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8183722 |
Accessory drive system connected to an internal combustion engine
An accessory drive system which is capable of preventing the driving efficiency thereof from being lowered and achieving simplified construction, and reduction of the size and manufacturing costs....
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8169109 |
Electrical machine with dual radial airgaps
A switched reluctance machine has an array of poles attached to a stationary holding member to form a stator. The stator has no back-iron. The machine has two arrays of rotor poles, positioned on...
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8151745 |
Opposed piston electromagnetic engine
A converter converts mechanical energy of a piston to and from electrical energy during each piston cycle.
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8049376 |
Motor system with magnet for a vehicle fuel pump
A rotor for a brushless motor is resistant to degradation in alternative fuels and has desirable magnetic properties. A stator for a brushless DC motor includes coils wound both clockwise and...
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7969055 |
Rotary motor
The present invention relates to rotary motors in which the rotational motion of the motor is provided by the attractive (or repulsive) forces between a pair of cooperating magnets in response to...
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7834495 |
Electromagnetic rotary engine
An electromagnetic engine is disclosed which utilizes a plurality of rotors mounted on a common drive shaft. There are permanent magnets mounted on and near the periphery of the rotors....
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7816820 |
Compacted magnetic core with high resistance, manufacturing method thereof, and motor for electric car
A compacted magnetic core with a high resistance, which comprises compacted magnetic powder of an iron powder or an alloy powder containing iron as a main ingredient and a layer of a rare earth...
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7791233 |
High torque electric motor/flywheel
A high-torque electric motor having a rotor supported by an elongated torque arm comprising a pair of frustoconical-shaped support members. The rotor has a spherical-shaped outer surface and a...
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7724411 |
2-axis driving electromagnetic scanner
A 2-axis driving electromagnetic scanner, having a structure in which a mirror is separated from a driving unit and directly driven, is provided. The electromagnetic scanner includes: an outer...
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7696662 |
High resistance magnet and motor using the same
A magnet comprising grains of a ferromagnetic material whose main component is iron and a fluorine compound layer or an oxy-fluorine compound layer of fluoride compound particles of alkali metals,...
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7659680 |
Motor battery systems
A combined motor-battery system comprising an electric power source adapted to convert self-originating electrical current to mechanical power utilizing a set of common functional structures....
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7615975 |
Motor module having a deformable component that absorbs tolerances
A cable for supplying electric power to a motor is electrically connected to an inner conductor of a terminal block via a contact by a mating structure of a male connector and a female connector. A...
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7579745 |
Motor
A rotor is operable to rotate in a rotating direction, and is provided with five teeth that define five slots therebetween at regular intervals in the rotating direction. A pair of arc-shaped...
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7466044 |
Electro-magnetic circular engine
An electro-magnetic circular engine in which the motive force is electro-magnetism. The electro-magnetic circular engine comprises a hub assembly, first and second electro-magnetic wheels,...
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7453341 |
System and method for utilizing magnetic energy
The present invention is a system and method for utilizing magnetic energy. The basic principles of the present invention may be implemented in a variety of systems and methods. A magnet may be...
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7144468 |
Method of constructing a unitary amorphous metal component for an electric machine
A unitary amorphous metal magnetic component for an axial flux electric machine such as a motor or generator is formed from a spirally wound annular cylinder of ferromagnetic amorphous metal...
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7145308 |
Floating armature electric motor and method of assembly
An apparatus for converting electrical energy into mechanical energy includes a plurality of iron segments disposed in a circular, generally donut-shaped body that is substantially non-magnetic,...
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6974522 |
Method and apparatus for mounting a plurality of magnet segments on a back ring
A method and apparatus for assembling permanent magnet segments and a back ring wherein a fixture holds segments in circumaxially spaced relationship, adhesive is applied to the segments,...
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6942741 |
Iron alloy strip for voice coil motor magnetic circuits
An iron alloy strip having a gage of 0.1 to 5 mm and a magnetic field strength variation within the strip of 0 to 10 Hz, made of an iron alloy consisting essentially of, in % by weight,...
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6926454 |
Electromagnetic driving unit and light quantity regulating apparatus using the same
An electromagnetic driving unit includes a rotor having a central shaft and formed of a permanent magnet with a hollow cylindrical shape; an inner yoke disposed on an inner circumferential side of...
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6900560 |
Holdable multi-functional rotary device
The holdable multi-functional rotary device comprises a casing suitable to be held by users. The interior thereof is formed with a receiving space for arranging a driving unit and a battery. The...
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6867514 |
Permanent magnet motor
A motor providing unidirectional rotational motive power is provided. The motor has a generally circular stator with a stator axis, an outer surface, and a circumferential line of demarcation at...
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6868244 |
Image forming apparatus with reduced variation of rotation speed of image carrier
An image forming apparatus that reduces an influence of the variation of rotation speed of an image carrier, which is ascribable to, e.g., the eccentricity of a driven transmission member mounted...
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6800970 |
Motor and optical apparatus using the same
A motor includes a cylindrical magnet, first outer magnetic pole portions which are formed by gapping part of a cylinder from the distal end in the axial direction of the motor, and which oppose...
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6798093 |
Dual coil permanent magnet motor having inner annular member
A motor includes a cylindrical magnet, first outer magnetic pole portions which are formed by gapping part of a cylinder from the distal end in the axial direction of the motor, and which oppose...
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6744156 |
Stepping motor having a predetermined number of teeth corresponding to magnetically stable points per rotor rotation
There is disclosed a stepping motor capable of increasing assembling work efficiency when the tooth of the gear to be driven provided to a driven member is connected to the tooth of the output...
