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JPH11509479A |
A hydraulic pressure boosting unit (11) is used in particular in a press operating according to the high inner pressure extrusion process. The hydraulic pressure boosting unit has a docking cylinder (10) with a docking piston that slides...
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JP2932892B2 |
PCT No. PCT/JP94/00834 Sec. 371 Date Apr. 5, 1995 Sec. 102(e) Date Apr. 5, 1995 PCT Filed May 25, 1994 PCT Pub. No. WO94/28303 PCT Pub. Date Dec. 8, 1994A superhigh pressure generator system is provided which comprises first, second and ...
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JP2929504B2 |
PCT No. PCT/AT90/00090 Sec. 371 Date Mar. 3, 1992 Sec. 102(e) Date Mar. 3, 1992 PCT Filed Sep. 10, 1990 PCT Pub. No. WO91/04169 PCT Pub. Date Apr. 4, 1991.A control device for hydraulic operating cylinders of a combined lifting platform ...
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JPH11193776A |
To provide a servo energizing machine for operating static hydraulic transmission having a small and simple structure enough to be installed into the static hydraulic transmission that allows quick and light operation without causing an ...
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JP2913381B2 |
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JP2913378B2 |
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JP2903957B2 |
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JPH11141451A |
To perform effective operation and prevent heat generation due to power loss. A first port 11 and a second port 12 are formed in a valve plate 8 for dividing pressure fluid to the suction and discharge, and the second port 12 is further ...
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JPH11114855A |
To attenuate operating sounds of a piston when a hydraulic pump is operated using compressed air. In this power generator, a hydraulic pump 3 and an air cylinder 2 are arranged in serial along an axial direction of the cylinder rod 5 of ...
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JPH1199635A |
To do a greater number of operations simply without an additional troublesome pressure step controller by installing an actuation mechanism in which a pressure converter is equipped with an actuation mechanism surface which is loaded wit...
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JPH1193843A |
To provide an air compressing device stably generating high-pressure compressed air from a low-pressure air compressor without using a high-pressure air compressor. The compressed air from an air compressor 40 is guided through a compres...
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JP2592878Y2 |
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JP2858121B2 |
PCT No. PCT/NO87/00086 Sec. 371 Date Sep. 2, 1988 Sec. 102(e) Date Sep. 2, 1988 PCT Filed Dec. 30, 1987 PCT Pub. No. WO88/05133 PCT Pub. Date Jul. 14, 1988.A pressure exchanger for transfer of pressure energy from a liquid flow of one li...
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JPH1115536A |
To prolong a life without overloading an intensifying valve by receiving an intensifying request pulse from an intensifying pulse generation means and switching primary pneumatics and secondary pneumatics. An intensifying request signal ...
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JPH11500516A |
PCT No. PCT/DE95/01795 Sec. 371 Date Sep. 19, 1997 Sec. 102(e) Date Sep. 19, 1997 PCT Filed Dec. 14, 1995 PCT Pub. No. WO96/18825 PCT Pub. Date Jun. 20, 1996A hydro-pneumatic pressure booster is proposed in which the reservoir chamber is...
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JPH112350A |
To form an unleaky type and simultaneously enable temperature compensation. Relaitng to an electric solid actuator provided with a hydraulic transmission ratio changing device for operating particularly a valve in order to operate a cont...
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JP2587278Y2 |
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JPH10299702A |
To provide a minute displacement generation mechanism which can generate a minute displacement accurately and in which a production cost is not risen. This mechanism is provided with a base body 11 and a relatively movable displacement s...
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JP2582925Y2 |
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JPH10267002A |
To eliminate a change of output pressure due to that a pressure booster is formed into compactness and a set up attitude is changed, by forming a switch valve as a pilot type. A switch valve 28 provided in a center body 22 of a pressure ...
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JPH10238502A |
To improve a function and safety by absorbing an increment of a liquid pressure due to an external heat, such as a solar heat, geothermy, and other drive heat for a device. A pressure booster is constituted such that a gas accumulating c...
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JPH10238501A |
To prevent trouble, the damage, and deterioration of an actuator for valve drive by relieving a load exerted when the actuator for valve drive is stopped. A pressure booster is constituted such that a accumulater gas chamber 4 communicat...
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JPH10141304A |
To increase starting power of the actuator simply by fitting a fluid system to the forward stage of an input port of the actuator. In the initial movement of a piston 2 from the initial position, pressure in a primary pressure room 31 is...
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JPH10131901A |
To provide a device changing energy from a pressure fluid source to a work device into various pressure intensities. An energy converter device 16 has power change units 54, 56 performing action reducing effectively a pressure of fluid f...
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JP2750511B2 |
PURPOSE: To enable a sufficient utilization of hot water to be attained from a solar hot water heater by a method wherein there are provided a pump for feeding hot water obtained from a solar hot water heater and a changing-over valve fo...
