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WO/2017/114595A1 |
The invention relates to a method for producing pressure vessels, including pressure accumulators, such as hydraulic accumulators and parts thereof (24), characterized in that they are at least partially produced by means of a 3D printin...
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WO/2017/108403A1 |
The invention relates to an accumulator module for a hydromechanical spring-loaded drive, wherein the spring-loaded drive is provided to actuate a high-voltage power switch (12), and wherein the accumulator module contains a pressure-tig...
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WO/2017/096908A1 |
An oil tank assembly (100) and a vehicle provided with the same. The oil tank assembly (100) comprises a tank body (110), an air channel disk (120), and an oil stop disk (130). The tank body (110) is provided with a cavity (101), and the...
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WO/2017/089815A1 |
A hydraulic accumulator (1, 11) comprising a pressure vessel (2) having first and second chambers (6, 7) sealingly separated by a movable barrier (8); the first chamber (6) containing a first fluid; the second chamber (7) containing a se...
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WO/2017/087684A1 |
Some of the present systems include a hydraulic power storage system having an accumulator configured to supply pressurized hydraulic fluid to a hydraulically actuated device to actuate the hydraulically actuated device and a drain in fl...
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WO/2017/082796A1 |
The invention concerns an air separation arrangement at a reservoir (1) for a hydraulic system, comprising a return line connection (2), an air separation element (10) demonstrating a permeable wall through which hydraulic fluid that arr...
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WO/2017/080627A1 |
A safety device, comprising a connection point (21) for a pressure accumulator (1) that is connected to a bursting unit (55) at the gas end via the connection point (21), is characterized in that the bursting unit (55) can be triggered b...
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WO/2017/078760A1 |
A vehicle incorporates a gravity-assist energy harvesting suspension system including one or more gravitational positive displacement pumps. The positive displacement pump has a cylinder and a reciprocating piston inside the cylinder. Th...
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WO/2017/077060A1 |
The invention relates to a hydraulic device for a rail vehicle comprising a tank region (110) for a hydraulic fluid, a motor (122) having a pump (124) for pumping the hydraulic fluid, a hydraulic connection panel (130) for providing hydr...
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WO/2017/078964A1 |
A vehicle having a device that uses an input provided from a first hydraulic system to charge one or more other hydraulic systems. The first hydraulic system can be a vehicle brake system or a hydraulic system having an electrically oper...
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WO/2017/073734A1 |
In the present invention, in order to easily confirm the presence of foreign matter in oil regardless of an installation position, the following are provided: a machine body 10 that includes an accommodation chamber 11 in which oil is st...
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WO/2017/073259A1 |
In order to prevent discharge of bubbles near the bottom surface of a tank, an approximately cylindrical first discharge tube (31) having an opening at both ends is inserted into an outflow hole (10c) of a filter case (19) and is dispose...
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WO/2017/069049A1 |
Provided is an accumulator capable of minimizing collisions of a metal bellows with a pressure container. This accumulator is characterized in that: a partitioning unit 300 is provided with a tubular metal bellows 310 fixed at one end si...
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WO/2017/070539A1 |
Systems, methods and devices are described providing a selective hydraulic or electrically powered prime mover that is a (bi-directional power unit) PU system, including movement within a device or system used to compress and/or expand a...
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WO/2017/059542A1 |
A switched inertance pressure converter may include a first fluid inlet connectable to a first fluid source and a switching valve provided downstream from the first fluid. An inertance conduit may extend between an inlet end having an in...
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WO/2017/062040A1 |
The present invention relates to a subsea accumulator device (1) for supplying pressurized fluid to a subsea device (A). The accumulator device (1) comprises a housing device (10) comprising a piston compartment (20) and a pressurized co...
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WO/2017/055137A1 |
Disclosed is an electrohydraulic compact aggregate, its pressure medium, which flows back into a tank, and its electric motor, which drives a pump, being cooled via a common cooling device. According to a first variant, a cooling medium ...
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WO/2017/051753A1 |
Provided is a highly durable metal bellows with which damage at both ends of the metal bellows can be prevented. This metal bellows has an annular shape, and has structures repeating in the axial direction wherein a body portion, a valle...
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WO/2017/051857A1 |
This hydraulic oil tank, which is disposed inside a pod (101) of a power generation system (100), stores hydraulic oil, wherein the hydraulic oil tank is provided with: a rubber bag (12) for use during oil temperature increases, the rubb...
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WO/2017/045739A1 |
The invention relates to a bellows accumulator, in particular a pulsation damper, comprising a bellows (3), which, arranged in an accumulator housing (1), separates two media chambers (27, 28) from each other and the bellows folds (19) o...
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WO/2017/033624A1 |
This invention addresses the problem of reducing the impact of spatter during welding without providing a separate member. An accumulator comprises: a base member (2); a cover member (3) that is welded to the base member (2) and that con...
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WO/2017/030954A1 |
A hydraulic circuit (105) is pressurized by a hydraulic pump (104) driven by a power source (101) in a machine (100). The hydraulic circuit (105) is configured to use pressurized fluid (116) from an accumulator (114) to drive a hydraulic...
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WO/2017/030476A1 |
The invention provides a hydraulic system for moving an implement (5) of a working machine, - the hydraulic system comprising a hydraulic cylinder (701, 721) with a cylinder and a piston which is adapted to move in the cylinder to thereb...
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WO/2017/021360A1 |
A hydraulic actuator (1a, 1b), particularly of the shock absorbing and/or damping type, comprising a piston (2) that is accommodated so that it can slide hermetically in a hollow cylinder (3) so as to divide the internal volume of the ho...
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WO/2017/023424A1 |
A method for diagnosing leaks in a hydraulic accumulator includes measuring the time required to discharge the hydraulic accumulator to determine an actual discharge duration. The method includes comparing the actual discharge duration t...
