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Patent Searching and Data


Matches 51 - 100 out of 8,699

Document Document Title
WO/2019/238682A1
The present disclosure relates to a hydraulic valve arrangement comprising a first pilot operated proportional directional control valve (10) having a first valve member (11) that is displaceable in a first and a second axial direction (...  
WO/2019/235940A1
The invention broadly relates to a pneumatic pumping system to pump at least one fluid from one location to another and, in some forms, to mix fluids together. The system comprises a programmable electronic controller, a data source, a p...  
WO/2019/226937A1
A system and method for providing redundancy in hydraulic circuits in multi-cycle hydraulic tools is described. The problems of dysfunctional hydraulic tool due to the failure of electromechanical actuators are addressed by providing red...  
WO/2019/224426A1
Hydraulic valve (1, 1') comprising an on/off seat-type main valve with two ports comprising a displaceable poppet (10) for opening and closing the main flow channel (8, 9); an on/off seat-type pilot valve with three ports, with a magneto...  
WO/2019/219492A1
The invention relates to a valve having a valve housing (12) which has at least one pressure supply connection (P), a first service connection (A), a second service connection (B) and a return connection (T1, T2) and in which a control s...  
WO/2019/219491A1
The invention relates to a valve, characterized in that, between a neutral position (38) of a control slide (STS) and one of the end positions (34, 42) thereof, a regeneration position (36), in which two utility connections (A, B) are co...  
WO/2019/219489A1
The invention relates to a control device for a hydraulic consumer which is susceptible to vibrations, comprising a valve (24) having a control spool (40) which can be actuated by means of an actuation apparatus (46). The valve (24) has ...  
WO/2019/214887A1
Valve arrangement for supplying a hydraulic consumer with pressure medium, which valve arrangement has two working connectors (A, B) for the fluid connection to the consumer, with a first control valve which - has a first feed line (24),...  
WO/2019/215883A1
A throttle check valve (26) comprises: a poppet valve body (31) on one end of which an orifice (32) is formed, and on a side of which holes (35) are formed; a plug (33) that has a tubular shape surrounding this poppet valve body (31), an...  
WO/2019/210341A1
The invention relates to a hydraulic system, more particularly for a lifting device, comprising: - at least one piston-cylinder assembly (1) for applying a force to at least one movable component, the at least one piston-cylinder assembl...  
WO/2019/201579A1
In a mobile stretcher, in order to change the height position of a patient support mounted on a chassis, the geometry of the chassis is modifiable by means of a hydraulic drive system. The latter comprises a linear actuator, a pressure s...  
WO/2019/152173A3
A valve driver system for driving a plurality of valves of a valve manifold. The system includes a plurality of valve drivers, wherein each valve driver is configured to drive a zone of one or more valves of the manifold; and, a power bo...  
WO/2019/197813A1
A hydraulic manifold is formed in one piece. It comprises an exterior wall defining an inner space within which there is at least one flow gallery for conveying hydraulic fluid. The flow gallery provides a fluid flow path and is bounded ...  
WO/2019/192649A1
The invention relates to an electro-hydraulic unit (1) comprising at least one hydraulic valve (3, 4) activated by means of an electromagnet (2), at least one volume flow source (5), which comprises a hydraulic pump (31) driven with the ...  
WO/2019/185755A1
The invention relates to a fluid valve (50) for a hydraulic circuit of an aircraft, comprising: - a valve body (20) comprising one inlet (22), two outlets (23); - a solenoid electric actuator (40) comprising a ferromagnetic mobile driver...  
WO/2019/186379A1
Described herein is a valve device specifically provided for being used within a hydraulic system that uses sea non-demineralised water as work fluid. The device is characterised in that it envisages a plurality of axial valves (42, 44, ...  
WO/2019/186031A1
The invention relates to a servo valve for controlling the flow rate or the pressure of a fluid, comprising: a control stage comprising at least one permanent magnet, at least one coil and an armature (13) configured to be able to be rot...  
WO/2019/171248A1
The hydraulic distributor (1) comprises: a plurality of modules (2) connected to each other in a removable manner, where each of the modules (2) comprises a relative body (3) provided with: at least one supply channel (4) connectable to ...  
WO/2019/162097A1
A valve device having a feed connector (ZA) of a feed side for the supply of a hydraulic consumer which can be connected to the feed connector (ZA) with pressure fluid, an outlet connector (AA) of an outlet side for the discharge of pres...  
WO/2019/157429A1
An example valve assembly is configured: generate a valve load-sense pressure signal indicative of a pressure level at a workport of an actuator; generate a pilot fluid signal to be communicated to a worksection of a valve assembly to en...  
WO/2019/149988A1
The pipe element (15) for a starting air system (1) of a piston engine (20) comprises a longitudinal central conduit (14) for conveying pressurized air, the central conduit (14) comprising a branch (14a) for connecting cylindrical outer ...  
WO/2019/152173A2
A valve driver system for driving a plurality of valves of a valve manifold. The system includes a plurality of valve drivers, wherein each valve driver is configured to drive a zone of one or more valves of the manifold; and, a power bo...  
WO/2019/149751A1
The invention relates to a control valve assembly (1) for an indirect pneumatic control and to a method for controlling a working fluid pressure. The aim of the invention is to provide a control valve assembly (1) and a method for contro...  
WO/2019/144615A1
A hydraulic support system for a magnetic levitation train and the magnetic levitation train, the system comprising hydraulic support devices (1), a control panel and a hydraulic station, wherein the hydraulic station is fixed to the bot...  
WO/2019/143408A1
A redundant balance line operating system including first and second control lines, first and second balance lines, a first and second compensators and first and second actuators, the components being hydraulically connected to operate r...  
