| 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) |
|---|
| 01/16/2003 | US20030010198 Fluidic system with a safety function |
| 01/15/2003 | EP1275854A1 Method and hydraulic driving device for an overload work condition protection of a clutch-brake combination powered mechanical press |
| 01/09/2003 | US20030005963 Hydraulic double valve |
| 01/09/2003 | US20030005690 Energy reservoir for hydraulic systems |
| 01/07/2003 | US6502600 Hydraulic line connection |
| 01/02/2003 | US20030000765 Precision electro-hydraulic actuator positioning system |
| 12/19/2002 | WO2002101247A1 Hydraulic control arrangement for a pipe relining machine |
| 12/19/2002 | US20020189249 Device for preventing unintentional restarting |
| 12/18/2002 | EP1266147A1 Fluidic system with a safety function |
| 12/18/2002 | EP1266146A1 Improvements to electrical instrument circuits |
| 12/18/2002 | EP0983442B1 Manually operated emergency control actuation device |
| 12/10/2002 | US6490963 Hydraulic line coupling arrangement |
| 12/05/2002 | DE10215558A1 Fehlfunktionserfassungsvorrichtung eines Balgspeichers für ein druckbeaufschlagtes Fluid Malfunction detection device of a bellows element for a pressurized fluid |
| 11/28/2002 | DE10125436A1 Safety system for friction clutch with disconnecting device using pressurized fluid, has blocking valve for preventing fluid delivery when pressure falls |
| 11/21/2002 | US20020170819 Low energy and non-heat transferring crust breaking system |
| 11/21/2002 | DE10120921A1 Protective device for working machine, has controller that always activates switch-off device if sensor(s) does not deliver signal to activate actuation element over defined period of time |
| 11/14/2002 | US20020167219 Two step park release valve |
| 11/13/2002 | CN1094180C 配管破裂控制阀装置 Pipe rupture control valve unit |
| 11/12/2002 | US6478049 Double valve with anti-tiedown capability |
| 11/12/2002 | US6477936 Actuation arrangement for displaceable components on vehicles |
| 11/07/2002 | US20020162381 Malfunction detection device of a bellows type accumulator for pressurized fluid |
| 11/06/2002 | EP1255049A2 Low energy and heat transfer crust breaking system |
| 11/06/2002 | EP1255048A2 Hydraulic double valve |
| 11/06/2002 | EP1255047A2 Double valve with anti-tiedown capability |
| 10/23/2002 | EP1250534A2 Control-valve drive with sensor unit for detecting the position of the valve |
| 10/17/2002 | WO2002018800A3 Pilot solenoid control valve with an emergency operator |
| 09/19/2002 | DE10111233A1 Energiespeicher für hydraulische Anlagen Energy storage for hydraulic systems |
| 09/11/2002 | EP1239213A1 Energy storage mechanism for hydraulic systems |
| 09/10/2002 | US6446538 Arrangement for hydraulic actuation of a movable component on vehicles |
| 09/05/2002 | US20020121087 Hydraulic actuating system with electric control |
| 08/27/2002 | US6439512 All-hydraulic powered horizontal stabilizer trim control surface position control system |
| 08/21/2002 | CN1089415C Rupture disk apparatus and its producing method |
| 08/08/2002 | WO2002061288A2 Hydraulic actuating system and check valve which can be hydraulically blocked |
| 08/01/2002 | US20020100511 Fail-freeze servovalve |
| 08/01/2002 | DE10154056A1 Vorrichtung zum Spannen von Werkstücken Device for clamping workpieces |
| 07/23/2002 | US6422530 Fail-safe fluid actuator |
| 07/16/2002 | US6418715 Hydraulic actuating arrangement |
| 07/10/2002 | EP1220993A2 Safety valve |
| 06/26/2002 | EP1216361A1 Hydraulic actuating system with electric control |
| 06/25/2002 | US6409142 Pipe breakage control valve device |
| 06/18/2002 | US6405632 Protection device for controlling the motion of a pneumatic actuator |
| 06/06/2002 | DE10105712C1 Switch device for controlling hydraulic drive of pressing beam and cutter beam in paper cutting machine includes pump and controllable shut-off valve with non-return valve and controllable 5/2 way reversal valves for safety shut down |
| 06/05/2002 | EP0890030B1 Safety circuit |
| 06/04/2002 | US6398182 Pilot solenoid control valve with an emergency operator |
| 05/16/2002 | US20020057012 Architecture for the hydraulic braking system of an aircraft |
| 05/15/2002 | EP1205369A1 Architecture of a hydraulic brake system for an aircraft |
| 05/08/2002 | EP1203161A2 Security valve for a press |
| 05/08/2002 | EP1203139A1 Methods and apparatus for the emergency actuation of control systems |
| 05/07/2002 | US6382076 Piston servo-actuation main system with hydromechanically self-contained detection |
| 05/02/2002 | DE10050542A1 Schutzeinrichtung insbesondere für den Einrichtbetrieb an Montageautomaten Protection device in particular for setup of assembly machines |
| 05/02/2002 | DE10046853A1 Hydraulic servo motor for motor vehicle steering systems has working piston with piston and seal on either side, and sensor in transmission are, for immediate detection of seal failure |
