Patents for F15B 19 - Testing fluid-pressure actuator systems or apparatus, so far as not provided for elsewhere (1,602)
06/2005
06/30/2005DE10355250A1 Verfahren und Vorrichtung zur Leckage-Ermittlung Method and apparatus for leak detection
06/30/2005DE102004026624B3 Control method for automobile pressurized air supply unit using detection of pressure characteristic of central air flow for correction of required air quantity in load phase and/or regeneration phase
06/28/2005US6912479 Heavy equipment having oil pollution degree diagnosing function, and oil pollution degree measuring system on network using the same, and operation method
06/23/2005DE19710051B4 Verfahren zum Einstellen des Gesamthubes eines Elektromagnetventils und Enstelllehre A method of adjusting the total stroke of a solenoid valve and Enstelllehre
06/16/2005WO2005054687A1 Hydraulic cylinder arrangement provided with a position sensor for detecting a piston position
06/09/2005US20050121974 Method and device for monitoring a brake system
06/09/2005DE202004020347U1 Pneumatic valve drive has drive shaft and setting shaft sensors either side of coupling interface with processing to verify correct connection
06/09/2005DE10352308A1 Calibration method e.g. for differential pressure sensors, involves having two pressure entrances and seizing difference of pressure with high pressures with pressure entrances are attached to two pressure exits of hydraulic system
05/2005
05/24/2005US6895798 Method of calibrating a solenoid operated pressure control valve and method of controlling same
05/19/2005DE202004018420U1 Hydraulic drive assembly comprises an acquisition unit for acquiring the amount of a displaced fluidic pressure medium and a control unit
04/2005
04/20/2005CN2694018Y Apparatus having high pressure experimenting and cleaning functions for aerostat hydraulic system
04/19/2005US6880331 Method and apparatus for control of hydraulic systems
04/13/2005EP1454413B1 Method for calculating the operating time of hydraulic components
04/06/2005CN2690883Y Hydraulic test device
04/06/2005CN1195944C Method for selecting pneumatic device
03/2005
03/29/2005US6871576 Hydraulic isolation valve
03/24/2005US20050061574 Power steering system
03/09/2005EP1266147B1 Fluidic system with a safety function
02/2005
02/24/2005US20050043923 Method and apparatus for diagnosing a cyclic system
02/24/2005US20050039450 Hydraulic servo-assisted steering system for vehicles and a controlling method for a steering system of this type
02/23/2005EP1508736A1 Method and apparatus for diagnosing a cyclic system
02/17/2005WO2005014353A1 Method and device for identifying a defect or failure of a compressed air load circuit in an electronic compressed air installation for vehicles
02/17/2005DE19806544B4 Verfahren zum Messen der Arbeitskennlinie eines elektromagnetischen Proportionalsteuerventils, Verfahren zum Steuern des Betriebs eines Hydraulikzylinders und Verfahren zum Modifizieren der Arbeitskennlinie eines elektromagnetischen Proportionalsteuerventils A method for measuring the operating characteristic of a solenoid proportional control valve, method for controlling the operation of a hydraulic cylinder and method for modifying the operating characteristic of a solenoid proportional control valve
02/10/2005US20050033552 Method for calculating the operating time of hydraulic components
02/10/2005DE10146367B4 Bestimmung der Funktionsfähigkeit eines Fluiddruckspeichers einer Bremsanlage Determining the operability of a memory of a fluid pressure braking system
02/03/2005US20050022589 Hydraulic system health indicator
02/03/2005DE10305000B4 Metallbalgdruckspeicher für hydraulische Systeme Metal bellows for hydraulic systems
02/02/2005EP1502031A1 Method and apparatus for performing diagnostics in a control loop of a control valve
02/02/2005CN1573128A Serial modules of electric valve driver for controlling hydrodynamic valve device
01/2005
01/26/2005CN1570406A Concept for using software/electronics to calibrate the control system for an automatic transmission
01/19/2005CN2672344Y Liquid control throttle oil changing valve
01/11/2005CA2256608C Testing of fluid systems
01/06/2005US20050002796 Method for controlling a pressure supply device in a hydraulic circuit
01/06/2005US20050000580 Predictive maintenance and initialization system for a digital servovalve
01/05/2005CN2668906Y Hydraulic equipment detecting-experiment bench
01/05/2005CN1183373C Position detecting device and its method, hydraulic cylinder, engineering vehicle
12/2004
12/15/2004CN1180233C Hydraulic energy source equipment
12/09/2004US20040244856 Concatenation module for the control of an electrical valve drive of a fluid power valve arrangement
12/09/2004DE10321109A1 Leakage compensation system in control device for fully hydraulic steering system, has auxiliary fluid path with valve arrangement through which hydraulic fluid can be supplied or drained off and which can be activated via control component
12/08/2004EP1484511A1 Chaining module in control of electrically actuating valve in fluid power control unit in Fluid power control device
11/2004
11/25/2004WO2004101339A1 Method for learning characteristic curves for hydraulic valves
11/25/2004US20040236472 Methods and apparatus for operating and performing diagnostics in a control loop of a control valve
11/25/2004DE10215558B4 Fehlfunktionserfassungsvorrichtung eines Balgspeichers für ein druckbeaufschlagtes Fluid Malfunction detection device of a bellows element for a pressurized fluid
11/18/2004US20040230359 Concept for using software/electronics to calibrate the control system for an automatic transmission
11/17/2004CN1546876A General loading test system based on parallel connection multi-DOF mechanism
11/17/2004CN1546875A General loading system based on parallel connection 6 DOF platform
11/03/2004CN1542316A Method of calibrating a solenoid operated pressure control valve and method of controlling same
