| Patents for F15B 19 - Testing fluid-pressure actuator systems or apparatus, so far as not provided for elsewhere (1,602) |
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| 02/03/2010 | CN201396340Y Multi-point oil supply running state detection device for hydraulic system based on oil pump feed |
| 02/03/2010 | CN201396339Y Oil contamination-monitoring system for hydraulic system |
| 01/28/2010 | DE102008034624A1 Method for technical testing of hydraulic elevator, involves determining maximum pressure in system, where static pressure is determined for elevator car which is loaded with load, and dynamic pressure is determined for elevator car |
| 01/20/2010 | CN100582498C Hydraulic system power measuring device based on MEMS insert type flow sensor |
| 01/07/2010 | WO2009133298A3 Method for monitoring the status of an energy reserve accumulator, particularly for an aircraft |
| 01/07/2010 | DE102007015111B4 Sensorvorrichtung für ein fluidtechnisches Gerät Sensor device for a fluidic device |
| 01/06/2010 | CN201377482Y Electromagnetic directional valve compulsator |
| 12/23/2009 | CN101608648A Method for acquiring characteristic parameters of displacement control mechanism of hydraulic pump and detection device |
| 12/23/2009 | CN100571922C Hydraulic tube expanding forming device |
| 12/17/2009 | WO2009151955A1 Control valve system with cycle monitoring, diagnostics and degradation prediction |
| 12/16/2009 | CN201363337Y Electric-hydraulic servo control test platform |
| 12/16/2009 | CN101603559A Method and device for detecting efficiency parameters of hydraulic system and engineering machinery having the device |
| 12/10/2009 | US20090306830 Control Valve System with Cycle Monitoring, Diagnostics and Degradation Prediction |
| 12/09/2009 | CN101598159A Portable active hydraulic tester and test method |
| 11/19/2009 | WO2009138558A1 Method for determining dead zone of valve |
| 11/19/2009 | DE19855684B4 System und Verfahren zum Kalibrieren eines Zumessventils System and method of calibrating a metering valve |
| 11/18/2009 | EP2118501A1 Method for automatically determining the state of a hydraulic aggregate |
| 11/12/2009 | WO2009137142A1 Method and apparatus for controlling fluid flow rate characteristics of a valve assembly |
| 11/12/2009 | DE202008013127U1 Einrichtung zur Erfassung von Leckverlusten einer Druckluftanlage Means for detecting leakage of a compressed air system |
| 11/12/2009 | DE102008023198A1 Hydraulikventilsteuergerät und Verfahren zum Überprüfen eines Hydraulikventilsteuergeräts Hydraulic valve control apparatus and method for checking a hydraulic valve control device |
| 11/12/2009 | DE102008001591A1 Gehäuse für eine Antriebsvorrichtung, Antriebsvorrichtung sowie Verfahren zum Überprüfen der Dichtheit einer Druckausgleichsmembran A housing for a drive mechanism, drive device and method for checking the tightness of a pressure compensation membrane |
| 11/11/2009 | CN101577413A Hydraulic valve control circuit and method for checking the function of a hydraulic valve control circuit |
| 11/05/2009 | WO2009133298A2 Method for monitoring the status of an energy reserve accumulator, particularly for an aircraft |
| 11/05/2009 | DE102007015656B4 Fluidtechnische Anordnung Fluidic assembly |
| 10/21/2009 | CN201330771Y Comprehensive test device for hydraulic pressure of blue oil |
| 10/15/2009 | DE102008002136B3 Mechanical adjusting movement activation device i.e. pyrotechnic tripping device, for e.g. rollover protection system, in motor vehicle, has piston moved from resting to action position when cylinder is loaded with fluid pressurizing medium |
| 10/14/2009 | CN201326592Y All-pneumatic control stepless load controller |
| 09/30/2009 | EP1881241B1 Failure detection device for hydraulic motor and hydraulic drive vehicle |
| 09/24/2009 | DE102009008521A1 Verfahren und Vorrichtung zum Lecktesten eines hydraulischen Kupplungsbetätigungssystems Method and apparatus for leak testing a hydraulic clutch actuation system |
