Patents for F15B 11 - Servomotor systems without provision for follow-up action (16,384)
05/2013
05/10/2013WO2013065530A1 Flow rate control device
05/10/2013WO2013063997A1 Hydraulic control loop
05/10/2013WO2013063749A1 Hydraulic control circuit
05/09/2013US20130113213 Power generation at a subsea location
05/08/2013EP2589823A1 Control circuit for energy regeneration and working machine
05/08/2013DE102011117687A1 Hydraulic system, particularly for use in closed hydraulic circuits, has feed pump for feeding pressure medium in low pressure side, where flow rate of feed pump is variable irrespective of speed of main pump in response to system parameter
05/08/2013CN202927028U Pressure container variable volume constant-pressure keeping device
05/08/2013CN202926295U Cluster-type hydraulic pressure pumping unit
05/08/2013CN202924661U Hydraulic system of hoisting mechanism and crane
05/08/2013CN202923012U Rapid ejection structure of hydraulic cushion
05/08/2013CN202921715U Upper and lower roll driving hydraulic circuits for hydraulic four-roll plate reeling machine
05/08/2013CN202921714U Double-piston hydraulic oil cylinder used for coiling machine winding drum
05/08/2013CN103097742A Pressure/flow regulator
05/08/2013CN103097194A Mixer drum driving device
05/08/2013CN103089747A Hydraulic circuit for measuring effective work during continuous working stroke of crank pressure machine
05/08/2013CN103089738A Straight line walking valve and controlling system achieving excavator straight line walking
05/08/2013CN103089723A Double-winch synchronous control system
05/08/2013CN103089722A Multi-cylinder electro-hydraulic control system for double-valve-core rotary type direction throttle valve control cylindrical valve
05/08/2013CN103089721A High-flow electric-hydraulic proportional cartridge valve hydraulic control system for differential speed regulation
05/08/2013CN103085865A Load sensitive turning hydraulic system of loading machine
05/08/2013CN102384118B Electro-hydraulic proportional valve speed regulation control method, device, system and engineering mechanical equipment
05/08/2013CN102229328B Vehicle mechanical energy-saving hydraulic system with multi-pump confluence
05/08/2013CN101915664B Digital full functional water nozzle test system
05/08/2013CN101558243B Engine load control device of work vehicle
05/08/2013CN101454177B Mixer drum driving device
05/08/2013CN101216054B Synchronized speed shifting of multiple motors
05/02/2013WO2013061129A1 Hydraulic distribution system employing a dual pump
05/02/2013DE102012010726A1 Hydraulic linear drive for use in mobile machinery, has tension spring whose end is coupled with end face of control slide, and further coupled with side of auxiliary spring in mechanical coupling point
05/01/2013EP2587074A1 Hydraulic pump control system for construction machinery
05/01/2013EP2587073A1 Hydraulic control device for working vehicle
05/01/2013EP2587018A1 Combustion engine
05/01/2013EP2414707B1 Hydraulic transmission control
05/01/2013CN202916139U Hydraulic system for pipe fitting testing
05/01/2013CN202914431U Oil cylinder group capable of moving synchronously
05/01/2013CN202914425U Load sensing control hydraulic system and autorailer
05/01/2013CN202914424U Landing leg synchronous hydraulic system of tracked construction drilling rig
05/01/2013CN202914423U Hydraulic speed regulator with improved structure
05/01/2013CN202914422U Emergency hydraulic control system and road-rail vehicle
05/01/2013CN202914421U Deck mechanical hydraulic system for maritime work major possession transport ship
05/01/2013CN202914420U Wind power tower drum hydraulic fixed device for shipping transportation
05/01/2013CN202912225U Swing arm hydraulic control system of swing arm garbage truck
05/01/2013CN202910232U Improved cable cutting device
05/01/2013CN202910095U Oil cylinder pipeline control device of a hydraulic cold-drawing machine
05/01/2013CN103080565A Directional control valve device
05/01/2013CN103080435A Drive control method for operating machine
05/01/2013CN101784799B Pressure control valve having an asymmetric valving structure
05/01/2013CN101542131B Pump control device for construction machine
05/01/2013CN101490427B Electrohydraulic control system for the actuation of an actuator in a motor vehicle
05/01/2013CN101392772B Hydraulic control device of working machine
04/2013
04/30/2013US8430017 Control device for a hydraulic motor
04/30/2013US8430016 Control valve assembly with a workport pressure regulating device
04/30/2013US8429907 Active hydraulic regeneration for motion control
04/25/2013WO2013059777A1 Dynamically adjusting counterbalance valve
04/25/2013WO2013059092A2 Pilot operated fluid regulators having a reset apparatus and related methods
