Patents for F15B 11 - Servomotor systems without provision for follow-up action (16,384)
10/2000
10/24/2000US6134887 Hydraulic control circuit for working members of earth-moving machines
10/19/2000WO2000061950A1 Rotary servo valve and punch press hydraulic servo device using the rotary servo valve
10/19/2000WO2000061949A1 Automatic pressurized fluid switching device
10/19/2000WO2000061414A1 Device for measuring the pressure of a fluid
10/19/2000DE19917481A1 Actuating component operated by fluid power has actuating component acting between two head pieces and located in inner chamber, and actuator brings head pieces together or moves them apart by tension and compression
10/17/2000US6131606 Moving check valve seat providing high pressure relief
10/17/2000US6131500 System and method for producing motion
10/17/2000US6131391 Control system for controlling the speed of a hydraulic motor
10/11/2000EP1042589A1 Multi-diaphragm actuator
10/11/2000EP1042151A1 Electronic compressed-air processing system
10/10/2000US6129001 Method and valve apparatus for controlling a reciprocatable fluid actuated power machine
10/10/2000US6128900 Hydraulic fluid supply system
10/05/2000WO2000058633A1 Method and apparatus for controlling the deadband of a fluid system
10/05/2000WO2000058570A1 Load-sensitive hydraulic control system for a mobile working machine
10/05/2000WO2000058569A1 Shovel
10/05/2000DE19915260A1 Linearantrieb Linear drive
10/05/2000DE19914840A1 Controlled hydraulic drive with electrical load control, with at least two hydraulic actuators which can be connected by hydraulic line forming hydrostatic coupling
10/04/2000EP1041001A2 Semi-levered landing gear and auxiliary strut therefor
10/04/2000EP1040278A1 Vertical interlinking system
10/03/2000US6125970 Hydraulic device for forklift
10/03/2000CA2034701C Combined valve modular control
09/2000
09/28/2000WO2000057066A2 Vehicle material eject control system and method
09/28/2000WO2000057065A1 Hydraulic control arrangement for operating a winch with easing, hoisting and mooring modes
09/28/2000DE19913784A1 Lastfühlende hydraulische Steueranordnung für eine mobile Arbeitsmaschine A load-sensing hydraulic control system for a mobile machine
09/28/2000DE19913277A1 Hydraulic control unit for a winch has throttle in return line in series with through-flow cross section of brake valve to prevent latter from vibrating
09/28/2000DE19913275A1 Hydraulische Steueranordnung zum Betreiben einer Winde im Fieren-, Hieven- und Mooring-Betrieb The hydraulic control arrangement for operating a winch in the easing, Hieven- and mooring mode
09/28/2000DE10010602A1 Pressure or flow rate control valve has secondary pressure balanced by biasing force of spring so that valve assumes closed state, and plug rests on seat part
09/27/2000EP1039144A2 Hydraulic control device
09/26/2000US6123107 Apparatus and method for mounting micromechanical fluid control components
09/26/2000US6122913 Drive for a mobile operating device
09/26/2000US6122848 Hydraulic drive type working vehicle
09/21/2000WO2000055528A1 Control system for a hydraulic transformer having variable pressure input
09/21/2000WO2000055509A1 Actuator controller
09/21/2000WO2000055508A1 Control system for a hydraulic transformer
09/21/2000DE19912299A1 Hydraulische Steuereinrichtung Hydraulic control device
09/21/2000DE10007433A1 Controller for working machine tool has joystick, tool position sensors, controller, valve arrangement that receives valve signal and delivers controlled flow to hydraulic cylinders
09/21/2000DE10005060A1 Pull force control for riveting machine has valve with spring loaded closure to control connection between compressed air source and piston chamber
09/20/2000EP1036942A2 Control device for a cylinder
09/20/2000CN1266952A Pressure/flow controlling valve
09/20/2000CN1266951A Pressure/flow ontrolling valve
09/20/2000CN1056662C Hydraulic control system for construction machines
09/19/2000US6119967 Control circuit of transportable crusher
09/19/2000US6119802 Hydraulic drive system for a vehicle
09/14/2000WO2000053937A1 Linear-acting controllable pneumatic actuator and motion control apparatus including a field responsive medium and control method therefor
09/14/2000DE19906639A1 Druckschalter Pressure Switch
09/13/2000EP1035458A1 Hydraulic feedback device with meter-out control
09/12/2000US6116268 Wellhead safety valve control system
09/12/2000US6116263 Proportional priority flow regulator with reverse flow control
09/08/2000WO2000052340A1 Hydraulic circuit device
09/07/2000DE19909745A1 Hydrostatic pump circuit controls center round control valve with neutral center position giving medium valve-off pressure and sets valve-on pressure as function of medium flow rate.
