145934 ⎘
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 by means in the feed line, i.e. "meter in"
Sub-classes:WORK MACHINE
#2Two-stage speed controller
#3HYDRAULIC DRIVE SYSTEM
#4Work Machine
#5Hydraulic system for rotary implement
#6Work Machine
#7WORKING MACHINE AND METHOD OF CONTROLLING WORKING MACHINE
#8Work Machine
#9Hydraulic drive system
#10HYDRAULIC DRIVE SYSTEM
#11HYDRAULIC DRIVE SYSTEM
#12Work Machine
#13WORKING MACHINE
#14Multi-rotor hydraulic drone
#15Hydraulic apparatus and operating method
#16Fluid circuit for air cylinder
#17Work vehicle
#18Construction machine
#19A CONTROL VALVE ASSEMBLY FOR A LOAD HANDLING VEHICLE
#20Construction machine
#21Hydraulic excavator drive system
#22Open center hydraulic system and valve
#23Agricultural product metering motor creep control
#24Large manipulator having an articulated mast that can be quickly folded and unfolded
#25Control system for an adjustable deflector
#26Speed controller
#27Dynamic open center hydraulic system control
#28Hydraulic system
#29Shovel
#30Method of aligning a flat or profiled metal sheet
#31Pilot valve assembly with orientation adjustment
#32Methods and apparatus to enable boom bounce reduction and prevent un-commanded motion in hydraulic systems
#33Hydraulic system for working machine
#34Dual valve fluid actuator assembly
#35Construction machine
#36Crane
#37Method and apparatus for controlling a double-acting pneumatic actuator
#38CONTROL DEVICE FOR FLUID PRESSURE ACTUATOR
#39Excavator and control valve for excavator
#40Hydraulic apparatus comprising synthetically commutated machine, and operating method
#41Hydraulic valve device with multiple working sections with pump control system with by-pass line
#42Method and device for controlling a hydraulically actuated drive unit of a valve
#43Hydraulic actuator control circuit
#44Variable pressure control system for dual acting actuators
#45Working machine
#46Methods and apparatus to enable boom bounce reduction and prevent un-commanded motion in hydraulic systems
#47Fluid pressure system
#48Hydraulic driven fan system
#49Variable pressure control system for dual acting actuators
#50Hydraulic system for an air cart
#51WORK VEHICLE, AND CONTROL METHOD FOR WORK VEHICLE
#52Driving device for work machine
#53Pressure limited flow priority boost
#54Pressure limited flow spool
#55Swing control system for construction machines
#56Hybrid construction machine
#57Hydraulic hammer having delayed automatic shutoff
#58Hydraulic control device and construction machinery including same
#59Method and Hydraulic Control System Having Swing Motor Energy Recovery
#60HYDRAULIC ACTUATOR DAMPING CONTROL SYSTEM FOR CONSTRUCTION MACHINERY
#61Hydraulic drive apparatus for work machine
#62Variable pressure control system for dual acting actuators
#63Drive control method of operating machine
#64Hydraulic Circuits with Energy Conservation Features for Overrunning Load Conditions
#65Transporter vehicle
#66Proportional poppet valve with integral check valves
#67Variable pressure control system for dual acting actuators
#68Arrangement for providing a variable throttle cross-section for a fluid flow
#69Cooling fan driving device and fan rotational speed control method
#70Fluid-dynamic circuit
#71Method of operating a control valve assembly for a hydraulic system
#72Pneumatic drive system
#73Control system and method for controlling at least two hydraulic consumers
#74SPEED CONTROL DEVICE FOR HYDRAULIC ACTUATOR
#75Hydraulic system with a pressure reducing valve
#76DEVICE FOR CONTROLLING A FLUID-ACTIVATED DOUBLE-ACTION OPERATING CYLINDER
#77Control valve unit with alternating stop
#78Hydraulic catapult drive
#79Operating device
#80Three-way poppet valve with intermediate pilot port
#81Pressure control valve having an asymmetric valving structure
#82Fluid-transfer system
#83Softstart valve means
#84Hydraulic circuit of option device for excavator
#85Digital control valve assembly for a hydraulic actuator
#86Arrangement in connection with an oscillator cylinder
#87Valve arrangement for the activation of a structural element
#88Independent metering valve control system and method
#89Pressure compensating flow control hydraulic circuit having holding valve
#90Hydraulic system having a pressure compensator
#91Hydraulic system for an air cart
#92Flow control valve having pressure compensating valve
#93Method and apparatus for controlling air cylinder
#94Hydraulic system with an actuator having independent meter-in meter-out control
#95Hydraulic actuating device
#96Control valve apparatus and pressure circuit
#97Cylinder apparatus with a capability of detecting piston position in a cylinder
#98Hydraulic valve arrangement
#99Valve arrangement and hydraulic drive
#100Valve arrangement and hydraulic drive
#101Valve arrangement and hydraulic drive
#102Drive mechanism
#103Flow divider assembly