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JP4986165B2 |
Provided is a displacement amplifying device which uses Pascal's principle and is insusceptible to temperature change. A main body (1) is provided with an accommodation space (11) for accommodating a medium (2) therein. The medium (2) is...
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JP4976994B2 |
To provide a hydraulic system and a food processing apparatus capable of decreasing energy consumption and reducing a load to an environment. This hydraulic system includes: a compressor 23 driven by a hydraulic actuator 24; a heat pump ...
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JP4977470B2 |
The system has a pipe (16) to connect an upstream master cylinder (14) to a downstream slave cylinder (18). An assistance cylinder (30) interposed within the pipe has an assistance piston mounted axially between an upstream clutch positi...
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JP4937801B2 |
An actuator includes a power source (10), a cam member (15) driven by power from the power source (10), a following member (19) moving in connection with a motion of the cam member (15), an accommodation chamber (20a) accommodating an ac...
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JP4920847B2 |
An active pneumatic component for pneumatically controlling a hydraulic bearing includes an electrically driven oscillating membrane pump combined with a multiway valve into an integrated structural component, in such a way that an armat...
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JP4918614B1 |
To provide an actuator capable of miniaturization and weight reduction while exhibiting performance equivalent to that of a hydraulic cylinder. A plunger interior hole 301 is provided with a rotating shaft 4 inserted through a closing po...
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JP4789215B2 |
An actuator assembly (1) comprises a body (2) in which works an actuating piston (7), a first piston (5) and at least one second piston (6), a chamber (26) containing a substantially incompressible fluid by which each of the first and se...
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JP2011169425A |
To provide, for example, a small and inexpensive actuator.A photoelectric conversion device includes: a movable portion 160 which is operated by fluctuation of intake quantity of air; a cylinder 140 which contains air and feeds the air t...
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JP4703796B2 |
The hydrostatic drive with a closed hydraulic circuit has an external pressure source rigged on both sides. There is a reversible hydraulic pump closed over a working pipe. Outside the direct surroundings of the hydrostatic drive, there ...
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JP4682666B2 |
A master cylinder includes a cylinder body and primary and secondary pistons slidably received in the cylinder body, thereby defining first and second pressure chambers in the cylinder body. The first and second pressure chambers communi...
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JP2011062756A |
To provide a fluid pressure transmission device reduced in size and weight.The fluid pressure transmission device includes: high-pressure driving fluid pressure cylinders 55, 56; low-pressure driving fluid pressure cylinders 51-54; a plu...
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JP4596796B2 |
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JP4515785B2 |
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JP4498718B2 |
A gap which is provided between the pistons (2,5) serves as a communicating path (23) with a larger reservoir (10) than the annular routes (19,20) at the rear portion of the annular walls (17,18). The annular walls are provided integrall...
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JP4481171B2 |
What is disclosed is a a damping device, in particular for cable-supported structures such as, e.g., cable-stayed bridges, stadium roofs, guyed towers, comprising a differential cylinder, two hydraulic units, and an electric motor, where...
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JP4450908B2 |
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JP4384586B2 |
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JP2009236214A |
To change an amplification factor of transmission without replacing a cylinder in an inner force sense presenting device using a fluid pressure cylinder.The inner force sense presenting device 1 is provided with: a first cylinder 11 havi...
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JP4341803B2 |
A loop flushing circuit for a hydrostatic transmission module includes a three position, three port pilot pressure operated loop flushing valve having a first inlet port fluidly connected to the first system pressure line, a second inlet...
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JP4322117B2 |
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JP4253761B2 |
Diaphragm valve comprises a chamber expanded by fluid supply into a pipe-shaped button, a valve stem is slightly moved upward by a rod and a shaft to open an outlet of an orifice. Fluid is received in a space between a cap and a diaphrag...
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JP2009058114A |
To provide a device which transmits a delicate change on the operation side to the action side accurately.An operation device 4 is provided in order to release the lock of elastic equipment 5. The operation device 4 sends the oil out to ...
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JP2008542664A |
A passive hydraulic controller is disclosed, in which the volumes V1 and V2 at the two sides of the piston of two or more hydraulic cylinders in each case are connected to one another hydraulically, so that a displacement of the piston i...
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JP4172974B2 |
A hydraulic drive and fluid control system for a mechanism having at least two fluid actuated cylinder includes a bi-directional motor (38)/gear pump (42). A monolithic block manifold (36) has intersecting bores formed therein in which v...
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JP4129190B2 |
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JP2008515521A |
The present invention relates to a method of extracting a flow signal from echographic signals received from a region of interest comprising moving tissues and flowing fluids. The method comprises a step of calculating Doppler signals fr...
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JP2008106899A |
To provide a diaphragm actuator which, as compared with conventional ones, allows easier selection of a biasing member for applying a biasing force to a displacement element regardless of how much the displacement element is displaced.Th...
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JP4056029B2 |
A power tilt device (10), in particular to tilt a marine propulsion unit (5), comprising a cylinder device (12) having a tilt piston (15) provided at one side with a piston rod (18) and dividing said cylinder device (12) into a first cha...
