| Document |
Document Title |
|
WO/2020/119668A1 |
An impact control hydraulic system for a rock drilling trolley, comprising a hydraulic pump (2), a rock drilling machine (22), and a multi-way directional valve (3), wherein two working oil ports of the multi-way directional valve (3) co...
|
|
WO/2020/123040A1 |
An example valve includes: a piston movable between a neutral position and an actuated position, wherein in the neutral position: a second port of the valve is fluidly coupled to a first port, and a third port is fluidly decoupled from t...
|
|
WO/2020/119691A1 |
Disclosed is an advancing hydraulic control system for a drilling jumbo, the system comprising a hydraulic pump (2), an advancing oil cylinder (16), and a multi-way reversing value (3) used for controlling the reversing of the advancing ...
|
|
WO/2020/123041A1 |
An example valve includes: a piston movable between a neutral position and an actuated position, wherein in the neutral position: a second port of the valve is fluidly coupled to a first port, and a third port is fluidly decoupled from t...
|
|
WO/2020/113952A1 |
A pumping mechanical hydraulic system, comprising an oil tank (33), a pressure oil source (3), a pumping hydraulic execution component (4), and at least two reversing valve sets (2). The pressure oil source (3) is used for outputting hyd...
|
|
WO/2020/114909A1 |
The invention relates to a tool for adjusting high-pressure hydraulic circuits on hydraulic heavy equipment, such as wheel loaders, dump trucks, excavators and shovels, wherein the tool (10) can be remote-controlled.
|
|
WO/2020/118302A1 |
A system for a log splitter that is configured to automatically remove power to a pump and motor assembly for a hydraulic actuator when a valve assembly is in a position other than a first position causing the splitting assembly to advan...
|
|
WO/2020/117999A1 |
A fluid pump for a linear actuator causes a rod in the actuator to extend or retract by controlling fluid flow to and from portions of a fluid chamber on either side of a piston disposed within the fluid chamber and supporting the rod. T...
|
|
WO/2020/116301A1 |
A flow controller (12) that changes the flow rate of air exhausted from an air cylinder (100) in mid-stroke includes a first switching valve (20) displaced from a first position to a second position under the effect of pilot air, and cau...
|
|
WO/2020/109374A1 |
The invention relates to a switching unit for connecting a first pneumatic unit and a second pneumatic unit of a pneumatic system together, the switching unit comprising a main body having: a duct structure which extends through the main...
|
|
WO/2020/093869A1 |
A water base proportional valve for a hydraulic support electrohydraulic control system. The water base proportional valve comprises a water base proportional valve structure and a testing control portion; the water base proportional val...
|
|
WO/2020/082271A1 |
A location tracking type pilot-operated proportional hydraulic valve, wherein the main structure only consists of a drive motor (1), a pilot valve (4), and a main valve (8). The pilot valve (4) is provided with a cylindrical pilot valve ...
|
|
WO/2020/086325A1 |
A stiffness control and systems for the same are disclosed herein. A first plate and a second plate can be connected with rigid support, a hydraulic actuator and a high roughness surface. Upon actuation, the actuator can force the high r...
|
|
WO/2020/076391A1 |
An example valve includes: (i) a valve body comprising a supply port and an operating port; (ii) a sleeve comprising a first opening fluidly coupled to the supply port, a second opening fluidly coupled to the operating port, and a seat; ...
|
|
WO/2020/061343A1 |
A hydraulic control valve can be one type of a variable characteristic (e.g., coil voltage). A visual identification system is provided to permit the visual identification of the specific type of the variable characteristic that the cont...
|
|
WO/2020/057072A1 |
Disclosed is a threaded insertion type rotary direct-drive electro-hydraulic servo valve with a harmonic speed reducer. A direct-current brushless servo motor (1) and a harmonic speed reducer (3) are used as an electromechanical conversi...
|
|
WO/2020/060698A1 |
An example valve includes: (i) a pilot seat member comprising: (a) one or more channels fluidly coupled to a first port of the valve, (b) a pilot seat, and (c) a pilot sleeve portion comprising a pilot chamber and a cross-hole disposed i...
|
|
WO/2020/056395A1 |
A fluid system includes a fluid control assembly in fluid communication with a fluid source in fluid communication with a fluid supply port and the fluid control assembly is in fluid communication with an actuator via an outlet port. A c...
|
|
WO/2020/053577A1 |
A prime mover and a plurality of hydraulic actuators, a hydraulic machine having a rotatable shaft in driven engagement with the prime mover and comprising a plurality of working chambers, a hydraulic circuit extending between a group of...
|
|
WO/2020/048696A1 |
The invention relates to a control module (1) for an air treatment system of a utility vehicle, wherein the control module (1) comprises the following: a first and second pneumatic magnetic valve (4, 14) having a first or second coil (5,...
|
|
WO/2020/044175A1 |
A diagnostic method to diagnose a malfunction of a solenoid valve comprises: a) detecting the first current peak (IPEAK) of the solenoid current generated by the engagement of the movable core; b) verifying if the waveform of the solenoi...
|
|
WO/2020/032881A2 |
Invention valve; Directional control valve with three conical populations. Three conicalpopicles (Pt) connected to each other within the valve body (Pt) open two flow paths with the righ taxi almovement of the left (M) (Pt) and close the...
|
|
WO/2020/010635A1 |
Disclosed are a hydraulic control system and method for a large-angle slewing mechanism. The large-angle slewing mechanism comprises multiple hydraulic cylinders, with output ends of the multiple hydraulic cylinders being pivotally conne...
|
|
WO/2020/013358A1 |
In a hydraulic machine, first travel control valve 6 and a first attachment control valve 7 are in fluid communication with a second hydraulic source 33. A confluence control valve 3 is in fluid communication with a first hydraulic sourc...
|
|
WO/2019/242116A1 |
A rotation control valve group, a rotation control system and a crane. The rotation control valve group (3) has an oil inlet opening (P), an oil discharge opening (T), a first working oil opening (A) and a second working oil opening (B),...
|
|
WO/2019/238519A1 |
The invention relates to a safety valve (1) with an electronic control unit (2) for generating a control voltage, an electro-fluidic preliminary stage (3) that has a piezo bending actuator (4) which can be actuated between a working posi...
|
|
WO/2019/238534A1 |
A control device for controlling a hydraulic consumer (2), such as a working cylinder, consisting of at least one control valve (18) having a control slide (20), which is guided in a longitudinal displaceable manner in a valve housing (2...
|
|
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/2019/197813A1 |
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...
|