| 09/23/2009 | CN100543628C Methods and apparatus for operating and performing diagnostics in a control loop of a control valve |
| 09/16/2009 | CN101532526A Improved automatic hydraulic oil temperature adjusting system of electro-hydraulic servo universal tester |
| 09/02/2009 | CN101520062A Test system and test method used for servo hydraulic cylinder |
| 08/26/2009 | CN101517245A Method for calibrating independent metering valves |
| 08/20/2009 | WO2009100734A1 Soft start device for compressed air systems and method for operating a soft start device |
| 08/20/2009 | CA2715222A1 Soft start device for pneumatic systems and method for the operation of a soft start device |
| 08/12/2009 | CN201288648Y Plunger type manual high pressure rower pump |
| 08/05/2009 | EP2085622A1 Continuous compressed air leakage monitoring system and method |
| 07/30/2009 | DE112007001979T5 Verfahren zum Kalibrieren unabhängiger Dosierventile A method for calibrating an independent metering valves |
| 07/22/2009 | CN201277222Y Oil overflow-resistant door of hydraulic component experiment cabinet |
| 07/01/2009 | EP2075474A2 Degraded actuator detection |
| 07/01/2009 | EP1361379B1 Hydraulic motor trouble detector and hydraulically driven vehicle |
| 07/01/2009 | CN201265573Y Test bed for hydraulic cylinder |
| 06/25/2009 | DE10258873B4 Diagnoseeinrichtung für eine fluidtechnische Einrichtung sowie damit ausgestattete fluidtechnische Einrichtung Diagnostic device for a fluidic device and thus equipped fluidic device |
| 06/24/2009 | CN101463847A Load frequency response test system and method for hydraulic cylinder |
| 06/17/2009 | EP1815148B1 Method for controlling the pressure supply of a hydraulic piston-cylinder unit which is connected to a pressure source, and hydraulic drive device |
| 06/10/2009 | CN101454580A Method for fault localization and diagnosis in a fluidic installation |
| 06/10/2009 | CN101451559A Pressure test frock for electro-hydraulic servo valve pilot valve component |
| 06/10/2009 | CN101451558A Pressure test frock for electro-hydraulic servo valve body |
| 06/10/2009 | CN101451557A Flow detection frock for nozzle restrictor in electro-hydraulic servo valve |
| 06/04/2009 | DE19915260C5 Linearantrieb Linear drive |
| 05/28/2009 | US20090133573 Method for identification of the drive type of an actuating drive |
| 05/26/2009 | CA2504225C Hydraulic machine, system for monitoring health of hydraulic machine, and method thereof |
| 05/20/2009 | CN201241898Y Hydraulic system power measuring apparatus based on MEMS plug-in type flow sensor |
| 05/20/2009 | CN201241897Y Hydraulic system power measuring mechanism based on MEMS V cone flow sensor |
| 05/20/2009 | CN201241896Y Hydraulic system power measuring device based on MEMS reducing pipe flow sensor |
| 05/07/2009 | US20090114284 Detecting of faults in a valve system and a fault tolerant control |
| 05/07/2009 | DE102008003462A1 Ausfalldiagnosevorrichtung für ein Proportionalventil Failure diagnosis apparatus for a proportional valve |
| 05/06/2009 | EP2056177A2 Proportional valve means and method |
| 05/06/2009 | EP1361378B1 Hydraulic motor trouble detector and hydraulically driven vehicle |
| 05/06/2009 | CN101427033A Method for fault localization and diagnosis in a fluidic installation |
| 05/06/2009 | CN101424284A Gear box oil pump test control timing method and timer |
| 04/23/2009 | WO2009051546A1 Method and arrangement for detecting leakage of hydraulic oil |
| 04/23/2009 | CA2702384A1 Method and arrangement for detecting leakage of hydraulic oil |
| 04/22/2009 | CN101413521A Experimental apparatus and method for obtaining multi-source diagnostic information of hydraulic equipment |
| 04/15/2009 | EP2047118A1 Method for fault localization and diagnosis in a fluidic installation |
| 04/15/2009 | EP2047117A1 Method for fault localization and diagnosis in a fluidic installation |
