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WO/2016/092808A1 |
A hydraulic drive system for construction machinery, comprising: a pump that supplies hydraulic oil to a boom cylinder and a rotating hydraulic motor; a regenerative hydraulic motor coupled to the pump and having guided thereto hydraulic...
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WO/2016/088573A1 |
A control system (100) for a hybrid construction machine is provided with: fluid pressure pumps (26, 27) for supplying working fluid to a fluid pressure actuator (31); a regenerating unit (45) comprising a regenerating motor (46) that ro...
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WO/2016/087711A1 |
The invention relates to a plunger pressure accumulator (1), comprising: a shell (2); a plunger (3; 30) which is adapted to move relative to the shell (2) into an interior space of the shell (2). The space is divided into at least two su...
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WO/2016/083249A1 |
The invention relates to a cooling device for a hydraulic assembly which has a container for hydraulic oil. There is a heat pipe for cooling the container. Hydraulic oil in the container flows approximately in a straight line from an inl...
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WO/2016/082356A1 |
Disclosed is an automatic supplying pressure compensation system, comprising a switch control device (1), an oil supply device (2), a pressure compensation device (3) capable of real-time detection of the variation of inner cavity pressu...
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WO/2016/083340A1 |
Provided are a fluid pressure circuit and a work machine with simple structures being capable of securing a necessary pump flow rate even when working fluid is accumulated in an accumulator. A fluid pressure circuit includes: two boom cy...
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WO/2016/082321A1 |
Disclosed are a method and a system for recovering and utilizing duty energy of a crane, and a crane. The method for recovering and utilizing duty energy of a crane comprises: a first hydraulic power device (2) converts the hydraulic pre...
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WO/2016/084421A1 |
A hybrid construction machinery control system (100, 200) comprises a hydraulic pump (26, 27), a regenerative motor (46), a rotating electrical device (48) that is connected to the regenerative motor (46), a storage battery (24) that acc...
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WO/2016/071279A1 |
The invention relates to a method for generating a pulsed fluid flow, wherein a fluid is conducted through a flow chamber and the free flow cross-section is alternately increased and reduced by means of a device arranged in the flow cham...
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WO/2016/067415A1 |
In order to easily manage filtration characteristics and ensure sufficient strength, an oil filter filters oil by being interposed in an oil passage and causing oil that flows through the oil passage to pass through filtration holes 11a ...
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WO/2016/063499A1 |
[Problem] To provide an intermittent air generation device excelling in applicability using a simple structure, without the need for a pilot pressure-type on-off valve using a complicated structure. [Solution] A passage switching valve (...
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WO/2016/064961A1 |
A hydraulic control system is disclosed for an excavation machine including a tool linkage system. The system may have a first actuator configured to move a first link of the tool linkage system in response to input from an operator of t...
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WO/2016/056244A1 |
This hydraulic drive system for construction machinery is provided with: a bidirectional pump connected to a revolving motor through a pair of supply/discharge lines; a regulator for changing the tilt angle of the bidirectional pump; and...
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WO/2016/056442A1 |
A shovel in an embodiment of the present invention is provided with a first pump 14L; a second pump 14R; a turning hydraulic motor 21; a pump/motor 14A that receives hydraulic oil from the turning hydraulic motor 21 during turn decelerat...
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WO/2016/052209A1 |
[Problem] To provide a work vehicle hydraulic drive system that ensures good operability when hydraulic fluid that has been discharged from a hydraulic actuator is regenerated to drive another actuator. [Solution] This work vehicle hydra...
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WO/2016/051579A1 |
When regenerating hydraulic fluid that has been discharged from a hydraulic actuator to drive another hydraulic actuator, in order to increase regeneration frequency and enable further energy saving, a boost circuit 36, wherein a boost c...
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WO/2016/052541A1 |
Provided is a hydraulic drive system of an industrial machine configured with a single electromagnetic proportional valve for a reproducing circuit, in which the same actuator speed can be ensured irrespective of whether or not pressure ...
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WO/2016/051172A1 |
Industrial system with synthetically commutated variable displacement fluid working machine An injection moulding system, water jet cutting machine or other industrial system has a synthetically controlled variable displacement fluid wor...
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WO/2016/053151A1 |
The present invention relates to a hydraulic fluid tank arrangement (200) for a working machine (101), the arrangement (200) comprising a hydraulic fluid tank (202); an inlet portion (206) for receiving hydraulic fluid into the hydraulic...
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WO/2016/051525A1 |
In the present invention, in order to prevent with certainty the mixing of air into oil delivered from a delivery pipe, provided is a strainer device 10 that comprises: a cylindrical strainer element 11 that has an internal space 11c in ...
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WO/2016/041230A1 |
A variable-speed volume-control direct-drive all-electric hydraulic excavator drive and energy recovery system. For the drive control circuit thereof, an open-type controlled variable-speed pump-control volume direct-drive circuit with i...
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WO/2016/043206A1 |
A shovel according to an embodiment of the present invention has a main pump 14L for supplying working oil to hydraulic actuators 1A, 2A, 8, control valves 171L to 175L for controlling the flow of working oil between the main pump 14L an...
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WO/2016/041685A1 |
The invention relates to a hydrostatic drive, which is used in particular to start an internal combustion engine. The drive comprises a hydraulic machine, which can be adjusted in the swept volume thereof from a maximum positive swept vo...
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WO/2016/037795A1 |
The invention relates to a valve actuating system (1) which has a drive device (3) that has an axial extension and an actuating drive (12) with an output side (13) provided for coupling to a valve (2) and an axial rear face (14) opposite...
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WO/2016/040484A1 |
A hydraulic system (14) is disclosed for assisting starting of a machine (10) having an engine (59). The hydraulic system may include a work tool (16), a pump (58) driven by the engine to pressurize fluid, and an actuator (49) configured...
