Patents for F15B 13 - Details of servomotor systems (18,792)
07/2003
07/16/2003CN1114765C Generalized PCD digital hydraulic valve
07/15/2003US6591865 Solenoid valve with magnetometric sensors
07/15/2003US6591684 Pressure sensor intergrated into an electro-hydraulic control unit
07/11/2003CA2415146A1 Complex valve assembly for hydraulic circuits, in particular for the power unit
07/10/2003US20030127144 Integrated pneumatic manifold
07/10/2003US20030126980 Sensory feedback system for an electro-hydraulically controlled system
07/10/2003DE20023225U1 Directional valve has operating element located outside valve chamber and connected to sealing element, and by which sealing element is tipped away from or lifted from valve seat
07/09/2003EP1325284A2 Monitoring optically powered actuators
07/09/2003EP1325236A1 Driving mechanism, function part and shut-off valve
07/09/2003CN2559818Y Electrohydraulic variable speed operated valve
07/09/2003CN1428515A Electro-hydraulic magnification slide valve
07/08/2003US6589363 Method for making heat treated stainless hydraulic components
07/08/2003US6588726 Load bearing solenoid operated valve and method of making same
07/03/2003US20030121551 Dual cylinder circuit having a joystick with intuitive control
07/03/2003US20030121409 System and method for controlling hydraulic flow
07/03/2003US20030121257 Controlling the deadband of a fluid system
07/03/2003US20030121256 Pressure-compensating valve with load check
07/02/2003EP1323967A1 Electromagnetic multiway valve
07/02/2003EP1322833A1 Control of hydrocarbon wells
07/02/2003CN1427186A Device for controlling flow in heavy construction equipment
07/02/2003CN1427185A Hydraulic changeable controller for heavy construction equipment
07/02/2003CN1427184A 液压安全阀 Hydraulic valve
07/02/2003CN1427183A Hydraulic valve controller for heavy construction installation
07/01/2003US6585004 Multi-stage flow control
06/2003
06/26/2003US20030116961 Unitary multi-flow connection
06/26/2003US20030116208 Shear-resistant modular fluidic blocks
06/26/2003US20030116010 Hydraulic valve control device for heavy construction equipment
06/26/2003US20030115878 Apparatus for controlling an amount of fluid for heavy construction equipment
06/26/2003US20030115865 Hydraulic variable control apparatus for heavy construction equipment
06/25/2003EP1321698A2 Device to interconnect more hydraulic or pneumatic components in particular electromagnetic valves
06/25/2003CN2557736Y Three-stage insert assembling valve
06/25/2003CN1112533C Multipath block type electromagnetic valve carrying relay device
06/25/2003CN1112529C Directional control valve
06/25/2003CN1112522C Integrated electromagnetic valve driven by series signals
06/24/2003US6581639 Low leak boom control check valve
06/24/2003US6581624 Automatic pressurized fluid switching device
06/24/2003US6581622 Divider-combiner valve
06/24/2003US6581509 Rotary cylinder assembly for a machine tool
06/24/2003US6581378 Valve device for hydraulic engine for driving a large flywheel mass
06/19/2003US20030111123 Valve assembly comprising an internal flow channel with an open longitudinal section
06/19/2003US20030111120 Magnetic detent assist assembly
06/19/2003US20030111117 Valve arrangement including release valve
06/19/2003US20030111114 Hydraulic relief valve
06/18/2003EP1318877A1 Rails for supplying media
06/18/2003DE10162525C1 Electromagnetic multi-way valve has magnetic field sensor followed by driver stage for contactlessly transferring drive signals via external data lines within range of sensor
06/18/2003CN2556412Y Hydraulic oil-changing valve
06/18/2003CN2556411Y Hydraulic power unit for down-the-hole drill
06/18/2003CN1424534A Headers for electromagnetic operational valves
06/18/2003CN1424514A Differential pressure proportional pressure and flow composite valves
