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Class 417/50 - Electromagnetic


Subclass of Class 417 - Pumps
Definition: Subject matter in which the pumped fluid is electrically
No. of patents: 161
Last issue date: 07/13/2010


1          
NumberTitleIssue Date
7753656Magnetohydrodynamic 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, and a system for promoting flow of the fluid in one direction in the m...
07/13/2010
7413412Vacuum 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 catho...
08/19/2008
7380490Housing for rotary hydraulic machines
A variable capacity hydraulic machine has a rotating group located within a casing and a control housing secured to the casing to extend across and seal an opening in the casing. The control housing accommodates a control circuit and a pair of sensors to sense chang...
06/03/2008
7370946Pump, 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...
05/13/2008
7371051Controlled 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....
05/13/2008
7364647Laminated flow device
A laminated flow device comprises a porous material encapsulated within bonding material. The porous material forms a flow path and the bonding material forms an enclosure surrounding the flow path. Micro-components, such as capillaries, electrodes, reservoirs, brid...
04/29/2008
7350559Systems and methods of electromagnetic influence on electroconducting continuum
Thus, as shown by an exact electrodynamic computation of EMBF and the estimations described above of the velocity of turbulent flows arising due to their effect, application of amplitude- and frequency-modulated helically traveling (rotating and axially traveling) e...
04/01/2008
7334630Closed-loop microchannel cooling system
Apparatus and methods according to the present invention utilize micropumps that are capable of generating high pressure and flow without moving mechanical parts and the associated generation of unacceptable electrical and acoustic noise, as well as the associated r...
02/26/2008
7316800Electromagnetic helical pump for high-temperature transportation of molten metal
Electromagnetic helical pump for high-temperature transportation of molten metal, comprising an explicit-pole or implicit-pole inductor exciting a rotating magnetic field (RMF), and a helical channel consisting of a thick-wall ceramic pipe with a quick-change helica...
01/08/2008
7316543Electroosmotic micropump with planar features
An electroosmotic micropump having a plurality of thin, closely-spaced, approximately planar, transversel aligned partitions formed in or on a substrate, among which electroosmotic flow (EOF) is generated. Electrodes are located within enclosed inlet and outlet mani...
01/08/2008
7303581Artificial heart using magnetohydrodynamic propulsionh
An implantable artificial heart apparatus which has no moving parts. It employs the technology of magnetohydrodynamics (MHD) to induce flow of human blood. An MHD propulsion unit is a device which applies magnetic and electric fields to blood to propel the conductiv...
12/04/2007
7304396Turbo-machine and method for operating the same
A turbo-machine having a rotor, a stator, and a flow channel for an actuating fluid used to drive the rotor is disclosed. The turbo-machine has a magnet for producing a predeterminable magnetic field in the flow channel. The invention also relates to a method for op...
12/04/2007
7300258Electromagnetic pump
An electromagnetic pump has a supply section and a magnetic force pumping section wherein flow of a 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 c...
11/27/2007
7293423Method and apparatus for controlling freezing nucleation and propagation
An apparatus and method of controlling freezing in a liquid system is disclosed. The apparatus includes a heat exchanger having a initial zone characterized by a surface area to volume ratio. The apparatus also includes means for initiating freezing of a fluid from ...
11/13/2007
7287536Heater for heating the dishwashing liquid in a dishwasher
In a dishwasher having a dishwashing compartment and a pump fluidically connected to the dishwashing compartment for channeling liquid to the dishwashing compartment, the pump disposed outside the dishwashing compartment and including a pump housing defining an inte...
10/30/2007
7279846Image display apparatus
Provided is an image display apparatus including: a vacuum container having an electron source enclosed therein for displaying an image; an ion pump communicating with the vacuum container for discharging air therefrom and decreasing pressure therein; and a resistor...
10/09/2007
7278549Remedies to prevent cracking in a liquid system
A liquid cooling system utilizing minimal size and volume enclosures, air pockets, compressible objects, and flexible objects is provided to protect against expansion of water-based solutions when frozen. In such a system, pipes, pumps, and heat exchangers are desig...
10/09/2007
7235164Electrokinetic pump having capacitive electrodes
An electrokinetic pump achieves high and low flow rates without producing significant gaseous byproducts and without significant evolution of the pump fluid. A first feature of the pump is that the electrodes in the pump are capacitive with a capacitance of at least...
06/26/2007
7231839Electroosmotic micropumps with applications to fluid dispensing and field sampling
Apparatus and methods according to the present invention preferably utilize electroosmotic pumps in fluid handling and field sampling applications. The electroosmotic pumps used in these applications are capable of generating high pressure and flow without moving me...
06/19/2007
7201214Remedies to prevent cracking in a liquid system
A liquid cooling system utilizing minimal size and volume enclosures, air pockets, compressible objects, and flexible objects is provided to protect against expansion of water-based solutions when frozen. In such a system, pipes, pumps, and heat exchangers are desig...
