OPEN AND CLOSED CIRCUIT PARALLEL DRIVE SYSTEM AND CONTROL METHOD BASED ON A FOUR-CHAMBER HYDRAULIC CYLINDER

HYDRAULIC SYSTEM, WORKING VEHICLE AND METHOD

Hydraulic circuit

ELECTRIC HYDRAULIC ACTUATION SYSTEM FOR A SAFETY CRITICAL APPLICATION

Movable-blade operation system for hydraulic machine

Hybrid Construction Machinery

Switchable hydrostatic adjusting device

Hybrid shovel and hybrid shovel control method

Hydraulic system

Hybrid working machine

HYDRAULIC HYBRID SAFETY SYSTEM

Hydro-pneumatic system with pressure limiting valve

Pressure medium system, in particular hydraulic system

Hydraulic system and a method for controlling a hydraulic system

Power source apparatus and hybrid construction machine equipped with same

Working machine with variable displacement hydraulic pump

Hydraulic pump control system for construction machinery

Power control apparatus and power control method of construction machine

Work vehicle and work vehicle control method

Method of controlling hybrid working machine and method of controlling pump output of hybrid working machine

Method of controlling an electro-hydraulic actuator system having multiple actuators

Engine lug-down suppressing device for hydraulic work machinery

Swing drive controlling system for construction machine

Torque control apparatus for construction machine three-pump system

Pump torque control system for hydraulic construction machine

Hydro-pneumatic system with pressure limiting valve

Over-loading prevention device of construction machinery

Hydraulic fluid supply device and electric actuator

Arrangement And A Method For Controlling A Work Vehicle

Digital Hydraulic system

Energy regeneration system for working machinery

Energy regeneration system for machines

Arrangement and a method for controlling a work vehicle

Method and a device for controlling a vehicle and a computer program for performing the method

Power system and work machine using same