10/2004
10/28/2004DE10316129A1 Diagnosis module and control unit for a fluid technology valve battery, whereby the diagnosis module is designed to fit into an existing valve module mounting position and use its associated communications connections
10/28/2004DE10052664B4 Vorrichtung zur Prozeßüberwachung Apparatus for process monitoring
10/27/2004CN2651492Y Hydraulic test stand
10/21/2004US20040206155 Method of calibrating a solenoid operated pressure control valve and method of controlling same
10/20/2004EP1469220A1 Method of calibrating a solenoid operated pressure control valve and method of controlling same
10/13/2004EP1467126A2 Concept for using software/electronics to calibrate the control system for an automatic transmission
10/07/2004DE10312087A1 Verfahren zur Funktionsprüfung eines Hydraulikventils und Prüfstand zur Durchführung des Verfahrens A method for functional testing of a hydraulic valve and test bench for carrying out the method
10/06/2004CN2646688Y Hydraulic test bench for storage battery forklift truck
10/06/2004CN2646453Y Hydraulic workbench
09/2004
09/30/2004WO2004083650A1 Method for testing the function of a hydraulic valve and a test bench for carrying out said method
09/30/2004US20040187562 Method and system for the controlled application of fluid pressure to a load, especially for pressure testing pipe
09/30/2004DE10314302B3 Hydraulische Antriebsvorrichtung, Verfahren zum Betreiben einer hydraulischen Antriebsvorrichtung A hydraulic drive apparatus, method for operating a hydraulic drive device
09/29/2004EP1462660A1 Hydraulic actuator, method for operating a hydraulic actuator and controller therefor
09/21/2004US6795780 Fluid energy pulse test system—transient, ramp, steady state tests
09/08/2004EP1454413A1 Method for calculating the operating time of hydraulic components
09/02/2004US20040168435 Device for detecting failure of hydraulic motor, and hydraulic vehicle
09/01/2004EP1451493A1 Method for controlling a pressure supply device in a hydraulic circuit
08/2004
08/26/2004US20040167726 Method of flow control
08/26/2004DE10305000A1 Metallic bellows pressure accumulator for a hydraulic system, e.g. a motor vehicle braking system, has a pressure sensor and evaluation unit for early detection of its faulty operation
08/25/2004EP1448971A1 Method for monitoring the function of pressure medium lines and corresponding device
08/19/2004WO2004061345B1 Apparatus and method for testing hydraulic pressure relief valves
08/19/2004US20040159356 Hydraulic isolation valve
08/18/2004EP1446599A1 Device for locking a component that is guided in a longitudinally movable manner
08/18/2004EP1446318A1 Hydraulic servo-assisted steering system for vehicles and a controlling method for a steering system of this type
08/18/2004EP1358417B1 Apparatus for testing operation of an emergency valve
08/18/2004CN1521408A Pressure cylinder for a drafting arrangement of a textile machine
08/04/2004EP1443219A1 Method and device for testing a pneumatic actuator
08/03/2004US6769250 Fluidic system with a safety function
07/2004
07/27/2004US6766681 Malfunction detection device of a bellows type accumulator for pressurized fluid
07/22/2004WO2004061345A1 Apparatus and method for testing hydraulic pressure relief valves
07/22/2004US20040139851 Pressure cylinder for a drafting arrangement of a textile machine
07/22/2004DE10331121A1 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
07/22/2004DE10135361B4 Dichtheitsprüfung einer pneumatischen Niveauregulierung Leak testing of a pneumatic level control
07/20/2004US6764059 Valve isolation system
07/15/2004US20040134189 Computer monitored portable hydraulic power generation system
07/15/2004DE10259962A1 Monitoring system for the correct position of an electromagnetic hydraulic valve in a road vehicle transmission system
07/15/2004DE10259394A1 Vorrichtung zur Zustandsdiagnose einer fluidtechnischen Komponente, insbesondere eines Fluidikzylinders Device for condition diagnosis of fluid power component, in particular a fluidic cylinder
07/14/2004CN1512183A Equipment capable of diagnozing palluted degree of machine oil and its network measuring system and operation method
07/08/2004WO2004057197A1 Device for the status diagnosis of a hydraulic component in particular a hydraulic cylinder
07/08/2004US20040129054 Apparatus and method for testing hydraulic pressure relief valves
07/06/2004US6758096 Method for monitoring the gas prefill pressure in hydraulic accumulators
07/01/2004WO2004055387A1 Fluidic control system
07/01/2004US20040128107 Heavy equipment having oil pollution degree diagnosing function, and oil pollution degree measuring system on network using the same, and operation method
06/2004
06/17/2004DE10222890B4 Elektrische Einrichtung für die Ansteuerung eines Mehrwegeventils mit einer Verschleißzustandserkennung An electrical device for driving a multi-way valve with a wear state detection
06/16/2004EP1428914A2 Pressure fluid cylinder particularly for a drafting arrangement in a textile machines
06/09/2004DE10351518A1 Beimischluftmengenwarnvorrichtung Beimischluftmengenwarnvorrichtung
06/01/2004US6745084 Valve positioner system
05/2004
05/27/2004DE10253296A1 Car hydraulic brake undissolved gas test procedure, compares regression lines fitted to measured pressure versus piston travel with predicted values
05/18/2004US6736213 Method and system for controlling a downhole flow control device using derived feedback control
05/13/2004US20040093173 Apparatus for testing operation of an emerceny valve
05/13/2004US20040090347 Mixed air amount alarm device
05/13/2004US20040090113 Method for checking a pressure fluid reservoir
04/2004
04/29/2004DE10303856B3 Device for switching valve, preferably hydraulic pilot valve, has actuating lever joined to bearing body via solid body joint whose position and alignment in housing can be adjusted/set by adjuster
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