Patents for F15B 19 - Testing fluid-pressure actuator systems or apparatus, so far as not provided for elsewhere (1,602)
08/2006
08/30/2006EP1386083B1 A control system and a method for controlling an actuator and for optimizing the control by means of sets of valves coupled in parallel
08/30/2006EP1266146B1 Improvements to electrical instrument circuits
08/30/2006CN1826252A Testing method and device of defect or fault in condensation air consuming loop of vehicle electronic condensation air system
08/23/2006EP1692402A1 Hydraulic cylinder arrangement provided with a position sensor for detecting a piston position
08/23/2006CN1821589A Double action cylinder loading test device
08/23/2006CN1271340C General loading system based on parallel connection 6 DOF platform
08/17/2006DE202005006469U1 Hydraulikzylinderkolben Hydraulic cylinder piston
08/09/2006CN1268853C Fluid operation loop for setting dead point position of punching head cylinder of punching machine
08/01/2006US7082758 Hydraulic machine, system for monitoring health of hydraulic machine, and method thereof
08/01/2006US7082756 Device for detecting failure of hydraulic motor, and hydraulic vehicle
07/2006
07/27/2006US20060162439 Hydraulic system health indicator
07/26/2006CN2799944Y Hydraulic two-way loading mechanism
07/11/2006US7073328 Method for controlling a pressure supply device in a hydraulic circuit
07/06/2006DE10331121B4 Schweres Baugerät, welches eine Diagnosefunktion für den Grad der Ölverschmutzung aufweist und ein Ölverschmutzungsgrad-Messsystem auf einem Netzwerk, welches dieselbe verwendet, und ein Betriebsverfahren Heavy construction equipment, having a diagnosis function for the degree of oil contamination, and an oil-contamination level measuring system for a network which uses the same, and an operating method
06/2006
06/28/2006EP1451493B1 Method for controlling a pressure supply device in a hydraulic circuit
06/27/2006US7066189 Predictive maintenance and initialization system for a digital servovalve
06/21/2006EP1027241B1 Method and device for estimating pressure or volume changes in a hydraulic system
06/14/2006EP1669613A1 Hydraulic control circuit and method thereof
06/14/2006CN1787937A Method for learning characteristic curves for hydraulic valves
06/13/2006CA2345280C A self-calibrating system and method for controlling a hydraulically operated device
06/01/2006WO2006056214A1 Diagnosis device for at least one pneumatic valve actuator arrangement
06/01/2006WO2006056187A1 Method for controlling the pressure supply of a hydraulic piston-cylinder unit which is connected to a pressure source, and hydraulic drive device
05/2006
05/18/2006WO2006051919A1 Pneumatic device selection system, pneumatic device selection method, recording medium, and pneumatic device selection program
05/16/2006US7044046 Hydraulic servo-assisted steering system for vehicles and a controlling method for a steering system of this type
05/16/2006US7043975 Hydraulic system health indicator
05/11/2006WO2006050024A1 Methods and apparatus for mechanically adjusting a null offset in a torque motor of a servovalve
05/04/2006US20060090802 Valve arrangement
05/04/2006DE102004052602A1 Ventilanordnung Valve assembly
05/03/2006EP1651488A1 Method and device for identifying a defect or failure of a compressed air load circuit in an electronic compressed air installation for vehicles
05/03/2006CN1766350A Valve arrangement
04/2006
04/18/2006US7031850 Method and apparatus for diagnosing leakage in a fluid power system
04/18/2006US7028469 Leakage compensation arrangement in a control device for a fully hydraulic steering system
04/13/2006DE10316129B4 Diagnosemodul und Steuergerät für eine Ventilbatterie Diagnostic module and control unit for a valve battery
04/06/2006DE102004005401B4 Verfahren zum Einstellen des Steuerstroms von stromgesteuerten Hydraulikventilen A method for adjusting the control current of current-controlled hydraulic valves
04/05/2006CN1249367C Device for detection of failure of hydraulic motor, and hydraulic vehicle
03/2006
03/22/2006CN1246744C Method and device for action management of electromagnetic valve
03/01/2006CN1740765A Maintenance timing detection mechanism of brake controlling device for railway vehicle
02/2006
02/22/2006CN2760316Y Mobile hydraulic test bench with adjustable pressure and flow
02/21/2006US7003429 Method for calculating the operating time of hydraulic components
02/15/2006EP1625058A1 Method for learning characteristic curves for hydraulic valves
02/14/2006US6999853 Methods and apparatus for operating and performing diagnostics in a control loop of a control valve
01/2006
01/26/2006WO2006010137A1 Servo mechanism test stand
01/26/2006WO2003016851A8 Method for monitoring the function of pressure medium lines and corresponding device
01/19/2006US20060011240 Fluidic control system
01/19/2006DE10351105B4 Elektrische Schaltunganordnung zur Steuerung der Schaltbewegung von Ventilen Electrical circuit arrangement for controlling the switching movement of valves
01/19/2006DE102005013858A1 Elektrohydraulischer Ventilservomechanismus mit adaptiver Widerstandsermittlungseinrichtung Electro-hydraulic servo valve mechanism with adaptive resistance determining means
01/12/2006US20060005604 Servo mechanism test stand
01/04/2006CN1715684A Fault detector for hydraulic mortor and hydraulic driving vehicle
12/2005
12/29/2005DE102004028054A1 Elektro-magnetisch betätigtes Steuerventil Electromagnetically actuated control valve
12/27/2005US6978859 Power steering system
12/14/2005EP1604120A1 Method for testing the function of a hydraulic valve and a test bench for carrying out said method
12/14/2005EP1448971B1 Method for monitoring the function of pressure medium lines and corresponding device
