Class / Patent application number | Description | Number of patent applications / Date published |
310011000 | Conducting fluid | 22 |
20080197718 | ELECTRICAL MACHINE WITH FERROFLUID COMPONENTS - An electrical machine includes a primary part and a secondary part which are spaced apart from one another by an air gap and capable of moving relative to one another. The primary part and/or the secondary part is/are constructed for generating magnetic or electromagnetic fields, with the primary part and the secondary part having flux-concentrating means for guiding a magnetic main flux. At least portions of the magnetic main flux are guided by a ferrofluid. | 08-21-2008 |
20080238217 | Fault-tolerant permanent magnet machine with reconfigurable flux paths in stator back iron - A permanent magnet (PM) machine has a fault condition mechanism disposed within a back iron of the stator portion, the mechanism operational to automatically reduce fault currents associated with the PM machine during a fault condition. The fault condition mechanism disposed within the stator back iron is reconfigurable to automatically reduce internal heat associated with the PM machine during a fault condition. A method of reconfiguring the PM machine upon detecting a fault condition includes the steps of 1) selecting the reconfigurable fault condition mechanism from a) a plurality of magnetically anisotropic rotatable cylinders, b) a plurality of ferrofluid-filled cavities, and c) a dual-phase material selectively embedded within the stator core; and 2) reconfiguring the fault condition mechanism to automatically reduce fault currents or internal heat associated with the PM machine upon detection of a fault condition. | 10-02-2008 |
20090072632 | Magnetohydrodynamic Engergy Conversion Device Using Solar Radiation as an Energy Source - A magnetohydrodynamic energy conversion device has a tungsten housing containing a working fluid and a conduit leading from and reentering the housing under pressure developed by heating the fluid with by an optical concentrator which directs rays from the sun at the housing. A voltage is developed across electrodes spaced within the conduit as the heated fluid passes therethrough. The fluid may be directed to turn a gas turbine for driving an electric generator. | 03-19-2009 |
20090108682 | Device and method for simulation of magnetohydrodynamics - A magnetohydrodynamic simulator that includes a plasma container. The magnetohydrodynamic simulator also includes an first ionizable gas substantially contained within the plasma container. In addition, the magnetohydrodynamic simulator also includes a first loop positioned adjacent to the plasma container, wherein the first loop includes a gap, a first electrical connection on a first side of the gap, a second electrical connection of a second side of the gap, and a first material having at least one of low magnetic susceptibility and high conductivity. The first loop can be made up from an assembly of one or a plethora or wire loop coils. In such cases, electrical connection is made through the ends of the coil wires. The magnetohydrodynamic simulator further includes an electrically conductive first coil wound about the plasma container and through the first loop. | 04-30-2009 |
20090134719 | ELECTRIC MOTOR CONTAINING FERROMAGNETIC PARTICLES - An electric motor comprises a first member having one or more magnetic, electric or electro-magnetic components, a second member having one or more magnetic, electric or electro-magnetic components, and a fluid containing ferromagnetic particles located in between the first member and the second member. | 05-28-2009 |
20100066178 | Thin, solid-state mechanism for pumping electrically conductive liquids in a flexible thermal spreader - The present invention is a magnetic pump assembly for integration with a mechanically flexible thermal spreader. The assembly may include a casing which may be connectable to a mechanically flexible substrate of the thermal spreader. The assembly may further include a plurality of magnets which may be integrated with and enclosed by the casing. The magnets may be suitable for applying a magnetic field to an electrically-conductive liquid, and may be implemented in combination with electrodes, which may be integrated with the substrate and may be suitable for generating an electrical current flow through the liquid. The magnets and electrodes may combine to provide a pumping force for circulating the liquid within an internal channel of an electrically-conductive cooling loop of the substrate. The assembly may further include a thermally-conductive rigid metal insert integrated with the casing. The assembly may promote local thermal conductivity of the thermal spreader. | 03-18-2010 |