| 04/08/2009 | CN101403402A Hydraulic system power measurement apparatus based on MEMS plug-in type flow transducer |
| 03/11/2009 | CN201206575Y Hydraulic damping device for simulating biaxial loading |
| 03/05/2009 | DE102007040538A1 Hydraulic machine's i.e. axial piston machine, abnormal condition diagnosing method, involves comparing model size with corresponding measured variable of machine for producing reference size that is evaluated to diagnose error of machine |
| 02/26/2009 | DE102007039716A1 Pneumatic actuating drive's drive type recognizing method for industrial process system, involves recording actuating unit's angular position and determining drive type from span between final angle positions at drive's setting area borders |
| 02/26/2009 | DE102007039663A1 Ventilanordnung mit Diagnosemitteln zum Feststellen eines Wartungsbedarfs Valve assembly with diagnostic means for determining a need for maintenance |
| 02/25/2009 | EP2028379A2 Valve assembly with diagnosis elements for measuring the need for maintenance |
| 02/25/2009 | CN101372993A Actuating drive's drive type recognizing method |
| 02/19/2009 | WO2009021531A1 Diagnostic unit for monitoring the movement of an actuator element |
| 02/18/2009 | CN101368644A A control loop used for positioning throttle part of pneumatic operation control valve |
| 02/18/2009 | CN101368643A Method for detecting fault of pneumatic operation control valve in a control loop |
| 02/18/2009 | CN101368642A Positioner system of a pneumatic actuator |
| 02/05/2009 | DE202007018667U1 Fluidtechnische Anordnung Fluidic assembly |
| 02/04/2009 | CN101358663A Method for performing diagnostics in control loop of pneumatic operation control valve |
| 02/04/2009 | CN100458391C Hydraulic machine, system for monitoring health of hydraulic machine, and method thereof |
| 01/27/2009 | US7483779 Method for the adjustment of the control current of current-controlled hydraulic valves |
| 01/21/2009 | EP1812717B1 Apparatus for mechanically adjusting a null offset in a torque motor of a servovalve and servovalve therewith |
| 01/21/2009 | CN101349296A Hydraulic system power measuring device based on MEMS reducing pipe flow sensor |
| 01/21/2009 | CN100453998C Maintenance timing detection mechanism of brake controlling device for railway vehicle |
| 01/15/2009 | WO2009007019A1 Measuring method and measuring device |
| 01/14/2009 | CN101344105A Hydraulic system power measurement apparatus of V prick flow transducer based on MEMS |
| 01/07/2009 | EP2012048A2 Automatic transmission hydraulic pressure control apparatus |
| 01/06/2009 | US7474948 Concept for using software/electronics to calibrate the control system for an automatic transmission |
| 12/24/2008 | EP2006547A2 Method and apparatus for performing diagnostics in a control loop of a control valve |
| 12/17/2008 | CN101326374A Electro-hydraulic control device, valve and activating electronics |
| 11/27/2008 | DE102007023819A1 Verfahren zum Überwachen der Dichtheit eines Druckluftsystems und hierfür vorgesehene elektronische Vorrichtung A method for monitoring the tightness of a compressed air system and provided for this purpose electronic device |
| 11/25/2008 | US7457716 Control module arrangement and compressed air maintenance unit |
| 11/25/2008 | US7455138 Integrated hydraulic system for motor vehicles |
| 10/08/2008 | CN201129333Y Synthetic debugging platform of multi-channel ABS anti-locking system |
| 10/02/2008 | DE102007015656A1 Fluidtechnische Anordnung Fluidic assembly |
| 10/02/2008 | DE102007015111A1 Sensorvorrichtung für ein fluidtechnisches Gerät Sensor device for a fluidic device |
| 10/01/2008 | CN101275598A Sensor device for a fluid power apparatus |
| 09/17/2008 | CN100419278C Method and apparatus for performing diagnostics in a control loop of a control valve |
| 09/03/2008 | EP1963685A1 Electro-hydraulic control device, valve and activating electronics |
| 09/03/2008 | CN201110290Y Device for detecting multifunctional oil cylinder |