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WO/2018/072234A1 |
An energy storage structure is provided, comprising a housing (10) and a piston (20). An accommodation cavity (10a) and a piston cylinder portion (10b) communicating with each other are disposed in the housing (10). The piston (20) is sl...
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WO/2018/065130A1 |
The invention relates to an electrohydraulic drive unit comprising: a cylinder-piston assembly (1), having a piston-side first hydraulic working chamber (5) and a piston-rod-side second hydraulic working chamber (6); a tank (4); a hydrau...
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WO/2018/054939A1 |
The invention relates to an accumulator comprising: - a housing; - a piston arranged in the housing and movable in an axial direction, wherein the piston seals on the inner wall of the housing and divides the housing in a first fluid tig...
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WO/2018/055223A1 |
A portable liquid dispenser comprises a container, inside which a deformable bag is arranged, in which the liquid is stored and which is provided with a valve (2) for introducing air between the walls of the container and the deformable ...
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WO/2018/054739A1 |
The invention relates to an axle system, in particular for use in utility vehicles, comprising an axle tube (2), which is designed in the form of a hollow body, wherein a closure element (3) is provided, which closes the axle tube (2) at...
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WO/2018/054474A1 |
The invention relates to a hydraulic tank (10) for storing a hydraulic fluid, comprising a single-part tank housing (12) which forms a hollow plastic body and is produced in a rotational molding method. The tank housing (12) has at least...
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WO/2018/043196A1 |
Provided is a fluid pressure circuit configured so that a load on a fluid pressure pump can be reduced. This fluid pressure circuit 120 comprises: an HST circuit 121 having a variable displacement fluid pressure pump 1 which is driven by...
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WO/2018/041565A1 |
The invention relates to a tank having an annular tank space. A separating wall for separating an inflow connection from a drain connection is provided therein. Alternatively, or in addition thereto, a partition for degassing the oil in ...
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WO/2018/041606A1 |
The invention relates to a tank for a hydraulic system, which tank has a connection line, by means of which the tank can be loaded with oil and by means of which oil can be removed from the tank. A deflection plate is provided in the tan...
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WO/2018/036889A1 |
The invention relates to a hydraulic device for degassing and dewatering a hydraulic oil, comprising a pressure source from which a liquid to be degassed flows via a throttle point. The invention is characterized in that the quantity of ...
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WO/2018/035244A1 |
An accumulator for storing fluid that includes a shell that defines an interior volume of the accumulator. The shell includes at least one port for providing fluid to a fluid system. The accumulator also includes an accumulator shaft dis...
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WO/2018/028944A1 |
The invention relates to an electrohydraulic adjustment drive for controlling a hydraulic load. Said electrohydraulic adjustment drive has an electric machine, which is connected to a hydraulic machine, wherein the electric machine can d...
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WO/2018/028942A1 |
The invention relates to a hydraulic system with a hydraulic spring. Said spring is formed by a cylinder chamber of a hydraulic cylinder to which at least one piston accumulator is connected. At least one adjusting means for adjusting a ...
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WO/2018/014522A1 |
Disclosed is a hydraulic fast forging unit, comprising a forging and pressing hammer head (17), a movable beam (18), a main hydraulic cylinder (16), single-rod lifting hydraulic cylinders (15, 15'), a plurality of main hydraulic pumps (1...
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WO/2018/007474A1 |
The invention relates to a system (1) for recovering energy from a hydraulic actuator (2) and to a method of operating said system (1), the system (1) comprising: a hydraulic actuator (2); a source of hydraulic pressure, preferably a hyd...
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WO/2018/001388A1 |
A high-efficiency bending machine bending method, wherein an oil inlet of an oil pump (2) is connected to an oil tank (16), an oil outlet of the oil pump (2) is connected to a P port of a three-position four-way electromagnetic reversing...
