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WO/1999/034269A1 |
A system for separating a liquid and a gas comprises a separation vessel (30) with an inlet (28) for the gas/liquid mixture. Outlets (40, 42) for the fluids are disposed at different heights in the vessel. The outlets are controlled by t...
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WO/1999/032827A1 |
A flow controller (5) for supplying air to a combustor and a combustor incorporating the same are disclosed. The flow controller comprising a conduit (6, 7, 8) and a control port (9), the conduit including a main section (8) dividing int...
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WO/1999/031419A1 |
An open/close valve construction for use in solid-state fluid transport circuits having discrete fluid passageways (12a, 13a, 20) formed in rigid substrates (53, 56, 57) with a substrate land (58) between port regions of the fluid passag...
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WO/1999/026457A1 |
Briefly described, the present invention is concerned with cooling heating bodies and/or heated fluid with synthetic jet actuators (10) in either open or closed systems. A first preferred embodiment of a cooling system of the present inv...
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WO/1999/024744A1 |
A micromachined fluid handling device (600) includes a valve (138) made of reinforced parylene. A heater (440) heats a fluid to expand a thermopneumatic fluid (442). The heater (440) is formed on unsupported silicon nitride to provide a ...
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WO/1999/023437A1 |
The invention relates to an element with a microscopic surface pattern comprised of hydrophilic strips (4) and hydrophobic areas (6). Said hydrophobic areas are situated between said hydrophilic strips (4). The distances (c) between hydr...
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WO/1999/020906A1 |
The inventive coupling for microcomponents consists of several essentially plane parallel plates (1) with line connections (4) for delivering and discharging liquid or gaseous components. Said line connections (4) are mounted on a connec...
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WO/1999/020905A1 |
The invention concerns a fluid oscillator symmetrical relative to a longitudinal symmetry plane (P), comprising, an opening (22) for the fluid to penetrate into a chamber (24) called oscillation chamber in the form of a two-dimensional f...
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WO/1999/017749A1 |
A micro-valve (10) for fluid applications has been developed using the micro-fabrication technologies of bulk micro-machining, and LIGA high aspect ratio machining. Coupled with a magnetic micro-actuator (32), the operation of this micro...
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WO/1999/017093A1 |
The movement and mixing of microdroplets through microchannels is described employing microscale device. Sample and reagent are injected into the device through entry ports (A) and they are transported as discrete droplets through channe...
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WO/1999/016096A1 |
A MEMS actuator is provided that produces significant forces and displacements while consumming a reasonable amount of power. The MEMS actuator includes a microelectronic substrate, spaced apart supports on the substrate and a metallic a...
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WO/1999/001688A1 |
Thermal microvalves and their method of use include a fusible material (40) positioned in a microchannel (44). A heater (42) melts the material (40) which is then forced by air pressure (46) into a second channel (48) where it cools and ...
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WO/1998/053236A1 |
A thermopneumatic valve comprises a fluid channel plate (30) defining a fluid port. A diaphragm plate (28) is attached to the fluid channel plate. The diaphragm plate includes a displaceable diaphragm (44) to selectively obstruct the flu...
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WO/1998/051929A1 |
The invention relates to a micromembrane pump comprising a pump membrane (110; 122) which can be moved into a first and a second position by means of a drive device (100; 120) and a pump body (102; 104; 104') connected to said pump membr...
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WO/1998/051928A1 |
The invention relates to a method for producing a pump body comprising an inlet having an inlet valve (106) and an outlet having an outlet valve (108). According to said method, the first step is for a first main surface each of a first ...
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WO/1998/050694A1 |
A fluidic ball diverter valve for use in aerospace applications for diverting the output of a fluidic amplifier (100) comprises a valve chamber having an inlet (98) and two outlets (82, 82). The orientation of the outlet valve seats (106...
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WO/1998/036847A1 |
A fluidic oscillator and method in which a first molded portion (30) comprises a first part having an oscillator circuit silhouette formed in one surface. The oscillator circuit silhouette has a power nozzle (15'), an oscillation chamber...
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WO/1998/037397A1 |
A device (10) for mixing an aspirated fluid slug (40) includes a mounting frame (20) having a first and a second mounting plate (16, 18). A piezo-ceramic disk (12) is sandwiched between the two O-rings seals (14), which, in turn, are san...
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WO/1998/033001A1 |
A method for producing a microfluidic coupler includes the step of producing a first mask on a top surface of a wafer (10). The first mask defines an insertion channel pattern selected to correspond to the cross-sectional shape of a capi...
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WO/1998/032616A1 |
A valve (100) where the valve membrane is made from silicone rubber (118). Preferably the valve is a microelectromechanical systems (MEMS) thermopneumatic valve. Because of the advantageous physical properties of silicone rubber, the val...
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WO/1998/025065A1 |
Apparatus comprising a micro engineered structure and a capillary or other small bore tube and a method for connecting the tube to the structure. The micro engineered structure is composed of at least one substrate (2) in which fluid flo...
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WO/1998/023869A1 |
A microvalve comprising a micromechanically structured chip defining a valve seat (87) with a through-flow opening (88), an elastic suspension device (86) and a border area (89). Also included is valve plate (92) which is connected to th...
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WO/1998/023868A1 |
The invention relates to a microvalve which has a base body (34) with a passage opening (30), a tappet (14), a suspension device (12), through which the tappet (14) can be guided with relation to the base body (34) in such a way that the...
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WO/1998/022719A1 |
The invention concerns a miniature valve for filling the reservoir of an apparatus for the transdermal administration of a medicine comprising a) a substrate (1), b) a fuel charge (5) arranged on the substrate (1) opposite the passage to...
