| 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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| 05/24/2007 | US20070113891 Safety shut-off device |
| 05/24/2007 | DE102005054894A1 Pneumatische Gaswendelsicherung Pneumatic gas coil fuse |
| 05/16/2007 | CN2900889Y Hydraulic thick control oil cylinder protector |
| 05/10/2007 | WO2007051254A1 Pressure release valve, system and method of use |
| 05/10/2007 | DE202006017517U1 Fluidisches System Fluidic system |
| 04/26/2007 | WO2007045201A1 Servo valve for assisting a pedal operation |
| 04/26/2007 | US20070089408 Hydraulic controller for working machine |
| 04/24/2007 | US7209806 Self-contained electronic pressure monitoring and shutdown device |
| 04/18/2007 | CN1311135C Hydraulic circuit for heavy equipment option apparatus using boom confluence spool |
| 04/11/2007 | EP1772631A2 Safety device for hydraulic distribution units |
| 04/06/2007 | CA2524159A1 Pneumatic relay and instrument housing combination |
| 04/04/2007 | CN2886156Y Flow control type hydraulic main distributing valve capable of automatically returning to center |
| 04/04/2007 | CN1308600C Draining of oil leak in a hydraulic cylinder |
| 04/03/2007 | US7198065 Valve arrangement |
| 03/28/2007 | CN1936343A Guide proportion directional throttle valve |
| 03/21/2007 | CN1932309A Hydraulic relief valve |
| 03/15/2007 | WO2007028863A1 Detecting of faults in a valve system and a fault tolerant control |
| 03/15/2007 | DE102005042585A1 Hydraulic safety valve, has ring seal provided in housing and sealing pre control piston against passage, and rind groove provided between ring seal and passage, which is connected with ring space by channel |
| 03/15/2007 | DE102005042364A1 Pressure medium system e.g. pneumatic system, safety device for motor vehicle, has gas supply units activated individually or in combination, where gas volume is controlled, and gas expansion of unit is switched in controllable manner |
| 03/14/2007 | CN2878646Y Security protector for self-running earthquake drill |
| 03/14/2007 | CN1304701C Hydraulic circuit for option tool of heavy equipment |
| 03/07/2007 | EP1436511B1 Method for restricting leakage of hydraulic oil in a rock drilling rig |
| 03/06/2007 | US7185673 Safety device for fluid operated machines |
| 03/01/2007 | US20070044647 Hydraulic switching mechanism for longwall supports |
| 02/28/2007 | EP1757817A2 Valve arrangement for controlling a quick-acting valve of a gas or vapour turbine |
| 02/27/2007 | CA2433120C Hydraulic control arrangement for a mobile operating machine |
| 02/21/2007 | CN1918407A Shifting unit |
| 02/14/2007 | CN1914426A Redundant flow control for hydraulic actuator systems |
| 02/14/2007 | CN1300472C Shielding spiral conveyor hydraulic system with proportional feedback control and accumulator oil supplementary |
| 02/08/2007 | WO2007016426A1 Latchable electrohydraulic servovalve |
| 02/07/2007 | CN1299012C Hydraulic circuit and control method for rotary breaker |
| 02/01/2007 | US20070025839 Bearing for axially mounting a rotor of a gas turbine, and gas turbine |
| 02/01/2007 | DE202006015627U1 Pneumatic braking system for railway train has pressure monitoring unit linked to satellite communications system |
| 01/31/2007 | EP1747166A1 A lifter provided with a safety stop |
| 01/30/2007 | US7168771 Methods of measuring pressure of hydraulic fluid, methods of evaluating soundness and hydraulic drive devices for carrying out the methods |
| 01/30/2007 | US7168246 Hydraulic control device for working machine |
| 01/23/2007 | US7165569 Safety shut-off device |
| 01/10/2007 | EP1565678B1 Slide control valve |
| 01/03/2007 | CN1888455A Power generating equipment regulating valve oil motor servo control system |
| 01/02/2007 | US7156013 Hydraulic cylinder comprising valves |
| 01/02/2007 | US7155909 Hydraulic controller for working machine |
| 12/27/2006 | EP1736672A2 Hydraulic circuit for working machine |
| 12/27/2006 | CN2851679Y Hydraulic cylinder with mechanical lock |
| 12/27/2006 | CN2851678Y Standardized high pressure resistant accident distributing valve |
| 12/27/2006 | CN1886575A Hydraulic circuit used for longwall face removal |
| 12/21/2006 | WO2006134239A1 Device for controlling the steering of a commercial vehicle, and vehicle comprising one such device |
| 12/14/2006 | WO2006094970A3 Method for protecting against jamming and jamming protection device |
| 12/14/2006 | DE102005024686A1 Stellungsregler Positioner |
| 12/13/2006 | EP1731770A2 Pneumatic circuit for supplying a pneumatic cylinder in particular for a smoke extraction system |
