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JP6869981B2 |
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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JP6861501B2 |
To provide a hydraulic actuator system, a fluid valve, and a steam turbine capable of suddenly closing a fluid valve body in a short time.A hydraulic actuator system comprises: a hydraulic pump 35 provided in a pipe line 33 connecting be...
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JP2021060116A |
To propose a foreign matter collection device that can easily remove contamination in a tank.A foreign matter collection device A comprises: a cylindrical member (101) comprising a first cylinder part (101a) on one side in an axial direc...
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JP6857056B2 |
The present invention makes it possible to enhance the reproducibility of a device for automobile collision simulation testing. This servo actuator for automobile collision testing thrusts a piston rod toward a sled which is supported so...
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JP6860546B2 |
Provided is an accumulator having excellent sealing performance at a joint between bladders. An accumulator 10 is configured such that a bladder 30 is disposed on the inside of a shell 20 to divide an internal space of the shell 20 into ...
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JP6855945B2 |
To provide a pressure accumulation device which can instantly generate a pressure and, in addition, is applicable even to a situation where supply of a pressure higher than the pressure outputted by a pressure supply source such as an oi...
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JP6851405B2 |
To provide an energy saving type hydraulic control system where energy saving effects can be obtained and pressure drop can be softened and hydraulic pressure can be kept constant during operation.An energy saving type hydraulic control ...
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JP6852348B2 |
To appropriately control an inclination angle of a swash plate of a swash plate type pump motor while reducing an energy loss.A hydraulic system 1 includes: an electric pump 50 that can discharge working fluid having a predetermined cont...
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JP6844277B2 |
To prevent oil from being discharged outside a vehicle in damage of a high pressure accumulator, without preparing means of storing oil.A hydraulic safety device 100 includes a hydraulic compressor 10, a high pressure accumulator 11 and ...
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JP6832205B2 |
A hydraulic accumulator includes a limiting portion that is fitted into a ring end gap of a snap ring to limit a decrease in a diameter of the snap ring. The snap ring is stamped from a metal sheet by a press machine. Therefore, one of t...
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JP2021013912A |
To provide an intermittent coating device capable of performing intermittent coating without using a recovery valve to increase a transfer speed of a base material, so as to effectively suppress swellings and dents at a coating start edg...
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JP2021008957A |
To effectively slow the permeation of a gas such as nitrogen through a diaphragm or bladder.A diaphragm 18 and a bladder for an accumulator each include a thermoplastic film formed in a dome or bulbous shape. A metallic vapor deposition ...
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JP6820276B2 |
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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JP6820317B2 |
A method and device supply a vehicle with main and auxiliary air, wherein the device includes a compressor driven via an electric motor for generating compressed air to fill at least one main air tank for supplying pneumatic units of the...
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JP6815327B2 |
In order to be able to easily check the state of foreign matter contained in oil regardless of an installation location, a device main body 10 having a housing chamber 11 in which oil is stored, a plug 20 attached to a bottom portion of ...
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JP6810056B2 |
A hydrostatic drive, as a whole system, includes two fluidic displacement units (1, 3), which can be adjusted at least in respect of the volumetric flow. One unit is coupled to an input (9). The other unit is coupled to an output (11). T...
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JP6803271B2 |
An accumulator includes a pressure vessel and a partition portion separating an interior space of the pressure vessel into a liquid chamber and a gas chamber so that a volume ratio between the liquid chamber and the gas chamber in the pr...
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JP6800157B2 |
A metal bellows of great durability capable of preventing breakage at both end portions of the metal bellows is provided. The metal bellows is annular-shaped and has, axially repeatedly, a structure in which, from an axial end portion 10...
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JP6798749B2 |
Energy transfer apparatus such as a viscous damper or hydraulic cylinder apparatus are described along with their use, the apparatus generating velocity dependent damping force between two spatially separate points. The apparatus may com...
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JP2020533125A |
To provide an exoskeleton suitable for application in the field of rehabilitation. A human exoskeleton for connecting to the human body has a first skeletal structure (1) having a first connecting unit (6) suitable for connecting to a fi...
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JP6787990B2 |
Provided is an accumulator having excellent sealing performance between a shell and a bladder. An accumulator 1 is configured such that a peripheral edge portion of a bladder 3 formed of an elastic member is in close contact with the ins...
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JP6774405B2 |
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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JP6770190B2 |
A device determines the weight of a hydraulic accumulator (10) during its operation in a hydraulic facility. A pressurised liquid is introduced into a pressure vessel at least partially filled with a gas. The pressurised liquid compresse...
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JP6763884B2 |
To provide an accumulator having a buffering action for protecting a sealing part from a stay, in which a bellows cap can be promptly separated from the stay at the time of a pressure boost in a pressure pipe. In a pressure container (2)...
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JP6760954B2 |
There is provided an accumulator capable of suppressing collision of a metal bellows with a pressure vessel. A partition unit 300 includes: a tubular metal bellows 310 , one end of which is side fixed to a pressure vessel 200 and which e...