04/10/2007
7201012Remedies to prevent cracking in a liquid system
A liquid cooling system utilizing minimal size and volume enclosures, air pockets, compressible objects, and flexible objects is provided to protect against expansion of water-based solutions when frozen. In such a system, pipes, pumps, and heat exchangers are desig...
04/10/2007
7185697Electroosmotic microchannel cooling system
Apparatus and methods according to the present invention preferably utilize electroosmotic pumps that are capable of generating high pressure and flow without moving mechanical parts and the associated generation of unacceptable electrical and acoustic noise, as wel...
03/06/2007
7176590Spiral linear motor
A motor producing a rectilinear drive force can be simultaneously provided with a small size and a lightweight, high accuracy and a large drive force. In a spiral linear motor 1, a rotator 3 and stator 2 are both constituted having a spir...
02/13/2007
7147441Microfluidics and small volume mixing based on redox magnetohydrodynamics methods
Microfluidic channels utilizing magnetohydrodynamics are used to pump very small volumes of solution. The channels have electrodes along the walls of the channel and a current carrying species within the solution carries the current through the solution. The electri...
12/12/2006
7139172Apparatus and methods for microchannel cooling of semiconductor integrated circuit packages
Apparatus and methods are provided for microchannel cooling of electronic devices such as IC chips, which enable efficient and low operating pressure microchannel cooling of high power density electronic devices having a non-uniform power density distribution, which...
11/21/2006
7134486Control of electrolysis gases in electroosmotic pump systems
Apparatus and methods according to the present invention preferably utilize electroosmotic pumps that are capable of generating high pressure and flow without moving mechanical parts and the associated generation of unacceptable electrical and acoustic noise, as wel...
11/14/2006
7131486Electroosmotic microchannel cooling system
Apparatus and methods according to the present invention preferably utilize electroosmotic pumps that are capable of generating high pressure and flow without moving mechanical parts and the associated generation of unacceptable electrical and acoustic noise, as wel...
11/07/2006
7108056Slit-type restrictor for controlling flow delivery to electrohydrodynamic thin film evaporator
Cooling means for a heated surface comprising an enclosure for enclosing the heated surface and two oppositely charged interleaved radial arrays of microelectrodes positioned on the surface within the enclosure. The combined arrays have a closely spaced end and a pe...
09/19/2006
7086838Fuel system with a field modification module for controlling fuel flow
The present invention provides a system for controlling speed of the fuel pump. The system includes a fuel pump, a controller, and a field modification module. The fuel pump is configured to receive a driving signal causing the fuel pump to pump fuel. The controller...
08/08/2006
7060170Bridges, elements and junctions for electroosmotic flow systems
In accordance with the present invention, stable electroosmotic flow systems and methods for designing the same are disclosed. The invention provides electroosmotic flow systems comprising electroosmotic flow elements, including bridge elements, that have matching f...
06/13/2006
7061104Apparatus for conditioning power and managing thermal energy in an electronic device
In one aspect, the present invention is a technique of, and a system for conditioning power for a consuming device. In this regard, a power conditioning module, affixed to an integrated circuit device, conditions power to be applied to the integrated circuit device....
06/13/2006
7048518Pump
The present invention comprises a pump (10, 110) having a casing (14, 114) with at least one first hermetically sealed chamber (19, 119) and at least one second chamber (17, 117) adjacent to said first chamber, defining a passageway (1...
05/23/2006
7040144Microfluidic viscometer
Microfluidic devices, systems, and methods measure viscosity, flow times, and/or pressures, other flow characteristics within the channels, and the measured flow characteristics can be used to generate a desired flow. Multi-reservoir pressure modulator and pressure ...
05/09/2006
7037082Corbino disc electroosmotic flow pump
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 defined by insulating walls. The...
05/02/2006
6981849Electro-osmotic pumps and micro-channels
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. ...
01/03/2006
6979954Inter-stage plasma source
A high efficiency plasma pump for use in a plasma processing system that includes a plasma processing device having a first plasma density proximate a processing region and a second plasma density proximate an exit region is disclosed. The plasma pump includes an in...
12/27/2005
6942018Electroosmotic microchannel cooling system
Apparatus and methods according to the present invention preferably utilize electroosmotic pumps that are capable of generating high pressure and flow without moving mechanical parts and the associated generation of unacceptable electrical and acoustic noise, as wel...
09/13/2005
6916191Connector assembly for monitoring printer ink
An electrical connector includes at least one body having a passageway for a flow of a conductive fluid. A first conductive pin is in fluid communication with the passageway, and a second conductive pin is in fluid communication with the passageway, wherein a conduc...
07/12/2005
6904754Steam generator for liquid metal reactor and heat transfer method thereof
Disclosed herein is a steam generator for a liquid metal reactor and a heat transfer method thereof, and more particularly a steam generator for a liquid metal reactor having intermediate fluid forcibly circulated therein and structurally improved coiled heat transf...
06/14/2005
6888294Field emission device using a reducing gas and method for making same
The invention concerns a device comprising at least one field effect electron source within a sealed structure, which encompasses an internal space that contains a reducing gas whose purpose is to prevent oxidation of the emissive material of the electron source, wh...
05/03/2005
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