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JP4058346B2 |
The invention relates to a controller for an unbalanced mass adjusting unit in a vibration exciter. Said controller comprises an adjusting piston (3) for changing the relative position of unbalanced masses in the vibration exciter (1) th...
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JP2008504620A |
An apparatus for actuating one or more functions on a remote electronic device comprises one or more button members ( 41 ) provided within a housing having no electronic components, each button member ( 41 ) being associated with at leas...
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JP4044463B2 |
An endoscope shaft (1) has a movable end section (2) with off center armored plastic hose (7) segments (4-7) comprising pressure extended bellows with an external spiral spring, tube or ring support corset
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JP2008501904A |
A system for ensuring that the total force acting on the gear shifting mechanism (3) does not exceed a predetermined value. The force transferred from the gear lever (16) to the gear shifting mechanism receives power assistance from an a...
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JP4015960B2 |
A power steering system includes first and second drain passages connected to the first and second passages, respectively, and first and second passage switching valves arranged at connections of the first and second drain passages and t...
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JP3948048B2 |
To surely supply braking liquid required for controlling by a modulator by means of a liquid pressure pump. Modulators MD1 and MD2 are provided between a master cylinder MC and wheel cylinders Wfr and Wrl, and first and second liquid pre...
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JP2007518939A |
The invention relates to a device for driving movable mechanical components ( 10; 12 a, b), at least two ( 10; 12 a, b) of which are effectively interconnected in such a way that one component ( 10 ) can be driven by means of the other c...
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JP3913399B2 |
To improve performance of an oscillation type hydraulic pressure equipment by providing a simply-configured vane assembled body, which is composed of a rotor shaft and a vane with satisfactory dimensional accuracy and assembling accuracy...
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JP2007506916A |
The invention relates to a control and adjustment system for a lifting mechanism ( 100 ) of a loading blade ( 6 ) in a mobile machine tool. Said lifting mechanism is made up of at least one first and second blade cylinder ( 1, 2 ), at le...
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JP2007506048A |
A hydraulic control and adjustment system for hydraulic consumers in a working machine, consisting of at least one hydraulic cylinder (1) with a moveable piston cylinder (3) which separates the hydraulic cylinder into a piston-sided pres...
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JP3883677B2 |
To make a device simple in constitution, and unselective in work liquid. A ball screw 3 is secured to the output shaft 1a of an power motor 1 via a reduction gear 2, and a nut member 4 threadedly engaged with the screw 3 is fixed to one ...
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JP3877105B2 |
To use a lift in an atmosphere where rain water comes down or flammable gas is generated by synchronously control two hydraulic actuators with a high degree of accuracy with the use of a small-sized and inexpensive arrangement. A hydraul...
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JP3877901B2 |
To eliminate a large arranging space in one place by arranging an engine as a power source, a power generator driven by the engine, and a plurality of electric motors rotated by power supplied from the power generator, and operating each...
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JP2007500314A |
A system and method is disclosed for supplying hydraulic fluid to a lost motion system in an internal combustion engine. The system may comprise a reservoir; a gallery circuit connected to the reservoir, wherein the gallery circuit is ad...
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JP3862256B2 |
A hybrid machine with a hydraulic drive device having hydraulic actuators allowed to operate against and by external loads is provided. To this end, the hybrid machine comprises hydraulic cylinders (7), first hydraulic pumps (P1) connect...
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JP2006523313A |
A lift measurement system is provided for determining a position of a load during a lift operation. The system includes a display that includes a scale and encloses a movable indicator that moves relative to the scale. A linkage is in co...
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JP3816227B2 |
To improve an energy efficiency by controlling pressure, a flow rate, and a flow direction of an operating fluid of an actuator such as a cylinder, without using a pump, a pressure control valve, and a flow rate control valve. This devic...
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JP3807629B2 |
PCT No. PCT/NO96/00023 Sec. 371 Date Nov. 5, 1997 Sec. 102(e) Date Nov. 5, 1997 PCT Filed Feb. 1, 1996 PCT Pub. No. WO96/23996 PCT Pub. Date Aug. 8, 1996A pressure reduction valve for reducing the pressure in double-acting, closed hydrau...
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JP3798882B2 |
To completely prevent the intrusion of foreign matter from the outside even under bad conditions. A driving system is provided with cylinders 1, 2, 3 and a piping passage 4, which connects one out of chamber 30 or 31 of a cylinder 3 to o...
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JP3787397B2 |
To secure required fluid pressure at all times by automatically compensating a fluid pressure circuit for the working fluid pressure loss as required or periodically. A cylinder device 70 for compensating oil pressure loss is provided in...
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JP3748984B2 |
A vessel of a liquid pressure generating apparatus is divided into two vessels of an upper liquid pressure generating vessel containing therein a liquid chamber whose volume can be varied, and a lower medium vessel into which is filled a...
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JP3118864U |
To surely operate a plurality of output cylinders in synchronization. A plurality of piston rods 4 and 4 are provided in parallel with a piston 3 of a hydraulic cylinder 2. The top of the hydraulic cylinder 2, a piston rod 4, 4 of the hy...
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