146261 ⎘
Circuits for servomotor systems; Directional control characterised by the type of valves; Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
Sub-classes:OPEN AND CLOSED CIRCUIT PARALLEL DRIVE SYSTEM AND CONTROL METHOD BASED ON A FOUR-CHAMBER HYDRAULIC CYLINDER
#2HYBRID ELECTRO-HYDRAULIC LOAD SENSING SYSTEM AND CONTROL METHOD THEREOF
#3THREE-POSITION CONTROL DEVICE AND THREE-POSITION CONTROL METHOD
#4METHOD AND SYSTEM FOR A FLOW-ISOLATED VALVE ARRANGEMENT AND A THREE-CHAMBER CYLINDER HYDRAULIC ARCHITECTURE
#5HYDRAULIC DRIVE SYSTEM
#6PNEUMATIC SYSTEM AND PROCESS
#7A HYDRAULIC DEVICE
#8Method and system for a flow-isolated valve arrangement and a three-chamber cylinder hydraulic architecture
#9ELECTROHYDRAULIC PITCH-CONTROL SYSTEM WITH A VALVE PUMP IN A ROTATING REFERENCE FRAME
#10Hydraulic drive system
#11HYDRAULIC DRIVE SYSTEM
#12HYDRAULIC DRIVE SYSTEM
#13Construction machine
#14Gas circulation apparatus, gas circulation method, pneumatic apparatus, and semiconductor device
#15Valve arrangement and valve group
#16Actuator overpressurising assembly
#17Drive device for hydraulic cylinder in work machine
#18Construction machine
#19Controlled float on an agricultural harvester for header leveling
#20Hydraulic control circuit for a construction machine
#21Construction machine
#22Pneumatic control device and process control device equipped therewith
#23Spoiler droop function with mechanical feedback driving hydraulic valve
#24Hydraulic system for working machine
#25Controlled float on an agricultural harvester for header leveling
#26Hydraulic systems and methods for nested pressure regulating valves
#27Valve arrangement and control method
#28Hydraulic system for work machine and work machine
#29Crop machine with an electronically controlled hydraulic cylinder flotation system
#30Stick control system in construction machine
#31Dynamic open center hydraulic system control
#32Horizontal stabilizer trim actuator systems and methods
#33Servohydraulic drive
#34Hydraulic bypass circuit
#35DEVICE FOR PILOT VALVE
#36Electropneumatic control system and position controller for such a system
#37Work machine and hydraulic system for work machine
#38Electro hydraulic drive and control system
#39Pneumatic control valve manifold
#40Pneumatic control system
#41Large manipulator with decentralized hydraulic system
#42Electrohydraulic control circuit for a large manipulator
#43Dual valve systems for actuator control
#44Intelligent boom control with rapid system cycling
#45Hydraulic cylinder spool valve device
#46Hydraulic system for working machine
#47Crop machine with an electronically controlled hydraulic cylinder flotation system
#48Pneumatic control device and process control device equipped therewith
#49Valve system
#50Hydraulic system for working machine
#51Hydraulic driving apparatus of work machine
#52Hydraulic leak detection system
#53Closed loop and/or open loop control method for an electropneumatic field device
#54Hydraulic system for working machine
#55Crop machine with an electronically controlled hydraulic cylinder flotation system
#56Crop machine with an electronically controlled hydraulic cylinder flotation system
#57Hydraulic control system of construction machine
#58Horizontal stabilizer trim actuator systems and methods
#59Hydraulic circuit for construction machine
#60HYDRAULIC PUMP CONTROL APPARATUS FOR CONSTRUCTION EQUIPMENT AND CONTROL METHOD THEREOF
#61Valve arrangement
#62Hydraulic system for work machine and work machine
#63Testing of safety devices
#64Systems and methods for electrohydraulic valve calibration
#65Hydraulic drive device with load-dependent pressure distributor
#66Hydraulic apparatus and hydraulic appliance usable therein
#67Hydraulic drive system for operation table
#68Work machine and hydraulic system for work machine
#69Valve unit for a quick-changer and quick-change system
#70Hydraulic system for work machine, and work machine
#71Three-way control valve
#72Compressed-air system having a safety function and method for operating such a compressed-air system
#73Hydraulic drive system for construction machine
#74Annulus installed 6 zone control manifold
#75Valve subassembly having at least two pump lines for a pump
#76Hoist device for dump truck
#77Hydraulic circuit for construction machinery having floating function and method for controlling floating function
#78Electropneumatic windshield wiper drive for a rail vehicle, drive for a windshield wiper and pneumatic system for operating a drive for a windshield wiper
#79Hydraulic excavator drive system
#80Hydraulic drive and method for discreetly changing the positional output of said drive
#81Hydraulic drive system for construction machine
#82Hydraulic drive with rapid stroke and load stroke
