| 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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| 04/25/2012 | CN202203190U 液压往复随动控制装置 Reciprocating hydraulic servo control device |
| 04/18/2012 | EP2440792A2 Proportional position feedback hydraulic servo system |
| 04/18/2012 | CN202194872U 液压随动旋转装置 Hydraulic servo rotary device |
| 04/18/2012 | CN202194871U 液压随动回转机构 Hydraulic servo rotary mechanism |
| 04/04/2012 | CN102400971A 电动·液压线性伺服阀 Electric Hydraulic linear servo valve |
| 04/03/2012 | US8146481 Actuator, actuator control method, and actuator control program |
| 03/28/2012 | EP2433018A1 Method for operating a hydraulic driving device and hydraulic driving device |
| 03/22/2012 | WO2012034165A1 Ultra high pressure pump |
| 02/16/2012 | WO2012021184A1 Power steering system |
| 02/09/2012 | US20120031089 Axial Bearing For Use In A Hydraulic Device, A Hydraulic Transformer And A Vehicle With A Hydraulic Drive System |
| 02/07/2012 | US8109197 Hydraulic control system and method |
| 02/02/2012 | WO2012015087A1 Swirl flow control system for construction equipment and method of controlling the same |
| 02/02/2012 | WO2012013373A1 Method for operating a hydraulic driving device and hydraulic driving device |
| 02/02/2012 | US20120023926 Hydraulic booster vented input rod with poppet |
| 01/26/2012 | DE102010054100A1 Hydraulic system for e.g. hydraulic power storage for internal combustion engine in moped, has proportionally adjustable supply valve i.e. butterfly valve, that is arranged between hydraulic motor and pressure line |
| 01/25/2012 | CN202125475U Switching valve and double-power closed hydraulic system with the same |
| 01/19/2012 | US20120011840 servo-control provided with a limit force detector device |
| 01/11/2012 | EP1145208B1 Method and device for transmitting control and/or sensor signals |
| 01/05/2012 | WO2012002586A1 Flow control system for a hydraulic pump of construction machinery |
| 01/04/2012 | EP2401457A1 Storage compartment |
| 01/04/2012 | CN1969127B Feedback control methods and apparatus for electro-pneumatic control systems |
| 12/28/2011 | CN202091271U Hydraulic slave system of moveable bridge |
| 12/21/2011 | CN102292554A 具有两个压力室的液压驱动装置和用于操作具有两个压力室的液压驱动装置的方法 The method of a hydraulic driving apparatus having two pressure chambers and a hydraulic drive device for operating the two pressure chambers of |
| 12/21/2011 | CN102287409A 液压随动旋转装置 Hydraulic servo rotary device |
| 12/21/2011 | CN102287408A 液压随动回转机构 Hydraulic servo rotary mechanism |
| 12/13/2011 | US8074557 Electrohydraulic booster |
| 12/08/2011 | DE102005023315B4 Servolenkungs-Vorrichtung Power steering apparatus |
| 12/07/2011 | CN1993557B 流体压力机组及流体压力机组的控制方法 The control method of fluid pressure units and fluid pressure units |
| 12/06/2011 | US8069772 Systems and methods for controlling hydraulic actuators |
| 12/01/2011 | WO2011148523A1 Operation time period setting device for fluid pressure actuator |
| 11/30/2011 | CN202055273U Rubber pipe reel follow-up system of continuous wall hydraulic grab |
| 11/16/2011 | CN101243362B Control method and control element for a mechanical-hydraulic system |
| 11/03/2011 | WO2011137199A1 Control of a fluid pump assembly |
| 11/03/2011 | US20110265641 Force amplifier |
| 11/03/2011 | DE102010038448B3 Verfahren zum Betreiben einer hydraulischen Antriebsvorrichtung und hydraulische Antriebsvorrichtung A method of operating a hydraulic driving apparatus and hydraulic drive apparatus |
| 10/13/2011 | DE102010014629A1 Anordnung mit einem elektropneumatischen Stellungsregler und mit einem pneumatischem Antrieb sowie Absperreinrichtung für eine derartige Anordnung Arrangement with an electro-pneumatic positioner and a pneumatic actuator and shut-off of such an arrangement |
| 10/11/2011 | CA2513707C Accurate fluid operated cylinder positioning system |
| 09/22/2011 | WO2011115902A1 Electro-mechanical control system positioning fluid motors |
| 09/22/2011 | WO2011114974A1 Control device for work machine on construction vehicle and control method |
| 09/21/2011 | CN201982389U 一种闭式液压系统 One kind of closed hydraulic system |
| 09/21/2011 | CN102192203A Hydraulic reciprocating follow-up control device |
| 09/20/2011 | US8020379 Double redundancy electro hydrostatic actuator system |
| 09/14/2011 | CN201972978U 液压系统的闭环控制装置 Closed-loop hydraulic system control device |
| 08/17/2011 | CN102159836A Control device for stroke of actuator |
| 08/17/2011 | CN102155453A Switching valve and double-motive power closed hydraulic system with switching valve |
| 08/11/2011 | WO2011095351A1 Fluid-actuated actuating drive on a valve |
| 07/28/2011 | DE102006002701B4 Hydraulikdruckregelvorrichtung und Vorrichtung zur Ermittlung einer Betriebskennlinie Hydraulic pressure control device and device for determining an operating characteristic |
| 07/20/2011 | CN102132048A Control device and control method for elastic actuator and control program |
