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9039389 Pulse activated actuator pump system  
A pump system containing no external parts or valves is provided. The pump system is characterized by a common type of actuating mechanism and incorporates reversibly expanding actuators,...
8979511 Gel coupling diaphragm for electrokinetic delivery systems  
A fluid delivery system includes a first chamber, a second chamber, and a third chamber, a pair of electrodes, a porous dielectric material, an electrokinetic fluid, and a flexible member...
8974193 Synthetic jet equipment  
A synthetic jet equipment is provided, including a base, a frame fixed to the base, a first member, a pump diaphragm, a second member, and a valve diaphragm. The pump diaphragm connects the first...
8681496 Cooling apparatuses, electronic device assemblies, and cooling assemblies using magnetic shape memory members  
Cooling apparatuses, electronic device assemblies, and cooling assemblies having a magnetic shape memory member are disclosed. In one embodiment, a cooling apparatus includes a first compliant...
8449273 Fluid transporting device using conductive polymer  
A fluid transporting device is provided with a pump chamber that has a pump function for sucking and discharging a fluid, and is filled therein with the fluid, a casing unit which forms one...
8353682 Microfluidic-device systems and methods for manufacturing microfluidic-device systems  
A microfluidic device is described. The microfluidic device comprises at least one transport channel and at least one working chamber, wherein the at least one transport channel and the at least...
8226380 Chamber, pump having a chamber and method of manufacturing chambers  
The invention relates to a chamber, in particular a pump chamber, comprising a plate-shaped first half (10) and a plate-shaped second half (12). The first and second halves are connected to one...
8197234 In-line actuator for electromagnetic operation  
An electromagnetic actuator for a microfluidic pump of the type that causes periodic pinching and releasing against the walls of a fluidic channel, e.g., a tube. At least one permanent magnet is...
8191732 Ultrasonic waveguide pump and method of pumping liquid  
In a waveguide pump and method of pumping liquid, at least a portion of an elongate ultrasonic waveguide is immersed in a liquid reservoir. The waveguide has first and second ends, a nodal region...
8133041 Subsea chemical injection system and pumps therefor  
A high pressure pump for use in the injection of liquid chemicals into subsea oil or gas wells, and intended to be positioned in the subsea environment adjacent to the wellhead, comprises a...
7863035 Fluidics devices  
The invention relates to fluidics as used in medical and diagnostic equipment and relates further to means for purifying, abstracting, filtering, detecting and/or measuring analytes in liquid samples.
7859168 Actuator pump system  
An actuator housing unit for a system of layered surfaces, comprising an activated primary surface having a physical shape capable of change when activated by an electrical, chemical, or light...
7767266 Jetting device and method at a jetting device  
A method and a system for jetting droplets of viscous medium, such as solder paste, onto a substrate, such as an electronic circuit board. The volume of the droplets are adjusted by regulating the...
7764499 Electromagnetically-actuated micropump for liquid metal alloy  
The present invention discloses a method of confining a liquid metal alloy within a closed-loop system; distributing a first portion of the liquid metal alloy in a cavity within the closed-loop...
7753656 Magnetohydrodynamic pump with a system for promoting flow of fluid in one direction  
A magnetohydrodynamic pump for pumping a fluid. The pump includes a microfluidic channel for channeling the fluid, a MHD electrode/magnet system operatively connected to the microfluidic channel,...
7748962 Fluid handling apparatus and method of handling a fluid  
A fluid handling apparatus includes a body, which comprises a fluid handling structure, and a flexible membrane attached to the body and formed to interact with a fluid in the fluid handling...
7695253 Magnetic displacement pump and compressor  
A device for pumping and compressing fluids, particularly in micro-liter quantities. First and second polarized cylindrical magnets are mounted in a cylinder with an inlet and an outlet port. The...
7631852 Normally double-closed microvalve  
A normally closed microvalve includes a fluid inlet, a fluid outlet, a deflectable closing element, which, in the closed state of the microvalve, is seated on a sealing lip, such that the fluid...
7553135 Diaphragm air pump  
A diaphragm air pump comprises a pump chamber, a diaphragm and one or more piezoelectric beams or bimorphs. Fluid flows into the pump chamber and then flows out of it, the diaphragm is provided...
7550034 Gas flow generator  
A gas flow generator comprising: an ultrasonic driver comprising a piezoelectric or electrostrictive transducer mounted on a substrate, operation of the transducer being arranged to cause the...
7550901 Piezoelectric fan, cooling device containing same, and method of cooling a microelectronic device using same  
A piezoelectric fan includes a piezoelectric actuator patch (110, 210, 310) and a blade (120, 220, 320) attached to the piezoelectric actuator patch. The blade has a hole (121, 127, 221) in it,...
7541715 Electrochemical methods, devices, and structures  
The present invention provides devices and structures and methods of use thereof in electrochemical actuation. This invention provides electrochemical actuators, which are based, inter-alia, on an...
7539016 Electromagnetically-actuated micropump for liquid metal alloy enclosed in cavity with flexible sidewalls  
The present invention discloses a method of confining a liquid metal alloy within a closed-loop system; distributing a first portion of the liquid metal alloy in a cavity within the closed-loop...
7503756 Multi pumping chamber magnetostrictive pump  
A positive displacement pump includes a magnetostrictive actuator. A single actuator drives multiple pumping chambers. The pump may include two pumping chambers driven in phase by the linear...
7467752 Fluid sprayer employing piezoelectric pump  
An electrically-powered fluid sprayer employs a piezoelectric fluid pump that includes an inlet port, an outlet port, a pump chamber, and a piezoelectric element that is deformed and displaced by...