06/18/2003CN1424513A Guided servo direction control valve
06/18/2003CN1111662C Electrohydraulic control valve
06/17/2003US6578819 Hydraulic valve
06/17/2003US6578357 Regulating device for hydraulic working tools
06/12/2003US20030106423 Independent and regenerative mode fluid control system
06/12/2003US20030106422 Independent and regenerative mode fluid control system
06/12/2003US20030106419 Electrohydraulic valve assembly
06/12/2003DE20305734U1 Adaptor to connect cables of different types to standard base for control unit of pneumatic valve set
06/12/2003DE10156500C1 Druckminderungsventil Pressure reducing valve
06/11/2003EP1318339A2 Manifold for solenoid-operated valve
06/11/2003CN2555436Y Manual controller of hydraulic valve
06/10/2003US6575264 Precision electro-hydraulic actuator positioning system
06/10/2003US6575237 Hydraulic well control system
06/10/2003US6575126 Solenoid actuated engine valve for an internal combustion engine
06/05/2003WO2003046420A1 Device for locking a component that is guided in a longitudinally movable manner
06/05/2003US20030102040 Manifold for solenoid-operated valve
06/05/2003US20030102030 Valve block and valve block assembly for producing such a valve block
06/04/2003EP1316748A2 Valve unit with silent venting channel
06/04/2003EP1316732A1 Fluid-actuated working device
06/04/2003EP1316728A2 Fluid pressure apparatus
06/04/2003EP1007873A4 Thermal microvalves
06/04/2003EP0904495B1 Valve device, especially a combined proportional-distributing valve device
06/04/2003CN1421619A Liquid controlled valve reversing method and reversing valve
06/04/2003CN1421618A Liquid controlled valve reversing method and double-membrane liquid controlled reversing valve
06/04/2003CN1110637C Hand-operated supply and discharge change valve for fluid press machine
06/03/2003US6571902 Backhoe auxiliary hydraulics control system
06/03/2003US6571828 Proportional pressure control valve
06/03/2003US6571553 Hydraulic control arrangement for operating a winch with easing, hoisting and mooring modes
05/2003
05/30/2003WO2003043870A1 Hydraulic servo-assisted steering system for vehicles and a controlling method for a steering system of this type
05/30/2003WO2003025444A3 Load compensator for a pipe running tool
05/30/2003WO2002090736A3 Dual displacement motor control
05/29/2003US20030097923 Fluid power operative instrumentality
05/28/2003EP1313954A2 Pilot solenoid control valve with an emergency operator
05/28/2003EP1313953A1 Unlockable non-return valve for very high system pressures
05/28/2003EP1135614B1 Releasable check valve for very high system pressures
05/28/2003DE20305232U1 Valve block has HP and LP valves both connected on outlet side to common working channel and each with switchable valve component by which connection between respective valve inlets and outlets is selectively closed or opened
05/28/2003CN2553157Y 单向节流阀 Way throttle
05/28/2003CN2553156Y Double-working return hydraulic electromagnetic valve
05/28/2003CN1109814C Hydraulically controlled camless valve system for IC engine
05/27/2003US6568919 Hydraulic pump manifold
05/22/2003US20030094202 Pressure reduction valve
05/22/2003US20030094095 Fluid-operated cylinder-piston unit
05/21/2003EP1312809A1 Pressure reduction valve
05/21/2003CN2551796Y Hydraulic control valve for wood chopping machine
05/20/2003US6567013 Digital hydraulic well control system
05/20/2003US6565464 Hydraulically controlled transmission
05/20/2003US6564872 Control of hydrocarbon wells
05/15/2003WO2003040599A1 Hydraulic valve
05/15/2003WO2003040574A1 Multiple hydraulic valve assembly with a monolithic block
05/15/2003WO2003040482A1 Programmable device for liquid distribution
05/15/2003US20030090147 Braking device comprising an integrated pressure sensor module