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Patent Searching and Data


Matches 151 - 200 out of 1,145

Document Document Title
WO/1994/027794A1
A small and inexpensive ultrahigh pressure control device wherein first and second boosters (1, 2) for pressurizing under an ultrahigh pressure the water taken into plunger chambers (3a, 3b) by virtue of the reciprocating movements of hy...  
WO/1994/001309A1
The subject invention relates to a fluid pressure intensifier (32) for increasing the pressure of an incompressible fluid and comprises a fluid reservoir (112) supplying fluid to a cylinder housing (72). The housing (72) includes first i...  
WO/1993/021444A1
A fluid intensifier (P) comprises a two stage piston (1) within a sleeve (2). Piston (1) provides, by pressure multiplication, a pressure increase to buffer fluid within the intensifier (P). Sleeve (2) is located within an outer sleeve (...  
WO/1993/016288A1
A new kind of pressure transformer (9) has a flow channel (11) and closure means (12) for bringing a gaseous, flowing medium from an initial pressure up to a higher pressure level with only a small supply of external energy.  
WO/1993/005300A1
A modular digital actuator (10) is formed by interconnecting a plurality of modules (12, 14). Each of the modules (12, 14) includes a housing (16) having a pair of different sized axially extending cylinder sections (20, 22) in which is ...  
WO/1992/001155A1
Power booster comprising a hydraulic jack with thrust-reversing device, loacted between a driving force and a resistive element. The power booster consists of cylinders (1) mounted in pairs by means of a yoke (9) rotating on a shaft (10)...  
WO/1991/006781A1
An arrangement in pressure exchangers for transfer of pressure energy from one fluid flow to another, comprising a housing with an inlet and an outlet duct (9, 11, and 10, 12 resp.) for each fluid flow, a rotor (15) which is designed to ...  
WO/1991/004169A1
A control device for hydraulic working cylinders with a hydraulic medium pump (1) driven by a motor (2) which can be caused to communicate with a chamber of at least one lifting cylinder (11) and at least one lock cylinder (14) of the lo...  
WO/1989/003334A1
To prevent energy losses, in particular during cylic energy-consuming operating processes, a dual-lever roulette mechanism (12) is incorporated between the hydraulic accumulator (1) and the consumer to ensure continuous equilibrium betwe...  
WO/1988/005133A1
A pressure exchanger for transfer of pressure energy from a liquid flow of one liquid system to a liquid flow of another liquid system includes a housing (1) with inlet and outlet ducts forming pairs of ducts for each liquid flow. A cyli...  
WO/1987/005973A1
A method of and means for anti-contamination flow control in liquids in a system using a motor unit (1) adapted to be driven by a pressure liquid having its drive coupled to drive a pump unit (6) adapted to pump liquid under pressure to ...  
WO/1987/001161A1
A fluid-driven power plant (10) includes a motor (20) and a combustion energy input device combined in a closed, pressurized system. A balance cylinder (26) provides variable low pressure fluid storage within the system and also operates...  
WO/1983/004288A1
A hydropneumatic pressure converter has a first pneumatic part and a second hydraulic part. The essence of the invention lies in that the first pneumatic portion is formed by a flexible cylinder provided with a front plate having a cylin...  
WO/1983/000540A1
Pneumatically controlled pressure transducer intended to actuate hydraulic working members and provided with a double motor cylinder; on one side thereof there is a pneumatically actuated cylinder, and on the other side a hydraulically a...  
WO/1982/004290A1
An internal combustion driven fluid pumping apparatus for accumulating fluid pressure to be applied against a load includes a two-stroke combustion cylinder (15) having a piston (18) drivingly connected to a piston (21) of a linearly dis...  
WO/1982/001222A1
A device comprising reservoirs (1, 2) for a base and a hardener respectively, feeding (3, 4) and dosing pumps (5, 6), a mixing chamber (7) and an executing member (9). The stability of the pressure of feeding the components is ensured by...  
WO/1982/000501A1
A hydro-pneumatic pumping installation comprises two double action hydro-pneumatic boosters (2, 3). Each pneumatic cylinder (4, 14) of the boosters (2, 3) contains a piston (7, 17) dividing it into two pneumatic chambers (10, 11, 20, 21)...  
WO/1982/000502A1
A hydro-pneumatic pumping installation comprises two double action hydro-pneumatic boosters (2, 3) containing pistons (5, 13) which form in the pneumatic cylinders pneumatic chambers (6, 7, 14, 15) of variable volume connected to the out...  
WO/1981/000547A1
A hydraulic system for trimming a marine outboard drive (49), and wherein a single actuator (11) for moving the propulsion unit (49) is used for both trim and tilt. The actuator (11) is connected to a hydraulic pump (3). An amplifier (5)...  
JP6572872B2  
JP6559704B2  
JP6517529B2  
JP6509860B2  
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  
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...  

Matches 151 - 200 out of 1,145