WO/2019/138612A1
This control valve (60) is provided with a housing (70) in which a first and a second supply port (71d, 71e), a first and a second actuator port (71h, 71i) and a pilot port (71j) are formed, and a spool (80) which is slidably housed in t...  
WO/2019/134832A1
The invention relates to a hydraulic valve assembly for use within a hydraulic control block, i.e. a valve disc with a common housing for different valves. A disc-like valve housing has two parallel running contact surfaces as outer surf...  
WO/2019/134788A1
The invention relates to a releasable check valve having a housing, a first closing body guided in a displaceable manner in the housing, the first closing body enabling the fluid connection from a consumer port to an inlet to be shut off...  
WO/2019/132951A1
A control system can include a resettable chamber and a bidirectional valve. The bidirectional valve can be switchable between (i) a first configuration for enabling fluid flow from the control line into a first port of a well tool and f...  
WO/2019/120128A1
An enclosed hydraulic rock drill working system, comprising a hydraulic rock drill (18) and a water tank (2); the water tank (2) supplies water to the hydraulic rock drill (18) by means of a high pressure water supply system, and returns...  
WO/2019/126095A1
In an exemplary method of monitoring performance of a fluid driven actuator for a valve, pressurized fluid is supplied through an actuator supply line to an inlet port of the actuator during a first time period to operate the actuator. C...  
WO/2019/117383A1
A hydraulic machine. A first flow control valve directs fluid from a first fluid supply to a first actuator when the first flow control valve is in a first position. A conflux control valve directs fluid from the first fluid supply to a ...  
WO/2019/117375A1
A first required flow rate is calculated as a function of a first maximum allowable flow rate and a value of a first signal. A second required flow rate is calculated as a function of a value of the second signal. When the first maximum ...  
WO/2019/114557A1
A solenoid valve, comprising a housing (10). The housing (10) is provided with: a coil (20) that generates a magnetic field during turn-on; a static iron core (30) fixedly mounted with respect to the coil (20) and located in the magnetic...  
WO/2018/080958A3
A hinged structure includes a hinge that is actuatable using a hydraulic cylinder. A method of monitoring a load applied to the hinged structure involves leaking the hydraulic fluid from the hydraulic cylinder in a way that compensates f...  
WO/2019/097273A1
This industrial apparatus (2) comprises a pneumatic system (4), a first mechanical device (36) and a second mechanical device (38). The pneumatic system (4) includes: a first pneumatic actuator (6) for commanding the first mechanical dev...  
WO/2019/093538A1
When a first control valve 250 and a second control valve 240 are in non-neutral positions, respectively, a fifth fluid passage 450 and a second fluid passage 420 are closed, thereby generating a first pressure within a fifth portion 451...  
WO/2019/094592A1
Disclosed embodiments include travel motor hydraulic circuits (435) for controlling the provision of hydraulic fluid to a travel motor (330). The travel motor hydraulic circuits include a counterbalance valve (350) configured to block th...  
WO/2019/091852A1
Hydraulic control (1) comprising at least one hydraulic valve, each hydraulic valve comprising a hydraulic distributor (11) and an electric actuator (3). The hydraulic distributor comprises a valve slide (13) mounted with the ability to ...  
WO/2019/086424A1
The invention relates to a valve (V, V1, V2) having a housing (VG) and a piston (VK) which is guided slidably therein, wherein: a first end (VK1) of the piston (VK) can be subjected to a force by means of which the piston (VK) can be sli...  
WO/2019/089487A1
A technique facilitates wellbore operations and utilization of wellbore equipment, e.g. equipment comprising actuation devices for downhole tools. According to an embodiment, the system comprises a pump solution for an electrically contr...  
WO/2019/079051A1
An air management system for a vehicle having a supply tank, a system controller integrated with the supply tank, a first pneumatic circuit pneumatically connected to the system controller, and a second pneumatic circuit pneumatically co...  
WO/2019/072930A1
This valve (1) is intended to be mounted on a base for the purpose of controlling the distribution of a fluid, and comprises a housing (2) and a plurality of orifices (0), these orifices (0) being intended for the inflow or the outflow o...  
WO/2019/072622A1
The invention relates to a hydraulic spool valve comprising a valve housing (9) which comprises a valve bore (10) having two control chambers (25), which directly follow one after the other axially at a distance and extend beyond the dia...  
WO/2019/071871A1
A dual-spring high-precision hysteresis-type pressure control valve comprises an upper valve body (8), a lower valve body (1), a dual-spring pressure regulating valve, a spring energy storage linkage mechanism, and a main valve. The dual...  
WO/2019/027393A3
The present invention relates to a control valve, for hydraulic lifters used on tractors, and having a body (10), at least one main inlet line (11) which transfers fluid into the body (10), and a check valve (23) for controlling the pass...  
WO/2019/067422A1
A relay valve configured according to the various embodiments as described herein advantageously provides consistent, reliable start point pressures for both supply and exhaust functionalities. To achieve this, the relay valves described...  
WO/2019/066111A1
A flow control valve is disclosed. A valve body has an inner circumferential surface defining a longitudinal bore to which at least a portion of first and second fluid passages is connected. A spool is slidably inserted into the bore to ...  
WO/2019/063311A1
The present invention relates to hydrocarbon well fluid manifold module (1) with a manifold module housing (9) having a transversal bore terminating in a longitudinal bore (3) in fluid connection with the transversal bore (6). One or mor...  
WO/2019/060285A1
An adapter converts a fastener driving tool into an automatic (multiple shots per second) pneumatic fastener driving tool. The adapter is mounted to the top of the frame body of a pneumatic fastener driving tool, in which the adapter has...  

Matches 51 - 100 out of 8,699