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Matches 201 - 250 out of 1,191

Document Document Title
JP6764016B2
The present disclosure relates to a high-efficiency transmission free forging hydraulic press and an operation method thereof. The high-efficiency transmission free forging hydraulic press comprises: a hydraulic cylinder, a hydraulic pum...  
JP2020527216A
The multi-step pressure boosting structure includes a hydraulic oil circuit and its control member, and a pressure boosting fluid circuit and its control member, and the multi-step pressure boosting structure includes a hydraulic cavity ...  
JP2020121312A
To provide an energy recovery device capable of suppressing the occurrence of cavitation when starting a filling process and finishing the process.An energy recovery device includes: first and second cylinder devices which are connected ...  
JPWO2019044047A1
increase -- pressure -- a device -- (-- the increase of 10) -- pressure -- for -- a cylinder -- (-- allocating the cylinder for a drive (14, 16) in the both sides of 12) A pair of pilot valves (72, 74) which operate when the piston (36, ...  
JP2020098001A
To provide an air pressure-fluid pressure conversion booster which is downsized compared to conventional products.A double cylinder type booster 20 includes: an air cylinder part 21; a first fluid pressure cylinder part 31 provided at on...  
JP2020518454A
The present invention is provided with the following. It is related with a free forging oil pressure machine with high transmission efficiency, and an operating method for the same, and is an oil pressure cylinder. Hydraulic pump, increa...  
JP6711160B2
To provide a boosting device for a vehicle for high-lift work capable of supplying a working fluid to a hydraulic tool without providing a direction control valve for a relief valve and without limiting a flow rate of the working fluid d...  
JP6712111B2
An ultrahigh pressure generator is disclosed. The ultrahigh pressure generator has a pressure intensifier that discharges a fluid at ultrahigh pressure. The pressure intensifier uses a working medium and includes a double acting drive cy...  
JP6712110B2
To execute a pressure cycle test of a pressure vessel by a simple device constitution of high performance.A single-acting booster 2 has a driving cylinder 14 having a first chamber 12 and a second chamber 13 defined by a piston 11 driven...  
JP2020076495A
To provide a thrust expansion device that facilitates the replacement of an input side actuator.On an input side of a thrust expansion device 1, a through-hole of a hydraulic chamber 8 to be fitted with rod diameters of various actuators...  
JP6693973B2
A method for the production of a bladder accumulator (10) that separates two media chambers (16, 18) from one another in a storage housing (12) by a bladder body (14). The following production steps include extruding a plastic tube over ...  
JP2020070927A
To ensure high expandability with respect to input actuators, other thrust expansion devices, and expansion units.In a thrust expansion device 1b, an opposite surface that faces an output surface on which an output-side lid 5 where an ou...  
JP2020056500A
To provide a cylinder device with a large stroke, which generates large thrust in both directions in an axial direction.In a cylinder device 1, a center piston 12 is arranged in a cylinder 2, and a first mechanism portion 1A on a right s...  
JP2020056499A
To provide a cylinder device with a large stroke using an air hydro mechanism, which effectively uses increased hydraulic pressure for fixing the air hydro mechanism.By making an outer peripheral surface of a second hydraulic chamber 32 ...  
JP6673554B2
A pressure booster constituting a cylinder apparatus is provided with a first piston and a second piston that are coupled to each other by a rod. A connection member provided to the second piston is configured so as to be displaceable fr...  
JP6665985B2
A pressure booster is equipped with a pair of cylinders provided on both sides of a center unit, pistons each disposed inside the pair of cylinders, and a piston rod connecting the pistons. Each of the cylinders has a drive chamber and a...  
JP6649400B2
The present invention relates to a hydraulic cylinder integrally comprising a booster pump, the hydraulic cylinder comprising: a first main body part divided into an upper cylinder and a lower cylinder such that a pressure intensifier ca...  
JP6572872B2
When a fluid is supplied to a first pressure-boosting chamber (32a) and/or a second pressure-boosting chamber (32b) of a pressure booster (10, 10A, 10B), either a first electromagnetic valve unit (22) supplies a fluid discharged from a f...  
JP6559704B2
The travel end expansion valve (1) for a piston type pressure converter (2) whose master cylinder (3) and slave cylinder (4) define a master chamber (9) and a slave chamber (10), respectively, includes an expansion master cylinder (12) w...  
JP6517529B2
An apparatus (10) for the controlled pressurization of gas cylinder actuators connected to a single gas filling line, comprising - means (11) for controlling and recovering a pressurized gas flow originating from pressurized gas supply m...  
JP6509860B2
The reversible hydraulic pressure converter with tubular valves (1) comprises a medium-pressure stage (44) consisting of a medium-pressure cylinder (2) and a medium-pressure double-acting piston (3), the position of which is transmitted ...  
JP2019044965A
To provide a cylinder technology using an air hydro cylinder capable of occurring a long stroke and large thrust in both directions of an axial direction.In a cylinder 2, two air hydro devices A and B are formed bilateral-symmetrically i...  
JP2018189100A
To provide a pressure intensifier capable of realizing energy saving with a simple structure, and a cylinder device including the same.A pressure intensifier 10 constituting a cylinder device comprises a first piston 90 and a second pist...  
JP2018179074A
To provide a pressure intensifier capable of easily rebooting even in a case where a selector valve stops at a neutral position, for example, due to reduction of supplied fluid pressure.A pressure intensifier 10 includes: a pair of cylin...  
JP2018155400A
To provide a cylinder device with large stroke, using an air hydraulic cylinder.A pneumatic chamber 20 is composed of a first pneumatic chamber 21 for pressurizing a first piston 11, and a second pneumatic chamber 22 for pressurizing a s...  
