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JP4369373B2 |
A freeze-thaw valve is provided using a Peltier heat pump where the thermal short-circuit path between a cooled thermal mass and a heated thermal mass is reduced or absent and the valve state transition time is minimized. The freeze-thaw...
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JP4340926B2 |
A miniature electrofluidic module is disclosed, for receiving one or more fluids and for receiving an electrical connection. In accordance with one aspect of the invention, the module includes a substantially flat fluidic manifold layer ...
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JP2009216141A |
To provide a small fluid diode capable of being easily formed to obtain high efficiency.With respect to a second chamber 110 on the upstream side, a second chamber 110F is provided having a nozzle 110a opening to an offset position. Thus...
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JP4323743B2 |
The invention relates to a method of controlling flow of liquids in a micro channel structure. It comprises providing in said micro channel structure plugs ( 34 ) of polymer material in said structure, said polymer material in a first st...
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JP4322117B2 |
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JP4314338B2 |
A coupling for microcomponents has several essentially plane-parallel plates with line connections for delivering and discharging liquid or gaseous components. The line connections are mounted on a connection block which protrudes throug...
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JP4248238B2 |
The present invention relates to microfluidic systems, including valves and pumps for microfluidic systems. The valves of the invention include check valves such as diaphragm valves and flap valves. Other valves of the invention include ...
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JP2009034814A |
To provide an elastomer valve structure capable of being formed in a lower profile, operable with small force, and relatively easier to manufacture than a silicon substrate process, and to provide a pumping system using the same.A second...
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JP4216470B2 |
An open/close valve construction for use in solid-state fluid transport circuits having discrete fluid passageways formed in rigid substrates with a substrate land between port regions of the fluid passageways. The valve construction com...
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JP4206732B2 |
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JP4199127B2 |
A valve (105) controls fluid flow in a microfluidic system (100). The valve (105) has an input port adapted to receive fluid exerting a predetermined level of pressure on the valve (105) and an output port. The valve (105) has a variable...
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JP4143984B2 |
A genus of integrated valves having an integrated actuator with a thin, flexible membrane formed of silicon driven by pressure of a fluid trapped in a cavity formed by bonding a first and second die. The cavity has a resistor formed ther...
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JP4136969B2 |
A fluid delivery device is provided which comprises a microchannel device for cutting out a certain amount of a sample from a micorochannel by controlling a valve opening. The fluid delivery device has a valve for controlling a flow of a...
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JP4122333B2 |
A fluidic insert that receives fluid under pressure from a fluid inlet tube and generates a specified spatial distribution of the fluid exiting the insert includes: (1) a body member having top, bottom, front and rear outer surfaces, (2)...
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JP4119671B2 |
To provide a flow passage built-in pedestal capable of being cooled without taking out hot fluid to the outside thereof. In this flow passage built-in pedestal formed by connecting a pipe side plate 2 having a groove 8 to an equipment si...
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JP4113673B2 |
An electrostatic actuator device and method for actuating the device. The device includes a pair of actuator plates having electrodes for conducting a voltage potential thereto and at least one of the pair being movable with respect to t...
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JP4114087B2 |
A miniature valve for filling the reservoir of an apparatus for the transdermal administration of a medicine including a) a substrate, b) a fuel charge arranged on the substrate opposite the passage to be opened through it, and c) an ele...
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JP4096721B2 |
To provide a piezoelectric actuator that is capable of giving sufficient deformation amount even when an area of electrodes arranged between stacked piezoelectric sheets is made smaller, and that has good energy efficiency and a fluid tr...
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JP2008508485A |
In a method of controlling an actuator of a microvalve, a controller is provided for supplying a voltage to the actuator. The controller provides an initial voltage to the actuator which is effective to actuate the microvalve. Then, the ...
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JP4065043B2 |
A bistable valve (10,30) useful for paper handling applications is disclosed. The valve (10,30) can be batch fabricated in two dimensional valve arrays, with each valve in the array being controlled by passive matrix addressing. Typicall...
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JP2008502462A |
A valve for controlling fluid flow in a microfluidic device is provided. The valve comprises a chamber ( 26 ) formed on a substrate ( 24 ), a heating coil ( 42 ), and a valve material ( 30 ) contained in the chamber ( 26 ). When the valv...
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JP2007303659A |
To provide a micro solenoid valve having quick changeover operation. The micro solenoid valve comprises a cylinder 1 having ports in an axial intermediate portion and at both axial ends, a plunger 2 stored in the cylinder so as to be rec...
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JP4003218B2 |
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JP2007528001A |
The invention relates first of all to a method for manufacturing a pressure vessel of a pressurized-water reactor of a nuclear power station, which pressure vessel comprises a pressure resistant casing and which is being used filled with...
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JP3977991B2 |
A molded fluidic device having a power nozzle with a width W and a coupling passage coupling a source of fluid to said power nozzle. The coupling passage has a planar enlargement and a plurality of posts spaced across the enlargement, th...
