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Matches 101 - 150 out of 33,113

Document Document Title
WO/2017/213027A1
In order to enhance the responsiveness of an electromagnetic valve device to an operation, this work machine is provided with: an electromagnetic valve device which controls the flow of a pressure oil supplied from a hydraulic pump to a ...  
WO/2017/213571A1
A carrier comprising a hydraulic cylinder having a piston, a controller and a piston position sensor, wherein the carrier is arranged to carry an accessory through the use of the hydraulic cylinder and wherein the controller is configure...  
WO/2017/210450A1
A stage assembly (10) for positioning a workpiece (22) includes a stage (14), a base (12), a fluid actuator assembly (24), and a control system (20). The fluid actuator assembly (24) moves the stage (14) along the movement axis (30) rela...  
WO/2017/204698A1
The present invention relates to a hydraulic system (34) comprising a first actuator (36), a first pump assembly (38) and a first hydraulic circuit (40) for providing hydraulic fluid from the first pump assembly (38) to the first actuato...  
WO/2017/198725A1
Hybrid multistage systems and methods for converting the potential energy of a pressurised gas, particularly air, into mechanical work of two rotating shafts (L.16 and H.10) when operating in expansion mode, and for producing compressed ...  
WO/2017/198420A1
The invention relates to a piezohydraulic actuator (1) which is formed as a system having four chambers, wherein a first chamber is a drive bellows (3) which is movable by a piezo actuator (5) and which is filled with a hydraulic fluid (...  
WO/2017/200440A1
The present disclosure relates to a fluid actuator arrangement (100)and a method for control of a fluid actuator arrangement. The fluid actuator arrangement comprises a piston rod member (101),at least two cylinders (105, 106) each said ...  
WO/2017/200450A1
A operator supporting electrohydraulic drive and control system based on, position sensors (8) (9), a electronic control unite ECU (2), a recovery, storing and re-use system for energy, and with actuator (3) (4) and the drive control val...  
WO/2017/200441A1
The present invention regards a system and a method for providing a motion of an aircraft secondary control member (111, 611) incrementally in steps. An aircraft secondary control system comprises a rod arrangement (109, 609) of a drivin...  
WO/2017/195716A1
Provided is a crane 1 constituting a hydraulic system H that includes: actuators 25, 35, 45; direction switching valves 20, 30, 40 that switch the flow direction of an operating fluid for actuating the actuators 25, 35, 45; and proportio...  
WO/2017/195786A1
An actuator device (10) is provided with: a piston (21), which is housed in an internal space, and which forms, with a cylinder (20), a pair of pressure chambers (24, 25), said piston relatively moving with respect to the cylinder; a fir...  
WO/2017/193207A1
A pneumatic engine includes a plurality of pneumatic motors and an engine drive shaft. Each motor has a motor gas inlet, a motor gas outlet, and a rotor driven by gas flow between the motor gas inlet and the motor gas outlet. The engine ...  
WO/2017/191367A3
The object of the invention is a transmission arrangement for a moveable device, such as a door (1 ) opening mechanism (2) and a method for using a device moved with a hydraulic cylinder (3). The method comprises at least the following s...  
WO/2017/190298A1
A hydraulic actuator drive mechanism (200) for a wheel loader (100), which is configured such that the wheel loader (100) can be moved to a high altitude place to perform a work even without replacing an existing hydraulic pump with a hy...  
WO/2017/191367A2
The object of the invention is a transmission arrangement for a moveable device, such as a door (1 ) opening mechanism (2) and a method for using a device moved with a hydraulic cylinder (3). The method comprises at least the following s...  
WO/2017/192303A1
A hydraulic system includes one or more hydraulic subsystems that have a source of additional flow for supplying an auxiliary system. The hydraulic system may include one or more actuator systems, a boost system, and a further hydraulic ...  
