146307 ⎘
Circuits for servomotor systems; Directional control Pilot pressure control
Method of Controlling a Swing System of a Work Machine
#2HYDRAULIC SYSTEM IN WORK MACHINE
#3Calibration System in Hydraulic System
#4PILOT PRESSURE CONTROL DEVICE
#5Hydraulic valve bank and mobile hydraulic system
#6Hydraulic arrangement
#7Work Machine
#8Hydraulic system
#9Hydraulic system
#10Valve calibration system and calibration method
#11Air cylinder, head cover, and rod cover
#12Hydraulic system of construction machine
#13Hydraulic system of construction machine
#14Work machine
#15Work machine and control method
#16Hydraulic system in work machine
#17Work machine
#18Drive device for hydraulic cylinder in work machine
#19Flow controller and driving apparatus including the same
#20Hydraulic drive system
#21Methods and apparatus for quantifying pneumatic volume usage via valve controllers
#22Hydraulic system of work machine and work machine
#23Electrohydraulic control device for construction machine and method thereof
#24Work machine
#25Hydraulic circuit
#26Material moving machines and pilot hydraulic switching systems for use therein
#27Control valve
#28Hydraulic system in work machine
#29Hydraulic system of work machine and work machine
#30Working machine
#31Work machine hydraulic control system
#32Fluid pressure control device
#33Methods and apparatus to enable boom bounce reduction and prevent un-commanded motion in hydraulic systems
#34Electro-hydraulic control system with fail-safe pilot valves
#35Hydraulic system in work machine
#36Pump-controlled hydraulic circuits for operating a differential hydraulic actuator
#37Hydraulic system for working machine
#38Hydraulic drive system for construction machine
#39Hydraulic control system of construction machine
#40Hydraulic drive system of construction machine
#41Methods and apparatus to enable boom bounce reduction and prevent un-commanded motion in hydraulic systems
#42Control device for zero-leak directional control valves
#43Hydraulic system of work machine and work machine
#44Work machine
#45Hydraulic system for work machine, and work machine
#46Working machine having a hydraulically operated implement
#47Liquid-pressure driving system
#48Control strategy for reducing boom oscillation
#49Hydraulic system and working machine including the same
#50Control system for hybrid construction machine
#51Systems and methods for selectively engaged regeneration of a hydraulic system
#52Hydraulic circuit for construction machine
#53Discrete pilot stage valve arrangement with fail freeze mode
#54Hydraulic regenerative and recovery parasitic mitigation system
#55Pilot pressure control system
#56Fluid pressure control device
#57Construction equipment
#58Lifting device
#59Hydraulic excavator
#60Hydraulic control valve for construction machinery
#61Flow control valve for construction machinery
#62Fluid pressure control device
#63Control valve apparatus of power shovel
#64Hybrid construction machine
#65Change-over valve
#66Hydraulic cylinder for use for example in a hydraulic tool
#67Power regeneration device for working machine and working machine
#68Electrohydraulic control valve
#69Air control device and air control method
#70Work vehicle and work vehicle control method
#71Hydraulic circuit for controlling booms of construction equipment
#72Zonal hydraulic systems and methods
#73Hydraulic system for work machine
#74Apparatus for controlling raise speed of working machine for heavy equipment
#75Valve arrangement
#76Poppet valve assembly for controlling a pneumatic actuator
#77Electro-hydraulic sensor fail safe
#78Flow regeneration hydraulic circuit
#79HYDRAULIC DRIVE SYSTEM FOR CONSTRUCTION MACHINE
#80ROBUST CONTROL FOR ENGINE ANTI-STALL
#81Proportional valve assembly
#82CONTROL SYSTEM FOR CONTROLLING A DIRECTIONAL CONTROL VALVE
#83Hydraulic control circuit for overcontrol of a slewing gear drive
#84Hydraulic system with improved complex operation
#85Safety device for hydraulic working machine
#86Hydraulic trip unit for a valve unit in a prime mover plant, especially for a fast-acting shut-off valve of a turbine plant
#87Method for operating a hydraulic system, and hydraulic system
#88Hydraulic circuit having holding valve of external pilot pressure operation type
#89Hydraulic Drive Device
#90Backhoe hydraulic system
#91Two-stage servo-valve
#92Hydraulic controller for working machine
#93Arrangement in connection with an oscillator cylinder
#94Hydraulic circuit for construction machine
#95Work machine
#96HYDRAULIC CONTROLLER FOR WORKING MACHINE
#97Hydraulic controller for working machine
#98Metering valve with integral relief and makeup function
#99Hydraulic circuit for working machine
#100Continuously variable torque shredder drive
#101Hydraulic valve arrangement