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JP3746326B2 |
Extending into the control chamber (12) is a tongue (30) enclosed in elastic material. The tongue is movable between a closed position in which it covers the sealing seat, and an open position, in which it frees the sealing seat. The ton...
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JP3742709B2 |
To increase the speed of switching action in a fluid operated valve switching method in which fluid passages are switched from one to another by use of a fluid operated valve such as a pneumatic valve. In a fluid operated valve switching...
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JP2006017719A |
To provide a method for adjusting flows of liquid in a flow channel in various fields including a microcompact fluid element.In the adjusting method, the liquid is introduced into a capillary tube passage (35) which has at least one step...
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JP2006501056A |
High-density microfluidic chips contain plumbing networks with thousands of micromechanical valves and hundreds of individually addressable chambers. These fluidic devices are analogous to electronic integrated circuits fabricated using ...
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JP2005538287A |
The invention makes available methods and devices for handling liquids in micro channel systems by means of bubbles generated by a movable light beam. In particular the devices relate to pumps, valves, mixers and thermal reactors in micr...
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JP3726285B2 |
A microvalve is equipped with an elastic diaphragm that moves vertically by change in pressure, a support substrate that supports said elastic diaphragm, a holding substrate that holds said support substrate, and a valve protrusion provi...
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JP2005532903A |
A laminated flow device comprises a porous material encapsulated within bonding material. The porous material forms a flow path and the bonding material forms an enclosure surrounding the flow path. Micro-components, such as capillaries,...
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JP2005530608A |
The invention relates to hydraulic device produced from one or several components, for example from a support comprising: an operative cavity, at least two ducts, for example an inlet and outlet for a liquid of interest which communicate...
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JP3701065B2 |
To provide a fluid mixing device dispensing with a storage tank between a mixed fluid manufacturing part and a terminal use part and at the same time, capable of analogously and highly precisely controlling a supply flow rate across the ...
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JP2005230816A |
To provide a platform and a method for processing a liquid having wettability even if the liquid may exist in only a quantity of microliter range.The microstructured platform has a hollow chamber, a capillary for transferring the liquid ...
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JP2005522162A |
The invention describes devices for performing thermodynamic work on a fluid, such as pumps (340), compressors and fans. The thermodynamic work may be used to provide a driving force for moving the fluid. Work performed on the fluid may ...
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JP2005186265A |
To provide a system to fabricate and actuate microstructure created from various layers adhered by an ON/OFF valve, a switch valve, and a pump.A method of fabricating an elastomeric structure, comprises : a process where a first micromac...
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JP2005181295A |
To provide a micro fluid apparatus for carrying a liquid by capillary force.The micro fluid apparatus is provided with a micro fluid channel system having a first channel having one liquid supplying compartment and at least one non-enclo...
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JP2005139901A |
To provide a circuit changeover switch having a drive device which does not cause breakage of a pump chamber or a seal due to thermal expansion of operation fluid.The circuit changeover switch 60 including the drive device 10 includes ce...
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JP2005140333A |
To provide a patterning device that can be attached and detached easily and quickly.This patterning device is a microfluidic structure comprising an electrostatic sealing device. The electrostatic sealing device is provided with a first ...
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JP3650859B2 |
To obtain the breaking and opening unit which is reduced in dead volume and also reduced in volume and weight by slanting a surface, where a valve actuator on the front end side of a valve main body is fitted, forward. Of the top surface...
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JP2005121209A |
To provide a fluid passage switching element which materializes an in-fluid free moving body with high kinetic performance, an in-fluid free moving body and an attitude control method of the in-fluid free moving body.Output ports 23a, 23...
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JP3644725B2 |
PURPOSE: To avoid the well-known defect of a waste boiler by providing a tubular exchanger system of boiler with a reformed temperature controller. CONSTITUTION: This waste heat boiler for cooling a hot process stream is equipped with a ...
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JP2005096866A |
To provide a liquid reserving microstructured device allowing extraction of a small amount of liquid by enabling spaces to be arranged and structured as freely as possible without requiring use of any special container for direct preserv...
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JP2005096072A |
To provide an elastomer valve structure capable of being thinned, being operated with small force and being comparatively easily manufactured as compared with a silicon substrate process, and a pumping system using the structure.A second...
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JP2005509113A |
A pneumatic valve for use in laminated plastic microfluidic structures. This zero or low dead volume valve allows flow through microfluidic channels for use in mixing, dilution, particulate suspension and other techniques necessary for f...
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JP3628611B2 |
To easily control a flow of a fluid in a micro-system without using complicated valve structure. A substance having a property of sol-gel transition by stimulation is added to the fluid flowing in a micro-passage of the micro-system, the...
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JP2005504939A |
A micro valve and a method for setting or actuating a micro valve for use in fluidic applications includes cooling an array of actuating members made of Shape Memory Alloy (SMA) material. The SMA material is cooled to a temperature equal...
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JP2005030593A |
To provide a flow control valve high-precisely controlling a flow rate and capable of being decreased in size and a flow control valve device using the device.A current to a coupling part 105a flows to a coupling part 105b through a lowe...
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JP2005503180A |
A backload-responsive fluidic switch having high pressure recovery of more than 50% comprises a body member with a power nozzle having a width W and a centerline CL which is adapted to be coupled to a source of fluid under pressure for i...
