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Matches 451 - 500 out of 1,739

Document Document Title
WO2003072486A3
Microelectromechanical (MEMS) devices that use MEMS electromagnetic actuators to selectively generate displacement forces and methods of fabrication are disclosed herein. According to one exemplary embodiment disclosed herein, a MEMS dev...  
WO2003075441A3
A resonant electrical generation system (10) includes a resonator (14), an energy source (18), and an electrical generator (22). The resonator (14) provides resonating movement in a resonating element. The resonator (14) can include a ma...  
WO/2004/042306A2
A method of controlling temperature of a heat source in contact with a heat exchanging surface of a heat exchanger, wherein the heat exchanging surface is substantially aligned along a plane. The method comprises channeling a first tempe...  
WO/2004/042297A2
A heat exchanger and method of manufacturing thereof comprises an interface layer (102) for cooling a heat source. The interface layer is coupled to the heat source and is configured to pass fluid therethrough. The heat exchanger further...  
WO/2004/042313A1
A heat exchanger apparatus and method of manufacturing comprising: an interface layer (102) for cooling a heat source and configured to pass fluid therethrough, the interface layer having an appropriate thermal conductivity and a manifol...  
WO/2004/042305A2
A device, method, and system for a fluid cooled micro-scaled heat exchanger is disclosed. The fluid cooled micro-scaled heat exchanger utilizes a micro-scaled region and a spreader region with specific materials and ranges of dimensions,...  
WO/2004/042303A2
A microchannel heat exchanger coupled to a heat source and configured for cooling the heat source comprising a first set of fingers for providing fluid at a first temperature to a heat exchange region, wherein fluid in the heat exchange ...  
WO/2004/042302A2
A device, method, and system for a fluid cooled channeled heat exchange device is disclosed. The fluid cooled channeled heat exchange device utilizes fluid circulated through a channel heat exchanger for high heat dissipation and transfe...  
WO/2004/042304A2
A method and apparatus for cooling a heat source configured along a plane. The heat exchanger comprising an interface layer (102) that perform thermal exchange with the heat source and configured to pass fluid from a first side to a seco...  
WO2004007080A3
Liquid flow devices, particularly microfluidic devices, containing solid porous materials. Flow in the devices can be pressure-driven flow and/or electroosmotic flow. The porous materials are preferably pre-shaped, for example divided fr...  
WO/2004/036136A1
Apparatus and methods according to the present invention preferably utilize electroosmotic pumps (300) that are capable of generating high pressure and flow without moving mechanical parts and the associated generation of unacceptable el...  
WO/2004/036040A1
An electroosmotic pump (300) has a porous structure (302) adapted to pump fluid through fluid channels (304, 305). The porous structure has a first side (308) and a second side (306) between which are provided the fluid channels (304, 30...  
WO/2004/036041A2
Electrokinetic devices, including electrokinetic pumps, include a conduit and first and second electrodes adjacent to respective ends of the conduit. The electrodes together constitute a capacitive electrode pair. The electrodes can be c...  
WO2002068821A9
Devices and methods utilizing dielectric pumping and variable dieletric pumping to move fluids through microchannels. Two fluids having dissamilar dielectric constants form an interface that is positioned between two electrodes in order ...  
WO2003045556A3
An active matrix microfluidic platform employs thin film transistor active ("TFT") matrix liquid crystal display technology to manipulate small samples of fluid for chemical, biochemical, or biological assays without moving parts, for ex...  
WO/2004/029457A1
The invention relates to membrane pumps for delivering liquids. More specifically, a pump is provided having a pump housing with a pump cavity formed between first and second wall portions thereof, and an pump membrane pump membrane havi...  
WO2003093674A3
Electroosmotic flow systems containing two or more electroosmotic flow elements (1, 2) which meet at a junction (9). The electroosmotic flow elements (1, 2) may contain porous materials (14, 24) whose terminal portions (11, 12, 21, 22) a...  
WO/2004/027262A2
An electrokinetic pump for pumping a liquid includes a pumping body having a plurality of narrow, short and straight pore apertures for channeling the liquid through the body. A pair of electrodes for applying a voltage differential are ...  
WO/2004/020823A1
Disclosed is a hydraulic pump comprising an independent drive unit which is composed of at least two opposite coaxial pump blocks (12, 13) that are fixed to a housing (1). A piston (8) of the first pump block (12) is connected in a fixed...  
WO2002068821A3
Devices and methods utilizing dielectric pumping and variable dieletric pumping to move fluids through microchannels. Two fluids having dissamilar dielectric constants form an interface that is positioned between two electrodes in order ...  
WO2003066684A3
A composition, method and use is disclosed for a porous plug that functions as an electro-osmotic pump. The polymer eliminates any back pressure effects while enhancing the electro-osmotic flow in a channel. The pump is bach fabricated b...  
WO/2004/016948A1
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...  
WO/2004/012848A2
The invention is related to methods and apparatus that manipulate droplets in a microfluidic environment. Advantageously, embodiments of the invention manipulate droplets (108, 208) by controlling the electro-wetting characteristics of a...  
WO/2004/011763A2
A mechanical bladder pump (10) is provided for collecting fluid samples from a well (12). The pump (10) includes an outer tubular member (13) having a longitudinal bore, and an inner tubular member (14) arranged within the bore of the ou...  
WO2003072926A3
A micro-pump (14) for fuel injection includes a housing (28), a pressure regulator (32), a combustible liquid inlet conduit (41) in fluid communication with the pressure regulator, and a drop ejector (30) on the housing and in fluid comm...  
