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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11/30/2005 | EP1600641A1 Hydraulic device |
11/29/2005 | US6968771 Actuator cylinder |
11/24/2005 | DE19937597B4 Druckmittelbetriebener Stellantrieb Pressure medium operated adjustment actuator |
11/23/2005 | CN1699107A Power steering device |
11/16/2005 | EP1595079A1 Accurate fluid operated cylinder positioning system |
11/15/2005 | US6964322 Method and apparatus for synchronizing a vehicle lift |
11/10/2005 | US20050247455 Hydraulic circuit and method for operating a gripping device |
11/01/2005 | US6959637 Vacuum brake booster |
10/27/2005 | US20050237021 Rotatingly driving device of construction machinery |
10/27/2005 | DE19726821B4 Verfahren und Vorrichtung zur Steuerung eines Werkzeuges einer Arbeitsmaschine Method and apparatus for controlling a machine tool of a working |
10/26/2005 | EP1588058A2 Control unit for a pneumatic actuator operating a roof smoke extractor flap |
10/19/2005 | CN2734625Y Aviation ground facility hydrostatic open bridge driven walking system |
10/19/2005 | CN2734624Y Aviation ground facility hydrostatic open wheel edge driven walking system |
10/18/2005 | US6955113 Electro-hydraulic actuator with mechanical servo position feedback |
10/18/2005 | US6955044 Reaction arrangement for brake booster |
10/13/2005 | WO2005028166A8 Device and method for controlling elastic-body actuator |
10/11/2005 | US6954683 Method and apparatus for performing diagnostics in a control loop of a control valve |
10/06/2005 | US20050217475 Air servo cylinder apparatus and controlling method therefor |
10/05/2005 | CN1676950A Air servo cylinder apparatus and controlling method therefor |
10/04/2005 | US6951163 Shaft coupling and shifting mechanism for pneumatic pump |
09/22/2005 | DE10356971B4 Schaltung zum Regeln der Speisungsmenge einer hydraulischen Pumpe Circuit for controlling the supply amount of a hydraulic pump |
09/20/2005 | US6945040 Ram moving method for hydraulic machine, ram movement controller, method for preventing trapping of axial plunger pump used for the machine, and the pump |
09/15/2005 | US20050200195 Hydraulic device |
09/15/2005 | US20050199119 Shaft coupling and shifting mechanism for pneumatic pump |
09/14/2005 | CN2725598Y High performance electrohydraulic servo controller |
09/13/2005 | US6941783 Double action oil hydraulic press |
09/01/2005 | DE102004007956A1 Method for controlling hydraulic solenoid valves with compensating signal added to solenoid control signal to compensate for inertial delay |
08/23/2005 | CA2435225C Method and apparatus for multiple-input-multiple-output of a valve/actuator plant |
08/17/2005 | CN1215265C Ball socket joint for servo piston driving for cambered axle type hydraulic equipment |
08/16/2005 | US6928917 Control valve |
08/11/2005 | WO2005073565A1 Hydraulic actuator control valve |
08/11/2005 | CA2553138A1 Hydraulic actuator control valve |
08/10/2005 | CN1653680A Rotatingly driving device of construction machinery |
08/09/2005 | US6925807 Actuator control system for hydraulic devices |
08/03/2005 | CN1650158A Servo-controlled integral stop for use with a servo-controlled hydraulic piston |
08/03/2005 | CN1650109A Method and apparatus for performing diagnostics in a control loop of a control valve |
08/03/2005 | CN1648466A Worm wheel motor of pneumatic tool |
07/28/2005 | US20050163639 Hydraulic actuator control valve |
07/27/2005 | CN1212481C Single piece type proportion controller |
07/26/2005 | US6920821 Device and method for controlling stop of hydraulic press and device and method for detecting trouble of speed selector valve |
07/14/2005 | DE10327371B4 Positionssteuerungsvorrichtung für einen elektro-fluidtechnischen Antrieb und Verfahren zur Positionssteuerung Position control device for an electro-fluidic drive and method for controlling the position |
07/13/2005 | EP1553308A1 Electrohydraulic actuation system |
07/07/2005 | WO2005061905A1 Method and device for switching hydraulic fluid supplies, such as for a hydraulic pump/motor |
07/07/2005 | CA2546792A1 Method and device for switching hydraulic fluid supplies, such as for a hydraulic pump/motor |
07/06/2005 | EP1549857A1 Regulating device for a hydraulic system |
06/30/2005 | US20050138924 Hydraulic drive apparatus |
06/09/2005 | US20050120873 Method and device for switching hydraulic fluid supplies, such as for a hydraulic pump/motor |
05/18/2005 | EP1383616B1 Controller for an unbalanced mass adjusting unit of a soil compacting device |
05/18/2005 | CN1202360C Multi-path synchronous hydraulic servo driving device |
05/06/2005 | WO2004011812A3 Actuator control system for hydraulic devices |
05/05/2005 | US20050095069 Method for use in offshore load transfer and floater and hydraulic device for the same |