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JP2739426B2 |
PURPOSE: To easily maintain a pressure balance or transmit a pressure by disposing a depressing valve for relieving only a part of fluid having an excessive pressure into other fluid when a differential pressure exceeds a predetermined v...
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JPH1078002A |
To reduce a reciprocating motion by applying a pressure in a control flow pipe to act at fixed force in one side end surface of a spool, in a device having a control valve, in which the control valve has a spool, connecting a low pressur...
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JPH1068402A |
To efficiently transfer the heat of the refrigerant flowing in a heating chamber to the medium in the pressurizing chamber by providing corrugated fin members in contact with an outer shell and an inner shell in the heating chamber which...
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JPH1061601A |
To miniaturize a booster without causing any mixture of a working fluid and a pressurized fluid. A booster 1 including a piston 14 driven to be moved by a working fluid flowing into a cylinder tube 11 and a piston rod 15 moved integrally...
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JPH1058266A |
To establish a high speed operation without increasing the pumping capacity of a hydraulic unit. A moving element driving device concerned is composed of a cylinder 3 to drive a tail stock 2, etc., an oil pressure source 6 supplying ther...
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JP2716314B2 |
PURPOSE: To enable change-over between the maximum discharge quantity and the maximum discharge pressure according to the loaded state in a liquid plunger type booster. CONSTITUTION: A cylindrical auxiliary cylinder chamber 9 is formed a...
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JPH10501321A |
PCT No. PCT/SE95/00625 Sec. 371 Date Nov. 18, 1996 Sec. 102(e) Date Nov. 18, 1996 PCT Filed Jun. 1, 1995 PCT Pub. No. WO95/33928 PCT Pub. Date Dec. 14, 1995A pressure intensifier for pressurization of a medium is provided, comprising a l...
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JPH1027024A |
To make hydraulic pressure mean at low cost by providing a rotary driving part and a rotary pressure part coaxially on a rotary shaft halfway in flows of water of different systems, and driving and rotating the rotary pressure part with ...
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JPH1019002A |
To boost a low pressure to a high pressure by a simple mechanism without requiring other power sources such as a hydraulic motor and a hydraulic pump. When a spool 2 is advanced by applying the liquid pressure introduced from outside to ...
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JPH09317646A |
To execute the calibrating work of a pressure apparatus in a short time even where there is no power source such as an alternating current power supply, by arranging a power supply which drives a compressor and can accumulate electricity...
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JPH09303314A |
To improve the substantial service life of a boosting valve without enlarging a pneumatic circuit. The piping on the output side of a regulator 3 is branched in two ways, and one branched piping is connected to an input port 1a of a sole...
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JPH09280202A |
To integrally form an apparatus and a device, reduce size, and simplify a mounting and a handling method by a method wherein a concentric and single wall cylinder tube is arranged on the outside of the cylinder tube and a space between t...
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JPH09257153A |
To regulate the aperture of a valve without requiring a substantial torque when opening or closing it by heating or heat-absorbing a hydrogen storage alloy to convert the gas pressure of the hydrogen gas emitted or stored into oil pressu...
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JP2547409Y2 |
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JPH09229014A |
To automatically operate by high power accompanying increase of external force, during operating by low power with the use of low pressure fluid (oil, air, or the like). A primary side cylinder chamber in which a piston 4 integrated with...
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JPH09210014A |
To provide a booster type motor cylinder which can produce great thrust around the pushing-out end of an output rod and can use a motor of relative small type and low output. This booster type motor cylinder is an output rod 6 which driv...
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JPH09151903A |
To automatically supply a pressurizing liquid without interrupting a test even in the middle of a continuous test when the pressurizing liquid is supplied because of the displacement of stroke of the pressure intensifying piston of a pre...
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JPH09151902A |
To improve pressing performance while making a device compact, reduce the number of equipments treating high pressure operating oil to reduce noise and running cost. This device has a booster pump 18 for intensifying the pressure of the ...
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JP2616085B2 |
A system for controlling a fluid pressure includes a pressure modulating cylinder unit having a piston and a cylinder housing defining first and second fluid chambers separated by the piston, a cutoff valve unit for isolating the first a...
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JP2535452Y2 |
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JPH09109858A |
To smoothly realize the anti-lock control, the traction control, and the automatic brake control by arranging a pressure regulating piston in a hydraulic pressure chamber formed on a hydraulic pressure control device body, and controllin...
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JPH09108766A |
To reduce the size of a device by transmitting thrust force of energizing mechanism through a clutch member which partially is fitted to a piston rod of an air cylinder so as to eliminate movement of the energizing mechanism in a fast fo...
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JPH09100803A |
To provide a compact and lightweight valve driving device, for which no restriction on an installation position and no installation of a carriage is required, by using compressed air or instrument air at a comparatively low pressure as p...
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JP2528147Y2 |
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JPH08334103A |
PURPOSE: To improve durability of a device by sequentially opening and closing a supply valve group, a discharge valve group, and an escape valve group by applying pressure inside a pressure vessel in a cyclic form within the range from ...
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