| Patents for F15B 19 - Testing fluid-pressure actuator systems or apparatus, so far as not provided for elsewhere (1,602) |
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| 06/11/2002 | US6401456 Method and device for controlling work machine |
| 06/04/2002 | US6397655 Auto-calibration of a solenoid operated valve |
| 05/14/2002 | US6386229 Method and device for managing operation of solenoid valve |
| 05/08/2002 | DE10052664A1 Industrial process, monitoring device e.g. designed as, or equipped with, micro-computer, has signaling device for indicating out-of-tolerance deviations |
| 05/02/2002 | DE10048049A1 Fluidtechnische Einrichtung mit einer Diagnoseeinrichtung Fluid power device with a diagnostic device |
| 04/25/2002 | DE10147118A1 Vorrichtung zur Diagnose eines Speichers auf der Grundlage des Fluiddrucks in seinem fluiddichten Zustand An apparatus for diagnosing a memory on the basis of the fluid pressure in its fluid-tight state |
| 04/24/2002 | EP1199479A2 Fluid power device with diagnostic device |
| 04/17/2002 | EP1197664A1 Pneumatic forcing arrangement |
| 03/28/2002 | US20020035832 Apparatus for diagnosing accumulator based on fluid pressure in its fluid-tightly sealed state |
| 03/21/2002 | US20020035426 Method and system for controlling steady-state speed of hydraulic cylinders in an electrohydraulic system |
| 03/20/2002 | EP0783633B1 Method and apparatus for testing a fluid pressure apparatus |
| 03/19/2002 | US6357276 System and method for calibrating a independent metering valve |
| 02/21/2002 | DE10028811A1 Physical parameter determining method for hydraulic system, involves simulating mathematical model of both of two hydraulic devices using computer until adjusted pressure between hydraulic devices is obtained |
| 01/31/2002 | DE10122671A1 Method, for controlling hydraulic cylinder stable speed status in multi-cylinder electrohydraulic systems, uses multiple levers to control cylinders with stored parameters for settings between speed and lever position. |
| 01/30/2002 | EP1058866A4 Valve positioner system |
| 01/29/2002 | US6341552 Self-calibrating system and method for controlling a hydraulically operated device |
| 01/22/2002 | US6341238 Robust engine variable vane monitor logic |
| 01/16/2002 | EP1171715A1 Method for monitoring the gas prefill pressure in hydraulic accumulators |
| 01/08/2002 | CA2107624C Electro-pneumatic converter calibration |
| 11/13/2001 | US6314792 Testing of fluid systems |
| 11/08/2001 | US20010037670 Valve positioner system |
| 11/01/2001 | US20010037159 Valve positioner system |
| 10/31/2001 | EP1150031A1 A self-calibrating system and method for controlling a hydraulically operated device |
| 10/31/2001 | EP1150019A1 Counter for registering the quantity of lifts of a crane |
| 10/31/2001 | CN1319728A Fluid operation loop for setting dead point position of punching head cylinder of punching machine |
| 10/25/2001 | US20010032518 Valve positioner system |
| 10/23/2001 | US6305162 Method and apparatus for controlling the deadband of a fluid system |
| 10/10/2001 | EP1143152A2 Auto-calibration of a solenoid operated valve |
| 10/04/2001 | US20010025487 Fluid-operated circuit for setting the top and bottom dead center location of the punch actuation cylinder in punching machines |
| 10/04/2001 | EP1138958A2 Fluid-operated circuit for setting the top and bottom dead center location of the punch actuation cylinder in punching machines |
| 10/03/2001 | CA2341804A1 Auto-calibration of a solenoid operated valve |
| 09/20/2001 | WO2001069197A1 Measuring with a flow restrictor the pressure at which a pneumatic device (piston, valve) starts to move |
| 08/28/2001 | US6282463 Method of selecting pneumatic devices |
| 08/16/2001 | WO2001059307A1 Fluidic system with a safety function |
| 08/16/2001 | DE10006367A1 Fluidtechnisches System mit Sicherheitsfunktion Fluid power systems with safety function |
| 08/07/2001 | US6272401 Valve positioner system |
| 07/31/2001 | US6267042 Position detector for fluid cylinder |
| 07/24/2001 | US6263913 Hydraulic multiway valve |
| 07/19/2001 | DE10000897A1 Determining current-pressure relationship for pressure regulating valves, involves actuating valve to bring piston to force equilibrium, and detecting output pressure and valve current |
| 05/29/2001 | US6237634 Manually operated supply and exhaust changeover valve for fluid Pressure apparatus |
| 05/23/2001 | EP1102230A2 Professional education apparatus for users of hydraulic driven load moving systems |
| 05/23/2001 | DE19955270A1 System for monitoring hydraulic cylinders including working cylinders and positioning cylinders e.g. for clamping and tightening engineering, includes sensors for detecting position |
| 05/08/2001 | CA2228554C Method of measuring operation characteristic of proportional electromagnetic control valve, method of controlling operation of hydraulic cylinder, and method of modifying operation characteristic of proportional electromagnetic control valve |
| 05/02/2001 | CN1293332A Selection method of equipment of fluid pipeline network |
| 05/01/2001 | USRE37151 Method and apparatus for testing a fluid pressure apparatus |
| 04/18/2001 | EP1092912A2 Method of selecting devices for use in fluid pipeline network |
| 03/14/2001 | EP0907833B1 Testing of sprinkler systems |