20100164303 | Submersible motor with ferrofluid gap - A technique enables reduction in electrical power losses during operation of a submersible motor. The technique utilizes a submersible motor comprising a housing that encloses a stator and a rotor. A ferrofluid is located in the housing in a sufficient quantity to fill the gap between rotor and stator. The ferrofluid has substantially improved properties that facilitate a reduction in electrical power supplied and thus a greater efficiency in operation of the motor. | 07-01-2010 |
20100237715 | MAGNETOPLASMADYNAMIC (MPD) GENERATOR - A magneto-plasma-dynamic (MPD) generator, comprising: a conveying duct shaped for conveying a high velocity, conductive fluid; a magnetic field generator arranged to generate a magnetic field across the conveying duct, substantially perpendicular to the direction of travel of the fluid, such that the fluid passes through the magnetic field ( | 09-23-2010 |
20100237716 | MAGNETO-PLASMA-DYNAMIC GENERATOR AND METHOD OF OPERATING THE GENERATOR - A magnetoplasmadynamic (MPD) generator comprising a conveying duct ( | 09-23-2010 |
20110037325 | INTEGRATED ELECTRO-MAGNETOHYDRODYNAMIC MICROPUMPS AND METHODS FOR PUMPING FLUIDS - An integrated electro-magnetohydrodynamic pump may include a flow channel adapted to contain a fluid to be pumped and a plurality of electrodes positioned adjacent the flow channel. Voltage control means operatively associated with the plurality of electrodes applies a voltage potential on the plurality of electrodes. A plurality of magnets are also positioned adjacent the flow channel. Magnet control means operatively associated with the plurality of magnets changes magnetic fields produced by the plurality of magnets with respect to the flow channel. The voltage control means and the magnet control means are operable to pump fluid contained in the flow channel by an electro-osmotic flow process and by a magnetohydrodynamic flow process. | 02-17-2011 |
20110187207 | METHOD AND APPARATUS FOR MOTIONAL/VIBRATIONAL ENERGY HARVESTING VIA ELECTROMAGNETIC INDUCTION - A method and apparatus for motional/vibrational energy harvesting are disclosed. Embodiments of the subject invention utilize the non-resonant chaotic behavior of a free-rolling magnet to generate power. In one embodiment, the magnet can be spherical, cylindrical, or elliptical. The magnet can roll about a linear, cylindrical, helical, or cage-like track. The changing magnetic flux due to the magnet rolling about the track induces current in surrounding coils. The coils can be provided around the track using a continuous winding placement, segmented winding placement, or fractional winding placement. Multiple coil phases are also possible. For embodiments utilizing multiple magnets, spacers can be used to maintain a separation between magnets. | 08-04-2011 |
20110241448 | High Efficiency Magnetohydrodynamic Power Generation Using Ultra-High Magnetic Fields And Novel Cooling - A magnetohydrodynamic energy conversion device with an electrically conductive working fluid flowing through a conduit in a magnetic field has permanent magnets aligned for maximum field density for inducing an electric current in the fluid and a multistage cooling system for cryogenically cooling the magnets whereby heat is removed from the device at successive cooling stages having respective different coolants, e.g., water, liquid nitrogen and liquid helium, to maintain the magnets at temperatures low enough to produce high tesla magnetic flux densities in the presence of a high temperature working fluid. | 10-06-2011 |
20130076158 | Magnetic Fluid Power Generator Device - A device for converting thermal energy to electrical energy by moving magnetised ferrofluid or magnetic nanoparticle fluid through a specially-shaped hermetically sealed conduit coiled with insulated conducting wires. The moving fluid creates a changing magnetic flux through the coils. Usable current is generated in the induction circuit. The conduit carrying the magnetic fluid is coiled in a special shape around a shaped magnet or magnet assembly with plates. Convection currents occur in the fluid. | 03-28-2013 |
20130140917 | Method And Apparatus For Mechanical Energy Harvesting Using Combined Magnetic And Microfluidic Energy Generation - An energy harvesting system for converting mechanical energy into electrical energy uses an electrostatic arrangement based upon the interaction between conductive microfluidic droplets and dielectric-coated electrodes in combination with an electromagnetic arrangement based upon the interaction between magnetic elements and coils, with the two arrangements disposed in an interleaved configuration that provides a degree of synergy to the overall system in the form of providing spacings between adjacent elements and providing a bias voltage source for the electrostatic arrangement from the energy created by the electromagnetic arrangement. | 06-06-2013 |