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WO/2017/018130A1 |
[Problem] To provide, for example, a suspension device that enhances roll rigidity without deteriorating the durability of sealing or riding comfort of a vehicle. [Solution] A suspension device (1) according to the present invention is p...
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WO/2017/005338A1 |
A hydraulic unit, in particular for supplying pressurized liquid to conveying and lifting mechanisms, comprising a tank (7) that is located at the end in relation to a main device axis (9), and functional components that are mounted on t...
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WO/2017/005245A1 |
A hydraulic machine unit that can be operated with various working forces, in which working medium is selectively delivered, via a pump-piston accumulator system, to a main cylinder and at least one driving cylinder, wherein at least for...
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WO/2017/004617A1 |
A system is provided for reducing instabilities associated with the operation of a pressure control valve. In an embodiment, the system may include a pressure vessel configured for containing a working fluid. A pressure control valve may...
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WO/2016/206684A1 |
The invention relates to a hydraulic reservoir (1) for a hydraulic medium line system, comprising an inlet (2) to a pressure chamber (3) and a movable volume compensation element (4) which is spaced apart therefrom, as well as a pressure...
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WO/2016/208478A1 |
The purpose of the present application is to provide an accumulator that can reduce the number of components in a pressure fluctuation absorbing mechanism, simplify assembly, and reduce component costs. An accumulator (1) comprises: a pr...
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WO/2016/204118A1 |
The present invention is capable of removing air bubbles from a hydraulic oil before returning the hydraulic oil to a tank. A vortex forming part (50) having a spiral blade member (53) is provided inside a substantially cylindrical drain...
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WO/2016/203275A2 |
Apparatus for protecting a pressurised fluid system from excessive pressure, comprising: a vessel for storing a pressurised fluid; and at least one inflatable element disposed inside the vessel, the element when inflated having a variabl...
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WO/2016/199184A1 |
A compound electromagnetic valve (2) has multiple electromagnetic valves (24a and 24b), and an output port (22). The output port (22) supplies air to an air supply destination only when all of the multiple electromagnetic valves (24a and...
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WO/2016/194607A1 |
The purpose of the present invention is to provide a metal bellows-type accumulator in which reduced durability due to a metal bellows (2) vibrating in the radial direction and contacting the inner circumferential surface of an outer she...
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WO/2016/194609A1 |
The purpose of the present invention is to provide a metal bellows-type accumulator in which reduced durability due to a metal bellows (2) vibrating in the radial direction and contacting the inner circumferential surface (11a) of an out...
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WO/2016/196948A1 |
A laser piston position sensor (26) for determining the position of a piston (28) within an accumulator (20), the laser piston position sensor (26) configured to attach to an end of the accumulator (20), and the accumulator (20) having a...
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WO/2016/188610A1 |
The invention relates to a device and to a method for compensating pressure fluctuations of a fluid in a hydraulic system, comprising a container (1), which is divided into two regions by a membrane (2), wherein a first region (3) is des...
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WO/2016/189403A1 |
The invention is an expansion tank (1) comprising: two half-shells (11, 12) coupled with each other; an inner flexible membrane (13) suited to divide the inside of the casing in two compartments (A, B); a counter cap (14) made of a therm...
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WO/2016/173697A1 |
The invention relates to a hydraulic accumulator, especially a piston accumulator, in which a piston part (27) separates from each other two media spaces (23, 25) inside a storage housing (1), characterized in that the piston part (27) i...
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WO/2016/165986A1 |
The invention relates to a hydraulic system (1), comprising a hydraulic machine (11), which has a low-pressure side (13) having a low-pressure accumulator (14) and a high-pressure side (16) having a high-pressure accumulator (17), and co...
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WO/2016/167846A1 |
The present invention is a new and improved bladder for use with a piston accumulator apparatus, system and method of using same that provides a dispersion tube in the bladder to allow to be communicated under a vacuum from the bladder t...
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WO/2016/158833A1 |
An accumulator is provided, the purpose of which is to stabilize the mounted state of a damping member while alleviating impact on a metal bellows. Provided is an accumulator (100) in which a damping member (190), which is configured to ...
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WO/2016/150535A1 |
A method for producing a foam body, in particular for a pressure accumulator, such as a hydraulic accumulator, the bubble- or diaphragm-shaped, elastically flexible separating layer (12) of which separates two media chambers from each ot...
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WO/2016/153631A1 |
An energy recovery system (114) for a machine (10) having a movable work tool (16), a swing motor (49) to swing the work tool (16) about a vertical axis (46), a pump (58) providing pressurized fluid to the swing motor (49), a power sourc...
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WO/2016/149249A1 |
The control fluid power apparatus (102) includes a first housing (226) having a first piston (228) defining a first chamber (232) and a second chamber (236), where the first chamber (232) receives a control fluid (220) and the second cha...
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WO/2016/147954A1 |
An accumulator 100 includes: a housing 101 including a cylindrical part 102; a piston 120 which is movably disposed inside the cylindrical part 102 so as to demarcate, in conjunction with the cylindrical part 102, a pressure accumulation...
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WO/2016/148582A1 |
Described herein is a fluid circuit device. The device incorporates at least one pressure balancing valve located between at least two fluid volumes that can be in a pressure differential arrangement wherein the at least one pressure bal...
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WO/2016/133400A1 |
A seawater assisted accumulator where the environmental pressure reinforces available hydraulic energy. The accumulator has a first piston exposed to environmental pressure on one side and low pressure on the other side, and a second pis...
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WO/2016/133874A1 |
A fluid pump system includes a housing, a motor, a fan, and a fluid conduit. The housing includes a wall having a first end and a second end, and the housing defining a first axis extending between the first end and the second end. The w...
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