Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 401 - 450 out of 1,713

Document Document Title
WO/2004/114520A2
A device for inducing motion on fluids or solids comprising a structure (14) with a deformable sheet (12) compressed to form a structural wave and an actuator (30) for actuating the deformable sheet and driving the structural wave in a p...  
WO/2004/106738A1
A magnetofluiddynamic (MFD) pump including a liquid (or partially liquid) piston and at least two valve-delimited chambers is disclosed. The valve-delimited chambers may be coupled, in series or parallel, between the input and the output...  
WO/2004/102203A1
A micro chemical analysis system having a flow-type microchip wherein a fine channel is formed on a substrate is disclosed which comprises a common platform composed of a transducer layer having an ultrasonic transducer array and a signa...  
WO2004042306A3
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/2004/094299A1
An electroosmotic pump may be fabricated using semiconductor processing techniques with a nanoporous open cell dielectric frit. Such a frit may result in an electroosmotic pump with better pumping capabilities.  
WO2003072252A9
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 ...  
WO2004079194A3
The invention relates to a hydraulic pump and to a hydraulic system comprising said pump. A pumping piston (21) is displaced in a pumping cylinder (20) by a drive piston (20) moved in a drive cylinder (27) by a liquid (10) having a high ...  
WO/2004/088138A1
The invention relates to a dual-head micro vacuum pump. The inventive pump consists of a first head (1) and a second head (2), each of which comprises a frame (3, 8) having a driving mechanism fixed therein. The pump further comprises a ...  
WO2004073822A3
An electroosmotic flow pump for generating a flow in an electrolyte from an inlet to an outlet in a channel, the electroosmotic flow pump comprising a housing with the channel for holding the ionic solution, a membrane spearating the cha...  
WO/2004/079194A2
The invention relates to a hydraulic pump and to a hydraulic system comprising said pump. A pumping piston (21) is displaced in a pumping cylinder (20) by a drive piston (20) moved in a drive cylinder (27) by a liquid (10) having a high ...  
WO/2004/074829A1
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 ┬Ám, the i...  
WO/2004/073822A2
An electroosmotic flow pump for generating a flow in an electrolyte from an inlet to an outlet in a channel, the electroosmotic flow pump comprising a housing with the channel for holding the ionic solution, a membrane spearating the cha...  
WO2004012848A3
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...  
WO2004011763A3
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...  
WO/2004/067963A1
The present invention provides a pump comprising a container containing a dispense material, an outlet therefrom and an actuator arranged to alternate between first and second configurations in response to a change in the pump's environm...  
WO2004042304A3
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...  
WO/2004/065788A1
A number of micromachined devices including a micromachined pump for on-chip vacuum is provided. For example, a single-chip micromachined implementation of a Knudsen pump having one or more stages and which uses the principle of thermal ...  
WO2004036041A3
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...  
WO2004042297A3
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/2004/061958A1
The present disclosure relates generally to microelectronic technology, and more specifically, to an apparatus used for the cooling of active electronic devices utilizing electro-osmotic pumps and micro-channels.  
WO/2004/058333A1
A fluid dispensing system comprises an inlet to receive an input fluid and an outlet to dispense an amount of output fluid. A pump is placed between the inlet and the outlet to pump the amount of output fluid to the outlet. The pump incl...  
WO2004042303A3
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 ...  
WO2004042305A3
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/2004/053362A1
The invention relates to a piston pump system for the substantially gas-free dosage and/or transfer by pumping of defined quantities of liquids, preferably pharmaceutical liquids containing oxidation-sensitive components. The system is p...  
WO/2004/048254A1
A micropump utilizing gas generation includes a silicon substrate having a reservoir for H2O2 solution formed therein, a SiO2/Si3N4 film formed on the silicon substrate, and a PDMS combined on the SiO2/Si3N4 film, wherein the PDMS has a ...  
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...  

Matches 401 - 450 out of 1,713