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JP2005003200A |
To provide a micro actuator manufacturable at a low cost and enabling micro driving with low voltage and low noises to efficiently control a flow rate.This micro actuator comprises a first plate 110 in which a micro flow passage 111 is f...
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JP2004536699A |
A method and apparatus are disclosed for controlling a flow rate of a fluid sample having an unknown or variable viscosity. The fluid sample is provided as a first fluid flow to a microfluidic channel. A second fluid is provided to the c...
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JP2004324886A |
To provide a flow control valve device and its manufacturing method, and a heat exchanging device using the same.The flow control valve device comprises a flow duct 120 consisting of an upper flow duct and a lower flow duct for guiding f...
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JP2004534184A |
The technical field of the invention is that of microactuators designed for mechanical, chemical, electrical or thermal functions in microsystems, for microelectronic applications such as chips, or biomedical applications such as cards i...
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JP2004278785A |
To provide a micro fluid control device and a flow regulating method in which a diaphragm displacement condition can be maintained, a structure can be simplified, and damages in regulating the flow rate can be prevented.A micro fluid con...
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JP3569400B2 |
To improve the responsiveness in controlling the flow rate by making a control so that the regulation of the passing degree of opening by a regulating means and the operation by an operating means. A control circuit is provided with a st...
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JP3561522B2 |
A transducer which provides a regulated pneumatic output as a function of an electric control input includes a housing, a gas regulator, and a particle trap. The housing has a passage therein, the passage including an inlet for receiving...
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JP2004526578A |
A method of fabricating an elastomeric structure, comprising: forming a first elastomeric layer on top of a first micromachined mold, the first micromachined mold having a first raised protrusion which forms a first recess extending alon...
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JP3557087B2 |
To provide a mass flow controller flow rate detecting system in which the flow rate measuring efficiency of the mass flow controller can be improved. This mass flow controller flow rate testing system is provided with a plurality of proc...
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JP2004232769A |
To solve the problems of being unable to obtain sufficient output since pressure/speed of steam jetting from a turbine nozzle are small, and being large in steam specific consumption in a conventional technology.A spindle is inserted int...
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JP2004225699A |
To provide a process flow control circuit for automatically maintaining a fixed fluid flow by monitoring the power and pressure difference of a fluid transport apparatus in a fluid velocity control mechanism for a fluid velocity circuit ...
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JP2004225788A |
To provide a micro-check valve of simple structure that can be manufactured without requiring a fine and expensive laminating device.This device comprises a valve chamber 4 having an inflow port 6 and an outflow port 7. A valve element 5...
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JP2004211898A |
To provide an actuator containing a pneumatic expansion type elastomer membrane, laminated on a printed circuit substrate and pressurized and decompressed by utilizing an electrostatically driven flap valve.The flap valve obtains a high ...
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JP3548858B2 |
To provide a new method capable of controlling the flow rate of a fine passage by utilizing the physical property of fluid itself flowing through the passage without using a mechanical element or a special material. A fine passage is clo...
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JP2004521315A |
The movement and mixing of microdroplets through microchannels is described employing microscale devices, comprising microdroplet transport channels, reaction regions, electrophoresis modules, and radiation detectors. Microdroplets are m...
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JP3535831B2 |
The present disclosure describes a Parylene micro check valve including a micromachined silicon valve seat with a roughened top surface to which a membrane cap is anchored by twist-up tethers. The micro check valve is found to exhibit lo...
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JP2004152218A |
To provide a microsystem capable of setting the amount of stimulus applied for controlling the flow of a liquid in a passage to a suitable value.This microsystem is provided with micro-heaters 5b and 5c for applying stimulus to the liqui...
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JP3529918B2 |
To provide both a gas metering valve capable of simultaneously sealing a gas of a desired volume under a desired pressure in each valve element and simultaneously releasing the gas from each valve element to the outside thereof after the...
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JP2004514855A |
This invention concerns a valve ( 2 ), with at least one channel ( 3 ) running through it, allowing a fluid (F 3 ) to be directed by transfer means within a device ( 1 ), the device ( 1 ) featuring at least one face ( 4 ), possibly flat,...
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JP2004138111A |
To provide a valve device in which a liquid is not leaked even when a pressure is raised, and which has an easy manufacture, excellent durability, easy and accurate control, a wide dynamic range, a fast response and a small pulsation and...
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JP3524593B2 |
PURPOSE: To provide a fluid pressure reducing device which can make a fluid of constant pressure flow out regardless of pressure fluctuation with a simple structure. CONSTITUTION: A fluid pressure reducing device is constituted by formin...
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JP2004509335A |
Microfluidic devices and methods are provided for enhancing detection of a diffusion pattern formed by particles diffusing between at least two fluid streams in parallel laminar flow such that an interface is formed between them by incre...
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JP2004508952A |
A MEMS (Micro Electro Mechanical System) valve device driven by electrostatic forces is provided. This valve device can provide for fast actuation, large valve force and large displacements while utilizing minimal power. The MEMS valve d...
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JP2004506146A |
A method of controlling fluid flow within a microfluidic circuit using external valves and pumps connected to the circuit is disclosed. The external valves and pumps, which are not a part of the microfluidic substrate, control fluid pump...
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JP2004033919A |
To provide a micro fluid control mechanism the whole configuration of which is made compact, and also to provide a microchip using the same.The micro fluid control mechanism has at least one or more first micro fluid paths having both en...
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