145941 ⎘
Servomotor systems without provision for follow-up action; Circuits therefor; Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed specially adapted to maintain constant speed, e.g. pressure-compensated, load-responsive
Sub-classes:SYSTEM AND METHOD FOR CONTROLLING HYDRAULIC FLUID FLOW WITHIN A WORK VEHICLE
#2HYDRAULIC DRIVE DEVICE
#3Hydraulic drive system
#4Gas-powered drive system and operating method
#5HYDRAULIC DRIVE SYSTEM
#6Hydraulic control system for linear actuation
#7Construction machine
#8Control system for construction machinery
#9Construction machine
#10Work machine
#11Pressure compensator valve
#12Open center to open center load sense conversion valve and hydraulic systems therewith
#13Control system for lowering forklift lever
#14Three position metering valve for a self-contained electro-hydraulic actuator
#15Hydraulic system
#16Pilot valve assembly with orientation adjustment
#17Pump device
#18Discharge pressure scale and lifting-lowering device having a discharge pressure scale of this type
#19Hydraulic drive system of work machine
#20Hydraulic driving device for working machine
#21Work machine
#22Construction machine
#23Apparatus and methods for the control of hydraulic actuators
#24Pressure compensated load sense hydraulic system efficiency improvement system and method
#25Directional control valve
#26Servo valve with asymmetrical redundant piezoelectric actuator
#27Hydraulic drive system for work machine
#28System for controlling the supply of hydraulic fluid to a work vehicle implement
#29Hydraulic section for load sensing applications and multiple hydraulic distributor
#30Hybrid shovel and hybrid shovel control method
#31Valve assembly
#32Independent metering valve with flow limiter
#33Valve device
#34Hydraulic valve arrangement
#35FLUID VALVE ARRANGEMENT
#36Fan Drive System
#37Valve arrangement having individual pressure scale and load-lowering valve
#38Hydraulic system having an external pressure compensator
#39Fluid supply apparatus
#40Valve arrangement
#41Hydraulic drive
#42Hydraulic control apparatus
#43Flow control apparatus for heavy construction equipment
#44Hydraulic control device
#45Hydraulic control device of construction machinery
#46Hydraulic control system
#47Hydraulic control system
#48Hydraulic circuit for rapid bucket shake out
#49Hydraulic system having an external pressure compensator
#50Force feedback poppet valve having an integrated pressure compensator
#51Hydraulic control device
#52Hydraulic valve arrangement
#53Hydraulic valve arrangement
#54Hydraulic valve assembly with a pressure compensated directional spool valve and a regeneration shunt valve
#55Hydraulic circuit of option device for excavator
#56Lifting gear valve arrangement
#57Hydraulic system for utility vehicles, in particular agricultural tractors
#58HYDRAULIC CIRCUIT
#59Flow valve and flow distributor comprising several flow valves
#60Valve having a hysteretic filtered actuation command
#61Arrangement for controlling a hydraulically driven motor
#62Hydraulic circuit for option device of heavy construction equipment
#63Valve
#64Hydraulic system having a post-pressure compensator
#65Device for controlling a hydraulically driven motor
#66Valve gradually communicating a pressure signal
#67Hydraulic system having a pressure compensator
#68Fluid powered apparatus for operating a mechanism during an emergency
#69Hydraulic control arrangement
#70Device for controlling hydraulic power units
#71Hydraulic control
#72Fluid powered control system with a load pressure feedback
#73Hydraulic system having a pressure compensator
#74Method and system for improving stability of hydraulic systems with load sense
#75Hydraulic valve arrangement
#76Controlled-flow hydraulic distributor
#77Flow control apparatus for construction heavy equipment