| 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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| 12/25/2001 | US6332316 Hydraulic control device for working vehicle |
| 11/29/2001 | DE10023274A1 Betätigungsanordnung zum Öffnen und Schließen von schwenkbaren Fahrzeugflügeln Actuating means for opening and closing of hinged wings vehicle |
| 11/15/2001 | WO2000029825A9 Loading assembly having a soft actuator |
| 11/15/2001 | DE10021744A1 Vorrichtung zur Einstellung des Differenzdrucks in einem Fluidzylinder Device for adjusting the differential pressure in a fluid cylinder |
| 11/14/2001 | EP1154112A2 Driving assembly for opening and closing swinging wings on vehicles |
| 11/07/2001 | EP1152155A2 Device for setting the differential pressure in a fluid cylinder |
| 10/24/2001 | EP1148250A1 Device for controlling an actuator |
| 10/17/2001 | EP1145208A2 Method and device for transmitting control and/or sensor signals |
| 10/04/2001 | US20010025613 Hydraulic actuator for variable valve mechanism |
| 10/03/2001 | CN1072322C Actuator operating signal sensor |
| 09/27/2001 | DE10013194A1 Drive device; has closed hydraulic circuit with hydraulic pump, which is operated by electric motor, where operation state of hydraulic pump determines activation of hydraulic drive |
| 09/20/2001 | US20010022083 Drive device |
| 09/19/2001 | EP1134431A1 Transmission installation |
| 09/18/2001 | US6289783 Hand/foot selector for electronic controls on a skid steer loader |
| 09/13/2001 | WO2001066341A1 Ram moving method for hydraulic machine, ram movement controller, method for preventing trapping of axial plunger pump used for the machine, and the pump |
| 09/13/2001 | WO2001066340A1 Device and method for controlling stop of hydraulic press and device and method for detecting trouble of speed selector valve |
| 09/12/2001 | CN1312741A Device for hydraulically adjusting rollers of strand guiding segments of continuous casting installation |
| 09/12/2001 | CN1070975C Automatic travel speed control device for hydraulic excavators |
| 09/11/2001 | US6289259 Intelligent hydraulic manifold used in an injection molding machine |
| 09/07/2001 | WO2001065121A2 Force-controlled hydro-elastic actuator |
| 08/23/2001 | WO2001060734A1 Device for regulating the tilt function of a lifting mast, in particular for a fork-lift truck |
| 08/23/2001 | DE10007688A1 Einrichtung zum Steuern der Neigenfunktion eines Hubmastes, insbesondere für einen Gabelstapler Means for controlling the tilting function of the lifting mast, especially for forklift trucks |
| 08/23/2001 | DE10007215A1 Elektrisch ansteuerbarer Stellantrieb Electrically controllable actuator |
| 08/22/2001 | EP1126182A2 Electrically-controlled positioning drive |
| 08/15/2001 | CN2443182Y 气动马达 Qidongmada |
| 08/07/2001 | USH1977 Closed loop hydraulic system with variable charge pressure |
| 08/02/2001 | WO2001018763A3 Method and device for transmitting control and/or sensor signals |
| 07/18/2001 | CN2439557Y Integrated and direct linkage type mechanical hydraulic apparatus |
| 07/17/2001 | US6260468 Single-piece proportional control |
| 07/11/2001 | CN2438859Y Electric control hydraulic actuating apparatus |
| 07/10/2001 | US6257119 Ball joint for servo piston actuation in a bent axis hydraulic unit |
| 07/10/2001 | US6257118 Method and apparatus for controlling the actuation of a hydraulic cylinder |
| 07/05/2001 | WO2000016464A9 Control system with integrated actuation package |
| 07/03/2001 | US6253657 Steering apparatus |
| 06/28/2001 | DE19953934A1 Linear drive for space travel applications has folding bellows connected to actuator, fixed and movable end plates connected to bellows ends, tension spring elements and hydraulic system |
| 06/13/2001 | EP1105235A1 Device for hydraulically adjusting the rollers of strand guiding segments of a continuous casting installation |
| 05/23/2001 | CN1296134A Single piece type proportion controller |
| 05/09/2001 | EP1097500A2 Control system with integrated actuation package |
| 05/03/2001 | WO2001031205A1 Precision servo control system for a pneumatic actuator |
| 05/03/2001 | DE19952266A1 Hydraulic drive regulation method |
| 05/03/2001 | CA2388576A1 Precision servo control system for a pneumatic actuator |
| 04/24/2001 | CA2024249C Fluid-powered precision oscillator |
| 04/19/2001 | WO2001027478A1 Robust servo/hydraulic control system and method |
| 04/19/2001 | DE10043451A1 Swivel inclined axes hydraulic unit for proportional regulation has proportional magnetic fluid valve connected to computer and to control piston to control fluid pressure and cylinder block |
| 04/18/2001 | EP1092868A2 Electro-hydraulic servomotor |
| 04/03/2001 | US6209825 Low power loss electro hydraulic actuator |
| 03/28/2001 | EP0960279A4 Controller and method of controlling a hydraulic control network with latching valve |
| 03/15/2001 | WO2001018763A2 Method and device for transmitting control and/or sensor signals |
| 03/15/2001 | DE19942508A1 Verfahren und Vorrichtung zur Übertragung von Steuer- und/oder Sensorsignalen Method and apparatus for transmission of control and / or sensor signals |
| 03/14/2001 | EP1083337A2 Hydraulic drive apparatus |
| 03/14/2001 | CN1287228A Ball socket joint for servo piston driving for cambered axle type hydraulic equipment |
| 03/08/2001 | DE10019248A1 Ventilpositionsgeber und Strom/Pneumatik-Wandler Valve position sensor and electric / pneumatic converter |
