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Matches 1 - 50 out of 33,226

Document Document Title
WO/2018/224370A1
The invention relates to a pressure supply device for prioritised volume flow splitting, in particular in mobile working machines, comprising at least one adjusting pump (2) controllable by means of an LS signal as main pump, a constant-...  
WO/2018/211837A1
The present invention allows the number of components to be reduced and assembly work to be easily performed. A cylinder drive manifold device (10) that constitutes a cylinder drive apparatus (12) is provided with a block-shaped manifold...  
WO/2018/210550A1
The invention relates to a control apparatus for supplying at least one hydraulic consumer with fluid having a variable displacement pump (10) which may be controlled by means of a loadsensing pressure (LS), characterized in that, for a ...  
WO/2018/211022A1
The invention relates to a sawing system (Sg) for mounting in a machine for cutting a slice of a material, comprising a cradle (Bc) on which at least one double-acting hydraulic cylinder (V) coupled to a corresponding saw (Sc) is mounted...  
WO/2018/207268A1
A work machine provided with: a regulator (42) for controlling the pump capacity of a variable capacity hydraulic pump (41) on the basis of a pump control signal generated according to the operation amount of an operation lever device (5...  
WO/2018/203460A1
In order to form a speed controller which is applicable to a short-stroke cylinder with a simple configuration, a speed controller (1) is provided with: a first channel (15) and a second channel (16) which allow flow passage of a pressur...  
WO/2018/198535A1
A pressure booster (10) constituting a cylinder apparatus (12) is provided with a first piston (90) and a second piston (94) that are coupled to each other by a rod (96). A connection member (160) provided to the second piston (94) is co...  
WO/2018/199301A1
When a vibration-suppressing control is off, a signal pressure supply control valve stops the supply of a first signal pressure, a pressure adjustment valve is positioned in a first position connecting a supply/discharge port to a pump p...  
WO/2018/194110A1
In a hydraulic machine such as an excavation/turning work machine utilizing a load-sensing pump control system, the multiplexity of error factors results in a significant variation in the pump control characteristic among multiple hydrau...  
WO/2018/193741A1
This fluid pressure control device (100, 200) is provided with: a first control valve (30) which controls the flow rate of a hydraulic oil supplied to a lift cylinder (15); a second control valve (40) which controls the flow rate of the ...  
WO/2018/193740A1
This fluid pressure control device (100) is provided with: a first control valve (30) which controls the flow rate of a hydraulic oil supplied to a lift cylinder (15); a second control valve (40) and a third control valve (50) which cont...  
WO/2018/193807A1
This fluid pressure control device (100) is provided with a supply passage (21), a discharge passage (22), actuator control valves (30, 40) which control the flow of a hydraulic oil supplied to and discharged from actuators (15, 16), a s...  
WO/2018/194091A1
A hydraulic system equipped with: an electromagnetic proportional valve connected to a regulator via a secondary pressure line and connected to an auxiliary pump via a primary pressure line; an emergency line that branches from the prima...  
WO/2018/190615A1
A hydraulic system of construction machinery according to an embodiment of the present invention comprises: a boom cylinder; a first boom hydraulic line; a second boom hydraulic line; a regenerative line; a circulation line; an accumulat...  
WO/2018/190295A1
When a hydraulic machine such as an excavating revolving work machine works in an environment in which the engine output is reduced, such as in a low-pressure atmosphere at a high altitude, there is a problem in that noise is generated w...  
WO/2018/190756A1
The present invention regards a fluid actuator arrangement and a method of moving a first piston rod of the fluid actuator arrangement comprising a first piston (P1) comprising a first clamping device (K1), the first piston (P1) is arran...  
WO/2018/191710A1
A fluidic exoskeleton system. The system can include one or more fluidic actuator units that have: a joint; a first and second arm coupled to the joint; an inflatable bellows actuator extending between a first and second plate associated...  
WO/2018/178189A1
The invention relates to a positioning device (14) comprising a pneumatically actuatable positioning element (22) for moving a mechanical actuation element (16), and comprising a holding mechanism for maintaining the actuation element (1...  
WO/2018/179863A1
[Problem] To provide a construction machine equipped with a hydraulic closed circuit system which can inhibit unintended operation of a hydraulic actuator and continue the operation of a machine body even when a switching valve is stuck ...  
WO/2018/180512A1
Provided is construction machinery in which, when the rotational speed of a motor is set to be lower than a rated rotational speed and the discharge flow rate of a hydraulic pump is reduced, the operational range of a lever for varying t...  
WO/2018/177640A1
Apparatus for controlling a hydraulic machine, e.g. a turbine, a pump or a pump-turbine, using constant-displacement pumps that are driven at variable rotational speeds, said apparatus comprising a device for performing an emergency clos...  
WO/2018/177641A1
Apparatus for controlling a hydraulic machine, e.g. a turbine, a pump or a pump-turbine, using constant-displacement pumps that are driven at variable rotational speeds, said apparatus comprising a device for performing an emergency clos...  
WO/2018/177802A1
The invention relates to an actuator (1) for an automated or automatic transmission, having a cylinder housing (3), a piston unit (2), and a piston rod (13). The piston unit (2) is coupled to the piston rod (13) and is arranged in the cy...  
WO/2018/179070A1
The objective of the present invention is to provide a hydraulic control system for a working machine with which it is possible to detect an abnormality in a pump output switching device irrespective of the state of the abnormality of th...  
WO/2018/178961A1
This hydraulic system comprises: a first proportional solenoid valve and a second proportional solenoid valve that, the larger the operation signal output from a first operation device and a second operation device, output a higher secon...  
