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Matches 351 - 400 out of 1,156

Document Document Title
JP3408233B2
To provide a pressing mechanism which reduces nonuniformity on the occasion of pressing an object, prevents pollution due to a hydraulic fluid and also enables attainment of miniaturization. The pressing mechanism is equipped with a hydr...  
JP3400557B2
PURPOSE: To provide a valve drive device which is constituted to be formed in a compact manner in such a way that a booster is located in a gas tank sealed with compression gas, such as incombustible gas, and eliminate a fear of fluid le...  
JP3395122B2
To deliver high-pressure fluid at an arbitrary pressure value without being influenced by a load state, suppress noise caused by surging, and improve durability. In this device, high-pressure plungers 51, 52 are driven by a driving pisto...  
JP2003054836A
To provide a pressure intensifying apparatus for compressed fluid which is relatively small in size, inexpensive and energy-saving. The intensifying apparatus is provided with a pressure intensifying cylinder 17 wherein a cylinder 18 is ...  
JP2003056503A
To provide a small booster cylinder capable of passing an operation axis tool for liquid flow or through a through-hole that passes through a piston rod. The booster cylinder comprises a primary-side piston 3a moved by a hydraulic liquid...  
JP2003056504A
To solve the problems of the presence of the risk for increasing the pressure of inflammable gas and a large-sized device at a high cost, for assuring safety for increasing the pressure. A gas with increased pressure is obtained by sucti...  
JP2003053288A
To provide a thin tube maintenance and inspection apparatus which can improve working efficiency, can decrease the fatigue of a worker, can improve the work environment, has both a thin tube clamping function and a sealing function, and ...  
JP3374346B2  
JP3370939B2  
JP3368052B2
PURPOSE: To provide a compressed air booster which can remarkably reduce energy loss by enabling usage of air which is used in a compression driving during foreward moving of a cylinder in the compression driving again during backward mo...  
JP2003013904A
To provide a hydraulic intensifier with a miniaturized pump, dispensing with a selector valve, and having less noise to be generated.The hydraulic intensifier comprises two boosters 5, 5'; each booster being equipped with pressure pumps ...  
JP2003013903A
To obtain an electronic controlled pneumatic hydraulic pressure generator which reduces the difference between generated and desired hydraulic pressures by detecting constantly a compressed air pressure applied to the pneumatic hydraulic...  
JP2002539387A
(57) the control system (10) of a summary oil pressure converter (12), The oil pressure converter (12) which provides a fluid actuator (22) with oil pressure, Provide the oil pressure system (14) which provides an oil pressure converter ...  
JP2002328727A
To reduce the costs of the assembled components of a pressure adjusting unit, and to efficiently perform the assembling work, and to make the pressure adjusting unit compact under a new idea, and to make a table cooker compact and light ...  
JP2002322956A
To prevent a hydraulic fluid from being mixed with an addition liquid.An addition liquid supply device is provided with a main body 21 in which a spool hole 29 is disposed, a spool 22 which is slidably inserted into the spool hole and di...  
JP2002295410A
To provide a service water pressure utilizing device capable of suitably utilizing even at a facility to utilizing water.Since a support body 3 is driven by a cylinder 4 and a pump 5 by utilizing a pressure of service water, there is no ...  
JP2002533609A
(57) At least one compressed air container (1) for summary book invention being equipment which changes into mechanical work the energy conserved into compressed air, and storing compressed air, While having at least one air pressure wor...  
JP3331152B2  
JP2002531792A
(57) Summary book invention relates to reverse 止弁 in which the interception release with desirable being used for very high system pressure is possible. A pressure-from-below piston (70) is 易動性 comparatively, and, as for this r...  
JP2002266801A
To supply the low pressure by oil from a storage tank when the load of work is light, automatically supply the oil of high pressure when the load is increased and arbitrarily operate plural works at random.This equipment is provided with...  
JP2002250301A
To solve such problems that, when the pressure of nitrogen gas to be boosted is varied when only one set of boosting valves are used, it is difficult to maintain the pressure of high-pressure nitrogen gas after boosting in a specified st...  
JP2002227801A
To solve such problems with a booster valve capable of providing a high pressure nitrogen gas with a rather low production cost that noise is generated to provide uneasiness to those people therearound when operated for boosting nitrogen...  
JP2002221155A
To resolve the problem that gaseous nitrogen having a high pressure and high purity at the same time can hardly be produced.In a manufacturing method for the gaseous nitrogen having a high pressure, the pressure of the gaseous nitrogen 1...  
JP2002213405A
To provide an actuator 20 for selectively displacing an output member 23 against the opposed load L, in response to an output 24 of a motor 23.This actuator includes a first power transmission mechanism 50 for displacing the output membe...  
JP2002202049A
To provide a fail-safe mechanism of a motor-driven hydraulic pressure generator capable of surely generating hydraulic pressure even when failure is caused in an electric system.This fail-safe mechanism of the motor-driven hydraulic pres...  
