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WO/2014/116965A1 |
A de-aeration hydraulic circuit having application in a hydromechanical transmissions utilizes a hydraulic fluid reservoir to de-aerate hydraulic fluid. The circuit includes a high pressure side and a low pressure side having a bleed dow...
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WO/2014/112566A1 |
Provided is a device that is for recovering pressurized oil energy from a work machine and that can recover energy efficiently and secure operability comparable to standard construction machines without an increase in size in the device ...
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WO/2014/109674A1 |
The present group of inventions relates to hydrodynamic systems. A liquid from a pressure line (5) is separated into a primary flow and a secondary flow. The flow rate of the primary flow is maintained at a level greater than or equal to...
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WO/2014/106230A1 |
A double-solenoid directional control valve comprising a valve body and a valve spool within the valve body, where the valve spool is configured to move within the valve body between a first position, a second position and a third positi...
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WO/2014/094179A1 |
The embodiments described herein generally relate to a fluid pressure pulse generating apparatus with a primary seal assembly, back up seal assembly and pressure compensation device. The pressure compensation device comprises a membrane ...
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WO/2014/094759A1 |
The invention relates to a ventilation device for a hydraulic system that comprises at least one slave cylinder having a pressure medium inlet, a master cylinder having a pressure medium outlet, and a pressure medium line which is provid...
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WO/2014/099926A1 |
A control system for a hydraulic system including an accumulator (534) and a hydraulic transformer (500,502) coordinates flow sharing within the hydraulic system. The hydraulic transformer includes first (500) and second 8502) variable d...
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WO/2014/100420A1 |
A liquid and air separator includes a housing having a sloped floor and a domed roof, an adaptor, a spacer, a deflector having a plurality of perforations thereon, and a plurality of breathers, each of the plurality of breathers having a...
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WO/2014/091685A1 |
Provided is a hydraulic circuit that makes it possible to switch the circuit state between a state in which a regenerative action operates and a state in which the regenerative action stops. The hydraulic circuit comprises: hydraulic pum...
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WO/2014/092222A1 |
Disclosed is a hydraulic circuit for a construction machine, which is capable of increasing the temperature of the hydraulic fluid to the level appropriate for operating equipment even without boarding the seat of the driver before start...
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WO/2014/090869A1 |
The invention relates to a method for filling the air springs of a vehicle and an associated pressure accumulator. In the method, a pressure accumulator is used which is provided with a valve integrated into the air connection of the pre...
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WO/2014/086554A2 |
The invention relates to a method for displaying the position of a hydraulically actuated fitting, with a piston (121) in an actuating cylinder (1.2) for actuating the fitting (1.1), the piston being connected via two hydraulic lines (2,...
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WO/2014/085556A1 |
A wireless position transducer for a valve in a process control system converts a motion or a position of an actuator of the valve into a wireless signal including a value indicative of the position of the actuator. The transducer causes...
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WO/2014/083493A1 |
Described herein is a valve assembly (1; 1') in particular designed for use in a pneumatic network (N) and comprising a first valve (2), a second valve (4), and a third valve (6). The second valve (4) and the third valve (6) are configur...
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WO/2014/081353A1 |
The present invention relates to a pressurized medium assembly (10) comprising a first working chamber (14) and a second working chamber (16). The first and second working chambers (14, 16) are adapted to together produce a load. The pre...
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WO/2014/077675A1 |
The invention relates to an actuator (1), comprising a gas tight chamber (8) provided with expansion means (2) and having highly reflecting inner walls. The chamber (8) is filled with a gas and with carbon fibres (6). Light generating me...
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WO/2014/074032A1 |
The invention relates to a heavy road vehicle provided with a hybrid propulsion system (1) comprising a mechanical propulsion system (12) and a hydraulic propulsion system (13). The mechanical propulsion system (12) is connected to at le...
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WO/2014/072079A1 |
A thermo-rheological valve for a pressurized medium (7) with temperature- dependent viscosity is proposed, comprising a conduit portion for passage of the medium, and a heating device (3, 4) with at least one heating element, which heati...
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WO/2014/073497A1 |
The control system is provided with: a pressure detector for detecting the swing pressure or braking pressure of a swing motor; a swing regeneration switching valve that opens when the pressure detected by the pressure detector reaches a...
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WO/2014/071944A2 |
The invention relates to a method for operating a hydrostatic actuator arrangement, in particular for actuating a clutch of a motor vehicle, said hydrostatic actuator arrangement having a slave cylinder, a master cylinder, a hydraulic li...
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WO/2014/073248A1 |
A hydraulic shovel according to an embodiment of the present invention is provided with: a hydraulic rotation motor (21); relief valves (400L, 400R) which are provided to the hydraulic rotation motor (21); and an accumulator section (42)...
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WO/2014/073338A1 |
During aerial boom lowering of a boom (131) by a front work machine (130) in which rotation by the tare weight is possible, potential energy is regenerated by working a hydraulic pump/motor (7) as a motor, operating a generator/electric ...
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WO/2014/068973A1 |
This hydraulic pressure control device (1) is provided with a directional valve (26), an operated valve (36), a first back pressure output mechanism (42), and a second shuttle valve (41). Upon operation of an operating lever (37), the op...
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WO/2014/069065A1 |
A hydraulic shovel according to an embodiment of the present invention comprises: a main pump (14); a hydraulic actuator which includes a rotating hydraulic motor (21); a control valve (17) which controls a flow of hydraulic oil between ...
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WO/2014/069024A1 |
[Problem] To provide a circulation system for separating and removing bubbles from a liquid, whereby it is possible to remove the bubbles that form within the liquid effectively and efficiently. [Solution] A system provided with: a main ...