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WO/2018/003580A1 |
Provided is a filter device configured such that: air accumulated within the filter device can be discharged; and the outflow of liquid to the outside from an air vent hole and the back flow of air from the air vent hole can be prevented...
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WO/2017/221980A1 |
A clutch control device according to one embodiment of the present invention is provided with: a pump (20) which sends oil to a hydraulic clutch (C); an input-side oil path (11) which connects an oil tank (OT) and the pump (20), and thro...
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WO/2017/220196A1 |
A hydropneumatic piston accumulator, with an accumulator housing (1) defining a housing longitudinal axis (11), in which a piston (9) is longitudinally movable between two housing covers (5, 7) positioned opposite each other. In the hous...
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WO/2017/220179A1 |
A hydropneumatic piston accumulator, with an accumulator housing (1), which comprises a cylindrical tube (3) defining a longitudinal axis (11), wherein the cylindrical tube (3) is closed at both ends by a housing cover (5, 7) at each end...
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WO/2017/217908A1 |
A phase- shifting device (29), a so-called cam phaser, is arranged between a crankshaft and at least one camshaft (20,23) to change the at least one camshaft's (20, 23) rotational position in relation to the crankshaft (15) and thus push...
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WO/2017/218481A1 |
A power fluid supply system for a well pressure control apparatus includes a control valve manifold in hydraulic communication between a fluid outlet of an hydraulic fluid accumulator and an hydraulic ram in the well pressure control app...
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WO/2017/214031A1 |
A system (10) and method of predicting impending failure of a pressure vessel (12) include a pressure vessel (12), a fluid source (16), a line (14) coupled to the pressure vessel (12) and to the fluid source (16), an apparatus (18), a se...
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WO/2017/205973A1 |
A multi-vessel reservoir assembly is provided. The multi-vessel reservoir assembly comprises a first fluid vessel, a second fluid vessel, and at least one linkage positioned between the first and second fluid vessels. The at least one li...
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WO/2017/210308A1 |
This disclosure includes methods for testing hydraulically-actuated devices and related systems. Some hydraulically-actuated devices have a housing defining an interior volume and a piston disposed within the interior volume and dividing...
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WO/2017/205219A1 |
Some embodiments of a gearbox for an irrigation system can comprise a housing, a worm gear within the housing, a bull gear within the housing and configured to be engaged with the worm gear, a diaphragm, and a vent. The diaphragm can def...
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WO/2017/202485A1 |
The invention relates to a valve device with a pressure reducing function, consisting of at least one logic valve (V1), a blocking vale (V2) and a pressure reducing valve (V3).
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WO/2017/204697A1 |
Air-drying device (1) for drying air, gas, gases or similar in reservoirs in hydraulic systems in which a variable volume of liquid and air, gas or the like is stored. The treatment of air, gas or gases takes place in at least one first ...
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WO/2017/199396A1 |
A hydraulic shovel (100) is provided with: a hydraulic oil tank (10) having a breather valve (14); and a breather hose (15) mounted to the breather valve (14). The breather hose (15) has: a first flow passage (31) connecting to the breat...
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WO/2017/196503A1 |
A resilient expandable pressure vessel configured to function like a spring. The resilient expandable pressure vessel includes a body portion, a cavity defined within the body portion, and at least one port in communication with the cavi...
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WO/2017/195462A1 |
In order to achieve, without causing increase in man-hours needed for processing or man-hours needed for assembly, a structure in which a suction strainer does not fall out of a hydraulic pump or a return pipe does not fall out of a mani...
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WO/2017/190182A1 |
A tensioning arrangement for a scraper for a conveyor belt, the tensioning arrangement comprising a hydraulic assembly that acts on the scraper to maintain a portion of the scraper in operative contact with the conveyor belt, the hydraul...
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WO/2017/189551A1 |
An attachment for a tractor is disclosed, the attachment includes a rotary reducing component that includes a plurality of cutters and a hydraulic system having an activated state and a deactivated state. The hydraulic system includes an...