| 04/23/2002 | US6374723 Retrofit drip ring for a hydraulic piston assembly |
| 04/11/2002 | US20020041230 Safety circuit for protecting against inadvertent activation of an automatic assembling machine, particularly during an installment operation, as well as a procedure for activating the safety circuit |
| 04/11/2002 | DE10047631A1 Hydraulic system for battery-operated electric load conveying vehicle has hydraulic unit acting as pump and motor coupled to electrical unit acting as motor and generator |
| 04/04/2002 | US20020038547 Neutral override for servo controlled hydrostatic units |
| 03/28/2002 | US20020036016 Hydraulic line connection |
| 03/28/2002 | DE10045232A1 Control device for hydraulic volumetric flow, has pressurized space fitted with additional valve on outflow side |
| 03/28/2002 | DE10041261A1 Control circuit pumps, adjusting cylinder with operating compartment, valves, with inlets and outlets, tank, and couplings |
| 03/27/2002 | EP1190178A1 Switching device for a machine |
| 03/21/2002 | WO2001065120A3 Magnetically-latchable fluid control valve system having a manual override and fail safe valve |
| 03/20/2002 | EP1187992A1 Hydraulic line connection |
| 03/14/2002 | US20020029524 Hydraulically operated overhead door |
| 03/12/2002 | US6354327 Automatic position-control valve assembly |
| 03/07/2002 | WO2002018800A2 Pilot solenoid control valve with an emergency operator |
| 02/28/2002 | DE10028652C1 Hydrauliksystem für einen mehrere hydraulische Verbraucher aufweisenden Tisch, insbesondere Operationstisch Hydraulic system for a plurality of hydraulic consumers comprising table, in particular operating table |
| 02/27/2002 | EP1182134A2 Hydraulic control system for a trim surface |
| 02/14/2002 | DE10036230A1 Vorrichtung zum Bewegen schwerer Abdeckungen Apparatus for moving heavy covers |
| 02/06/2002 | EP1177400A1 A doubled two-channel, pneumatic control system |
| 01/31/2002 | WO2002008613A1 Device for moving heavy covers |
| 01/31/2002 | DE10128835A1 Leitungsentlüftungsanordnung für eine elektrohydraulische Schaltung Line vent assembly for an electro-hydraulic circuit |
| 01/30/2002 | EP1175307A1 Hydraulic anti-roll system |
| 01/30/2002 | CN2474765Y Engineering construction machinery hydraulic pressure explosion proof safety lock valve |
| 01/24/2002 | US20020007855 Double valve with anti-tiedown capability |
| 01/22/2002 | US6340290 Controllable pitch propeller with a fail safe increased pitch movement |
| 01/10/2002 | DE10031873A1 Hydraulic valve has pin acting axially on manual rod displacement bolt movably held in nut for retaining magnetic coil on pole tube |
| 01/03/2002 | WO2002001080A1 Hydraulic actuating system with electric control |
| 01/03/2002 | US20020000158 Hydraulic line coupling arrangement |
| 01/02/2002 | CN2469230Y Storage energy and hydraulic lock for electric controlled hydraulic actuator |
| 01/02/2002 | CN1077326C Fluid pressure drive device for circuit breaker and circuit breaker using the same |
| 01/02/2002 | CN1077022C Control device for two-hand control means for controlling pressure, for instance |
| 12/19/2001 | CN1327521A Pipe breakage control valve device |
| 12/12/2001 | EP1162375A2 Actuation arrangement for swivelling parts of vehicles |
| 12/12/2001 | EP1161929A2 Hydraulic system for a table, particularly an operating table, including a plurality of hydraulic actuators |
| 12/06/2001 | WO2001092651A1 Hydraulic circuit and attachment emergency drive method for construction machinery |
| 12/06/2001 | DE10016040C1 Hydraulic power coupling device e.g. for tractor tool, has safety valve inserted in pump line operated by pressure in tank line |
| 11/29/2001 | DE10016026A1 Branching unit, for hydraulic circuit, has pressure feed and return with incorporated safety valve to prevent over pressurization of the return circuit |
| 11/22/2001 | US20010042849 Silting prevention controller |
| 11/21/2001 | EP1156244A2 Bidirectional check valve |
| 11/21/2001 | CN1322905A Two-way check valve using for hydraulic system |
| 11/20/2001 | US6318396 Double valve with anti-tiedown capability |
| 11/20/2001 | US6318234 Line vent arrangement for electro-hydraulic circuit |
| 11/13/2001 | US6314997 Multiple valve apparatus |
| 11/08/2001 | WO2001083992A1 Neutral override for servo controlled hydrostatic units |
| 11/01/2001 | US20010036397 Pressure switch to defeat platform fold operation in a hydraulic lift |
| 10/10/2001 | EP1143151A1 Pipe breakage control valve device |
| 10/10/2001 | CN1072778C Hydraulic controller |
| 10/09/2001 | US6298941 Electro-hydraulic power steering system |
| 10/03/2001 | CN1072320C Pneumatic control circuit |
| 09/27/2001 | WO2001071200A1 Improvements to electrical instrument circuits |
| 09/27/2001 | WO2001029433A3 Device for dynamically monitoring pressure differences |