WO/2017/188460A1
This control system is equipped with: an engine; a first hydraulic pump and a second hydraulic pump that are driven by the engine; an opening/closing device that is provided to a flow passage connecting the first hydraulic pump and the s...  
WO/2017/188193A1
This control system comprises: a distribution flow rate calculation unit that calculates a distribution flow rate of an operating fluid, said operating fluid being supplied to each of a first hydraulic actuator and a second hydraulic act...  
WO/2017/187980A1
[Problem] To provide a fluid control valve which has a simple structure, is compact, and is highly responsive when used while being connected to a fluid pressure circuit. [Solution] A fluid control valve has a first flow passage (27) and...  
WO/2017/188869A1
The present invention relates to a hydraulic system (30) for circulating hydraulic fluid via a pump (26) and a hydraulic motor (28). The hydraulic system (30) comprises a main control valve (36) adapted to be located between the pump (26...  
WO/2017/182325A1
The invention relates to a method for the supply of compressed air to a compressed-air consumer (3) which has two fluidically separate, kinematically coupled working chambers (53, 54), wherein each of the working chambers (53, 54) is ass...  
WO/2017/182268A1
The invention relates to a method for operating a valve device for supplying compressed air to a compressed air consumer (3; 63), comprising the steps: determining a first fluid pressure in a first section (20, 21, 22, 23) of a fluid duc...  
WO/2017/182511A2
The invention relates to an electronic execution unit (124) for controlling and regulating a pneumatic valve assembly (VS, V, VI, WV) for a pneumatic movement, said invention being characterised in that an application (A) for controlling...  
WO/2017/182511A3
The invention relates to an electronic execution unit (124) for controlling and regulating a pneumatic valve assembly (VS, V, VI, WV) for a pneumatic movement, said invention being characterised in that an application (A) for controlling...  
WO/2017/183695A1
The present invention comprises: a first layer (51) that has a first facing surface (515), first grooves (515a, 515c), and a first joint portion (515b); and a second layer (52) that has a second facing surface (526), second grooves (526a...  
WO/2017/178249A3
The invention relates to a hydraulic cylinder comprising a cylinder (2), a piston element (3) movably guided in the cylinder (2) in a working direction (W) and comprising an active surface (5, 7), and a first opening for feeding a fluid ...  
WO/2017/178546A1
In a load sensing hydraulic control circuit, a pressure compensator elaborates both a load sensing pressure signal to control a pump unit and a pressure compensated power flow for actuators, the power flow being either split or alternati...  
WO/2017/178347A1
An electrohydraulic control circuit (1) for actuating a hydraulically activated drive assembly (2), by means of which a mast segment of a manipulator, in particular of a large-scale manipulator for truck-mounted concrete pumps, can be ad...  
WO/2017/178249A2
The invention relates to a hydraulic cylinder comprising a cylinder (2), a piston element (3) movably guided in the cylinder (2) in a working direction (W) and comprising an active surface (5, 7), and a first opening for feeding a fluid ...  
WO/2017/175865A1
The present invention is configured so that it is possible to select any one of a first mode in which a first adjustment valve 13 and a second adjustment valve 20 operate solely on the basis of manipulation of a main manipulation tool (t...  
WO/2017/175814A1
The purpose of the invention is to provide a system for controlling a hydraulic pump with which it is possible to minimize an opening oil amount by estimating a requested oil amount on the basis of an actual driven amount of an actuator....  
WO/2017/175820A1
Provided is an emergency operation valve capable of alternatively switching between an open state and a closed state, wherein the emergency operation valve is configured so as to be provided with a valve box having a hollow valve chamber...  
WO/2017/175862A1
Provided is a crane that is capable of protecting a hydraulic cylinder by suppressing operation of the hydraulic cylinder when the hydraulic cylinder is in poor connection with a hydraulic circuit. A crane (1) provided with a derricking ...  