04/27/2005 | CN2695705Y Feedback mechanism and valve positioner |
04/20/2005 | CN2693408Y Fixed delivery pump frequency changing type hydraulic speed regulating arrangement |
04/06/2005 | CN1604994A Actuator cylinder |
03/31/2005 | WO2005028166A1 Device and method for controlling elastic-body actuator |
03/17/2005 | DE10338551B3 Hydraulisches Antriebssystem für Dächer von Fahrzeugen A hydraulic drive system for vehicle roofs |
03/15/2005 | US6868305 Intelligent hydraulic manifold used in an injection molding machine |
03/09/2005 | EP1511985A1 Servo-controlled integral stop for use with a servo-controlled hydraulic piston |
03/03/2005 | WO2005018972A1 Hydraulic drive system used for the covers of vehicle openings |
03/02/2005 | CN2682236Y Liquid controlling device for electric control hydraulic actuator |
03/02/2005 | CN2682233Y Electric control hydraulic actuating unit with a cryptomorphic switch |
02/24/2005 | US20050039807 Electric fluid servo valve and method of making same |
02/24/2005 | DE10013194B4 Antriebsvorrichtung Driving device |
02/23/2005 | EP1508731A1 Electric fluid servo valve and method of making same |
02/09/2005 | EP1505717A1 Rotatingly driving device of construction machinery |
02/02/2005 | EP1502031A1 Method and apparatus for performing diagnostics in a control loop of a control valve |
02/02/2005 | CN1573175A Method and apparatus for controlling a solenoid valve of an automatic transmission of a vehicle |
02/02/2005 | CN1573133A Circuit for controlling discharge amount of hydraulic pump |
01/27/2005 | DE10356971A1 Schaltung zum Regeln der Speisungsmenge einer hydraulischen Pumpe Circuit for controlling the supply amount of a hydraulic pump |
01/13/2005 | DE10327371A1 Positioning control device for electro-fluidic drive with power pick-off device, includes fluidic actuator and electric actuator for driving power-pick-off device |
01/06/2005 | US20050000351 Control method |
01/06/2005 | US20050000350 Actuator cylinder |
01/05/2005 | DE10361668A1 Verfahren und Vorrichtung zum Steuern des Solenoidventils eines Automatikgetriebes eines Kraftfahrzeugs Method and apparatus for controlling the solenoid valve of an automatic transmission of a motor vehicle |
01/04/2005 | US6837054 Actuator assembly with synchronized hydraulic actuators |
12/30/2004 | US20040261608 Multi-valve fluid operated cylinder positioning system |
12/23/2004 | US20040258537 Circuit for controlling discharge amount of hydraulic pump |
12/16/2004 | US20040254706 Method and apparatus for controlling a solenoid valve of an automatic transmission of a vehicle |
12/07/2004 | US6826998 Electro Hydraulic servo valve |
12/02/2004 | DE10311156B3 Fahrzeug mit einer Anbaueinrichtung Vehicle having an attachment device |
12/02/2004 | DE10049958B4 Fluidtechnische Anordnung sowie Ventilanordnung und Aktuator hierfür Fluidic assembly and valve assembly and actuator therefor |
12/01/2004 | EP1325237B1 Arrangement using fluid technology and valve arrangement and actuator for the same |
11/24/2004 | EP1478568A1 Method for use in offshore load transfer, and a floater and hydraulic device for the same |
11/16/2004 | US6817277 Device for controlling hydraulic pressure of construction machine |
11/11/2004 | WO2004065798A8 Accurate fluid operated cylinder positioning system |
11/04/2004 | DE102004012294A1 Hochgeschwindigkeitsantriebsverfahren und -system für Druckzylinder High-speed driving method and system for printing cylinder |
11/03/2004 | EP1472461A1 Spool valve |
11/03/2004 | CN2653192Y Buffer valve capable of sufficiently regulating liquid pressure |
10/27/2004 | EP1470336A2 Actuator cylinder |
10/21/2004 | WO2004090340A1 Multi-valve fluid operated cylinder positioning system |
10/14/2004 | WO2004066043A3 Control unit for a pneumatic actuator operating a roof smoke extractor flap |
10/14/2004 | US20040200349 Accurate fluid operated cylinder positioning system |
10/12/2004 | US6802242 Pneumatic circuit control system |
10/07/2004 | WO2004085855A1 Hydraulic device |
10/05/2004 | US6799501 High speed driving method and apparatus of pressure cylinder |
09/30/2004 | US20040193327 Servo-valve control device and servo-valve control system with abnormality detection |
09/30/2004 | DE10314302B3 Hydraulische Antriebsvorrichtung, Verfahren zum Betreiben einer hydraulischen Antriebsvorrichtung A hydraulic drive apparatus, method for operating a hydraulic drive device |
09/29/2004 | EP1462660A1 Hydraulic actuator, method for operating a hydraulic actuator and controller therefor |
09/23/2004 | US20040182231 High-speed driving method and system of pressure cylinder |
09/23/2004 | US20040182074 Pneumatic circuit control system |
09/22/2004 | CN1167886C Electro-hydraulic servo control element/assembly |