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Matches 451 - 500 out of 1,705

Document Document Title
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...  
WO/2003/045556A2
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/2003/046381A1
A multilayer ceramic micropump (10) including a monolithic ceramic package (13) formed of a plurality of ceramic layers (12) defining therein an integrated first ball check valve (14), and a second ball check valve (30) in microfluidic c...  
WO2002069016A3
Devices utilize elements carried by a fluid (4506) in a microchannel (4504) to switch, attenuate, shutter, filter, or phase shift optical signals. In certain embodiments, a microchannel carries a gaseous or liquid slug that interacts wit...  
WO/2003/031817A1
A medium and high pressure pump systems supplies a cryogenic fluid from a storage tank and methods of operating such systems to remove both liquid and vapor from the storage tank to reduce the need for venting. The system comprises a pum...  
WO/2003/028862A1
The present invention provides a pump for generating an Electroosmotic Flow (EOF) in a solution in a canal, guide, pipe or equivalent. Electroosmotic flow is generated by application of an electric field through a solution in a canal def...  
WO/2003/029731A2
A micro heat exchanger (200) comprised of an electroosmotic pump (300) and a heat producing device (50).  
WO2002091028A3
The present invention relates to the use colloidal particles to realize photonic and microfluidic devices. In particular embodiments, colloidal particles are used to realize microfluidic a two-way valve, three-way valve, check valve, thr...  
WO/2003/028861A1
The present invention provides a pump for generating an Electroosmotic Flow (EOF) in a solution in a canal, guide, pipe or equivalent. Electroosmotic flow is generated by application of an electric field through a solution in a canal def...  
WO/2003/023225A1
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...  
WO2003012406A9
The present invention relates to a system and method for moving samples, such as fluids, within a microfluidic system using a plurality of gas actuators (168, 170, 172) for applying pressure at different locations within the microfluidic...  
WO2002094440A3
A microchip integrated microfabricated, microfluidic, multichannel, preferably electroosmotic pump. The pump (10) comprising a plurality of microchannels (12), which begin and end in common compartments (14, 16), complexed into an array....  
WO2002090770A3
A microfluidics liquid dispensing unit comprises: a housing containing a liquid reservoir, the liquid reservoir having an ejection port. The liquid reservoir contains a test fluid in fluid contact with ejection port and further contains ...  
WO2002101242A3
A compressor (12) with a capacity modulation system (10) includes a compression chamber (30), a rotatable shaft (20) within the compression chamber (30), and a roller (32) mounted on the shaft (20) in contact with a wall of the compressi...  
WO/2003/012406A1
The present invention relates to a system and method for moving samples, such as fluids, within a microfluidic system using a plurality of gas actuators (168, 170, 172) for applying pressure at different locations within the microfluidic...  
WO/2003/012325A1
A valve (50) includes a substrate defining an upstream channel (52) and a downstream channel (54) joined by a conduit defined by a first opposed wall (74) disposed at an angle to the central axis (60) of the upstream channel (52). At lea...  
WO/2003/008102A1
A microfluidic system employs a microchannel and a gravity driven pump comprising horizontally oriented fluid supply reservoirs which supplies fluid to the microchannel at a substantially constant rate. The device is useful for numerous ...  
WO/2002/103210A1
Disclosed is a nanopump for pumping small volumes of electrolyte solution under the control of a voltage source. The device includes a chamber and a nonopore membrane which partitions the chamber into upstream and downstream regions. Whe...  
WO/2002/102498A1
A self-contained delivery device for delivering a selected volume of stored electrolyte solution at selected time intervals is disclosed. The device includes a housing having a delivery port, and contained within the housing, a chamber c...  
WO2002079703A3
The present invention discloses a miniature thermodynamic device that can be constructed using standard micro-fabrication techniques. The device can be used to provide cooling, generate power, compress gases, pump fluids and reduce press...  
WO/2002/101242A2
A compressor (12) with a capacity modulation system (10) includes a compression chamber (30), a rotatable shaft (20) within the compression chamber (30), and a roller (32) mounted on the shaft (20) in contact with a wall of the compressi...  
WO2002053921A3
A device (2) for moving a fluid in a fluidic system. The device may include one or more controllably openable closed chambers (10). The pressure within the closed chamber(s) (10) is lower than ambient pressure outside the fluidics system...  
WO2002027294A3
The invention relates to a biochip comprising a sensor unit for measuring the components of body fluids or cell cultures, especially for measuring the components of capillary, venous or arterial blood. The biochip is provided with a micr...  
WO/2002/094440A2
A microchip integrated microfabricated, microfluidic, multichannel, preferably electroosmotic pump. The pump (10) comprising a plurality of microchannels (12), which begin and end in common compartments (14, 16), complexed into an array....  
WO/2002/091028A2
The present invention relates to the use colloidal particles to realize photonic and microfluidic devices. In particular embodiments, colloidal particles are used to realize microfluidic a two-way valve, three-way valve, check valve, thr...  
WO/2002/090770A2
A microfluidics liquid dispensing unit comprises: a housing containing a liquid reservoir, the liquid reservoir having an ejection port. The liquid reservoir contains a test fluid in fluid contact with ejection port and further contains ...  
WO/2002/081867A1
An ultrasonic pump (1) in which a medium is pumped by the interaction between longitudinal acoustic waves and the medium in a flow-chamber (12). The pump comprises a transducer (6) and an associated chamber for providing a controllable, ...  
WO/2002/079703A2
The present invention discloses a miniature thermodynamic device that can be constructed using standard micro-fabrication techniques. The device can be used to provide cooling, generate power, compress gases, pump fluids and reduce press...  
WO/2002/068821A2
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 ...  
WO/2002/069016A2
Devices utilize elements carried by a fluid (4506) in a microchannel (4504) to switch, attenuate, shutter, filter, or phase shift optical signals. In certain embodiments, a microchannel carries a gaseous or liquid slug that interacts wit...  
WO2002029106A3
A microfluidic device comprises pumps, valves, and fluid oscillation dampers. In a device employed for sorting, an entity is flowed by the pump along a flow channel through a detection region to a junction. Based upon an identity of the ...  
WO/2002/053921A2
A device (2) for moving a fluid in a fluidic system. The device may include one or more controllably openable closed chambers (10). The pressure within the closed chamber(s) (10) is lower than ambient pressure outside the fluidics system...  
WO2002006065A3
A new inflating device (10) and method for inflating an inflatable object are described. The inflating device includes two compartments: one (1) containing a gas-generating agent and the other (12) containing an activating agent. When mi...  

Matches 451 - 500 out of 1,705