#83Hydraulic system for a working machine and a method for controlling a hydraulic system
#84Electrohydraulic control circuit
#85Control arrangement of a hydraulic system and a method for controlling a hydraulic system
#86Position controller for a pneumatic field device
#87Hydraulic valve arrangement
#88Actuator system
#89Construction machine
#90Hydraulic shovel
#91Pilot operated fluid regulators having a reset apparatus and related methods
#92Actuator unit
#93Actuator unit
#94Actuator unit
#95Hydraulic control device and construction machine with same
#96Void protection system
#97Clutched hydraulic system for a refuse vehicle
#98Hydraulic drive system for construction machine
#99Flow control valve for construction machinery
#100Actuator unit
#101Hydraulic drive circuit
#102Fluid pressure control device
#103Control valve apparatus of power shovel
#104Hydraulic circuit for construction machine
#105Hydraulic circuit for construction machine and control device therefor
#106Hydraulic arrangement for supplying a consumer
#107Hydraulic control device and construction machine provided with same
#108Method and control unit for the operation of a parking brake of a vehicle transmission assembly
#109Reducing dig force in hydraulic implements
#110Transport vehicle
#111Boom driving device
#112Four-chamber cylinder for a hydraulic actuating device with emergency function and hydraulic actuating device having this
#113Electro-hydraulic system with float function
#114Void protection system
#115Hydraulic regeneration system and method for a material handling vehicle
#116Control device for a hydraulic elevator drive
#117Energy recovery hydraulic system
#118Pneumatic drive system and method for operating the pneumatic drive system
#119Electropneumatic control device and electropneumatic subassembly
#120Method for actuating a hydraulic valve arrangement, and hydraulic valve arrangement
#121Zonal hydraulic systems and methods
#122Hydraulic circuit and control system therefor
#123Work implement control system
#124Pilot operated fluid regulators having a reset apparatus and related methods
#125Steering control unit and electro-hydraulic steering load sense control
#126Meterless hydraulic system having multi-actuator circuit
#127Meterless hydraulic system having pump protection
#128Apparatus for controlling raise speed of working machine for heavy equipment
#129Hydraulic pressure-regulating valve for construction equipment
#130Regenerative hydraulic systems and methods of use
#131Methods and apparatus for bypassing a positioner in an active control loop
#132Method for removing foreign matter from a digital hydraulic pressure controller
#133Electronically controlled hydraulic system for an agricultural implement
#134Control valve assembly for electro-hydraulic steering system
#135Overriding a primary control subsystem of a downhole tool
#136Active implement down force system with automatic latching of tractor power beyond pressure
#137Hydraulic drive device for hydraulic excavator
#138Device to actively control the vibrations of an articulated arm to pump concrete
#139CONTROL SYSTEM OF A SHIFT CYLINDER
#140Apparatus for hydraulically actuating processing machines such as metal forming machines and method for actuating such metal forming machines
#141Control Device and Method for a Quick-Acting Gate Valve of a Steam Turbine
#142Apparatus, a control circuit and a method for producing pressure and volume flow
#143Hydraulic pressure supply unit for a power screwdriver
#144Hydraulic control circuit for overcontrol of a slewing gear drive
#145System, working machine comprising the system, and method of springing an implement of a working machine during transport
#146Load sensing system, working machine comprising the system, and method for controlling a hydraulic function
#147Hydraulic system of work machine
#148DIRECT ACTING ZERO LEAK 4/3 TANDEM CENTER NEUTRAL VALVE
#149Overriding a primary control subsystem of a downhole tool
#150Hydraulic control device
#151Control valve assembly for electro-hydraulic steering system
#152Control valve unit with alternating stop
#153Pressure control valve having an asymmetric valving structure
#154Relief pressure switching apparatus for hydraulic working machine
#155Antagonistic fluid control system for active and passive actuator operation
#156Pressure monitor for pneumatic vitrectomy machine
#157Device and valve combination for reversing the flow of flowing media
#158Hydraulic control device for controlling a boom-swing frame combined motion in an excavator
#159Hydraulic valve arrangement
#160Oil pressure circuit for working machines
#161Method and apparatus for controlling air cylinder
#162Air cylinder with high frequency shock absorber and accelerator
#163Control device for a hydraulic lifting arrangement