| Patents for F15B 20 - Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems (2,348) |
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| 09/27/2001 | WO2001012997A3 Security valve for a press |
| 09/27/2001 | US20010023928 Electrohydraulic valve actuator |
| 09/27/2001 | CA2403479A1 Improvements to electrical instrument circuits |
| 09/26/2001 | EP1135615A1 Directional valve |
| 09/13/2001 | WO2001014750A3 Control-valve drive with sensor unit for detecting the position of the valve |
| 09/07/2001 | WO2001065120A2 Magnetically-latchable fluid control valve system having a manual override and fail safe valve |
| 09/07/2001 | WO2001064464A1 Hydraulic anti-roll system |
| 09/06/2001 | DE10009918A1 Hydraulic stabilizing system esp. for motor vehicle chassis has single fail-safe-valve only switched in front of directional valve |
| 09/05/2001 | CN2446320Y Program hydraulic controller |
| 08/23/2001 | US20010015128 Actuation arrangement for displaceable components on vehicles |
| 08/23/2001 | US20010015127 Arrangement for hydraulic actuation of a movable component on vehicles |
| 08/23/2001 | DE10100652A1 Anordnung zur hydraulischen Betätigung eines bewegten Teils an Fahrzeugen Assembly for hydraulic actuation of a moving part on vehicles |
| 08/23/2001 | DE10056153A1 Betätigungsanordnung für Bewegte Teile an Fahrzeugen Operating arrangement for movable parts on vehicles |
| 08/22/2001 | EP1124707A1 Pressure switch to defeat platform fold operation in a hydraulic lift |
| 08/21/2001 | US6276135 Self-contained hydraulic ESD system |
| 08/16/2001 | WO2001059307A1 Fluidic system with a safety function |
| 08/16/2001 | EP0829342B1 Hydraulic system for controlling brakes, clutches and brakes-clutches |
| 08/16/2001 | DE10006367A1 Fluidtechnisches System mit Sicherheitsfunktion Fluid power systems with safety function |
| 08/02/2001 | WO2001054960A1 Precision electro-hydraulic actuator positioning system |
| 08/02/2001 | CA2398559A1 Precision electro-hydraulic actuator positioning system |
| 07/31/2001 | CA2217021C Hydraulic circuit for hydraulic equipment |
| 07/24/2001 | US6263913 Hydraulic multiway valve |
| 07/24/2001 | CA2220919C Crossflow with crossmirror and lock out capability valve |
| 07/19/2001 | DE10001033A1 Actuator divides each cylinder space into two subchambers by hydraulic power-steering disks axially free between piston and cylinder head plus connection line to each subchamber. |
| 07/17/2001 | US6260357 Quick coupler control system |
| 07/06/2001 | CA2330273A1 Electrohydraulic valve actuator |
| 07/03/2001 | US6253658 Hydraulic control system |
| 06/26/2001 | US6250202 Hydraulic control device |
| 06/20/2001 | EP1108148A1 A protection device for controlling the motion of a pneumatic actuator |
| 06/14/2001 | WO2001029429A3 Safety valve |
| 06/06/2001 | CN1066788C Method and device for inspecting pneumatic twisting device |
| 06/05/2001 | US6241212 Hose rupture control valve unit |
| 06/05/2001 | US6240959 Hydraulic safety fuse device |
| 05/30/2001 | EP1103727A2 Hydraulic operating device |
| 05/29/2001 | US6239713 Sensor mounting arrangement |
| 05/10/2001 | DE19950004A1 Vorrichtung zur dynamischen Überwachung von Druckdifferenzen Apparatus for dynamic monitoring of pressure differences |
| 05/09/2001 | CN1294267A 3-position 4-way centralizing block for stabilizing hydraulic pressure |
| 05/01/2001 | US6223774 Redundant regulation valve |
| 04/26/2001 | WO2001029433A2 Device for dynamically monitoring pressure differences |
| 04/26/2001 | WO2001029430A1 Pipe breakage control valve device |
| 04/26/2001 | WO2001029429A2 Safety valve |
| 04/26/2001 | DE19949874A1 Safety valve has compressed air-operated switching elements at associated points for safety valve if pressures different; valve only switched on again by external compressed air actuation |
| 04/24/2001 | US6220567 Interlock mechanism for controlling attachment to a work vehicle |
| 04/24/2001 | US6220142 Manually operated emergency control actuation device |
| 04/24/2001 | US6220026 Active control system |
| 04/17/2001 | US6216729 Bidirectional check valve for hydraulic system |
| 04/17/2001 | US6216725 Fluid pressure control device with cover for preventing misoperation |
| 04/05/2001 | DE10046914A1 Hydraulic system for safe operation and -failure of e.g. vehicle folding roof or boot lid, includes pre-pressurization valve in pressure line |
| 03/22/2001 | DE19948991C1 Remote-control method for actuators uses pneumatic or hydraulic pressure signals for individual actuator supplied in binary coded form |
| 03/22/2001 | DE19939497A1 Antrieb eines Stellventils mit Sensiereinheit zur Ventilpositionserfassung Drive a control valve with sensing unit for valve position sensing |
