Two-stage ring type servo valve |
| 05/14/2003 | CN1417000A Improved slide valve in hydraulic copying general pipe for controlling motion of punch hammer in punch |
| 05/08/2003 | US20030084781 Electrohydraulic motor and hydraulic driving method |
| 05/07/2003 | EP1308635A2 Improvement in a copying distributor spool in hydraulic circuits for controlling hammer motion in punching machines |
| 05/02/2003 | EP1097500A4 Control system with integrated actuation package |
| 05/01/2003 | US20030079602 High speed driving method and apparatus of pressure cylinder |
| 04/24/2003 | WO2003033899A1 Apparatus and method for thrust vector control |
| 04/17/2003 | US20030070417 Apparatus and method for thrust vector control |
| 04/10/2003 | WO2003029659A2 Main piston servo control system which is fitted with an automatic fault containment system |
| 04/08/2003 | US6543992 Control arrangement |
| 04/08/2003 | US6543223 Drive device |
| 04/01/2003 | US6540010 Device for hydraulically adjusting the rollers of strand guiding segments of a continuous casting installation |
| 03/27/2003 | US20030056641 Precision servo control system for a pneumatic actuator |
| 03/18/2003 | US6533342 Actuating arrangement for opening and closing hinged motor vehicle panels |
| 03/13/2003 | WO2003020500A1 Punching device |
| 03/12/2003 | EP1290350A1 Robust servo/hydraulic control system and method |
| 03/11/2003 | US6532400 Biologically-inspired multi-segmented robot |
| 03/06/2003 | WO2003019302A2 Hybrid control system |
| 03/06/2003 | WO2003019017A1 Device for controlling hydraulic pressure of construction machine |
| 03/05/2003 | EP1287979A1 Ram moving method for hydraulic machine, ram movement controller, method for preventing trapping of axial plunger pump used for the machine, and the pump |
| 02/25/2003 | US6523451 Precision servo control system for a pneumatic actuator |
| 02/19/2003 | CN1397748A Drive controller of cooling fan |
| 02/12/2003 | CN1101307C Intelligent type hydraulic valve oil distrivbutor used for injection molding machine and method |
| 02/11/2003 | US6519508 Valve positioner and current-to-pneumatic converter |
| 01/29/2003 | EP1279488A1 Device and method for controlling stop of hydraulic press and device and method for detecting trouble of speed selector valve |
| 01/21/2003 | US6508058 Hydraulic control system with tactile force and position feedback |
| 12/25/2002 | CN1097184C Servo operation apparatus for transmission |
| 12/17/2002 | US6494039 Force-controlled hydro-elastic actuator |
| 12/05/2002 | US20020178593 Position sensor for a hydraulic actuator and hydraulic system using the same |
| 12/04/2002 | CN2523996Y Automatic hydraulic thrust baffle-wheel of rotary kiln |
| 11/26/2002 | US6484675 Hydraulic actuator for variable valve mechanism |
| 11/19/2002 | US6481463 Control valve with mechanical feedback and method for controlling fluid flow |
| 11/14/2002 | WO2002059487A3 Method and apparatus for multiple-input-multiple-output of a valve/actuator plant |
| 11/14/2002 | DE10121383A1 Steuerung für eine Unwucht-Verstelleinrichtung in einem Vibrationserreger einer Bodenverdichtungsvorrichtung Control for adjusting an imbalance in a vibration exciter a soil compaction device |
| 11/13/2002 | EP0918939B1 Electropneumatic positioner |
| 11/07/2002 | WO2002087789A1 Controller for an unbalanced mass adjusting unit of a soil compacting device |
| 10/23/2002 | CN2517893Y Oil Pressure motor oil distributing disk |
| 10/15/2002 | US6463950 Method and device for the transmission of control and/or sensor signals |
| 10/10/2002 | US20020145399 Closed loop electrohydraulic actuator control circuit |
| 10/01/2002 | US6457369 Loading assembly having a soft actuator |
| 09/26/2002 | DE10110398A1 Verfahren zur Regelung der Druckmittelzufuhr zu einem hydraulisch betätigten Aktor Method for controlling the pressure medium supply to a hydraulically operated actuator |
