146271 ⎘
Circuits for servomotor systems; Directional control characterised by the positions of the valve element; Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
HYDRAULIC SYSTEM, EXCAVATOR, AND CONTROL METHOD OF EXCAVATOR
#2HYDRAULIC DISTRIBUTOR WITH COMPENSATION DEVICE FOR DIRECTIONAL VALVES
#3OPEN CENTRE HYDRAULIC DISTRIBUTOR AND POWER TRANSMISSION SYSTEM FOR TRANSMITTING TO USERS OF AN OPERATING MACHINE
#4Fan Drive Device with Proportional Valve
#5Work Machine
#6Hydraulic machine
#7Work Machine
#8Hydraulic control device for work machine
#9Apparatus with hydraulic machine controller
#10Control valve of hydraulic system for working machine
#11Flow control valve
#12Hydraulic system for working machine
#13Hydraulic system for working machine
#14Work vehicle
#15Hydraulic control circuit for a construction machine
#16Apparatus with hydraulic machine controller
#17Hydraulic excavator drive system
#18Valve apparatus and fluid pressure system equipped therewith
#19Open center control valve configured to combine fluid flow received from multiple sources
#20Hydraulic system of working machine
#21Hydraulic system for working machine
#22Work machine
#23Hydraulic circuit
#24Stick control system in construction machine
#25Hydraulic drive device for cargo vehicle
#26Hydraulic system for working machine
#27Hydraulic system for working machine
#28Work machine
#29Work machine
#30Shovel and control valve for shovel
#31Hydraulic power control circuit and construction vehicle comprising such circuit
#32Hydraulic system for working machine and control valve
#33Modular directional valve with two or more elements of mixed type
#34Hydraulic valve device with multiple working sections with pump control system with by-pass line
#35Hydraulic system for working machine and control valve
#36Hydraulic pump control system of hydraulic working machine
#37Hydraulic system for working machine
#38Fluid pressure control device
#39Electro-hydraulic system with negative flow control
#40Hydraulic clamping systems having load side-shifting variably responsive to load weight
#41Flow rate control apparatus of construction equipment and control method therefor
#42Hydraulic drive system of construction machine
#43Hydraulic control apparatus and method
#44Hydraulic circuit for construction machine
#45Hydraulic drive system of construction machine
#46Hydraulic block
#47Hydraulic drive system for working machine
#48Hydraulic system of work machine
#49Hydraulic drive system for construction machine
#50Hydraulic drive system for working machine including track device of crawler type
#51Independent metering valve priority in open center hydraulic system
#52Slewing drive apparatus for construction machine
#53Hydraulic system for construction machine, provided with protection device
#54Construction machine
#55Work machine
#56Hydraulic circuit for loader
#57Hydraulic system for extreme climates
#58Hydraulic system for construction machinery
#59Multiple valve device
#60Hydraulic circuit for construction machine
#61Hydraulic circuit for construction machine and control device therefor
#62System for reducing fuel consumption in excavator
#63Slewing type working machine
#64Priority control system for construction machine
#65Hydraulic control apparatus and method
#66Shovel and method of controlling shovel
#67Hydraulic drive apparatus for work machine
#68Shovel and method for controlling shovel
#69Slewing type working machine
#70Slewing type working machine
#71Hydraulic circuit for controlling booms of construction equipment
#72Apparatus for improving excavating operation characteristic and grading operation characteristic of excavator
#73Method for improving excavating operation characteristic and grading operation characteristic of excavator
#74Hydraulic circuit for pipe layer
#75Construction machine with working attachment
#76Hydraulic system for construction machine having electronic hydraulic pump
#77Energy-recovery generation system for handling and carrying electric vehicle
#78Flow sensing based variable pump control technique in a hydraulic system with open center control valves
#79Hydraulic system with fluid flow summation control of a variable displacement pump and priority allocation of fluid flow
#80Hydraulic System with Pilot Circuit Power Reclamation
#81Hydraulic driving apparatus for working machine
#82Construction machine having hydraulic circuit
#83Hydraulic control device for working vehicle
#84Construction machine with hydraulic circuit
#85Closed-loop hydraulic system having force modulation
#86Multi-pump system with pump-flow diversion
#87Transporter vehicle
#88Hydraulic work machine
#89Control system for construction machine
#90Hydraulic driving apparatus for working machine
#91Pump control unit for hydraulic system
#92Hydraulic driving apparatus for working machine
#93System for allocating fluid from multiple pumps to a plurality of hydraulic functions on a priority basis