| 03/22/2001 | DE10014346C1 Door operating mechanism has locking mechanism, piston cylinder unit operated by valve, fluid circuit, accumulator and non-return valve |
| 03/08/2001 | DE19940961C1 Hydraulic drive control circuit for kinife beam of paper cutting machine knife beam has pump coupled to chambers of double-action drive cylinder via direction switching valve linked to recirculation valve |
| 03/01/2001 | WO2001014750A2 Control-valve drive with sensor unit for detecting the position of the valve |
| 02/27/2001 | US6192914 Rupture disk safety member |
| 02/22/2001 | WO2001012997A2 Security valve for a press |
| 02/22/2001 | WO2001012948A1 Methods and apparatus for the emergency actuation of control systems |
| 01/18/2001 | DE19930101A1 Schaltvorrichtung für eine Arbeitsmaschine Switching device for a working machine |
| 01/17/2001 | EP1069323A1 Cross flow with crossmirror and lock out capability valve |
| 01/11/2001 | WO2001002735A1 Switching device for a machine |
| 01/09/2001 | US6170525 Opto-electric/hydraulic servoactuation |
| 01/02/2001 | US6167909 Corrosion and contaminant resistant slide valve |
| 12/28/2000 | DE19927372A1 Verfahren und Vorrichtung zum Erkennen einer Fehlfunktion von Stellantrieben Method and apparatus for detecting a malfunction of actuators |
| 12/20/2000 | EP1061269A2 Method and device for detecting faulty operation of a positioning drive |
| 12/20/2000 | CN1277330A Double valve with anticonstraint ability |
| 12/13/2000 | EP1059476A2 Hydraulic system with an electric pressure reducing valve |
| 12/13/2000 | EP1059460A2 Double valve with anti-tiedown capability |
| 12/11/2000 | CA2310157A1 Double valve with anti-tiedown capability |
| 12/07/2000 | DE19940967C1 Hydraulic circuit for drive control of press beam in paper cutting machine has controlled recirculation valve used for selective pressurising of drive cylinder for operation of press beam |
| 12/07/2000 | DE19922866A1 Hydraulische Leitungskupplung Hydraulic line coupling |
| 12/05/2000 | US6155531 Proportional control value |
| 12/05/2000 | US6155293 Double valve with anti-tiedown capability |
| 12/05/2000 | US6155287 Fluid pressure control device with cover for preventing misoperation |
| 12/05/2000 | US6155282 Two out of three voting solenoid arrangement |
| 11/30/2000 | WO2000071900A1 Hydraulic line connection |
| 11/29/2000 | EP1055077A2 Two out of three voting solenoid arrangement |
| 11/29/2000 | CN1274810A Multi-valve device |
| 11/22/2000 | EP1054128A2 Safety arrangement for vehicle doors |
| 11/16/2000 | WO2000068610A1 A doubled two-channel, pneumatic control system |
| 10/31/2000 | US6139380 Compact power tilt and trim unit for marine drive |
| 10/11/2000 | CN1269873A Protective circuit |
| 10/04/2000 | EP1041325A2 Valve assembly |
| 10/04/2000 | EP1041291A2 Fluid pressure control device with cover for preventing misoperation |
| 10/04/2000 | CN1268630A Hydraulic machinery having cover for preventing from being incorret operation |
| 09/20/2000 | CN1266954A Hydraulic mechanism having shield for preventing misoperation |
| 09/13/2000 | EP1035362A2 Fluid pressure control device with cover for preventing misoperation |
| 09/12/2000 | US6116258 Method and apparatus for an electrohydraulic control system of a steam turbine |
| 09/07/2000 | DE19909920A1 Safety switching device for pneumatic motor, with compressed air supply line connected to second connection of first switching valve |
| 09/06/2000 | EP1032375A1 Hydraulic directional valve |
| 09/05/2000 | US6112638 Electropneumatic positioner having binary input arrangement providing access to electrical output functions thereof |
| 08/29/2000 | US6109162 Control valve system |
| 08/23/2000 | EP1030065A1 Fluid power cylinder with fluid locking |
| 08/16/2000 | EP0649988B1 Driving controller of hydraulic machine |
| 08/10/2000 | WO2000018382A3 Hydraulic directional valve |
| 08/10/2000 | DE10004605A1 Hydraulik-Logik-Kreuzkopplung zwischen getrennten Redundanten Servoaktuatoren Hydraulic logic crosstalk between separate redundant servo actuators |
| 08/02/2000 | EP1024300A2 Sensor mounting arrangement |
| 07/27/2000 | DE19853136C1 Hydraulic circuit for controlling paper cutting machine press beam drive has choke valve between pump, working pressure chamber bridged by non-return valve, valve monitoring circuit |
| 07/11/2000 | US6087945 Pump failure alarm system for hydraulic working machine |
| 07/11/2000 | US6085635 Safety device for pneumatic actuators |
| 06/21/2000 | EP1009937A1 Protective circuit |
| 06/15/2000 | WO2000034667A1 Directional valve |