JP2018155402A
To provide a cylinder device with large stroke, using an air hydraulic cylinder.A pneumatic chamber 20 is composed of a first pneumatic chamber 21 for pressurizing a first piston 11, and a second pneumatic chamber 22 for pressurizing a s...  
JP2018155406A
To provide a cylinder device with large stroke, using an air hydraulic cylinder.An output rod 7 formed on a third piston 13 is extended to an output side of a cylinder 2. A transfer pneumatic chamber 85 is formed in adjacent to an input ...  
JP2018155401A
To provide a cylinder device with large stroke, using an air hydraulic cylinder.A pneumatic chamber 20 is composed of a first pneumatic chamber for pressurizing a first piston 11, and a second pneumatic chamber for pressurizing a second ...  
JP2018100770A
To shorten the entire length of a fluid pressure cylinder.An inside cylinder 40 and a pneumatic supply rod 22 are coaxially arranged respectively in an outer cylinder 10 and an inner cylinder 40. Moreover, a first piston 30 is arranged b...  
JP2018087550A
To properly manage a temperature of a working medium.An ultra-high pressure generator has a booster 40 including: a double action-type driving cylinder 44 having a first chamber 41 and a second chamber 42 divided by a piston 43 driven by...  
JP2018084260A
To simplify an inner structure of a booster, and to reduce an appearance size.A first position detection sensor 70a and a second position detection sensor 70b of a booster 10 detect a position of a first piston 44 or a second piston 46. ...  
JP2018084270A
To provide a boosting device for boosting a supplied fluid easily and sparing the energy of the entire device by displacing a piston without balancing a pressure value by a simple structure.In the case where at least one of a first boost...  
JP2018080806A
To provide a booster for a high-lift work vehicle which shortens a time necessary for crimp work.A booster 12 for a high-lift work vehicle 1 comprises a pressure sensor 14 for detecting the pressure of a working fluid which is sent to a ...  
JP2018076877A
To obtain thrust larger than thrust by fluid supplied together with a large moving amount by the fluid supplied.A fluid pressure cylinder includes: a first hydraulic piston 31 which forms one side wall surface of a first fluid chamber 32...  
JP2018511760A
[Subject] An oil pressure cylinder which equipped one with a booster pump is provided. [Means for Solution] an oil pressure cylinder -- the increase of the time of low loading -- pressure -- a ratio -- the 1st body part divided by a top ...  
JP2018066366A
To execute a pressure cycle test of a pressure vessel by a simple device constitution of high performance.A single-acting booster 2 has a driving cylinder 14 having a first chamber 12 and a second chamber 13 defined by a piston 11 driven...  
JP2018059520A
To provide a pressure intensifying device capable of controlling pressure transition of hydraulic oil carried to a hydraulic tool and controlling maximum pressure of hydraulic oil.A pressure intensifying device 12 for a work vehicle 1 us...  
JP2018059521A
To provide a pressure increasing device for a high lift work vehicle equipped with a hydraulic type crimp tool capable of holding a compression object without deformation.A booster apparatus 12 for a vehicle 1 for high lift work to feed ...  
JP2018044659A
To provide a pressure increasing device for a high lift work vehicle enabling a disadvantage at the pressure increasing device to be detected.This invention relates to a pressure increasing device for a high lift work for use in supplyin...  
JP2018044570A
To provide a pressure increasing device for a high lift work vehicle capable of changing a pressure of hydraulic fluid fed to hydraulic tools to an appropriate value corresponding to each of the hydraulic tools.This invention relates to ...  
JP2017227253A
To provide a pressure increasing device capable of selecting one mode from a plurality of modes and keeping the maximum pressure of working oil fed to a hydraulic tool constant even if an amount of working oil fed out by a working oil pu...  
JP2017223335A
To provide a boosting device for a vehicle for high-lift work capable of cancelling a boosted state without the necessity to separately perform an operation even in the case where a failure occurs in detection means for detecting a press...  
JP2017223336A
To provide a boosting device for a vehicle for high-lift work capable of supplying a working fluid of an arbitrarily determined pressure to a hydraulic tool.The present invention relates to a boosting device for a vehicle for high-lift w...  
JP2017223343A
To provide a boosting device for a vehicle for high-lift work which enables a work to be started in a state where working fluids in a booster chamber and a hydraulic tool are discharged.The present invention relates to a boosting device ...  
JP2017223334A
To provide a boosting device for a vehicle for high-lift work capable of supplying a working fluid to a hydraulic tool without providing a direction control valve for a relief valve and without limiting a flow rate of the working fluid d...  
JP2017215036A
To provide a hydrostatic pressure actuator driving system that facilitates weight saving.A hydrostatic pressure actuator driving system 1 has a hydrostatic pressure actuator 10 driven by hydrostatic pressure, a gas generation device 20 t...  
JP6196524B2
The invention provides a hydraulic tube expansion device. The device is of a structure which can pressurize liquid accurately with good reproducibility to control the pressure of the liquid to be the expected pressure and enable maintena...  
JP2017144462A
To provide a hydraulic drafting device that does not use a hydraulic control servo valve corresponding to plate thickness accuracy in a compact rolling machine or a roll press machine.This hydraulic drafting device is provided with: a sc...  
JP2017520725A
An emitter cylinder (3) and a receiver cylinder (4) are each, An end stroke extension machine for piston type pressure intensifiers (2) which demarcates an emitter chamber (9) and a receiver chamber (10) (1), An expansion emitter drive p...  
JP2017512657A
In a press machine, at least one sealed liquid pressure type drive unit 2 can change the base pressure exceeding ambient pressure from the operating mode always exceeded everywhere to stillness mode in the inside of liquid pressure type ...  

Matches 201 - 250 out of 1,191