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Matches 1 - 50 out of 8,540

Document Document Title
WO/2019/048455A1
The invention relates to a valve, in particular for use as a pressure balance (38) in lifting devices (2) that can be actuated hydraulically, comprising a valve housing (54) which has a control connection (40) and a fluid inlet (64) and ...  
WO/2019/047459A1
A high-precision digital hydraulic motor (7), which comprises a digital servo valve (3), a mechanical feedback mechanism (5), and a hydraulic motor (6). The high-precision digital hydraulic motor (7) integrates the digital servo valve (3...  
WO/2019/050064A1
A hydraulic machine may include an engine; a working fluid source driven by the engine to supply working fluid; an actuator; a flow control valve fluidly communicating with the working fluid source, wherein when signal pressure is applie...  
WO/2019/027392A3
The present invention relates to a throttling locking valve (10) for a control valve used in tractor hydraulic lifters and having a body (20) and a locking screw (30) provided inside the body (20). As an improvement, the subject matter t...  
WO/2019/050658A1
A fluidic device comprises a first channel conduit, a valve apparatus, and an additional element adjacent to the first channel conduit. The first channel conduit transports fluid from a first fluid entrance to a fluid exit. In one embodi...  
WO/2019/042277A1
A hydraulic control device (10), comprising: a hydraulic control portion (110) for controlling the hydraulic pressure by adjusting the flow of oil; a pump portion (120) for generating the hydraulic pressure; and a motor portion (130) hav...  
WO/2019/040082A1
A downhole tool includes a hydraulically operated actuation device to actuate the downhole tool and a control system that regulates flow of hydraulic fluid to the actuation device. The control system includes a pilot module and a power m...  
WO/2019/035016A1
A valve includes a bore within a valve body having a central axis. A plurality of galleries in the bore define flow paths for hydraulic fluid. A spool is positioned in the bore, and the spool is moveable along the central axis between a ...  
WO/2019/035923A1
A technique facilitates both actuation of a well tool and chemical injection at a corresponding well zone or well zones. In a multi-zone operation, the well system may comprise a plurality of operating modules coupled with corresponding ...  
WO/2019/036561A1
A hydraulic power unit (HPU) configured for use with a pressure relief valve (PRV) having an open port and a close port is provided. The HPU includes a pneumatic primary pump, a hydraulic fluid reservoir, an accumulator, and a two positi...  
WO/2019/028695A1
A digit hydraulic control system for azimuth control of a heliostat. The system comprises: a hydraulic auxiliary element (1), a hydraulic power element (2), a digital hydraulic motor (3), and a heliostat azimuth motion mechanism (4). The...  
WO/2019/030362A1
The present disclosure relates to a pre-fill hydraulic cylinder for actuatin a pre-fill valve. The pre-fill hydraulic cylinder has features for providing enhance alignment between a valve seat and a poppet moved by the pre-fill hydraulic...  
WO/2019/030354A1
The present disclosure relates to a valve device having valves arranged a compact in-line arrangement. In one example, the valves are mounted in a manifold and control flow between a pump port, an actuator port and a tank port defined by...  
WO/2019/020806A1
The present invention relates to a hydraulic device, in particular a hydraulic valve or hydraulic controller, comprising a housing (14), at least one plunger (17) which is axially movably mounted in a housing bore, and at least one compr...  
WO/2019/010591A1
Disclosed is a rotatable, parallel control, high flow rate, high frequency response digital valve composed of the constituent parts of a valve body (1), a valve sleeve (2), a left servo motor (15) and a right servo motor (9), wherein the...  
WO/2019/014396A1
A system and method for a high flow valve includes a seal rod, an armature configured to be connected to and move the seal rod, a valve seal configured to be connected to the seal rod, an exhaust seal seat and a diaphragm. The valve seal...  
WO/2019/011860A1
The present invention relates to a hydraulic valve control unit for an open center hydraulic system, the open center hydraulic system comprising a pump, a shunt valve and one or more actuator valves coupled to the shunt valve, wherein ea...  
WO/2019/011859A3
The present invention relates to An open center hydraulic system (100), the open center hydraulic system (100) comprising a tank configured to hold hydraulic fluid, a pump configured to provide pressurized hydraulic fluid from the tank, ...  
WO/2019/011859A2
The present invention relates to An open center hydraulic system (100), the open center hydraulic system (100) comprising a tank configured to hold hydraulic fluid, a pump configured to provide pressurized hydraulic fluid from the tank, ...  
WO/2019/007208A1
A lifter control device, comprising an oil-absorbing filter (1), a gear pump (2), a high-pressure oil filter (3), a hydraulic output valve group (5), an electric control valve group (4), an oil path conversion valve (9), a control mechan...  
WO/2019/009816A1
Transmission mechanism (1) with a handle (2) for controlling of non-electric driving means, comprising a casing (3) attachable to each control unit (4) for controlling each driving means and in which said handle (2) is mounted, which is ...  
WO/2019/007815A1
Described herein is a safety valve (22) for a hydraulic circuit (10) comprising a pump (17) designed to supply a hydraulic fluid at a first pressure value to a pressure line (19), comprising: a chamber (24), which can be fluidically conn...  
WO/2019/005448A1
A transducer for a connection to a fluid pressure source having a mechanism for setting a pneumatic output by way of an electrical input signal. The transducer provides a lower housing assembly and an upper housing assembly. The lower ho...  