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JP6754762B2 |
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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JP6756723B2 |
A method for producing a foam body for a pressure or hydraulic accumulator has a bubble- or diaphragm-shaped, elastically flexible separating layer (12) separating gas and liquid chambers from each other within an accumulator housing. Th...
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JP2020143587A |
To improve start-up performance of an internal combustion engine.An internal combustion engine variable valve device comprises: a variable mechanism which can switch between a first state J1 and a second state; and a hydraulic pressure c...
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JP2020138727A |
To provide a brake system shock absorber (10) of the present invention, which includes a first space (20) to be applied with fluid pressure, a second space (24) in which a medium having compressibility is present, and a first separation ...
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JP6748073B2 |
A piston seal structure provided in a piston-type accumulator is configured so that the sealing properties will not be degraded by the permeation of gas, the distortion of a seal, or the deterioration of a material. Provided is a piston ...
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JP2020118167A |
To provide a monitoring device capable of inspecting the situation of the device without exchanging a conventional oil pressure gauge or oil level gauge.A monitoring device 1 comprises: an imaging section 10 for imaging an oil level gaug...
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JP6717451B2 |
To suppress, in an energy recovery system for recovering energy from a working fluid discharged from a fluid chamber, fluctuations of the working fluid in a flow conduit and thereby prevent reduction in the energy recovery efficiency. Th...
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JP6716294B2 |
To provide a hydraulic device capable of restricting a large-sized formation of an entire device by making a small-sized formation of an upper plate at an oil tank.A hydraulic pump 4 and an electric motor 3 are coaxially arranged and mou...
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JP6717686B2 |
To provide a hydraulic control device capable of restricting energy loss while keeping superior operability.A device provided by this invention comprises a control valve 16; a pilot operator 20; an accumulator 24 connected to a pilot lin...
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JP2020517864A |
The present invention relates to a vehicle hydraulic drive system (1). The hydraulic drive system (1) is a main hydraulic circuit (8) having a first hydraulic push-off unit (4) fluidly connected to the second hydraulic push-off unit (5),...
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JP6708639B2 |
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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JP6708640B2 |
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 (11 a) of an ou...
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JP6706545B2 |
To provide a hydraulic system capable of easily performing replacement operation of a filter element without enlarging an oil tank.A return filter 16 is located on the upper side in a vertical direction than a storage actuation oil of an...
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JP2020085086A |
To provide a fluid control device including a drive fluid supply system which enables reduction of variations in operation timing between air-operated valves.A fluid control device includes: a pressure regulator 103 which adjusts a press...
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JP6702905B2 |
An accumulator includes a pressure vessel including a first section and a second section joined to each other via a joint portion and a partition portion separating an interior space of the pressure vessel into a liquid chamber and a gas...
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JP6692686B2 |
To enable installation of a fluctuation pressure absorbing function part without increasing the size of a forklift and obstructing a field of view of an operator.A forklift has a pair of lift cylinders 310 in which a piston rod expands a...
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JP6686840B2 |
To provide a tank capable of reducing time and labor for parts replacement at the time of start and end of conveyance or preventing equipment damage due to forgetting to replace a cap after completion of conveyance while preventing hydra...
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JP6680162B2 |
To provide a hydraulic oil tank having a filter case with improved strength without increase of the weight of the hydraulic oil tank.A filter chamber 2 includes an upper chamber 11 having a plurality of plane surfaces that accommodates e...
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JP6677526B2 |
To provide a sealing plug that reduces the number of manufacturing steps of a pressure container, and to provide an accumulator and a method for manufacturing an accumulator.The sealing plug 8 inserted into a sealing hole 6 formed in the...
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JP2020050265A |
To provide a liquid pressure damper capable of suppressing detachment of a bladder from a core.A liquid pressure damper of an embodiment comprises for example, a core formed of: a base; and a first outer peripheral surface which protrude...
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JP2020051436A |
To monitor gas pressure reduction by detecting a gas compression rate from the outside not only during stop of accumulator but also during operation.In an accumulator ACC, the inside of a container main body is partitioned into a main bo...
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JP6673205B2 |
A method of charging a hydro-pneumatic energy storage system is described. The system has a first hydro-pneumatic accumulator with a first hollow vessel. Disposed within the first hollow vessel is a first compressible volume containing a...
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JP6664273B2 |
To provide a hydraulic control device for enabling the drive of an engine to be promptly resumed irrespective of the pressure of an accumulator, after a temporary stop of the engine.A hydraulic control device comprises: a pilot pump 18; ...
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JP6663603B2 |
A series hydraulic hybrid system for a vehicle is described. The hydraulic hybrid system has a hydraulic circuit and a high pressure accumulator. The hydraulic circuit has a first hydraulic displacement unit in fluid communication with a...
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JP6661604B2 |
The invention relates to a method and a cylinder arrangement suitable for determining the position and/or movement of a piston (2) in a cylinder that has a longitudinal central axis (L), in which a liquid is present on a first piston sid...
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