WO/2018/180323A1
Provided is a hydraulic drive device for a working vehicle, the hydraulic drive device being configured to reduce impact on an operator who operates an actuator. This hydraulic drive device for a working vehicle comprises: a variable dis...  
WO/2018/179574A1
This hydraulic control device comprises a pilot pressure control device (21) that variably controls pilot pressure supplied to a hydraulic pilot part of a directional control valve (14). The pilot pressure control device (21) includes fi...  
WO/2018/179563A1
This construction machine is provided with: an over-center type hydraulic pump 2; a hydraulic cylinder 1 that has a cap chamber 1e and a rod chamber 1f; a first flow path 11 which connects the hydraulic pump 2 and the cap chamber 1e; a s...  
WO/2018/178960A1
This hydraulic system comprises: an operation device; a control valve that, the larger the operation signal output from the operation device, increases the opening area of a passage that supplies hydraulic oil to a hydraulic actuator; a ...  
WO/2018/171948A1
The invention relates to a control unit for a control device for a heavy-duty vehicle, the unit having a main body (11) with two connection openings (12a, 12b), to which lines for a hydraulic medium of a first hydraulic circuit can be co...  
WO/2018/174411A1
The present invention relates to a rapid feed device and, more particularly, to a rapid feed device capable of rapidly feeding feed, such as a bombshell, by electric power. The rapid feed device according to the present invention compris...  
WO/2018/173843A1
Provided is a multiple directional control valve formed compact using a simple configuration. This multiple directional control valve (20) has a first directional control valve (30), a second directional control valve (40), and a third d...  
WO/2018/166984A1
The disclosure concerns a method for controlling the pressure in the chambers of a hydraulic cylinder (1) having a meter-out chamber (2) and a meter-in chamber (3). A meter-out valve (7) is connected to the meter-out chamber (2) for regu...  
WO/2018/168887A1
Provided is a hydraulic drive device that is for an electric hydraulic work machine and that makes it possible to: standardize the rated voltages of various types of electric devices, such as power storage devices, with those of an elect...  
WO/2018/167135A1
A hydraulic power control circuit for a construction vehicle, having a control section comprising: A first control valve (1) connectable to a source of hydraulic fluid under pressure (P1, P2, LSP) to control a power actuator (B) of the v...  
WO/2018/168236A1
Provided is a hydraulic drive device for a work machine that stores energy in a pressure accumulator and thereby recovers/reuses the energy, wherein operability corresponding to a change in the load on a front work machine due to the car...  
WO/2018/168179A1
Provided is a 2-engine construction machine capable of allowing a hydraulic closed circuit system to be more easily and efficiently mounted in the 2-engine construction machine, and achieving high energy saving performance. The hydraulic...  
WO/2018/163707A1
The present invention makes it possible to enhance the reproducibility of a device for automobile collision simulation testing. This servo actuator for automobile collision testing thrusts a piston rod toward a sled which is supported so...  
WO/2018/164263A1
A shovel according to an embodiment of the present invention is provided with: a base carrier (1); an upper turning body (3) that is mounted on the base carrier (1) in a turnable manner; a main pump (14) that is mounted on the upper turn...  
WO/2018/163722A1
An electromagnetic pressure reduction valve (40) is provided with a spool valve (42) that allows or blocks communication between a pilot passage (26) and a pilot pressure supply passage (28), and a solenoid (41) that imparts to the spool...  
WO/2018/156203A1
Disclosed are devices for controlling movement of an aerial bucket via a hydraulic system. The hydraulic system has a plurality of valves that control movement of the aerial bucket. A control head of the device has a joystick that is mov...  
WO/2018/153477A1
A hydraulic system to control at least two hydraulic actuators via a metering control valve assembly. The hydraulic system is particularly advantageous to control a pivoting arm of an undercutting mining machine according to at least two...  
WO/2018/151639A1
The present invention regards a fluid actuator arrangement (1), to be used in e.g. an interlinked elongated manipulator(IEM), and a method of moving a first rod (R1) and a second rod (R2) of a first actuating unit (A1), which comprises a...  
WO/2018/152069A1
A stage assembly (10) includes a stage (14), and a fluid actuator assembly (24) that moves the stage (14). The fluid actuator assembly (24) includes a piston housing (32) that defines a piston chamber (34); (ii) a piston (36) that separa...  
WO/2018/149780A1
The invention relates to a pin lifting device (10) for moving and positioning a substrate to be processed, comprising a pneumatic drive cylinder. Said pneumatic drive cylinder has a cylindrical housing (21), which encloses a first cylind...  
WO/2018/151323A1
The present invention suppresses the occurrence of jerking in a construction machine provided with a hydraulic pilot type hydraulic control device. A hydraulic shovel 1 provided with hydraulic pumps 51L, 51R, traveling motors 22L, 22R, t...  
WO/2018/151275A1
For a hydraulic machine such as an excavating/revolving work machine having a configuration wherein the capacity of a hydraulic travel motor can be switched, the objective is to ensure work precision by avoiding the effect of acceleratio...  
WO/2018/146035A1
The invention relates to a piezohydraulic actuator (10) comprising at least one piezo actuator (12), at least one drive (14), and at least two outputs (32, 44) hydraulically coupled to the drive (14) and mechanically coupled to one anoth...  
WO/2018/147106A1
Provided is a hydraulic system that can suppress costs and achieve comfortable operability. A hydraulic system (10) that comprises: a first hydraulic pump (11) and a second hydraulic pump (12); a first travel motor (21) and a second trav...  
WO/2018/147108A1
Provided is a simply structured directional control valve that change the supply flow of a hydraulic fluid. According to the present invention, a valve main body (31) has: a first branch passage (48) and a first parallel passage (46) tha...  

Matches 1 - 50 out of 33,226