04/25/2013WO2013058973A1 Meterless hydraulic system having flow sharing and combining functionality
04/25/2013WO2013058326A1 Hydraulic drive device of power-operated hydraulic operation machine
04/25/2013WO2013058325A1 Hybrid-driven hydraulic work machine
04/25/2013WO2013058099A1 Hydraulic drive system for work vehicle
04/25/2013WO2013057919A1 Hydraulic control device and work machine equipped with same
04/25/2013WO2013056545A1 Energy-recoverable hydraulic actuator and actuating method
04/25/2013WO2013056454A1 Method and device for controlling hydraulic cylinder, pumping system, and concrete pumping apparatus
04/25/2013US20130098461 Booster for a Digital Hydraulic Controller and Method for Using a Booster in Connection with a Digital Hydraulic Controller
04/25/2013US20130098020 Meterless Hydraulic System Having Flow Sharing and Combining Functionality
04/25/2013US20130098019 Meterless Hydraulic System Having Flow Sharing and Combining Functionality
04/25/2013US20130098018 Hydraulic system
04/25/2013US20130098016 Meterless Hydraulic System Having Flow Sharing and Combining Functionality
04/25/2013US20130098015 Hydraulic system having flow combining capabilities
04/25/2013US20130098013 Closed-loop system having multi-circuit flow sharing
04/25/2013US20130098011 Hydraulic system having multiple closed-loop circuits
04/25/2013DE102004023626B4 Bremsventil, insbesondere für hydraulische Betätigungsanordnungen für bewegbare Teile an Fahrzeugen Brake valve, in particular for hydraulic actuating devices for movable parts on vehicles
04/25/2013DE102004011485B4 Hydraulische Ventileinrichtung Hydraulic valve means
04/25/2013CA2852049A1 Pilot operated fluid regulators having a reset apparatus and related methods
04/24/2013CN202900826U Hydraulic control operating system of engineering machinery and engineering machinery
04/24/2013CN202900816U Control device used for double oil supply system and simultaneously allowing double oil cylinder to synchronously work
04/24/2013CN202900815U Servo hydraulic control system capable of adjusting punching stroke and punching speed of punch automatically
04/24/2013CN202900814U Mud scraping harrow hydraulic lifting device provided with manual operating device
04/24/2013CN202900813U Pumping unit hydraulic control system
04/24/2013CN202900184U Derrick-type long-travel hydraulic pumping unit
04/24/2013CN202897283U Double-power hydraulic control system of compressing garbage truck
04/24/2013CN202895634U Double-cylinder differential motion type rapid hydraulic mold opening and closing system of direct pressure type injection molding machine
04/24/2013CN103062143A Hydraulic control system and hydrostatic testing steel pipe machine oil-water balance system
04/24/2013CN103062142A Pipe reeling device hydraulic system and piling machine
04/24/2013CN103062141A Track traveling mechanism, hydraulic system thereof and engineering machinery
04/24/2013CN103062140A Hydraulic device on basis of confluence control mode
04/24/2013CN103062024A High-low-pressure switching method for double-cylinder pumping device, hydraulic control system of double-cylinder pumping device and device
04/24/2013CN103061379A Hydraulic pressure assembly and excavator
04/24/2013CN103058085A 卷扬马达液压系统及旋挖钻机 Winch motor hydraulic systems and rotary drilling rig
04/24/2013CN103057159A Hydraulic control system of extruder and control method implemented by hydraulic control system
04/24/2013CN102220863B Valve-controlled automatic confluence hydraulic system for horizontal directional drilling machine
04/24/2013CN102022393B Rotary valve and rotary control loop using same
04/24/2013CN102022391B Digital hydraulic control system selectively controlling multiple operating cylinders
04/23/2013US8424302 Control device of engine, control device of engine and hydraulic pump, and control device of engine, hydraulic pump, and generator motor
04/23/2013DE202013002862U1 Verstellvorrichtung Adjustment
04/18/2013DE102011116113A1 Industrial truck with working hydraulic system, has shuttle valve whose output is connected with input of pressure sensor
04/18/2013DE102011115805A1 Hydraulic system for agricultural vehiclem, has hydraulic charge pump that is arranged to supply pressure medium to hydraulic load according to load properties
04/17/2013EP2580483A1 Hydraulic system and hydraulic distributor for actuating working machines
04/17/2013CN202884934U Synchronous drive device for mechanical fire grate of fire grate type house garbage incinerator
04/17/2013CN202883527U Three-way molding hydraulic machine synchronous side cylinder
04/17/2013CN202883526U Hydraulic system and hydraulic control device and crane
04/17/2013CN202883525U Valve block assembly of hydraulic system of comprehensive experiment platform
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