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6719463 |
Drive apparatus, light quantity adjusting apparatus, and lens drive apparatus
A feature of the present invention resides in that when a value of a ratio of a central angle of an outer magnetic pole portion to a central angle of each magnetized pole of a magnet portion is...
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6657335 |
Stepping motor and driving apparatus having separate position detection coil
A stepping motor which includes: exciting coils; a rotor provided with a plurality of N/S poles so as to rotate following a change of an excitation state of the exciting coils; and a detecting coil...
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6619304 |
Pressure chamber assembly including non-mechanical drive means
A pressure chamber assembly for processing a substrate includes a pressure vessel defining an enclosed pressure chamber. A substrate holder is disposed in the pressure chamber and is adapted to...
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6480465 |
AM transmitter having feed-forward correction to compensate for source impedance
An AM transmitter having feed forward correction to compensate for source impedance. A power supply source provides a DC operating voltage. N RF amplifiers are provided for amplifying an input...
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6437472 |
Apparatus for wireless transfer of power to a rotating element
A magnetic induction device having at least one secondary induction assembly including a secondary winding is mounted on a rotary element. A magnetic flux is induced the secondary induction...
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6396180 |
Control device using magnetic force to create force vector to control an object
A control device for an object includes a first wheel and a second wheel that rotate in opposite directions on a shaft affixed to a frame. The first and second wheels have openings to accept...
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6278210 |
Rotary element apparatus with wireless power transfer
The method and apparatus for supplying power to a rotary element by magnetic induction. A magnetic induction device having at least one secondary induction assembly including a secondary winding is...
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6252317 |
Electric motor with ring rotor passing through coils
An electric motor includes a plurality of coils through which passes a ring rotor having a plurality of magnets supported thereon. The magnets are arranged about the ring rotor to be equidistant...
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6144132 |
Permanent magnet motor
A permanent magnet motor is provided comprising a plurality of individual permanent magnets 7 threaded inside of a rotor, an N pole magnetic circuit commonly connected to N poles of the plurality...
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6139766 |
Oxide magnetic material, ferrite particle, sintered magnet, bonded magnet, magnetic recording medium and motor
The invention aims to provide a ferrite magnet having a high remanence and a high coercivity which are unachievable with prior art hexagonal ferrite magnets, by realizing a hexagonal ferrite whose...
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6084322 |
Amplifying mechanical energy with magnetomotive force
A magnetically operating device comprises a driven magnet having magnetically opposite poles which are separated, a driver magnet having magnetically opposite poles, and the magnets are mounted for...
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5946122 |
Rotating device and light beam deflecting apparatus
In a rotating device which comprises a rotor; a radial bearing; a lower thrust bearing; a dynamic pressure generating means, a radial bearing area (mm2) which is the area of the rotor facing the...
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5942818 |
Control apparatus for engine-driven permanent magnet type synchronous generators
This invention relates to a control apparatus for permanent magnet type generators, having a voltage control unit for controlling a voltage of a permanent magnet type generator driven by an...
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5925958 |
DC motor utilizing permanent magnets
A motor produces a rotary motion by synchronizing the attractive and repulsive magnetic interactions of magnetic fields. A stator magnetically interacts with a rotor, cycling through changes in...
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5892310 |
Torquer assembly
A torquer assembly is to exert torques about two mutually orthogonal axes on a platform which is mounted for universal movement about a central swivelling point. To this end, a stator having four...
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5739602 |
Method of and device using adhesively connected parts for preventing motor rotational imbalance caused by thermal expansion
The current invention is directed to a high-speed optical deflector which includes a brushless motor operating in a high-temperature environment. The brushless motor components include rotatable...
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5717259 |
Electromagnetic machine
A electromagnetic machine is provided. The machine has a rigid elongated hollow shell, open at both ends, which is bigger at its midsection than at either end. The shell is wrapped with a wire...
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5672924 |
Robots using modular direct drive motors
A direct drive robot motor may be used for the arms, legs, eyes and fingers of a robot. The motor comprises a rotor, having a permanent magnet, and a tubular arm portion, which is integral with the...
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5621258 |
Toy motor with partial coil rotor
A toy motor includes a partial coil rotor, a permanent magnet, a commutator, and has a battery as its base. The rotor winding, rotor shaft, and commutator are all incorporated into a single-wire...
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5557152 |
2-Pole single or dual coil moving magnet motor with moving back iron
A moving magnet electromagnetic motor wherein the moving magnet is attached to, and moves integrally with, the back iron flux return path portion. The preferred embodiment utilizes a two-pole fixed...
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5473913 |
Warp knitting machine having electrically activated drive arrangement
A warp knitting machine having a main shaft has at least one bar mounted to reciprocate in accordance with a predetermined schedule. The machine also has an electrically activated drive arrangement...
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5397948 |
Magnetic motor with temperature related activation
A magnetic motor is shown having magnetic members situated in relatively close proximity to each other; relative movement between the magnetic members is brought about by bringing the temperature...
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5307001 |
Battery charging method and apparatus
A battery charger employing the gassing point of a lead-acid battery to determine the end of charge time and voltage. A charging level sensor takes two voltage samples of a predetermined time...
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5233251 |
Electric motor with non-radial magnetic drive system
A D.C. motor includes a rotor and a stator with chordally oriented electromagnetic units, with windings pulse energized to establish a rotary force on the rotor as a result of the non-radial...
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