| 12/13/2006 | EP1627132B1 Bearing for axially mounting a rotor of a gas turbine, and gas turbine |
| 11/29/2006 | CN1869459A Oil-hydraulic pump, oil-hydraulic pump unit, and oil-pressure driving apparatus |
| 11/22/2006 | CN2839690Y Superimposed relief valve |
| 11/22/2006 | CN2839684Y 折弯机液压系统 Bending machine hydraulic system |
| 11/16/2006 | DE102005018889A1 Multi-circuit safety valve has electromechanical valve arrangement which has shut-off valve which opens above predetermined pressure at common outlet junction of relief valves |
| 11/09/2006 | WO2006118050A1 Wheel-type working machine and method of controlling the same |
| 10/31/2006 | US7128676 Failsafe hydraulic circuit |
| 10/25/2006 | EP1714056A1 Shifting unit |
| 10/25/2006 | EP1713678A1 Vehicle steering system |
| 10/25/2006 | EP1629156B1 Hydraulic control arrangement |
| 10/18/2006 | CN2828406Y Single-acting hydro-cylinder |
| 10/12/2006 | DE19800199B4 Schalterbefestigungsmechanismus für Fluiddruckvorrichtungen Switch mounting mechanism for fluid pressure devices |
| 10/05/2006 | US20060218914 Hydraulic control arrangment |
| 10/04/2006 | EP1706639A2 Two-stage pressure relief valve |
| 10/03/2006 | US7114521 Double valve constructed from unitary single valves |
| 09/19/2006 | CA2418787C Architecture of a hydraulic steering system |
| 09/14/2006 | WO2006094970A2 Method for protecting against jamming and jamming protection device |
| 09/13/2006 | EP1700041A1 Redundant flow control for hydraulic actuator systems |
| 09/05/2006 | US7100371 Hydraulic arrangement and process for its use |
| 08/30/2006 | EP1266146B1 Improvements to electrical instrument circuits |
| 08/30/2006 | CN1826473A Hydraulic control apparatus and hydraulic control method |
| 08/24/2006 | US20060186735 Method for monitoring a hydro-electrical brake system |
| 08/24/2006 | DE102006007880A1 Abschaltverteiler Abschaltverteiler |
| 08/16/2006 | EP1691083A2 Hydraulic control device |
| 08/16/2006 | CN1820148A Malfunction prevention device in fluid sequence apparatus |
| 08/15/2006 | US7089957 Redundant valve system |
| 08/10/2006 | WO2006083215A1 Method and device for cleaning hydraulic valves |
| 08/10/2006 | US20060174757 Hydraulic control apparatus and hydraulic control method |
| 08/02/2006 | EP1686268A2 Hydraulic control device |
| 08/01/2006 | US7082758 Hydraulic machine, system for monitoring health of hydraulic machine, and method thereof |
| 07/26/2006 | CN1266391C Double-valve with anti-fasten ability |
| 07/25/2006 | US7080589 Hydraulic cylinder |
| 07/12/2006 | CN2795516Y Multifunction air control slow landing valve |
| 07/11/2006 | US7073873 Dash control valve with two step function for park release |
| 07/11/2006 | US7073328 Method for controlling a pressure supply device in a hydraulic circuit |
| 07/06/2006 | DE102004061761A1 Druckmittelanlage Pressure medium system |
| 06/28/2006 | EP1674736A2 Hydraulic system for power assisted clutch actuation comprising an emergency release mechanism |
| 06/28/2006 | EP1451493B1 Method for controlling a pressure supply device in a hydraulic circuit |
| 06/28/2006 | CN2791324Y Arm-support pump changing-over buffering control device |
| 06/14/2006 | DE102005005928A1 Control arrangement e.g. for controlling hydraulic directional valve, has two pilot valves connected over control pressure pipe where actuating pressure adjusts selector valve |
| 06/14/2006 | CN1786490A Safety apparatus for hydraulic cylinder |
| 06/13/2006 | CA2384938C Low-energy and non-heat transferring crust breaking system |
| 06/08/2006 | US20060117944 Draining of oil leak in a hydraulic cylinder |
| 06/08/2006 | DE202005001417U1 Hydraulische Steuervorrichtung Hydraulic control device |
| 06/07/2006 | CN1784539A Bearing for axially mounting a rotor of a gas turbine, and gas turbine |
| 06/01/2006 | DE102005056939A1 Failure detecting apparatus for e.g. vehicle brake system has detecting portion judges failure of control valve when detected change of pressure is smaller than change of pressure resulting from volume change of valve chamber |
| 06/01/2006 | DE102004051213B3 Steuereinrichtung Controller |
| 05/23/2006 | US7047993 Pilot switching valve apparatus and a method of switching pilot switching valve |
| 05/23/2006 | US7047931 Control device for at least one consumer, such as a camshaft adjuster, automatic transmission and the like, of motor vehicles |
| 05/23/2006 | US7047866 Electrical and hydraulic control system for attachment coupling system |
| 05/16/2006 | US7044048 Drive unit for a motor vehicle axle stabilizer |