20130293034 | ELECTRO-HYDRODYNAMIC WIND ENERGY SYSTEM - A system for electro-hydrodynamically extracting energy from wind includes an upstream collector that is biased at an electric potential and induces an electric field. An injector introduces a particle into the electric field. The wind drag on the particle is at least partially opposed by a force of the electric field on the particle. A sensor monitors an ambient atmospheric condition, and a controller changes a parameter of the injector in response to a change in the atmospheric condition. | 11-07-2013 |
20130334899 | ELECTRICAL GENERATION SYSTEMS AND METHODS - An apparatus and method for generating electricity are disclosed. A ferroliquid having magnetic dipoles is confined in a conduit which is endless and can have a spiral configuration. The conduit has an electric coil wrapped around it. A temperature difference and a first magnetic field are applied to the liquid, thereby both moving and aligning the dipoles of the ferroliquid. The aligned dipoles create a second magnetic field which interacts with the coil to generate an emf therein. | 12-19-2013 |
20140028117 | CHAOTIC VIBRATION ENERGY HARVESTER AND METHOD FOR CONTROLLING SAME - A chaotic vibration energy harvester includes a body forming a fluid chamber. At least one coil surrounds at least a portion of the fluid chamber. A ferromagnetic fluid is located within the fluid chamber. The ferromagnetic fluid occupies less than an entirety of the fluid chamber such that the ferromagnetic fluid forms a free floating mass that moves within the fluid chamber relative to the at least one coil. Movement of the body causes movement of the mass of ferromagnetic fluid relative to the at least one coil, which changes magnetic flux within a volume surrounded by the at least one coil and induces a current in the at least one coil. | 01-30-2014 |
20140097706 | XCL Power Producer - The XCL Power Producer works by moving molecules to said bodies and continues to move at uniform velocities acted upon vacuum pressures by force, which creates an acceleration of energy production. Produces 45,000 volts @ 300 amps every 4 minutes for a 14 year cycle, continually, as a main power source or back-up system. Clean, renewable, nonradioactive energy with zero emissions and few moving parts, installed at reduced footprints. This innovation of molecular energy has a capacitor, diploid magnetron technology, oscillator and photo cell, producing sign waves typically higher than alternating current technologies today, allowing the power to travel up to 1,891 miles. Due to its conservative use of oil and methane hydrate crystalline, it produces more energy at longer intervals, reducing costs of manufacturing, production, and consumption. Its production of negatively charged ions drives radioactive particulates out of our environment, including the body, within resonance fielding and reduces radiation pressure. | 04-10-2014 |
20140333154 | MULTISTAGE FERROFLUID SEALING APPARATUS FOR SUPERCONDUCTING ROTATING MACHINES - Disclosed is a multistage magnetic fluid sealing apparatus for superconducting rotating machines. According to the present invention, the magnetic fluid sealing apparatus, which is provided with a first magnetic fluid chamber and a second magnetic fluid chamber that are arranged in a multi-stage manner so as to contain a magnetic fluid capable of sealing the inner portion of a superconducting rotating machines, is installed on one surface of the superconducting rotating machines. The free magnetic fluid sealing apparatus of the invention configured to have a dual structure enables two to three fluid lines to be installed in the superconducting rotating machines. | 11-13-2014 |
20160065044 | Method And Apparatus For Mechanical Energy Harvesting Using Combined Magnetic And Microfluidic Energy Generation - An energy harvesting system for converting mechanical energy into electrical energy uses an electrostatic arrangement based upon the interaction between conductive microfluidic droplets and dielectric-coated electrodes in combination with an electromagnetic arrangement based upon the interaction between magnetic elements and coils, with the two arrangements disposed in an interleaved configuration that provides a degree of synergy to the overall system in the form of providing spacings between adjacent elements and providing a bias voltage source for the electrostatic arrangement from the energy created by the electromagnetic arrangement. | 03-03-2016 |
20160172954 | POWER PLANT COMBINING MAGNETOHYDRODYNAMIC GENERATOR AND GAS TURBINE | 06-16-2016 |
20160172955 | Fluid Ferfereh | 06-16-2016 |