| 03/08/2001 | DE10008970A1 Adjustable inclined axis hydraulic unit with swivel yoke; has swivel yoke mounted in casing and pivot control device connected to yoke with casing having at least one servo bore for servo piston |
| 02/28/2001 | CN2421439Y High-rotary motor |
| 02/22/2001 | DE19937597A1 Setting drive for large industrial valves has the setting drive and the control system integrated within a common housing with virtual elimination of relative oscillations between the control and the drive |
| 02/20/2001 | US6189646 Traction lock/momentary override |
| 01/31/2001 | CN1281760A Gear quantitative cold precision extrusion working method |
| 01/10/2001 | EP1067293A2 Electro-hydraulic actuator and method for controlling actuator position |
| 01/09/2001 | US6171066 Automatic pneumatic pressure control apparatus and method of controlling same |
| 01/04/2001 | DE10024009A1 Control of the piston movement in a hydraulic cylinder by use of an electro-hydraulic controller in turn commanded by an electronic controller that has input from position sensor, operator commands and limiting piston speed values |
| 12/06/2000 | EP0853731B1 Electrohydraulic control valve arrangement |
| 12/06/2000 | CN2408987Y Numerically controlled and servo device for spinning reducing machine |
| 12/05/2000 | CA2043682C Integrated process control valve |
| 11/28/2000 | US6151874 Adjustment device for hydraulic cylinders |
| 11/22/2000 | EP1054161A1 Control valve with mechanical feedback and method for controlling fluid flow |
| 11/21/2000 | US6148837 Automatic pneumatic pressure control apparatus and method of controlling same |
| 10/26/2000 | DE19918164A1 Regulation parameter evaluation method for friction clutch in automobile drive transmission determines base regulation parameter value at which hydraulic fluid is supplied to clutch operating element |
| 10/17/2000 | US6131500 System and method for producing motion |
| 10/03/2000 | US6126401 Hybrid electric/hydraulic drive system |
| 09/20/2000 | EP0917675B1 Position regulator for drive systems and pneumatic control valve having a position regulator of this type |
| 09/12/2000 | US6116139 Pneumatically powered linear actuator control apparatus and method |
| 09/05/2000 | US6112638 Electropneumatic positioner having binary input arrangement providing access to electrical output functions thereof |
| 08/23/2000 | EP0879361A4 Power steering system with a variable bias between valve elements |
| 08/23/2000 | CN1263998A Force feedback and pilot type multi-stage electro-hydraulic servo control element/assembly with directional flow or bidirectional displacement output |
| 08/10/2000 | DE10004605A1 Hydraulik-Logik-Kreuzkopplung zwischen getrennten Redundanten Servoaktuatoren Hydraulic logic crosstalk between separate redundant servo actuators |
| 07/13/2000 | WO2000016464A3 Control system with integrated actuation package |
| 07/12/2000 | CN1259427A Intelligent type hydraulic valve oil distributor used for injection molding machine, and method therefor |
| 06/29/2000 | DE19961801A1 Hydraulic regulator device for utility vehicles esp. excavators has combination of valves with shift-down device for transmission to increase performance when working in hard grounds |
| 06/13/2000 | US6073644 Fluid-operated regulating apparatus and method of using the same |
| 06/07/2000 | EP1006016A2 Traction lock/momentary override |
| 05/25/2000 | WO2000029825A1 Loading assembly having a soft actuator |
| 04/26/2000 | EP0995578A2 Controlling a hydraulic actuator in an injection moulding machine |
| 04/19/2000 | CN1250936A Actuator structure specially used for controlling alone high safety industry installation |
| 04/04/2000 | US6047228 Method and apparatus for limiting the control of an implement of a work machine |
| 03/23/2000 | WO2000016464A2 Control system with integrated actuation package |
| 03/22/2000 | EP0987612A1 Arrangement for individually controlling an actuator in a high security industrial installation |
| 03/21/2000 | US6039077 Electrohydraulic control valve arrangement |
| 02/24/2000 | WO2000009279A1 Device for hydraulically adjusting the rollers of strand guiding segments of a continuous casting installation |
| 02/17/2000 | DE19836843A1 Apparatus for hydraulic setting of the rolls of billet guide segments of a continuous casting installation comprises switching valves connecting the hydraulic cylinder units to pressure sources and sinks |
| 12/29/1999 | EP0925457A4 Compact actuator and controller and pumping apparatus for same |
| 12/22/1999 | CA2242014A1 Positioning and actuating device for servoactuator power-assistance |
| 12/01/1999 | EP0960279A1 Controller and method of controlling a hydraulic control network with latching valve |
| 11/24/1999 | EP0958730A1 Device for actioning and adjusting working cylinders |
| 11/18/1999 | DE19823347A1 Einrichtung zur Steuerung und Einstellung von Arbeitszylindern Device for controlling and setting of working cylinders |
| 11/18/1999 | DE19806980A1 Hydraulic two-stage linear drive with piston and tank |
| 11/02/1999 | US5974945 Pneumatic valve positioner with adjustable gain |
| 10/05/1999 | US5960695 System and method for controlling an independent metering valve |
| 09/29/1999 | CN1230244A Electropneumatic positioner |
| 09/15/1999 | CN2338525Y Non-fixed direction type hydraulic parts |
| 09/14/1999 | US5950788 Operating device for operating a friction clutch |