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WO/2016/038162A1 |
A three-position booster valve mechanism comprises an operating member (25) for moving a supply and exhaust valve (8, 10). A piston-cylinder control system (20) is provided for moving the operating member between a first position in whic...
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WO/2016/034639A1 |
The invention relates to a variable-pitch propeller having a hub (18), at least one propeller blade (20) and a hydraulic adjusting device (22) for adjusting the pitch of the at least one propeller blade (20) by means of a hydraulic fluid...
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WO/2016/028182A1 |
The invention relates to mechanical engineering. A magnetorheological drive for directly electromagnetically controlling flow characteristics of an upper contour of a hydraulic slide-valve system is intended for automatically controll...
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WO/2016/026577A1 |
The invention relates to a compressed air supply system (10) for operating a pneumatic system, having a compressed air feed means (1), a compressed air connector (2) to a pneumatic system (90), and a venting connector (3) or a further ve...
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WO/2016/028181A1 |
The invention relates to mechanical engineering. A magnetorheological drive for directly electromagnetically controlling flow characteristics of an upper contour of a hydraulic system which includes a hydraulic bridge is intended for aut...
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WO/2016/023712A1 |
The invention firstly discloses an electrohydraulic system for use at great water depths. The system comprises a vessel, which vessel has an interior space, which interior space is provided for forming a volume which is closed off with r...
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WO/2016/023902A1 |
The invention relates to a pressure supply device for a vehicle system, comprising an air treatment system (1) with an air dryer and air filter unit (2) for drying and purifying the compressed air supplied by the compressor (3). A first ...
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WO/2016/020181A1 |
What is disclosed is a hydrostatic drive having a diesel engine and having a hydrostatic adjustable machine (10) which in normal operation as a pump can supply multiple consumers. The machine has a pressure/flow regulator (34) to which i...
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WO/2016/017802A1 |
A hydraulic drive device equipped with: an accumulator for receiving a hydraulic fluid discharged from a hydraulic actuator during a down drive; an accumulator-flow adjuster capable of changing the flow of hydraulic fluid to be introduce...
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WO/2016/015991A1 |
In a method for dosing and mixing at least one fluidic medium into a process stream used, in particular, for producing a fibrous material- or nonwoven web, at least one fluidic medium is injected into the process stream by means of a flu...
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WO/2016/017209A1 |
A working machine is configured so that pilot oil supplied to a variable displacement pump is directly controlled to improve heat balance. A working machine (1) is provided with: an engine (15); a pilot pump (P3) for discharging pilot oi...
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WO/2016/012381A1 |
Hydraulic pump unit (1) comprising a pump (2), a reservoir (3), multiple line connectors (99) and at least one valve seat (40) and a main body (5) including a channel system (50) having duct ends (502) which define multiple ports (52) in...
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WO/2016/013435A1 |
A chain tensioner wherein air remaining in a pressure chamber is exhausted to the outside from a helical screw gap (22) formed at a threaded engagement section between a screw hole (18) and a screw (20), and from a separated section (24)...
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WO/2016/009469A1 |
This actuator is provided with: a liquid crystal gel; a pair of conductive films disposed at the liquid crystal gel; and an AC power source that imposes an AC voltage on the pair of conductive films. The actuator is driven by an in-plane...
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WO/2016/001366A1 |
The invention relates to a method for identifying at least one fault in a regeneration path (19) of a pneumatic system (1) in a motor vehicle. Said method, in which air is conducted from a regeneration air reservoir (6) through a desicca...
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WO/2015/200295A1 |
A hydraulic valve includes a valve body having first and second ends, a bore extending therebetween, and first and second drain passages opening to the bore; a spool disposed in the bore and biased in a neutral position, the spool having...
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WO/2015/200231A1 |
A system for verifiably locking a first cylindrical component to a second cylindrical component in a safe and secure manner. The system provides a visible indication when the first component and second component are fully and effectively...
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WO/2015/197170A1 |
The invention relates to a compressed-air supply system (10) for operating a pneumatic system (90), said pneumatic system in particular comprising a reservoir (92) or similar compressed-air storage container and a number of bellows (93) ...
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WO/2015/198644A1 |
Provided is a work machine capable of efficiently regenerating energy that a working oil has at the time of deceleration turning. In the present invention, a deceleration turning detection unit (57a) detects a state of deceleration of an...
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WO/2015/197168A1 |
The invention relates to a compressed air supply system (10) for operating a pneumatic system (90), in particular an air spring system (1090) of a vehicle (1000), having: an air feed means having an air compressor (21) for supplying a co...
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WO/2015/197169A1 |
The invention relates to a compressed-air supply installation (10, 10', 10") for operating a pneumatic installation (90, 90', 90"), in particular an air spring installation of a vehicle, comprising: an air feed, comprising an air compres...
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WO/2015/193532A1 |
This invention relates to a wave energy recovery apparatus with an energy transfer arrangement comprising at least a base (1), a reciprocating panel (2), a pivot shaft (3a) for the reciprocating panel (2), a control system, and a driving...
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WO/2015/195246A1 |
An electro-hydraulic actuation system includes a regeneration valve in fluid communication with a first fluid chamber and a second fluid chamber of a hydraulic actuator, and a dump valve is in fluid communication with the second fluid ch...
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WO/2015/188920A1 |
The invention relates to a connecting apparatus, provided for fluid-conducting connection to at least one main component (10), which component has a plurality of mutually adjacent fluid passage points (Ρ'1, Ρ'2, P'3, P'n.....P'x), said...
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WO/2015/190135A1 |
Provided is an operation machine with which it is possible to regenerate and use surplus energy. The operation machine according to the present invention has a branching flow channel (150) through which working oil flows between a hydrau...
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