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WO/2014/069066A1 |
A hydraulic shovel according to an embodiment of the present invention comprises: a main pump (14); a hydraulic actuator including a rotating hydraulic motor (21); a control valve (17) which controls a flow of hydraulic oil between the m...
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WO/2014/069759A1 |
The present invention includes the steps of: performing maximum flow control on a pump by controlling a proportional control valve which controls the maximum flow of a hydraulic pump after confirming the presence or absence of an abnorma...
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WO/2014/063490A1 |
Disclosed are a hydraulic system for controlling a boom to rotate and a control method therefor and concrete pumping equipment using the hydraulic system, wherein the hydraulic system comprises a hydraulic motor (1), a primary valve (2),...
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WO/2014/063826A1 |
The invention relates to a hydraulic system with at least one hydrostatic displacement unit (2, 4), a filter unit (6) for filtering the hydraulic oil flowing through the respective displacement unit (2, 4), and a discharge device (10) th...
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WO/2014/061834A1 |
Disclosed is an automatic pressure control device for a construction machine for constantly maintaining an initially set pressure of a main relief valve which sets a maximum pressure of a hydraulic system. According to the present invent...
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WO/2014/059410A1 |
A combined accumulator and receiver tank of a refrigeration system is described. The tank may have an accumulator portion positioned above a receiver portion. An accumulator/receiver pipe (AR pipe) connects the accumulator portion to the...
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WO/2014/057163A1 |
The present invention provides a purification system (102) for the purification of flowing fluid. The present invention enables detection and removing of particles from flowing fluid in a real-time fashion. The purification system accord...
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WO/2014/054983A1 |
A lift arrangement (2) for a working machine (1), comprising: a tool linkage comprising an arm (5) in one end pivotably connectable to a working machine and in an opposite end pivotably connectable to a tool (3); a first hydraulic actuat...
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WO/2014/054326A1 |
A hydraulic circuit for a construction machine controls the operation of hydraulic actuators. The hydraulic circuit is provided with: a detection means which detects the first drive pressure of pressurized oil supplied to one hydraulic a...
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WO/2014/048840A1 |
The present invention concerns a system comprising a hydraulic circuit (C) comprising a hydraulic device (3) with retractable pistons, said system comprising an activation circuit for activating said hydraulic device (3) characterised in...
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WO/2014/052560A1 |
A plunger-style actuator assembly for use in a detent mechanism includes a guide post and an external plunger sleeve supported for sliding movement over the guide post. The external plunger sleeve rides along bearing surfaces that longit...
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WO/2014/040347A1 |
Disclosed is an ultrasonic cleaning filter, wherein a filter cylinder (5) is provided on a valve block (3), a filter screen (6) is provided in the filter cylinder (5), the valve block (3) is provided with an inlet and an outlet, and an e...
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WO/2014/032757A1 |
The invention relates to a hydraulic energy recovery system (101) having an output drive unit (103) which can be actuated by a drive unit (102) and by which a hydraulic motor-pump unit (104) can be driven which, in at least one energy fe...
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WO/2014/033496A1 |
In this invention, check valves (11), opportunely modified with position transducers(12), are used to sense the flow rate supplied to each consumer. An electronic control device (16) sets the inlet pressure and the opening of the spool i...
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WO/2014/032086A1 |
A fluid isolator (10) comprising a primary outlet port (30) adapted to be coupled to a hydraulic device; a first line (26) in fluid communication with the primary outlet port (30) and the bleed valve (14); a first one way valve ( 40) inh...
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WO/2014/036235A1 |
A hydraulic control system (50) is disclosed for use in a machine (10). The hydraulic control system may have a work tool (16), a motor (49) configured to swing the work tool, a tank (60), a pump (58) configured to draw fluid from the ta...
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WO/2014/034969A1 |
Disclosed is a hydraulic system wherein a driver first selects or disengages a function when performing, by way of example, an excavation operation or suspend operation using an excavator. The hydraulic system according to the present in...
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WO/2014/036232A1 |
A hydraulic control system (150) for a machine (10) is disclosed. The hydraulic control system may have a tank (64), a pump (53) configured to draw fluid from the tank and pressurize the fluid, an actuator (49), and a control valve (63) ...
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WO/2014/036229A1 |
A hydraulic control system (50) is disclosed for use with a machine (10). The hydraulic control system may have a tank (60), a pump (58), a swing motor (49), and at least one control valve (56) configured to control fluid flow between th...
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WO/2014/029635A1 |
The invention relates to a hydraulically driven arrangement for linearly moving a mass body (10), the arrangement consisting of a working cylinder (11) driving the mass body (10) and connected to a hydraulic control unit for that purpose...
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WO/2014/027583A1 |
A control system for a hybrid construction machine is provided with: an operation valve for boom operation; a variable capacity fluid pressure motor; a distribution mechanism for adjusting the flow rate ratio distributed to the fluid pre...
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WO/2014/026681A1 |
Fluid filter for use in a hydraulic system for actuating a release device in the drive train of a motor vehicle comprising a master cylinder, a slave cylinder and a hydraulic line connecting these, in which the fluid filter is arranged, ...
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WO/2014/025089A1 |
Disclosed is an actuator having a three-dimensional truss structure assembled by intersecting continuous wire groups in three or more directions, the wire groups each having spatially predetermined azimuth. The present invention provides...
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WO/2014/024874A1 |
This control system for a hybrid construction machine is equipped with: a swing motor that is provided on a turning circuit; a pressure detector for detecting a turning pressure of the swing motor; a variable-capacity type fluid pressure...
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WO/2014/025122A1 |
The present invention relates to an oil tank for a hydraulic system. The present invention includes: an oil return line coupled to the hydraulic system; an oil tank body connected to the oil return line for collecting oil discharged from...
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