| 02/20/2001 | US6192299 Method of measuring operation characteristic of proportional electromagnetic control valve, method of controlling operation of hydraulic cylinder, and method of modifying operation characteristic of proportional electromagnetic control valve |
| 02/13/2001 | US6186600 Automatic test connector adapter plate for AB pipe bracket |
| 01/25/2001 | DE19946871C1 Pneumatic setting drive has test valve and pressure switch allowing setting motoir to be separated from pressure supply device for function testing |
| 01/24/2001 | EP1070893A2 Method and device for managing operation of solenoid valve |
| 01/24/2001 | CN1281168A Method and device for action management of electromagnetic valve |
| 12/28/2000 | DE19929431A1 Hydraulic control drive, e.g. for clutches, gearboxes, has arrangement for detecting level of fluid in reservoir container from duration of time for which pump is switched on |
| 12/28/2000 | DE19927372A1 Verfahren und Vorrichtung zum Erkennen einer Fehlfunktion von Stellantrieben Method and apparatus for detecting a malfunction of actuators |
| 12/21/2000 | DE19927117A1 Measuring device for detecting leakage from hydraulic components has pressure senor for measuring pressure in piston and displacement sensor for piston rod path |
| 12/20/2000 | EP1061269A2 Method and device for detecting faulty operation of a positioning drive |
| 12/13/2000 | EP1058866A2 Valve positioner system |
| 10/26/2000 | WO2000063562A1 Method for monitoring the gas prefill pressure in hydraulic accumulators |
| 10/26/2000 | DE19917210A1 Monitoring pre-filling gas pressure in hydraulic reservoirs involves interrupting pressure feed to oil side, emptying reservoir; measuring gas temp. until temp. balance achieved |
| 10/05/2000 | WO2000058633A1 Method and apparatus for controlling the deadband of a fluid system |
| 10/05/2000 | DE19915260A1 Linearantrieb Linear drive |
| 09/06/2000 | EP1032375A1 Hydraulic directional valve |
| 09/06/2000 | EP0932822B1 Method for representing a hydraulically working pressure fluid receptor |
| 08/16/2000 | EP1027241A1 Method and device for modeling a hydraulic system and brake force regulating system |
| 08/10/2000 | WO2000018382A3 Hydraulic directional valve |
| 07/19/2000 | EP1020648A1 Method and device for controlling work machine |
| 06/28/2000 | EP1013940A2 Valve arrangement |
| 06/27/2000 | US6081767 Method and device for determining the amount of undissolved gas in a hydraulic system |
| 06/21/2000 | EP1011038A2 Method of selecting pneumatic devices |
| 06/21/2000 | CN1257166A Method for selecting pneumatic device |
| 04/13/2000 | DE19943828A1 Hydraulic directional valve has central duct passing through main piston and connecting consumer chamber and return chamber which are set at opposite ends of main piston |
| 04/06/2000 | WO2000018382A2 Hydraulic directional valve |
| 03/09/2000 | DE19840809A1 Linear direct drive for displacement body of impulse test stand has linear motor with moveable active part in mechanical connection with displacement body |
| 03/01/2000 | CN1245888A Position detecting device for hydraulic cylinder |
| 02/09/2000 | EP0978659A2 Position detector for fluid cylinder |
| 02/08/2000 | US6021667 Automated work station apparatus and method |
| 01/27/2000 | WO2000004293A1 Method and device for controlling work machine |
| 01/12/2000 | CN1240894A Hand supply and discharge change valve for fluid press machine |
| 01/05/2000 | EP0969232A1 Manually operated changeover valve |
| 12/29/1999 | EP0925457A4 Compact actuator and controller and pumping apparatus for same |
| 12/16/1999 | WO1999064279A1 Method and device for modeling a hydraulic system and brake force regulating system |
| 12/09/1999 | DE19825139A1 Verfahren und Vorrichtung zur Modellierung eines Hydrauliksystems und Bremskraftregelsystem Method and apparatus for modeling of a hydraulic system and braking control system |
| 11/04/1999 | WO1999005576A3 Valve positioner system |
| 11/02/1999 | US5974855 Electro-pneumatic converter calibration |
| 10/21/1999 | DE19816843A1 Reversing drive for pulse test bed for dynamic pulse pressure testing of fluidic structural elements using capacitive energies |
| 09/21/1999 | US5953977 Simulation modeling of non-linear hydraulic actuator response |
| 08/04/1999 | EP0932822A1 Method for representing a hydraulically working pressure fluid receptor |
| 07/28/1999 | CN1224486A Testing of fluid system |
| 06/30/1999 | EP0925457A1 Compact actuator and controller and pumping apparatus for same |
| 06/29/1999 | US5918195 Calibration of a command device in control system |
| 04/14/1999 | EP0907833A1 Testing of fluid systems |
| 02/04/1999 | WO1999005576A2 Valve positioner system |
| 01/21/1999 | DE19730287A1 Closed circuit hydraulic pump loss-free forced partial fluid flow circulation circuit |
| 01/21/1999 | DE19730237A1 Circuit for dynamic impulse test of fluid structure elements using capacitive energy |
| 12/17/1998 | DE19725289A1 Electrohydraulic pressure regulating device for brake systems with ABS |
| 10/07/1998 | EP0727016B1 Method of determining the operating condition of a hydraulic device |
| 09/17/1998 | DE19710051A1 Electromagnetic valve stroke setting method |
| 09/08/1998 | US5804696 Electro-pneumatic converter calibration |
| 08/20/1998 | DE19806544A1 Operational characteristic curve measurement, of electromagnetic proportional control valve |
| 08/19/1998 | EP0859302A2 Electro-pneumatic converter calibration |