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JP3970226B2 |
To provide a liquid transport device capable of freely maintaining a valve in a closed state and an open state stably in such a state that an external force is not applied. The liquid transport device is provided with passages 8-10, a va...
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JP3949056B2 |
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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JP2007519531A |
A pyrotechnic microsystem (7) comprises a substrate with at least two distinct electrical initiation zones of a pyrotechnic material deposited on it. The same deposit (721) covers both zones and is sufficiently thin (less than 100 mu m) ...
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JP3941885B2 |
This invention provides a valveless method and apparatus for high speed switching of liquid flow between intersecting microchannels. Liquid flow is controlled by manipulating external driving pressures. The switch comprises three interse...
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JP2007516062A |
The valve, positioned between two volumes, has a microporous membrane (16) with its surface covered at least partially by one or more electro-active polymers, located within the pores of the membrane so that it blocks the pores when in a...
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JP3930910B2 |
A vehicle washer nozzle liquid spray system having a source of washer liquid under pressure, a fluidic oscillator comprising a housing and a fluidic insert having a power nozzle, an oscillation chamber having an upstream end coupled to t...
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JP2007512489A |
A device is disclosed for controlling a variable displacement compressor. The device comprises a microvalve operated control valve. A microvalve device for controlling fluid flow and a micro spool valve for use as a microvalve are also d...
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JP2007512468A |
The micro-pump has a flexible membrane (6) that deforms when it contacts a conducting layer (3) and when a control circuit (V) applies a voltage. The volume of air pocket located between the membrane and the layer decreases when the memb...
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JP2007509286A |
A method for achieving high flow in valves with small actuation distance is described. A detailed description for a silicon microvalve is provided. An algorithm is described for designing optimized valves.
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JP3881518B2 |
A fluidic oscillator includes a member having an oscillation inducing chamber, at least one source of fluid under pressure, at least a pair of power nozzles connected to the at least one source of fluid under pressure for projecting at l...
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JP2007502418A |
Designs and methods for the manufacture of trace fluid valves are presented using basic physical discussions and multi-layer flexible lithography. Specific examples of valves according to the present invention are gist of an elastomeric ...
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JP2007501364A |
The invention provides a microfluidic valve comprising a first body for containing fluid having a fluid inlet and a fluid outlet and a plurality of electrodes, and arranged to contain, in use, a second body held within fluid contained in...
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JP2006315174A |
To provide an elastomer valve structure constructed thin and operating with a minor force and to be fabricated easily compared with processing a silicon substrate, and also to provide a pumping system using the elastomer valve structure....
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JP2006247830A |
To provide an elastomer valve structure capable of being made to thin thickness, being operated by small force and being relatively easily manufactured as compared with a silicon substrate process, and a pumping system using it.A second ...
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JP3816020B2 |
To enhance maintainability and handling property of an interlocking valve comprising a main valve unit to switch a working fluid and an OR circuit unit with a plurality of shuttle valves combined with each other. The interlocking valve V...
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JP2006518851A |
A microfluidics system comprising a channel having an inlet (32) and an outlet (38); a first membrane (31) positioned between the inlet (32) and outlet (38) and comprising an aperture having a radius within the range 0.1 to 50 μm, the i...
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JP3803386B2 |
This invention relates to methods and apparatus for performing microanalytic and microsynthetic analyses and procedures. The invention provides a microsystem platform and a micromanipulation device for manipulating the platform that util...
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JP3798011B2 |
The present invention is a method of moving a fluid in a capillary using a capillary chip having a layer including a polymer composition and a capillary formed on the surface or inside of the aforementioned layer including a polymer comp...
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JP3791262B2 |
To provide micromachining sensor module mounting structure capable of further miniaturize a micromachining sensor module and its manufacturing method. In this micromachining sensor module mounting structure comprising a microvalve 1 to c...
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JP3786421B2 |
The micro flow line is taken through a channel (7) etched into a substrate (1) and past an array of micro capillaries where the fluid forms a pattern of micro meniscuses (6), with the fluid contained in the duct via the surface tension i...
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JP2006515432A |
The present invention describes a method for fabricating micro-devices comprising aluminumoxide structures without the need for an extra lithographical processing step. So, no extra mask is needed. It appears that under certain circumsta...
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JP2006513857A |
The use of microfluidic structures enables high throughput screening of protein crystallization. In one embodiment, an integrated combinatoric mixing chip allows for precise metering of reagents to rapidly create a large number of potent...
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JP2006511762A |
Microfluidic devices including microball valves are provided. This microball valve may prevent or interrupt fluid flowing through the microfluidic device. The microfluidic device may include a substrate layer and a microfluidic path incl...
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JP3763045B2 |
To easily take out a shuttle valve in a repair or a check of the shuttle valve without removing any multiple connection type direction switching valve from hydraulic drive equipment or removing any pipeline from a cylinder port. A pressu...
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JP2006055837A |
To provide a device for modulating the flow of a liquid in a flow passage, which is used in various fields including a microfluidic device.This flow modulation device includes a flow modulation pathway (10) having a hydrophobic region (5...
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