12/08/2005DE10321109B4 Leckagekompensierungsanordnung in einer Steuereinrichtung für ein vollhydraulisches Lenksystem Leckagekompensierungsanordnung in a controller for a fully hydraulic steering system
12/07/2005EP1602545A1 Compressed air processing device for vehicle air system
12/01/2005US20050262838 Hydraulic machine, system for monitoring health of hydraulic machine, and method thereof
12/01/2005DE10246882B4 Leckagekompensierungsanordnung in einer Steuereinrichtung für ein vollhydraulisches Lenksystem Leckagekompensierungsanordnung in a controller for a fully hydraulic steering system
12/01/2005DE102004022453A1 Controlling or regulating unit for especially valve has memory unit in which leak rate or leakage flow associated with the valve is stored in order for this to be taken into account by controlling or regulating unit during operation
11/2005
11/24/2005WO2005111433A1 Method for fault localisation and diagnosis in a fluidic installation
11/24/2005DE102004017894B3 Steuermodulanordnung und Druckluft-Wartungseinheit Control module assembly and compressed air conditioner unit
11/23/2005CN1699950A Hydraulic machine, system for monitoring health of hydraulic machine, and method thereof
11/17/2005WO2005109140A1 Method and apparatus for operating a control valve by means of a control loop and performing diagnostics of the same
11/16/2005CN1696517A Fault detector of hydraulic motor and hydraulically driven vehicle
11/10/2005DE102005016786A1 Verfahren und Vorrichtung zum Diagnostizieren eines Lecks in einem Fluidkraftsystem A method and apparatus for diagnosing a leakage in a fluid power system
11/09/2005CN1693743A Valve control device of considering leakage ratio
11/03/2005DE102004001915B3 Verfahren und Vorrichtung zur Funktionsüberwachung bei Ventilen Method and device for monitoring the function of valves
10/2005
10/27/2005US20050240807 Control module arrangement and compressed air maintenance unit
10/25/2005US6957567 Method and system for the controlled application of fluid pressure to a load, especially for pressure testing pipe
10/20/2005US20050234660 Method and apparatus for diagnosing leakage in a fluid power system
10/19/2005EP1586780A1 Control module arrangement and compressed air preparation unit
10/19/2005EP1586779A2 Control module arrangement and compressed air preparation unit
10/18/2005US6957127 Dynamic current-to-pneumatic converter and pneumatic amplifier
10/13/2005DE102004057878A1 For the semi-automatic calibration of electrically controlled hydraulic valves, in an electro-hydraulic pressure control system for vehicle brakes, a calibration curve is developed manually by points for values to be stored
10/11/2005US6954683 Method and apparatus for performing diagnostics in a control loop of a control valve
09/2005
09/29/2005US20050211936 Electrohydraulic valve servomechanism with adaptive resistance estimator
09/28/2005EP1580440A1 Method and device for condition monitoring of a hydraulically driven tool
09/22/2005US20050206113 Integrated hydraulic system for motor vehicles
09/15/2005US20050199403 Compressed air/gas-driven tool with integrated dryness indicator
09/14/2005EP1573211A1 Device for the status diagnosis of a hydraulic component in particular a hydraulic cylinder
09/14/2005EP1573210A1 Fluidic control system
09/13/2005US6941985 Drive device for packaging machine
09/01/2005DE10355250B4 Method for determining leaks of a pressure fluid in a pressure actuated machine using a mathematical equation relating pressure and flow volume and comparing actual values to a reference value
09/01/2005DE102004007955A1 Method for controlling hydraulic solenoid valves with compensating signal added to solenoid control signal to compensate for inertial delay
09/01/2005DE102004005743A1 Compressed air conditioner comprises a module connected to a conditioning unit containing a control/monitoring module and other modules via a pneumatic hose or pipeline
08/2005
08/25/2005DE102004005401A1 Verfahren zum Einstellen des Steuerstroms von stromgesteuerten Hydraulikventilen A method for adjusting the control current of current-controlled hydraulic valves
08/18/2005WO2005054687B1 Hydraulic cylinder arrangement provided with a position sensor for detecting a piston position
08/10/2005EP1561951A2 Method for adjusting the control current of hydraulic solenoid valves
08/10/2005CN1214197C Hydraulic motor trouble detector
08/10/2005CN1214196C Hydraulic motor trouble detector
08/09/2005US6927681 Mixed air amount alarm device
08/04/2005US20050171668 Method for the adjustment of the control current of current-controlled hydraulic valves
08/03/2005CN1650109A Method and apparatus for performing diagnostics in a control loop of a control valve
07/2005
07/28/2005DE10351105A1 Electrical circuit arrangement for controlling valve movement, has reading and visualizing module integrated into storage-programmable logic controller to select and display diagnostic data of valve at controller
07/20/2005EP1555472A1 Process and apparatus for monitoring the functioning of valves
07/19/2005US6920409 Apparatus for testing operation of an emergency valve
07/14/2005WO2005064170A1 Working vehicle and restart controlling method for working vehicle engine
07/13/2005EP1446318B1 Hydraulic servo-assisted steering system for vehicles and a controlling method for a steering system of this type
07/13/2005EP1392561B1 Apparatus and method for verifying the dynamic stiffness capability of hydraulic servo actuators
07/13/2005EP1032375B1 Hydraulic directional valve
07/07/2005US20050144936 Method and apparatus for control of hydraulic systems
07/05/2005US6912803 Failure detection device for hydraulic motor and hydraulic drive vehicle
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