#94Split valve pump controlled hydraulic system
#95Hydraulic system for working machine
#96Fixed/variable hybrid system
#97Hydraulic drive device for hydraulic working machine
#98Travel vibration suppressing device of work vehicle
#99LOAD SENSING HYDRAULIC SYSTEM
#100Work machine and control method for work machines
#101Flow summation system for controlling a variable displacement hydraulic pump
#102Hydraulic circuit for working machine
#103Hydraulic control apparatus for work machine
#104HYDRAULIC DRIVE SYSTEM FOR CONSTRUCTION MACHINE
#105CONTROLLER OF HYBRID CONSTRUCTION MACHINE
#106Hydraulic control valve for construction machinery
#107Hydraulic Circuit For Working Machine
#108Negative control type hydraulic system
#109Fluid bypass system
#110Hydraulic control valve assembly with monolithic body and single spool port lock
#111Stack valve having bucket parallel movement function
#112Device for controlling hybrid construction machine
#113Control device for hybrid construction machine
#114Swing drive controlling system for construction machine
#115Controller of hybrid construction machine
#116Hydraulic control system for excavator
#117Hydraulic system for construction equipment having float function
#118Slewing stop control apparatus and method for slewing type working machine
#119Braking control apparatus for slewing type working machine
#120Work machine
#121Hydraulic circuit of winch for crane
#122Pump torque control system for hydraulic construction machine
#123Hydraulic controller
#124Hydraulic control circuit for construction machine
#125Hybrid electric vehicle traction motor driven power take-off control system
#126Hydraulic system for construction equipment
#127HYDRAULIC CONTROL CIRCUIT FOR EXCAVATOR
#128CONTROL CIRCUIT FOR CONSTRUCTION MACHINE
#129Dual mode hydraulic circuit control and method
#130Hydraulic working machine
#131Smart flow sharing system
#132Hydraulic drive device for vertical pivoting movement of load carrying platform
#133Hydraulic circuit for heavy equipment
#134Hydraulic circuit structure of work vehicle
#135Hydraulic circuit for heavy equipment
#136Swing drive system for construction machine
#137Fixed/variable hybrid system
#138Hydraulic circuit for construction equipment
#139Hydraulic circuit to prevent bucket separation from bucket rest during traveling of heavy equipment
#140Hydraulic drive apparatus
#141Hydraulic power management system
#142Hydraulic control device of construction machine
#143Hydraulic system with variable standby pressure
#144Multi-purpose hydraulic system
#145Backhoe hydraulic system
#146Hydraulic circuit of option device for excavator
#147Straight traveling hydraulic circuit
#148Apparatus for increasing operation speed of boom on excavators
#149Platen Press
#150Straight traveling hydraulic circuit
#151Traveling system for heavy construction equipment
#152Hydraulic control device for working machine
#153Vehicle steering mechanism
#154Multi-purpose hydraulic system
#155Load sensing hydraulic system
#156Hydraulic circuit for heavy construction equipment
#157Hydraulic control system for heavy construction equipment
#158Hydraulic control system for construction vehicle, particularly excavators
#159Hydraulic control apparatus for hydraulic excavator
#160Arrangement for controlling rock drilling
#161Pressure compensating flow control hydraulic circuit having holding valve
#162Hydraulic control device of industrial machinery
#163Priority hydraulic flow diverter control assembly
#164Apparatus and method for controlling a pump flow of heavy construction equipment
#165Hydraulic system for an air cart
#166Hydraulic circuit of construction machinery
#167Hydraulic working machine
#168Boom-holding control device for use in heavy construction equipments
#169Hydraulic control device for controlling a boom-swing frame combined motion in an excavator
#170Hydraulic control circuit and method thereof
#171Hydraulic circuit device of hydraulic working machine
#172Hydraulic system and forklift with the same
#173Oil pressure circuit for working machines
#174Hydraulic control valve having holding valve with improved response characteristics
#175Hydraulic control system and construction machine
#176Method for compensating flow rate at neutral position of operation lever of construction equipment
#177Work vehicle hydraulic system
#178Hydraulic driving system of construction machinery
#179Anti-stall pilot pressure control system for open center systems
#180Hydraulic circuit of excavating and slewing working vehicle
#181Hydraulic drive unit
#182Hydraulic drive apparatus
#183Actuator for driving a valve
#184Hydrostatic drive system with a safety device
#185Signal processing system for construction machine
#186Hydraulic equipment
#187Mechanism for switching between closed and open center hydraulic systems
#188Hydraulic active boom suspension for a telehandler
#189Hydraulic actuation system for work machine