| 09/25/2002 | CN2512928Y DC electric hydraulic propeller |
| 09/04/2002 | EP1236558A1 Method for fluid supply regulation of an hydraulic actuator |
| 08/28/2002 | EP1234118A1 Precision servo control system for a pneumatic actuator |
| 08/27/2002 | US6439512 All-hydraulic powered horizontal stabilizer trim control surface position control system |
| 08/27/2002 | US6439101 Electro-hydraulic servomotor |
| 08/01/2002 | WO2002059487A2 Method and apparatus for multiple-input-multiple-output of a valve/actuator plant |
| 07/18/2002 | WO2002055887A1 Pneumatic drive, jet engine (variants) and electropneumatic control device |
| 07/18/2002 | DE10100965A1 Verfahren zur Regelung der Bewegung einer von einem druckmittelbeaufschlagten hydraulischen Zylinder bewegbaren Masse Method for controlling the movement of a pressure medium from a hydraulic cylinder movable mass |
| 07/17/2002 | EP1223486A2 Method of controlling the movement of a mass moved by a pressurised hydraulic cylinder |
| 07/09/2002 | US6416033 Air over hydraulics actuator system |
| 07/04/2002 | WO2001031205A9 Precision servo control system for a pneumatic actuator |
| 06/25/2002 | US6408737 Control method for a hydraulic drive, and a control device corresponding thereto |
| 06/06/2002 | US20020066441 Proportional control valve assembly for exhaust gas recirculation system |
| 05/22/2002 | EP1207330A2 Proportional control valve assembly for exhaust gas recirculation system |
| 05/01/2002 | CN1346941A 流量方向控制阀 Flow direction control valve |
| 05/01/2002 | CN1346940A Oil Hydaulic executor communicating and communication recoving device |
| 04/18/2002 | WO2002031364A1 Arrangement using fluid technology and valve arrangement and actuator for the same |
| 04/18/2002 | DE10049958A1 Fluid technology arrangement has valve arrangement and actuator connected together via electrical connections via which valve arrangement supplies actuator with electrical energy |
| 04/16/2002 | US6371149 Shuttle valve assembly and improved shifting thereof |
| 04/11/2002 | WO2002029255A1 Fluid-activated adjustment and manoeuvre device |
| 04/10/2002 | EP1195530A1 Refundant hydraulic actuator, particularly for an aircraft servocontrol |
| 04/04/2002 | CA2358218A1 Redundant hydraulic actuator, particularly for an aircraft servocontrol |
| 03/27/2002 | CN1081809C Electropneumatio positioner |
| 03/21/2002 | US20020033613 Actuating arrangement for opening and closing hinged motor vehicle panels |
| 03/14/2002 | WO2001065121A3 Force-controlled hydro-elastic actuator |
| 03/14/2002 | US20020030170 Air over hydraulics actuator system |
| 03/12/2002 | US6354327 Automatic position-control valve assembly |
| 02/27/2002 | EP1182134A2 Hydraulic control system for a trim surface |
| 02/27/2002 | CN1337531A Oil-discharging circuit of rotary hydraulic motor |
| 02/26/2002 | US6349627 Electropneumatic positioner |
| 02/14/2002 | DE10038061A1 Hydraulischer Zylinder Hydraulic cylinder |
| 02/14/2002 | DE10036646A1 Vorrichtung und Verfahren zum Ausgleichen der Kompressibilität bei hydraulischen Antrieben Apparatus and method for compensating for the compressibility of hydraulic actuators |
| 02/13/2002 | EP1178943A1 Device for regulating the tilt function of a lifting mast, in particular for a fork-lift truck |
| 02/13/2002 | CN1335973A Method and device for transmitting control and/or sensor signals |
| 02/06/2002 | EP1178223A2 Hydraulic cylinder |
| 01/31/2002 | US20020013642 Intelligent hydraulic manifold used in an injection molding machine |
| 01/30/2002 | EP1176314A2 Method and system for compensating the compressibility in hydraulic drives |
| 01/23/2002 | EP0775337B2 Hydraulic drive control system |
| 01/17/2002 | US20020005501 Actuator control device |
| 01/03/2002 | US20020001519 Control arrangement |
| 01/02/2002 | EP1167843A2 Shuttle valve with improved shifting |
| 12/27/2001 | US20010054351 Force-controlled hydro-elastic actuator |