Class 417/50 - Electromagnetic

Subclass of Class 417 - Pumps
Definition: Subject matter in which the pumped fluid is electrically
No. of applications: 34
Last issue date: 03/22/2012

Application No.	Application Title	Issue Date
20120070314	MICROPUMP The invention relates to a positive displacement pump, constructed in microsystem technology, which is preferably used as a vacuum pump....	03/22/2012
20110300002	Ceramic Element A heating element can comprise a ceramic material doped with various elements. The heating element can be heated by forcing a fuel to flow through the ceramic material, where the fuel interacts with the dopants. The interaction can produce energy in the form of heat. In...	12/08/2011
20110253542	STATIC ELECTROMAGNETIC APPARATUS FOR ACCELERATING ELECTRICALLY NEUTRAL MOLECULES UTILIZING THEIR DIPOLAR ELECTRIC MOMENT An electromagnetic device for accelerating electrically neutral molecules of a substance is characterized by the fact of comprising: a Treating Tube (14) in non-conducting material, into which the substance to treat is introduced; static electromagnetic circuits ...	10/20/2011
20110150667	MEMS ELECTROSTATIC FLUIDIC PUMPS AND VALVES In various embodiments, a pump is provided that includes a microfluidic channel and a plurality of electrodes for electrostatically translating a target fluid along the channel from an inlet to an outlet. In other embodiments, a valve includes a microfluidic channel, a ...	06/23/2011
20110129357	Pumping Mud By Electrohydrodynamic Propulsion A section of riser casing urges drilling mud upward from the sea floor to reduce head pressure associated with pumping drilling mud through riser casing in dual-gradient drilling operations. The section of riser casing may use an electromagnet, two or more electrodes, o...	06/02/2011
20110129358	PUMPING MUD BY ELECTROHYDRODYNAMIC PROPULSION A section of riser casing urges drilling mud through the riser, either upward from the sea floor to reduce head pressure or downward toward the wellbore. The section of riser casing may use an electromagnet, two or more electrodes, or a combination of electromagnets and...	06/02/2011
20110020141	MICROFLUIDIC DEVICE AND METHOD The present invention relates to a microfluidic device and a corresponding method for pumping of high conductivity liquids comprising: —a microfluidic channel (26; 80; 101) for containing an electrically conductive liquid, in particular a liquid having a high c...	01/27/2011
20100158703	ELECTRIC FLUID PUMP AND MOLD FOR INSERT-MOLDING CASING OF ELECTRIC FLUID PUMP An electric fluid pump includes a casing, a rotor arranged in the casing, and a shaft member supported by the casing and including a shaft portion extending in the casing in a direction of an axis of the shaft member, having a first end portion arranged at one axial end...	06/24/2010
20100116464	REVERSIBLE FLOW ELECTROHYDRODYNAMIC FLUID ACCELERATOR Reversible flow may be provided in certain EHD device configurations that selectively energize corona discharge electrodes arranged to motivate flows in generally opposing directions. In some embodiments, a first set of one or more corona discharge electrodes is positio...	05/13/2010
20100116460	SPATIALLY DISTRIBUTED VENTILATION BOUNDARY USING ELECTROHYDRODYNAMIC FLUID ACCELERATORS In thermal management systems that employ EHD devices to motivate flow of air through an enclosure, spatial distribution of a ventilation boundary may facilitate reductions in flow resistance by reducing average transit distance for cooling air from an inlet portion of ...	05/13/2010
20090285695	MAGNETIC INDUCTION PUMP A magnetic induction pump for pumping molten metal. The pump includes a motor and a shaft operatively connected to the motor. The pump further includes at least one bipolar permanent magnet operatively connected to the shaft and a conduit for the passage of molten metal...	11/19/2009
20080295699	Beverage Maker, And Pump Unit And Cartridge For Use In A Beverage Maker A pump unit (4) comprises a reservoir (20) for containing a liquid, a duct system (30) for conveying the liquid and a pumping section (50) for subjecting the liquid to a pumping force. Initially, in a pump unit according to the state of the a...	12/04/2008
20080279698	CONTROLLED MAGNETOHYDRODYNAMIC FLUIDIC NETWORKS AND STIRRERS The present invention relates to controlled, magnetohydrodynamically-driven, fluidic networks containing a plurality of individually controlled branches. The branches consist of conduits equipped with pairs of electrodes that are controlled by electrode controllers. In ...	11/13/2008
20080267785	Drill rig apparatuses with directly driven shaft & drilling fluid pump systems A drilling rig system with a main shaft or shaft-like structure driven directly by an AC motor; the system in one aspect for pumping fluid (e.g., but not limited to, drilling fluid), the system having, in certain aspects, pump apparatus with a pumping section and a moto...	10/30/2008
20080118370	Electro-hydrodynamic micro-pump and method of operating the same Provided is an electrohydrodynamic (EHD) micro-pump and a method of operating the same. The EHD micro-pump includes a plurality of electrodes alternately disposed on a substrate, an insulating layer covering the electrodes on the substrate, a carbon nanotube (CNT) layer...	05/22/2008
20080050247	Electromagnetic Pump An electromagnetic pump has a supply section and a magnetic force pumping section wherein flow of an electrically conductive material through the supply section is opposite to the flow of the material in the magnetic force pumping section in some examples. Multiple coil...	02/28/2008
20070274840	Magnetohydrodynamic pump A MHD pump, in an example embodiment, includes a fluid channel, an electrode pair that generates an electric field in the fluid channel, and an electromagnet that generates a magnetic field, the magnetic field lines of which intersect the electric field lines of the ele...	11/29/2007