JP2002155902A
To provide a multistage booster capable of setting the pressure of a secondary side at plural sages with one booster and capable of supplying the various high pressure in response to a load.In this multistage booster included in a fluid,...  
JP2002144089A
To provide a pressurizing device which makes it possible to obtain great working power in a working unit while assuring a relatively large stroke.A boosting section of the pressure attachment equipped with the boosting section driven by ...  
JP2002130201A
To provide a booster having a means that returns a pressurized medium from a pressurizing point to the booster side, in order to reduce the pressure of the pressurizing point or keep it a constant pressure.This booster 1 is a double-acti...  
JP2002106502A
To provide a compact fluid booster capable of supplying secondary pressured fluid of high pressure and furthermore, quickly actuating an actuator.The fluid booster constitutes to establish an outside cylinder body 10 including three cyli...  
JP2002089507A
To prevent a core from being pushed back by pressurized hydraulic fluid from a high load accompanying casting pressure of molten metal during casting and pressurizing in a core driving cylinder of a die casting machine.A boosting cylinde...  
JP2002089502A
To provide a booster capable of operating with using a designated pressure of hydraulic fluid itself as a power source by just only supplying hydraulic fluid from an outside, capable of continuously outputting, small in size, capable of ...  
JP2002067066A
To provide a pressing mechanism which reduces nonuniformity on the occasion of pressing an object, prevents pollution due to a hydraulic fluid and also enables attainment of miniaturization.The pressing mechanism is equipped with a hydra...  
JP2002039105A
To provide an intensifier capable of improving intensifying effect without increasing consumption power by reusing exhaust air.An outlet port 1c of an intensifying valve 10 on the upstream side is communicated with an inlet port 2a of an...  
JP2002035994A
To provide a booster and a press forming machine with it, which is able to put forth larger working force while ensuring comparatively large stroke.A first cylinder 21 and a second cylinder 22, whose cross section is larger than the firs...  
JP2001317501A
To provide a booster intensively driving a hydraulic cylinder at a high speed.A first pair of pistons 10 are inserted into a housing 6 retractably. The right edge part of a second input piston 20a in a second pair of pistons 20 is insert...  
JP2001289154A
To quickly switch a selector valve for a booster pump from a discharging position to a supplying position, and to miniaturize the selector valve. An input chamber 9 of the booster pump 2 is alternately connected to a pressure port P and ...  
JP2001271809A
To provide a hydraulic locking device, capable of enhancing sureness and reliability in operating a device, intending for miniaturization and a high output of the device, and for attaining miniaturization and a low pressure of a hydrauli...  
JP2001248611A
To provide a clamp device provided with a fluid pressure cylinder having a boosting function of pressurizing oil in a hydraulic cylinder by gas pressure of a gas spring for generating high pressure oil pressure so as to generate a strong...  
JP2001246507A
To provide a tool fixing device for the main spindle of a machine tool, capable of generating strong energizing force by means of a fluid-operated cylinder by providing the fluid-operated cylinder with a pressure intensifying function to...  
JP3194047B2  
JP2001198755A
To provide a fluid pressure intensifier constructed to avoid an interaction with the other structure in the use mode attached to a pallet, a jig, etc. A device body 22 which has an input port 31 and an output port 30 and is placed in suc...  
JP2001124002A
To provide a preloading type booster eliminating man-hours for connecting a booster and a hydro-pneumatic converter as well as the necessity of securing extra space for installing a hydro-pneumatic converter. An air cylinder 1 for pressu...  
JP2001115953A
To provide a device capable of jetting a cleaning liquid at a substantially constant jet pressure continuously and efficiently without increasing the number of pollution sources. In this device, the cleaning liquid is sent from a liquid ...  
JP2001090702A
To perform also driving of strong force in addition to forward/ backward driving by a servomotor. This driving gear, comprising a servomotor 10, transmitting mechanism 30 transmitting its output to an operating part 70, and a converter m...  
JP2001059501A
To enhance responsiveness to stroke changeover, reduce a radial size for compactness and relax accuracy need in working parts. A pressure intensifier 3 and a control valve mechanism 4 are provided inside a main case 2, a changeover of an...  
JP2001020902A
To provide a low price high pressure/low pressure switch type hydraulic booster.This hydraulic booster is provided with two hydraulic pressure chambers 12 and 13 which are divided on both sides of a first piston 3, a second piston 17, wh...  
JP2000329102A
To provide an automatic booster automatically continuing the reciprocating operation by operating a fluid pressure by providing a booster cylinder and an automatic changeover valve which changeovers the moving direction of a piston by th...  
JP2000283103A
To downsize a device by mounting a hydraulic cylinder in an air cylinder, sharing a piston rod between the hydraulic cylinder and the air cylinder, and utilizing a space of a piston rod side of the air cylinder as a tank for a hydraulic ...  
JP3094032B2  
JP3091961B2  

Matches 351 - 400 out of 1,156