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WO/1998/020288A1 |
Fluidic devices, including constant-rotation double diodes (168) and constant-rotation double vortex tubes (168), are disclosed with which to construct pulse tube refrigerators (701) having diode loops (788), constant-rotation double dio...
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WO/1998/014707A1 |
The invention concerns a micro-machined device (10) for fluids comprising a substrate (12) with a flow conduit (14), a thin ductile layer (18) such as a pumping diaphragm or a diaphragm forming a check-valve. The thin layer (18) is a lam...
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WO/1998/013605A2 |
Integrated, electrically operable micro-valves are formed to control fluid flow and pressure. These valves convert electrical energy to mechanical energy through an energy conversion device (120) having a sealed cavity (100) with a flexi...
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WO/1998/010870A1 |
A two-stage liquid spray device having an outlet region with an island (41) and an exit aperture (47) and a fluidic oscillator (33) driving said outlet region. The improvement for the spray device is operable at a low pressure to achieve...
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WO/1998/007019A1 |
The invention provides microvalves for controlling fluid flow from microreservoirs into transfer channels using capillary valving mechanisms. This invention provides microvalving means for use in apparatus useful for performing microanal...
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WO/1998/005871A1 |
The valve arrangement comprises two silicon wafers placed on top of each other. The downstream wafer contains a majority of etched through openings (6). The upstream wafer (3) is equipped with a majority a swing valves (7). The latter ar...
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WO/1997/049926A2 |
A microvalve incorporating the invention includes a valve plate with a planar base and an extending pedestal, the pedestal having an upper valve surface. The planar base is enclosed by a rim which creates a valve recess between the rim a...
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WO/1997/046820A1 |
A microvalve comprises a valve housing (20, 24) defining an interior space, a fluid entrance (14) and a fluid exit (15), a selectively energizable magnet (21), an armature (10) disposed within the interior space of the housing and moveab...
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WO/1997/047013A1 |
A device and method for controlling small flows of gas for satellite orientation thrusters comprises a photoetched silicon body (10) etched to provide one or more particular flow paths, and optionally filters, wherein the flow path is de...
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WO/1997/045663A1 |
A bimorph piezoelectric flapper element (12) is mounted by one end in a valve casing (11) so that it extends into a valve chamber (10) as a cantilever. It tapers to the unsupported end on which a fluorosilicone blocking plate (16) is mou...
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WO/1997/045644A1 |
This invention provides a valveless method and apparatus for high speed switching of liquid flow between intersecting michrochannels. Liquid flow is controlled by manipulating external driving pressures. The switch comprises threee inter...
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WO/1997/044132A1 |
A housing for a (silicon) micromachined body (22) (for instance an injector valve system, a detector or a stream selector for a gas chromatograph instrument) is field assemblable and disassemblable and mechanically self-aligning so that ...
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WO/1997/044138A1 |
A zero sack volume fluid flow regulator generates upstream turbulence for control of fluid flow, fluid spray distribution and fluid droplet size. The fluid flow regulator includes a seal layer (5) for selectively controlling fluid flow. ...
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WO/1997/040292A1 |
A variator assembly comprises a variator of the toroidal-race rolling-traction type using double-acting pistons to control the rollers and differential end load pressure to load the variator, and control means operative to vary the diffe...
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WO/1997/039830A1 |
A vehicle nozzle system having a source of washer liquid (14) under pressure, a fluidic oscillator (11) comprising a housing and a fluidic insert having a power nozzle, an oscillation chamber (oc) having an upstream end (pn) coupled to t...
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WO/1997/034697A1 |
Described is a device designed for encapsulating a sensitive material and capable of being produced by microminiaturization methods. The device includes a main body (1, 4), manufactured using microminiaturization techniques, with a reces...
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WO/1997/035116A1 |
The invention relates to a fluidic oscillator (20) which is symmetrical with respective to a longitudinal symmetry plane (P), comprising a fluid inlet (22) intended to form a bidimensional fluid jet which oscillates transversally with re...
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WO/1997/033094A1 |
A micro-machined membrane valve including a substrate (34, 44, 54) with a through-hole (35, 45, 55) and a flexible membrane (43, 42, 52) covering the through-hole in such a way that a liquid is allowed to flow therethrough when the fluid...
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WO/1997/029538A1 |
The invention concerns a bistable electrostatic actuator with pneumatic or liquid coupling. The electrostatic membrane actuator has enclosed metallic electrodes (21, 22; 23). It can be used for a microvalve or a micropump. Said actuator ...
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WO/1997/028376A1 |
An actuator and a method of controlling the actuator are disclosed. In one embodiment, the actuator is a valve (18) comprising a first port (26) and a second port (28) fluidly connected with the first port such that fluid communicates be...
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WO/1997/028375A1 |
A monitoring and control device for alternately supplying a fluid to a plurality of receiving members (2) is disclosed. The device includes at least two flow control members (4, 6) in mutual fluid communication, and is characterised in t...
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WO/1997/027324A1 |
The invention provides a cassette (100) for conducting reactions therein comprising one or more fluid exchange channels (141), a supply chamber (150), a reaction chamber (160) and a waste chamber (170).
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WO/1997/022824A1 |
The invention relates to a fluid valve, in particular for switching or controlling relatively large volume flows, preferably using a piezoelectric drive. The object of the invention, to develop a valve of this kind, is attained in that t...
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WO/1997/022825A1 |
A microfluidic delivery system (20) and microfluidic system (100) control flows of a liquid or a gas through elongated capillaries (62, 126) that are enclosed along at least one surface by a layer (42, 114) of a malleable material. An el...
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WO/1997/021930A1 |
A microvalve for regulating a fluid flow has a valve base body (10) with a valve opening (12; 40) and a sealing edge, and a valve plate (14) with fluid passages (16; 60). The valve plate (14) is movable in the perpendicular direction in ...
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WO/1997/021090A1 |
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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