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7608967 |
Single field rotor motor
A single field rotor motor comprising a rotor mounted for rotation with respect to a stator. The stator has a plurality of stator poles each having a coil for creating a magnetic pole force. The...
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7514832 |
Single field rotor motor
An electric motor having a single field rotor wherein the flux within the rotor is generated by magnetic means located at the end regions of the motor housing such that the flux within the motor...
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7463914 |
Superconducting acyclic homopolar electromechanical power converter
An acyclic homopolar electromechanical power converter that uses superconducting series connected rotor elements for series summation of magnetomotive and electromotive force. The novel rotor...
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7459823 |
Resonant unipolar generator
An AC unipolar generator provides high power at high frequencies without requiring a source of high-frequency mechanical power. A rotor having a plurality of spaced magnetic disks and two sets of...
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7425772 |
Electric power generating system using ring-shaped generators
Electric power generator system using ring-shaped generators and essentially being formed of turbines and generators, and optionally converging-diverging nozzles. The turbines may optionally have...
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7382072 |
Generator
An efficient and reconfigurable permanent magnet generator that comprises a permanent magnet subassembly and at least one exciter is disclosed. The permanent magnet generator may comprise a...
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7371052 |
Embedded fluid mixing device using a homopolar motor
A fluid displacement device ( 100 ) having a homopolar motor ( 110 ). The homopolar motor includes a rotatable disk ( 115 ) with at least one fluid displacement structure ( 120 ) disposed thereon....
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7362026 |
Homopolar multi-frames (cylinders) generator-motor
An improved homopolar motor-generator having a hollow rotor, or a plurality of nested hollow rotors connected in series, with one magnetic pole of the stator located inside the rotor. This enables...
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7352073 |
Ocean wave energy converter having an improved generator and ballast control
The ocean wave energy converter uniquely includes a generator with a rotating inner rotor surrounded by a counter-rotating outer rotor for generating electricity. A reciprocating drive rod drives...
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7148600 |
Electrical current transferring and brush pressure exerting interlocking slip ring assembly
An annular stator holder within a homopolar motor housing is positioned within magnetic fields established by magnet coils positioned in surrounding relation to brushes in sliding contact with the...
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7049724 |
Superconducting rotating machines with stationary field coils and axial airgap flux
A machine, such as a motor or generator, includes a rotatable rotor assembly comprising a plurality of salient poles and a stationary stator assembly comprising a superconducting field coil. The...
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7026738 |
Quad shaft contrarotating homopolar motor
A homopolar motor features radially inner and outer pairs of axially aligned rotor drums to which axially aligned drive shafts are respectively connected and extend therefrom through an outer motor...
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6940200 |
Electric drive
The invention refers to magnetoelectric machines and comprises a rotor made in the form of at least two disks, the magnetized disks have circumferential arrayed like poles and an axially magnetized...
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6912773 |
Method of forming a winding disc for an axial field electrical machine
The invention provides a stator coil construction in which the thickness of the stator windings is reduced without the need for interconnections within the stator. The reduction in thickness of the...
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6891302 |
Light-weight high-power electrical machine
A brushless electrical machine, usable as a motor, generator, or alternator, has a rotor that is comprised of a rim portion and a substantially open center portion. The rim portion has a partially...
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6873078 |
Homopolar machine with improved brush lifetime
A homopolar machine which exhibits reduced wear and prolonged brush life. Current collectors or brushes are mounted so as to maintain substantially constant contact pressure and so that all of them...
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6856062 |
Homopolar machine with shaft axial thrust compensation for reduced thrust bearing wear and noise
A homopolar machine produces an axial counter force on the rotating shaft to compensate for the load on the shaft's thrust bearing to reduce wear and noise and prolong bearing life. The counter...
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6849984 |
Magnetically driven wheel for use in radial/rotary propulsion system having an energy recovery feature
The radial/rotary propulsion system of the present invention features a flywheel having concentric rings of permanent magnets attached to one or both sides. These permanent magnets interact with DC...
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6833645 |
Micro-electromechanical voltage converter
The invention concerns a method and device for using a homopolar machine to convert a first DC voltage to a second DC voltage. According to the method, the invention can include the steps of...
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6822361 |
Orbiting multi-rotor homopolar system
An orbiting multi-rotor homopolar machine employs axially parallel, cylindrical, electrically conductive magnets arranged circumferentially around vertical axis of central stator ring, intimately...
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6770997 |
Micro-electromechanical energy storage device
A micro-electromechanical homopolar generator on a substrate and a method of manufacturing the same. The micro-electromechanical homopolar generator includes first substrate layer having an axial...
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6756708 |
Electronic circuit incorporating a micro-electromechanical energy storage device
A compact high current source including a homopolar generator integrally formed on a substrate. An electronic circuit also can be disposed on the substrate, homopolar generator on a single...
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6750588 |
High performance axial gap alternator motor
A brushless electrical machine for converting between electrical and mechanical energy includes a rotor supported on bearings for rotation about an axis of rotation, and a stator that is stationary...
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6664693 |
Fuel cell powered electrical motor
The fuel cell powered electrical motor comprises an electrical motor and a plurality of fuel cell stacks. The electrical motor includes a shaft assembly, a stator encircling the shaft assembly, a...
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6664691 |
Filter circuit incorporating a micro-electromechanical capacitor
A method for filtering an electrical signal. The invention includes the steps of rotating a conductive disc ( 105 ) about an axis ( 135 ), applying a magnetic field ( 205 ) to the conductive disc (...