7420659 Flow control system of a cartridge  
An apparatus having a disposable cytometer cartridge containing pumps, pressure chambers, reservoirs, flow sensors, flow channels, and microfluidic circuits with fluid operations on the cartridge....
7397166 Electroactive polymer-actuated peristaltic pump and medical lead incorporating such a pump  
A peristaltic pump for conveying a fluid comprises a flexible tube having an outer surface and a lumen for carrying the fluid such as a therapeutic agent. The tube has a length defined by opposed...
7374628 Method for manufacturing a cell-driving-type micro pump member  
A method for manufacturing a micro pump member, in which a plurality of cells formed in a base part are used as pressurizing chambers, and side walls forming the pressurizing chambers are...
7261524 Rotation support with improved thrust-bearing for rotors of pump electric motors  
A rotation support has improved thrust-bearing for rotors of electric motors of synchronous pumps. The rotation sup: a stator of the electric motor, in which a hollow body is housed for supporting...
7198250 Piezoelectric actuator and pump using same  
Thin chamber diaphragm-operated fluid handling devices, including thin chamber pumps and thin chamber valves, facilitate device compactness and, in some configurations, self-priming. Diaphragm...
7103949 Method for fabricating a transducer  
A method for fabricating a transducer suitable for a fluidic drive for a miniature acoustic-fluidic pump or mixer that includes an acoustic transducer attached to an exterior or interior of a...
6886509 Hydraulic actuator for actuating a gas exchange valve of an internal combustion engine  
The invention relates to a hydraulic actuator for actuating a gas exchange valve (1) of an internal combustion engine, which valve is especially closed by the effect of a spring. The actuator is...
6886331 Magnetohydraulic motor  
A magnetohydraulic motor with a positive displacement pump that pumps hydraulic fluid to and from the two sides of a bi-directional piston that provides the motor's output force and motion. Motion...
6869275 Piezoelectrically driven fluids pump and piezoelectric fluid valve  
A piezoelectrically driven fluid pump includes a chamber having two opposite sidewalls formed by flexible membranes, and an inlet and an outlet each regulated by a valve. Separate piezo elements...
6767190 Methods of operating an electrostatically actuated pump  
Methods and apparatus for electrostatically pumping fluids without passing the fluids through the electric field of the pump are contemplated. Electrostatic forces are preferably used to move the...
6752601 Micropump  
A micro pump having at least one pump member for conveying a fluid by action of pressure includes a pump unit formed by at least one actuator member for generating a pressure fluctuation and a...
6749406 Ultrasonic pump with non-planar transducer for generating focused longitudinal waves and pumping methods  
An ultrasonic pump in which a medium is pumped by the interaction between longitudinal acoustic waves and the medium in a flow-chamber. The pump comprises a non-planar, transducer and an...
6729856 Electrostatically actuated pump with elastic restoring forces  
An apparatus for electrostatically pumping fluids without passing the fluids through the electric field of the pump is contemplated. Electrostatic forces are preferably used to move the diaphragms...
6699018 Cell driving type micropump member and method for manufacturing the same  
A micro pump member is provided, in which a plurality of cells formed in a base part are used as pressurizing chambers, and side walls forming the pressurizing chambers are constructed by...
6685442 Actuator device utilizing a conductive polymer gel  
A valve actuator based on a conductive polymer gel is disclosed. A nonconductive housing is provided having two separate chambers separated by a porous frit. The conductive polymer is held in one...
6682318 Pump  
A pump having a main pump body including a casing to which a fluid is supplied, and a pump section, an input valve section, and an output valve section which are provided opposingly to one surface...
6666658 Microfluidic pump device  
A pump having a main pump body including a casing to which a fluid is supplied, and a pump section, an input valve section, and an output valve section which are provided opposingly to one surface...
6638032 Acoustic vacuum pump  
Vacuum pump with a chamber (1) having, on one side, an intake (2) for pumping gas and, on the opposite side, an outlet (3) for the gas, displacement elements (4) being provided to drive the gas...
6623251 Spindle apparatus  
A rod body (30) is formed of magnetostrictive material and includes one end portion (30a) fixed, and a piston (35) is fixed to the other end portion (35b) of the rod body (30). The piston (35) is...
6604915 Compact, high efficiency, smart material actuated hydraulic pump  
The invention disclosed is a compact, high efficiency, smart material element driven hydraulic pump comprising a diaphragm, a face plate coupled to and spanning across the diaphragm, and a smart...
6579068 Method of manufacture of a suspended nitride membrane and a microperistaltic pump using the same  
A suspended p-GaN membrane is formed using photochemical etching which membrane can then be used in a variety of MEMS devices. In the illustrated embodiment a pump is comprised of the p-GaN...
6568052 Method for constructing a fluidic driver for use with microfluidic circuits as a pump and mixer  
The fluidic drive for miniature acoustic-fluidic pump and mixer is comprised of an acoustic transducer attached to an exterior or interior of a fluidic circuit or reservoir. The transducer...
6530755 Micropump  
The ejection orifice (7) of a micropump including a baseplate (3) of glass and a cover plate (4) of silicon and intended for ejecting small liquid drops, has a diameter of about 50 μm, and is...
6508196 Device for applying drops of a fluid on a surface  
In a device for ejecting small amounts of a liquid material having accurately defined volumes from a chamber (1), the chamber has a nozzle aperture (7) and a rod (9) is mounted in or attached to a...
6435840 Electrostrictive micro-pump  
An electrostrictive micro-pump is provided for controlling a fluid flow through a cannula or other narrow liquid conduit. The micro-pump includes a pump body having a passageway for conducting a...

Matches 1 - 50 out of 154 1 2 3 4 >