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WO/2017/185885A1 |
An energy-saving temperature difference energy-driven ocean profile dynamic system includes: a phase change chamber (1); a phase change hydraulic oil sac (3) disposed in the phase change chamber (1); an accumulator (16) connected with th...
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WO/2017/184657A1 |
A reservoir contaminant regulation system is described. The system includes a reservoir, a tank, a set of tubing, a pressure regulator, and a vent. The reservoir is configured to hold various volumes of a working fluid. The pressurized t...
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WO/2017/174082A1 |
The invention relates to a cylinder-piston arrangement for a device for storing energy, comprising a substantially vertical cylinder (2) and a piston (1) constituting a mass to be lifted, a receiving region (5) for a liquid being formed ...
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WO/2017/174081A1 |
The invention relates to a device for storing energy, comprising a substantially vertical cylinder-piston arrangement where the piston (1) constitutes a mass to be lifted, liquid can be conveyed into the cylinder (2) beneath the piston (...
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WO/2017/174047A1 |
The invention relates to a system that represents a method of power storage by means of a pressurized air/water system. The system is based on the initial state that power from a power source is used to drive a feed pump (7). The feed pu...
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WO/2017/173144A1 |
An improved expansion tank is provided for at least temporarily storing a pumped liquid under pressure, the expansion tank comprising a thin walled outer shell formed of two substantially hemispherical domes joined together, either direc...
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WO/2017/173463A1 |
A system for monitoring the depth of water in a sump pit that comprises a hub in remote communication with a sensor. The sensor comprises a transducer for detecting the relative proximity of the water's surface. The system monitors the m...
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WO/2017/173122A1 |
An expansion tank with an improved diaphragm seal includes a seal for the joint between the flexible diaphragm and either an optional. non-flexible diaphragm or the tank wall, the providing of a seal support that prevents collapse, delam...
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WO/2017/157501A1 |
The invention relates to an accumulator device (10), consisting of at least two accumulator elements (14, 16) which are combined to form a structural unit (12) and have independently from one another their own accumulator characteristic ...
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WO/2017/144875A1 |
The invention relates to a hydraulic fluid power transmission comprising: actuator apparatus having a plurality of chambers, each of the chambers having a respective fluid driving surface configured to drive or be driven by hydraulic flu...
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WO/2017/141719A1 |
Provided is an accumulator having excellent sealability between a shell and bladders. Disclosed is an accumulator 1 in which the interior space of a shell 2 is partitioned into a gas chamber G and a liquid chamber R by making respective ...
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WO/2017/141718A1 |
Provided is an accumulator having excellent sealability at the joint between bladders. Disclosed is an accumulator 10 in which the interior space of a shell 20 is partitioned into a gas chamber G and a liquid chamber R by arranging bladd...
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WO/2017/129741A1 |
A hydraulic accumulator monitoring system comprising: a hydraulic input 2; a hydraulic output 3; at least one hydraulic accumulator 4 connected between the hydraulic input and the hydraulic output; a flowmeter 10 connected between the hy...
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WO/2017/125108A1 |
The invention relates to a hydraulic switching assembly for a motor vehicle, comprising a hydraulic pump (1) which guides a hydraulic agent from a reservoir (2) via hydraulic lines (3) and at least one magnetic valve assembly (4) compris...
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WO/2017/126354A1 |
The amplitude of an abdomen section of a metal bellows due to vibrations is suppressed to prevent breakage of the metal bellows. A metal bellows-type accumulator 1 comprising a metal bellows 2 that divides the space in a housing 5 into a...
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WO/2017/127678A1 |
A control valve comprises a body. A diverter is disposed within the body. The diverter is movably positionable within the body such that the diverter can assume a first position, second position and third position. The body includes one ...
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WO/2017/122481A1 |
Provided is an accumulator configured so that the accumulator has a damping function for protecting a seal section from a stay and so that a bellows cap can be quickly moved away from the stay when pressure within pressure piping increas...
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