WO/2017/175194A1
A hydraulic apparatus for supplying track-setting devices for producing a cross-country skiing trail; the apparatus (3) comprising: a first inlet (6) for receiving a fluid; a first outlet (7) and a second outlet (8) for releasing two flo...  
WO/2017/171022A1
Provided is a failure detection device which is capable of automatically detecting failure of a hydraulic pilot circuit following a normal lever operation. The failure detection device is for a pilot circuit provided with: a pilot pressu...  
WO/2017/171381A1
The present invention relates to a vibrating pile driver, which: simply maintains the position of a pile (P) by utilizing the lifting of a horizontal shaft (90) relative to a circular hole (75a) when the pile (P) is pressed and inserted ...  
WO/2017/170256A1
This shovel is provided with: a hydraulic motor (21) for swiveling; a center bypass line (40L) on which a flow rate control valve (170) for the hydraulic motor (21) for swiveling is arranged; a negative control aperture (18L) which is ar...  
WO/2017/171088A1
This dump truck control system is provided with: a signal reception unit that receives a raising instruction signal that causes a dump truck, which is equipped with a vessel and a hydraulic cylinder for raising/lowering the vessel, to st...  
WO/2017/171021A1
Provided are: a hydraulic system which exhibits excellent safety, and which is capable of slowly driving an actuator during emergency operation; and an emergency operation method. This hydraulic system is provided with: a hydraulic pump;...  
WO/2017/168822A1
Provided is construction machinery which even when excavation load increases during leveling or slope forming work or the like is able to achieve a predetermined finishing accuracy while avoiding loss due to relief operations. This const...  
WO/2017/167435A1
A control device is disclosed for at least one hydraulic working section (A, B), which can be connected to a pressure supply source (P) and a return flow (T) via a hydraulic supply circuit and a control valve (34) supplied with a pilot p...  
WO/2017/168049A1
A fluid valve assembly (60) comprises a central bore (202) and a stem (203) axially-movable within the central bore and actuated by an axial pilot force (F_pil) and an axial counter force (F_sup). An inner supply pressure chamber (202E) ...  
WO/2017/171597A1
The present invention regards a counter weighted roped hydraulic lifting system (101) comprising: a rope drive (109) coupled to a lifting member (115); a hoist arrangement (103) comprising a rope guide pulley arrangement (105); the rope ...  
WO/2017/164175A1
An excavator according to an embodiment of the present invention comprises an undercarriage (1), a rotating platform (3) that is mounted on the undercarriage (1), an engine (11) that is provided to the rotating platform (3), a main pump ...  
WO/2017/164370A1
Provided is a failure diagnosis device with which failure of an unloading circuit of a hydraulic system can be reliably discovered. The unloading circuit is provided with a pump oil passage that connects a hydraulic pump and a directiona...  
WO/2017/164169A1
The shovel according to an embodiment of the present invention has an arm cylinder (8) that is driven by working oil discharged by a main pump (14) so as to move an arm (5), a control valve (176B) that is disposed on a center bypass pipe...  
WO/2017/157606A1
The invention relates to a hydraulic system (4) for a transmission of a motor vehicle. The hydraulic system comprises a first pump (5) which can be driven by an engine of the motor vehicle, and a second pump (20) which can be driven elec...  
WO/2017/154220A1
Provided is construction machinery capable of reducing load torque during engine startup, even when the engine is stopped against a driver's will. A hydraulic shovel includes a control device (35) including a pump capacity control unit (...  
WO/2017/154186A1
A hydraulic shovel is provided with an arm cylinder (34) driven by hydraulic oil from a hydraulic pump (23), a meter-out flow channel (L4) through which hydraulic oil expelled from the arm cylinder flows, a control valve (41) for control...  
WO/2017/151021A1
The present invention regards a fluid actuator arrangement (1) comprising a first clamping unit (3) coupled to a first actuating unit (5) comprising a first (7) and second (9) cylinder in fluid communication with a fluid supply (11), whe...  

Matches 101 - 150 out of 33,113