20060278373	Microchannel cooling device with magnetocaloric pumping The invention discloses a microchannel cooling device, adapted for dissipating heat generated from an electronic device, which comprises: a heat sink, being arranged on the electronic device and having an inlet, an outlet and a plurality of microchannels embedded thereo...	12/14/2006
20060171815	Electro-magnetic air blower An electro-magnetic air blower is a replacement for a traditional supercharger and turbocharger used on an internal combustion engin, both gasoline and diesel engines. The device includes two parts, both of which are identical in form and structure. Each of the two devi...	08/03/2006
20060169441	Electro-hydrodynamic gas flow cooling system The present invention relates to cooling systems, and in particular to cooling systems providing forced convective gaseous flow. According to one aspect, a cooling system employs a heat sink in combination with an EHD pumping mechanism such as corona wind or micro-scale...	08/03/2006
20060120878	Magnetofluiddynamic pumps for non-conductive fluids 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 of a fluid passage to provide ei...	06/08/2006
20060120879	Pump, liquid transporting apparatus provided with the same, and liquid moving apparatus A pump includes an ink pressurizing chamber, an inlet port and an outlet port communicating with the chamber, a first valve member provided near the inlet port, a second valve member provided near the outlet port, a pressure adjustment channel communicating with the cha...	06/08/2006
20060091731	Turbo-machine and method for operating the same The invention relates to a turbo-machine comprising a rotor, a stator, and a flow channel for an actuating fluid used to drive the rotor. Said turbo-machine comprises a magnet for producing a pre-determinable magnetic field in the flow channel. The invention also relate...	05/04/2006
20060093488	Method and apparatus for controlling multi-fluid flow in a micro channel A method and apparatus for controlling multi-fluid flow in a micro channel is disclosed. The apparatus has a first inlet for a first fluid; a second inlet for a second fluid; a first outlet; and a second outlet. The micro channel is operatively and fluidically connected...	05/04/2006
20060078433	Sputter ion pump and manufacturing method therefor and image display device with sputter ion pump A sputter ion pump comprises a metal pump container. In the pump container are arranged a cathode and an anode opposed to each other in the pump container and a permanent magnet situated between the cathode and the inner surface of the pump container. After locating the...	04/13/2006
20060073023	Integrated electromagnetic pump and power supply module A module in accordance with the present invention includes at least one electromagnetic pump and a power supply circuit for the electromagnetic pump. The tight coupling between the pump and its power supply afford more easily driving the pump with a low voltage, high cu...	04/06/2006
20060073024	Series gated secondary loop power supply configuration for electromagnetic pump and integral combination thereof A power supply circuit for an electromagnetic pump includes a switched secondary loop circuit to provide the electromagnetic pump with a low voltage, high current output. In some embodiments, the power supply circuit includes a transformer having a core, a primary coil ...	04/06/2006
20060045755	Information handling system including AC electromagnetic pump cooling apparatus An information handling system (IHS) is provided which is cooled via an electromagnetic pump. The pump pushes a heat conducting liquid metal fluid in a heat conducting path away from a heat producing device such as a processor. The EM pump is driven by an AC electric cu...	03/02/2006
20050287012	Vacuum micropump and gauge A vacuum micropump for use in a sealed package includes at least one pumping cell and a magnetic field proximate to the pumping cell. The pumping cell has at least one anode, at least one dielectric in contact with the at least one anode, at least one titanium cathode i...	12/29/2005
20050284817	Magnetic bead manipulation and transport device A device for transporting magnetic or magnetisable microbeads (25) in a capillary chamber (14) comprises a permanent magnet (10) or an electromagnet (11) for subjecting the capillary chamber to a substantially uniform magnetic field, to apply...	12/29/2005
20050254967	Gasless and gas bubble-free electrodes Gas bubble-free electrodes are necessary for stable long-term operation of millimeter-scale electrokinetic (EK) pumps when currents exceed 10-50 μA. An accompanying Technical Advance describes EK pumps that draw 1-3 mA. We have developed gasless and gas bubble-free ele...	11/17/2005
20050249606	Devices and methods for use in assessing a flow condition of a fluid A device for use in assessing a flow condition of a fluid, or a fluid in a flow path, is provided. The device comprises at least one electrochemical cell, comprising a working electrode and at least one other electrode, sufficient for communication with the fluid, or su...	11/10/2005
20050238506	Electromagnetically-actuated microfluidic flow regulators and related applications A variable, closed-loop apparatus for regulating a microfluidic flow that employs a low-power deflection assembly, which is surface-mounted over a flexible membrane overlying a chamber integrated into a microfabricated platform. A flexible membrane, moveable between two...	10/27/2005
20050053499	Support post system for molten metal pump An improved post clamp for a molten metal pump includes a support post clamp that supports the weight of a pump superstructure on the top of the support posts. The clamp preferably includes (a) a bottom flange for connecting to the pump superstructure, (b) a cavity for ...	03/10/2005

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Class 417/50 - Electromagnetic