09/07/2000DE10000661A1 Knuckle joint clamp for clamping workpieces
09/05/2000US6112521 Backpressure control circuit for hydraulic drive device
08/2000
08/31/2000WO2000050788A1 Hydropneumatic pressure booster
08/31/2000WO2000032944B1 Method and control device for controlling a hydraulic consumer
08/31/2000DE19907883A1 Hydropneumatischer Druckübersetzer Hydropneumatic pressure intensifier
08/31/2000DE10007478A1 Hydraulic clamping device to charge drive belt/chain of vehicle engine has integrated outlet element and relief valve with pressure relief function and fluid leakage function for high pressure oil chamber
08/30/2000CN2394042Y Pneumatic actuator
08/30/2000CN2394041Y Pneumatic actuator
08/30/2000CN2394040Y Linear pipeline pump
08/29/2000US6109030 Apparatus and method for ganging multiple open circuit pumps
08/29/2000CA2135574C Control device for actuator of construction equipment
08/24/2000DE19905855A1 Valve arrangement for control of pressure activation of double-acting adjustment cylinder as drive for particularly hydraulically operable shears functioning at different speeds
08/23/2000EP1030064A1 Pressure switch
08/23/2000EP1029782A2 Power tilt device, in particular for lifting and lowering a marine propulsion unit
08/23/2000EP0828943B1 Pressure compensating hydraulic control system
08/22/2000US6105613 Distributor for a hydraulic hoist which is controllable with regard to position and applied force, for tractors and agricultural machines
08/22/2000US6105367 Hydraulic drive system
08/17/2000WO2000047901A1 Control block for controlling the flow of fluid pressure medium to a fluid pressure operated device
08/16/2000EP1027503A1 Load suspension system
08/16/2000EP1027241A1 Method and device for modeling a hydraulic system and brake force regulating system
08/15/2000US6102362 Gas motor actuator
08/15/2000US6102074 Modular pneumatic distribution assembly
08/10/2000WO2000046561A1 Water-cooling panel for furnace wall and furnace cover of arc furnace
08/10/2000WO2000046514A1 Method and device for controllably feeding hydraulic oil
08/10/2000WO2000046513A1 Control arrangement for at least two hydraulic consumers and pressure differential valve for said control arrangement
08/10/2000DE19904616A1 Steueranordnung für wenigstens zwei hydraulische Verbraucher und Druckdifferenzventil dafür Control arrangement for at least two hydraulic consumers and differential pressure valve for
08/09/2000EP1025922A1 Hydraulic arrangement for performing a secondary operation in a pressing tool for sheet metal forming
08/09/2000EP1025365A1 Linear module
08/09/2000EP1025339A1 Automatic control system for a concrete distributing pipe in tunnel lining
08/09/2000EP0862697B1 Process and device for driving the hydraulic system of a machine
08/09/2000EP0828942B1 Hydropneumatic machine tool
08/09/2000EP0747797B1 Device for suppressing vibration of a working machine
08/08/2000US6101456 Output correcting method in control system, control system, and hydraulic pump control system
08/08/2000US6098647 Load-holding brake valve
08/03/2000WO2000044617A1 Turning of a propulsion unit
08/03/2000DE19903907A1 Hydraulic load drive method, for a fork-lift truck , involves using free piston engine connected in parallel with pneumatic-hydraulic converter so load can be optionally driven by converter and/or engine
08/03/2000DE19903404A1 Hydraulikaggregat Hydraulic unit
08/03/2000DE19903344A1 Hydraulic device for use as valve, with pressure supply, consumer, lines, setting valve, constant pressure device and pressure difference detection device
08/02/2000EP1024299A1 Hydraulic directional control valve
08/02/2000EP1024298A2 Hydraulic unit with variable system pressure
08/02/2000EP1023508A1 System for controlling, independently of load pressure, and holding the load of a plurality of rotational and/or translational users
08/02/2000CN1055148C Servo motor for quick actions stop valves
08/01/2000US6095500 Winch device
08/01/2000US6095187 Solenoid-actuated zero-leakage fail-safe three-position poppet-style four-way hydraulic directional control valve
08/01/2000US6095028 Hydraulic unit
08/01/2000US6094911 Load sensing hydraulic system with high pressure cut-off bypass
08/01/2000US6094910 Apparatus and method for raising and lowering a piston in a piston cylinder arrangement in a derrick
07/2000
07/27/2000WO2000043601A1 Hydraulic driving device of civil engineering and construction machinery
07/26/2000EP1022395A1 Hydraulic control device of working machine
07/25/2000US6092973 Dial-in ejector speed control for articulated trucks and the like having ejector type dump mechanism