| 07/14/2011 | US20110168012 Hydraulic pressure feedback for servovalves |
| 07/06/2011 | CN101243525B Self-actuated cylinder and oscillation spirometer |
| 06/30/2011 | WO2011056302A3 Method and apparatus for controlling a pump |
| 06/29/2011 | CN101368642B Positioner system of a pneumatic actuator |
| 06/08/2011 | EP2329152A1 System and method for adjusting the position of a control member of a power plant |
| 06/08/2011 | CN101111684B Hydraulic drive system |
| 06/04/2011 | CA2721663A1 Variable output hydraulic actuator system |
| 05/12/2011 | WO2011056302A2 Method and apparatus for controlling a pump |
| 04/20/2011 | EP1915650B8 Control method and control element for a mechanical-hydraulic system |
| 04/13/2011 | CN102016329A CNC punching machine |
| 04/12/2011 | US7921763 Braking control system comprising a force-control simulator |
| 04/06/2011 | EP2109718B1 System and method for controlling actuator position |
| 03/30/2011 | CN201776289U Improved follow-up hydraulic control system of rolling mill guide table |
| 02/23/2011 | EP1915650B1 Control method and control element for a mechanical-hydraulic system |
| 02/15/2011 | US7886652 Positioning control mechanism for single-acting air cylinder |
| 02/09/2011 | CN101440829B Engineering machinery and engineering machinery control method |
| 02/03/2011 | DE102005014416B4 Luftservozylindervorrichtung und Steuerverfahren hierfür Air servo cylinder apparatus and control method therefor |
| 01/26/2011 | CN101960153A Control system for recovering swing motor kinetic energy |
| 01/20/2011 | DE10024009B4 Verfahren und Vorrichtung zur Steuerung der Betätigung eines Hydraulikzylinders Method and apparatus for controlling the actuation of a hydraulic cylinder |
| 01/20/2011 | DE10001033B4 Hydraulischer Stellantrieb für eine Kraftfahrzeugservolenkung Hydraulic actuator for an automotive power steering |
| 01/19/2011 | CN101358663B Method for performing diagnostics in control loop of pneumatic operation control valve |
| 01/04/2011 | CA2610063C Telescopic device with internal stop that can be eliminated |
| 12/29/2010 | EP2267316A1 Hydraulic servo-drive device and variable turbo-supercharger using the same |
| 12/29/2010 | EP2267315A2 Electropneumatic actuator |
| 12/29/2010 | EP1287979B1 Method of operating a hydraulic press brake and hydraulic press brake with controller for executing the method |
| 12/29/2010 | CN101532516B Device for simulating servo system load by electrohydraulic servo |
| 12/29/2010 | CN101368644B A control loop used for positioning throttle part of pneumatic operation control valve |
| 12/28/2010 | US7856918 Pneumatic brake booster comprising a force sensor |
| 12/21/2010 | CA2483365C Method and apparatus for performing diagnostics in a control loop of a control valve |
| 12/07/2010 | US7845169 Drift compensation control method for a machine |
| 11/25/2010 | US20100294125 Control device for the position control of a hydraulic cylinder unit comprising a linearization unit |
| 11/18/2010 | US20100288119 Brake servo |
| 11/04/2010 | US20100275595 Mechanical stepper motors |
| 11/03/2010 | EP2245316A1 Control system for recovering swing motor kinetic energy |
| 11/03/2010 | CN101878389A Valve actuator system |
| 10/28/2010 | US20100269684 Vacuum Brake Booster for a Motor Vehicle Brake System |
| 10/28/2010 | US20100269683 Braking control system comprising a pressure-control simulator |
| 10/27/2010 | CN101871420A Two-degree of freedom spherical hydraulic motor with fixed rudder blade shaft |
| 10/20/2010 | CN101865170A Follow-up rotary valve-type reversing valve and follow-up reversing mechanism and follow-up reserving method |
| 10/13/2010 | CN201606319U 一种节能伺服液压动力系统 An energy-saving servo-hydraulic power system |
| 10/13/2010 | CN201606318U 一种伺服液压动力系统 One kind of servo-hydraulic power system |
| 10/13/2010 | CN101858366A Servo motor-driven combined oil pump |
| 10/06/2010 | EP2235348A2 Servo system using feedback |
| 10/06/2010 | CN1821587B Air pressure cylinder for positioning control |
| 09/22/2010 | EP2229537A1 Hydraulic drive device having two pressure chambers and method for operating a hydraulic drive device having two pressure chambers |
| 09/21/2010 | US7798174 Electric fluid servo valve and method of making same |
| 09/15/2010 | CN101832305A Rudder blade shaft follow-up two degree-of-freedom spherical hydraulic motor |
| 09/15/2010 | CN101392769B High precision hydraulic power source for directly driving oil pump by speed governing generator |
| 09/09/2010 | US20100224059 Electrohydraulic booster |
| 09/09/2010 | DE4326452B4 Elektrohydraulisches Stellventil mit Kompensation der Durchflußcharakteristik Electro-hydraulic servo valve with compensation of the flow characteristics |
| 09/07/2010 | US7788914 Apparatus operating hydraulic actuator for valve |
| 09/02/2010 | WO2010097133A1 Storage compartment |