WO/2018/232276A1
An air management system for a vehicle having a first pneumatic circuit and a second pneumatic circuit, in which the first and second pneumatic circuits are pneumatically connected in a neutral position via a cross-flow mechanism. The fi...  
WO/2018/225102A1
The present invention relates to a safety valve 20 for a hydraulic system. The valve comprises: an inlet 21, an outlet 22, and a channel 23. For the valve, a maximum operating flow rate Qm of the oil is predetermined. The channel guarant...  
WO/2018/217031A1
An embodiment of the present invention relates to a construction machine, the construction machine comprising: a main pump; a pivoting motor operated by receiving operating oil from the main pump; a pivoting valve for controlling the flo...  
WO/2018/209442A1
A servomechanism and method of operating same are provider. The servomechanism may be used in walking vehicles or construction vehicles. An operator provides a force to an input joint which controls a powered joint of the vehicle. Force ...  
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/2018/210640A1
The invention relates to an arrangement which comprises a valve (1) and a sensor (10) that detects sound and/or vibration, said sensor being fastened to the exterior of a part of the housing (6) of the valve.  
WO/2018/210046A1
A travel motor integrated valve cover, comprising: a balancing valve assembly (2), unidirectional valve assemblies (31, 32), buffer valve assemblies (41, 42), and a disc-shaped cast cover body (1); formed in the cover body (1) are a firs...  
WO/2018/206316A1
The invention relates to a valve comprising a valve housing (2) which, for transport of a heatable fluid such as hydraulic oil, has at least one utility connection (A, B), at least one pressure supply connection (P), and at least one ret...  
WO/2018/198355A1
A pneumatic servo valve (10) that uses a feedback spring and includes a first nozzle (50), a second nozzle (52), a flapper (30) arranged between these nozzles, and a first back-pressure passage (124) and a second back-pressure passage (1...  
WO/2018/188449A1
Disclosed are a travel motor shift valve (100), a travel motor and a construction machine. The travel motor shift valve (100) comprises a valve core (1), a first working oil port (Y), a second working oil port (L), a third working oil po...  
WO/2018/190475A1
The present invention relates to a valve comprising: an inlet part (IL) having an inlet into which a fluid flows; an outlet part (OL) vertically arranged in the inlet part and having an outlet from which the fluid is discharged; and open...  
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/2018/170951A1
Disclosed is a fixing device for a hydraulic valve, the fixing device comprising a fixing telescopic rod (1), a fixing telescopic rod transition plate (2), a fixing telescopic rod bottom disc (3), a fixing bolt (4), a fixing suction disc...  
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/2018/168884A1
This servo regulator (100) comprises: a servo piston (20); a first pressure chamber (54a) and a second pressure chamber (54b); a spool (30); a biasing member (71); a first support part (36) for supporting one end (71a) of a biasing membe...  
WO/2018/168883A1
This servo regulator (100) comprises: a servo piston (20); pressure chambers (54a, 54b); spools (30a, 30b); biasing members (37a, 37b); a feedback unit (80) which changes the biasing force of the biasing members (37a, 37b) by rotating in...  
WO/2018/168882A1
This servo regulator (100) comprises: a servo piston (20) which is connected to a swash plate (3); pressure chambers (54, 55) which are provided to face the end of the servo piston (20); spools (30, 40) which are moved by solenoids (37, ...  
WO/2018/169116A1
The objective of the present invention is to provide a hydraulic system, to which an optional redundancy function is applied, having driving devices separately arranged according to use and output specifications and enabling hydraulic so...  
WO/2018/162677A1
A control device having a plurality of modular control sections (12a - 12d), which form a control block when arranged beside one another and have units of an electromagnetically actuatable actuator system and/or of a sensor system for co...  
WO/2018/163089A1
The flow control valve for a single-action cylinder comprises: a control shaft that can be moved between at least three positions, a central chamber for receiving the shaft, an oil inlet for receiving oil from a pump, a tank connection t...  
WO/2018/164669A1
A solenoid valve assembly has a valve body in which a spool is slidably mounted and operated by a solenoid having a coil. A manifold member has a plurality of flow paths for supplying and discharging pressurized fluid to and from ports o...  
WO/2018/164465A1
A system for controlling a construction machine comprises: a hydraulic pump; at least one control valve provided at a center bypass line connected to the hydraulic pump, and controlling the flow direction of hydraulic oil discharged from...  
WO/2018/156522A1
A system for imparting motion of an object includes: (1) at least one first hydrostatic actuator; (2) a hydraulic transmission conduit; and (3) at least one second hydrostatic actuator. The first hydrostatic actuator is connected to the ...  
WO/2018/146195A1
The invention relates to a pressure reduction unit for use in processing equipment handling high pressure fluid, where the pressure reduction unit comprises at least one inlet and an outlet, the pressure reduction unit being adapted to r...  
WO/2018/142324A1
Device, for opening and closing an oil/hydraulic pressure line, for adjustable pressure control between two service pressures, via a pneumatic inlet, which comprises: a body for coupling the device to the pressure line; a positioning sha...  
WO/2018/144197A1
Hard coated spool valves are disclosed. An example spool valve includes a sleeve and a spool to be positioned within the sleeve. The sleeve and the spool are made of a corrosion resistant material. The spool valve includes a wear resista...  
WO/2018/141499A1
A hydraulic arrangement (10) for a motor-vehicle drive train (40) which has a first hydraulic consumer (16; 52) and a second hydraulic consumer (18; 44), wherein the first consumer (16; 52) is supplied with a first fluid volume flow (Q1)...  

Matches 1 - 50 out of 8,540