WO/2004/007080A2
Liquid flow devices, particularly microfluidic devices, containing solid porous materials. Flow in the devices can be pressure-driven flow and/or electroosmotic flow. The porous materials are preferably pre-shaped, for example divided fr...  
WO2003089789A3
Apparatuses and methods for pumping fluid are disclosed. An exemplary apparatus is a miniature pump that includes a shape memory wire (128) that obtains a plastic condition below a transformation temperature and has a memorized shape suc...  
WO/2004/002878A2
Electrochemical actuation is adopted in an integrated microfluidic chip to transfer fluid for sample preparation, separation and detection. The electrochemical actuation is capable of producing high pressure for on-chip fluidic handling....  
WO/2004/001944A1
An electrohydrodynamic conduction liquid pumping system includes a vessel configured to contain a liquid or a liquid/vapor therein. This vessel can be of a elongate conduit configuration, an elongate channel configuration or a liquid enc...  
WO/2004/000721A2
The present invention provides microfluidic devices comprising elastomeric components and solid substrate component for attaching ligands and methods for conducting a variety of assays and high throughput screening. The elastomeric compo...  
WO/2003/095844A1
A steam pump comprising an evaporator and a riser. An interrupter vessel (2) is provided and is connected to the evaporator (1) via at least one connecting line (3). A first opening (41) of the riser (4) when seen in the position of use ...  
WO/2003/093674A2
Electroosmotic flow systems containing two or more electroosmotic flow elements (1, 2) which meet at a junction (9). The electroosmotic flow elements (1, 2) may contain porous materials (14, 24) whose terminal portions (11, 12, 21, 22) a...  
WO2003064857A3
A compressor for providing automatic capacity modulation is disclosed. The compressor comprises a compression chamber (332), a compressing member (336), a reexpansion area (334), a flow passage (354), a valve member (356), and a biasing ...  
WO/2003/089789A2
Apparatuses and methods for pumping fluid are disclosed. An exemplary apparatus is a miniature pump that includes a shape memory wire (128) that obtains a plastic condition below a transformation temperature and has a memorized shape suc...  
WO/2003/084658A1
An electro-kinetic air conditioner for removing particulate from the air creates an airflow using no moving parts. The conditioner includes an ion generator (300) that has an electrode assembly including a first array of emitter electrod...  
WO2003048389A3
Test apparatus includes sample receiving means operable to receive a sample to be tested, sample manipulating means operable to manipulate a received sample, reagent receiving means operable to add to the received sample a reagent and re...  
WO/2003/076052A1
Methods and systems that employ hybrid fluid flow profiles for optimized movement of materials through channel networks. These systems employ hybrid pressure-based and electrokinetic based flow systems for moving materials through interc...  
WO/2003/074851A1
The invention relates to a device for transporting fluids, comprising an internal combustion engine, preferably having symmetric free floating step pistons. In order to transport liquid in a reliable manner and with a high flow rate, the...  
WO/2003/075441A2
A resonant electrical generation system (10) includes a resonator (14), an energy source (18), and an electrical generator (22). The resonator (14) provides resonating movement in a resonating element. The resonator (14) can include a ma...  
WO/2003/072881A1
The invention solves the technical problem by building up a system of pipes or hoses disposed upon the basic transmission wheel that does not allow loss of the already lifted liquid. The continual filling of the hoses with liquid and its...  
WO/2003/072926A2
A micro-pump (14) for fuel injection includes a housing (28), a pressure regulator (32), a combustible liquid inlet conduit (41) in fluid communication with the pressure regulator, and a drop ejector (30) on the housing and in fluid comm...  
WO/2003/072486A2
Microelectromechanical (MEMS) devices that use MEMS electromagnetic actuators to selectively generate displacement forces and methods of fabrication are disclosed herein. According to one exemplary embodiment disclosed herein, a MEMS dev...  
WO/2003/072252A1
A micro-liter liquid sample, particularly a biological sample, is analyzed in a device employing centrifugal and capillary forces. The sample is moved through one or more sample wells arrayed within a small flat chip via interconnecting ...  
WO/2003/066684A2
A composition, method and use is disclosed for a porous plug that functions as an electro-osmotic pump. The polymer eliminates any back pressure effects while enhancing the electro-osmotic flow in a channel. The pump is bach fabricated b...  
WO/2003/064857A2
A compressor for providing automatic capacity modulation is disclosed. The compressor comprises a compression chamber (332), a compressing member (336), a reexpansion area (334), a flow passage (354), a valve member (356), and a biasing ...  
WO2003023225B1
A free-piston engine includes at least one dual piston assembly, each of which has a pair of axially opposed combustion cylinders (12) and free-floating combustion pistons (13, 14) respectively mounted in the combustion cylinders for rec...  
WO/2003/058067A1
The invention relates to a measuring device for measuring in an ear canal, the device comprising a probe for insertion into an ear canal and having an opening for letting air in to and out of the ear canal the device further comprising a...  
WO/2003/057368A1
An apparatus for driving small volumes of fluid. The apparatus comprises a substrate and a first array of electrically conductive electrodes formed on the substrate. A second array of electrically conductive electrodes formed on the subs...  
WO/2003/052269A1
A microfluidic device includes one or more microchannels providing a passageway for transmitting an electrolyte fluid. A field source provides a defined field in the one or more microchannels, wherein at least one conductor element that ...  
WO/2003/048389A2
Test apparatus includes sample receiving means operable to receive a sample to be tested, sample manipulating means operable to manipulate a received sample, reagent receiving means operable to add to the received sample a reagent and re...  

Matches 451 - 500 out of 1,739