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6628033 |
Reduction of induced magnetic forces on current collectors in homopolar machines having high magnetic fields
A homopolar machine produces an axial counterforce on the rotating shaft to compensate for the load on the shaft's thrust bearing to reduce wear and noise and prolong bearing life. The counterforce...
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6617738 |
Electrical power generation system utilizing an electrically superconductive coil
In a preferred embodiment, the invention comprises an apparatus for generating electrical power which utilizes an electrically superconductive coil immersed in a cryogenic fluid for generating a...
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6603233 |
Electrical generator
An improved voltage unipolar generator utilizing a pair of electrically interconnected, counter-rotating, circumferentially segmented, conductive disks. Rolling contacts such as conductive balls or...
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6580191 |
Fuel cell powered magnetically driven shaft assembly
A fuel cell powered magnetically driven shaft assembly comprises: (a) a stationary fuel cell stack having a hollow core; (b) an electrically conductive sleeve lining the hollow core so as to define...
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6515391 |
Electricity generator with counter-rotating collectors in a radial magnetic field
An electricity generator is disclosed having electrically conductive, counter-rotating collectors arranged coaxially with a magnetic field extending radially from an axis of rotation. The...
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6515390 |
Electric drive apparatus with a rotor having two magnetizied disks
The invention refers to magnetoelectric machines. It can be used when manufacturing different-purpose electric drives—for instance, in fans, compressors, electromobile's wheels, and so forth. It...
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6483219 |
Electric motor
A DC machine for use as a DC motor ( 10 ) or generator, comprising an outer casing ( 100 ), and a rotor ( 200 ) comprising a central shaft ( 220 ) and at least one cylindrical permanent magnet (...
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6313555 |
Low loss pole configuration for multi-pole homopolar magnetic bearings
A new pole configuration for multi-pole homopolar bearings proposed in this invention reduces rotational losses caused by eddy-currents generated when non-uniform flux distributions exist along the...
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6236127 |
Flywheel energy accummulator
In a flywheel energy accumulator including, in a vacuum-tight housing, a vertical shaft with a rotor of an electric motor/generator arranged in the axial center of the shaft and flywheels mounted...
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6191517 |
Brushless synchronous rotary electrical machine
A brushless synchronous electrical machine includes a rotor rotating about a rotor axis, and a stator that includes at least one set of magnetically active stator cores projecting radially outward...
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6166472 |
Airgap armature coils and electric machines using same
A flywheel energy conversion device provides highly efficient conversion between kinetic and electrical energy. The flywheel produces increased output by providing armature coils in an air gap...
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6087753 |
High-efficiency inductor-alternator
An inductor-alternator provides highly efficient conversion between mechanical and electrical energy. The inductor-alternator produces increased output by providing armature coils in a single air...
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6054789 |
Cylindrical permanent magnet magic ring electric motor and generator
An electric motor or generator having a permanent magnet cylinder or stator comprised of a plurality of sections with each section having a predetened magnetic orientation so as to create a...
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6051905 |
Homopolar generator
An electrical homopolar capacitor generator includes a set of stacked dielectric plates and conductive plates arranged in a magnetic field, with at least one of the dielectric plates is rotated...
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6049150 |
Flywheel with electrically controlled input and output
An efficient and light weight energy storage and retrieval flywheel is described. Two monopolar motor-generators are assembled in a single rotating magnetic cylinder. The ends of the cylinder are...
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6043577 |
Flywheel energy accumulator
In a flywheel energy accumulator comprising a vertical shaft rotatably supported in a vacuum housing by superconduct ive magnetic axial support bearings, lower and upper flywheels are mounted on...
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6011337 |
Double-sided, non-iron core, brushless, axial magnetic field permanent-magnet type DC motor
A double-sided, non-iron core, brushless, axial magnetic field permanent-magnet type DC motor includes a shaft, two electromagnet units parallelly mounted on the shaft, and a permanent magnet unit...
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6005322 |
Integrated fuel cell electric motor
This invention relates to a novel design of electric motor wherein a fuel cell with an electrical output is integrated with a cylindrical type monopole (homopole) electric DC motor. Power is...
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6002189 |
Stator core and wire winding method for the same
A stator core has 3N salient poles arranged circularly where N is a natural number of four or more but except a multiple of three. Coils are formed around the salient poles where winding directions...
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5977684 |
Rotating machine configurable as true DC generator or motor
A rotating machine configurable as a pure DC generator for use in various applications, including recharging batteries in battery operated portable devices. The generator consists of a pair of...
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5969457 |
Energy storage flywheel apparatus and methods
A flywheel energy conversion device provides highly efficient conversion between kinetic and electrical energy. The flywheel produces increased output by providing armature coils in an air gap...
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5942829 |
Hybrid electrical machine including homopolar rotor and stator therefor
An electrical machine includes both a permanent magnet source of field excitation and an electromagnetic source of field excitation. The electrical machine also includes a homopolar rotor, which...
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5929548 |
High inertia inductor-alternator
A high inertia inductor-alternator energy storage device provides backup energy in a simple, compact device. The inductor-alternator stores an acceptable level of energy via an improved rotor that...
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5920138 |
Motor/generator and axial magnetic bearing utilizing common magnetic circuit
A flywheel energy conversion device provides highly efficient conversion between kinetic and electrical energy. The flywheel produces increased output by providing armature coils in an air gap...
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5917261 |
Motive power generating apparatus utilizing energy of permanent magnet
A motive power generating apparatus utilizing magnetic flux from permanent magnets providing higher efficiency and torque is disclosed. An apparatus according to one embodiment of the present...
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