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7227285 |
Autofocus actuator
An autofocus actuator is provided by which it is possible to easily confirm that a holder and a yoke do not make contact with each other even when the space between the holder and the yoke is made...
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7227439 |
Electrical short stroke linear actuator
An electrical short stroke actuator, comprising an annular filed collar and a composite plunger for travelling therethrough. In its simplest form, the plunger comprises two permanent magnets with...
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7218018 |
Actuator
An actuator includes a casing, a stationary member having a coil member and mounted in the casing and a movable member having a moving element and supported by the casing. The moving element has a...
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7215047 |
Linear motor and linear compressor including said motor
A linear motor and a linear compressor including said motor. The linear motor comprises a set of inner laminations ( 90 ), forming the stator, mounted around the outer circumference of a fixed...
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7205686 |
Linear actuator
A linear actuator has improved output performance and can be assembled with high precision. The linear actuator includes: a yoke part where yoke components, where a hollow is formed between an...
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7157814 |
Stator for reciprocating motor and manufacturing method thereof
Disclosed are a stator for a reciprocating motor and a manufacturing method thereof which are able to simplify assembling processes, to reduce assembling time, and thereby to improve productivity...
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7154198 |
Linear motor
In a linear motor having permanent magnets placed on a slider, the slider has slider blocks disposed in such a manner that relative positions between front ends of the slider blocks in a slider...
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7151332 |
Motor having reciprocating and rotating permanent magnets
A motor includes a rotor supported for rotation about an axis, at least one pair of rotor magnets spaced angularly about the axis and supported on the rotor, at least one reciprocating magnet, and...
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7148590 |
Polyphase sawyer motor forcer
An improved hybrid variable reluctance linear forcer design of the type known as a Sawyer motor forcer is provided with a 6-phase magnetic design. The 6-phase magnetic design has reduced force...
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7141897 |
Electric actuator expanded with sensor and electronic brake
An electric actuator that is capable of driving a motor in a cylindrical structure, such that the electric actuator itself can be expanded. The electric actuator includes: a motor for driving the...
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7135794 |
Spring support having a height-adjustable spring plate
Spring support having at least one axially moveable spring plate, an actuator with a rotor producing a rotational movement relative to its stator, which is converted into an axial movement of the...
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7133325 |
Apparatus and method for generating electrical power in a borehole
An apparatus and related method generate electrical power in a tubular housing, such as a drill collar, disposed in a borehole when drilling fluid flows through the tubular housing. The apparatus...
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7120995 |
Apparatus for mounting semiconductors
An apparatus for mounting semiconductors contains a bonding station, whereby the bonding station comprises a wafer table for presenting the semiconductor chips, a substrate table and a pick and...
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7116016 |
Linear actuator capable of low-speed driving
Disclosed herein is a simple, inexpensive linear actuator which is capable of controlling the displacement of the movable body by regulating the amount of electric energy applied without the...
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7111804 |
Device and apparatus with magnetic thread-guide for winding a thread onto cylindrical supports
Thread-guiding device for apparatus for winding a thread onto a support rotatable by associated actuating means, at least one element for receiving and guiding the thread to be wound, the element...
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7105957 |
Apparatus for fixing stator of reciprocating compressor
An apparatus for fixing a stator of a reciprocating motor includes: a frame fixedly installed in a case; a cylinder penetratingly inserted and coupled to the frame; a piston inserted in the...
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7102258 |
Manual electric generating device
The present invention discloses a manual electric generating device, which comprises an upper casing, a lower casing; a rotor, a fixed stand, a hollow cylinder, a coil for generating power supply;...
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7089043 |
Self-rechargeable portable telephone
A portable telephone includes a telephone body containing telephone circuitry, a rechargeable cell, and a power generation device having a magnet structure, a coil, and a rectifier for generating a...
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7078832 |
Linear motor, and linear compressor using the same
A linear motor of the present invention has: a stator having a stationary iron core and a magnet wire; a mover having a moving iron core and a magnet; and a plate-shaped elastic member for...
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7078833 |
Force motor with increased proportional stroke
The force motor of the present invention controls the local magnetic field through a uniquely designed mechanical structure of the internal components. The mechanical structure divides the magnetic...
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7075199 |
Reciprocating motor and reciprocating compressor having the same
Disclosed are a reciprocating motor and a reciprocating compressor having the same. The reciprocating motor comprises: an outer stator; an inner stator arranged at an inner circumferential surface...
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7075196 |
Integrated resolver for high pole count motors
An AC synchronous motor, also known as a stepper motor, uses its magnetics and drive coils to produce both motion and excitation for sets of position sensing coils. Each drive phase is equipped...
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7064461 |
Electromagnetic power device
The invention refers to an electromagnetic force device arranged to provide a force, a shock absorber with such a force device, a scale with such a force device, a sewing machine with such a force...
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7061144 |
Fuel injection valve having internal pipe
A pipe member of a fuel injection valve includes a magnetic pipe and a non-magnetic pipe in this order from the side of a jet nozzle plate. The non-magnetic pipe extends to the end of the fuel...
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7061145 |
Apparatus for fixing stator of reciprocating compressor
An apparatus for fixing a stator of a reciprocating compressor includes: a frame fixedly installed in a case; a cylinder penetratingly inserted and coupled to the frame; a piston inserted in the...
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7057312 |
Linear motor, and secondary for a linear motor
A secondary for a linear motor includes a body comprised of at least one secondary member for defining a guideway for a rotor of the linear motor and a cover including magnetizable material for the...
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7053507 |
Linear oscillating actuator system
A linear oscillating actuator system which is capable of canceling out the stator vibrations for driving a load with a minimum of vibrations. The system includes an oscillator carrying a permanent...
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7042119 |
Linear motor
A linear motor includes a row of permanent magnets fixed at a position above a stator, and a plurality of magnetic pole members fixed at a position below a movable member. The row of permanent...
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7038886 |
Positioner for precisely moving an E-block of a disk drive
A positioner ( 20 ) for a disk drive ( 10 ) that includes a magnet assembly ( 52 ), a conductor assembly ( 54 ), and a control system ( 22 ) is provided herein. The magnet assembly ( 52 ) includes...
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7030522 |
Exciter for directly vibrating board
An exciter for directly vibrating a board, which enables a sufficient rotational torque to be obtained by a work tool at the time of attachment or detachment, provided with a magnetic circuit unit...
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7026900 |
Magnetic motion device
A magnetic motion device is disclosed, wherein a permanent magnet slides back and forth along a pivoting rail due to the interaction between the slide's magnetic field, the magnetic fields produced...
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7015613 |
Linear electric motor
A linear electric motor, capable of producing reciprocation of a piston within a cylinder to compress refrigerant gas. The coil of the linear electric motor is mounted to the internal wall of a...
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7009315 |
Apparatus for converting vibration energy into electric power
An apparatus for converting vibration energy into electric power is provided, in which vibration of a power source is transmitted to a power-generating coil 14 , and is then transmitted to an iron...
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7001154 |
Apparatus for controlling a linear compressor and preventing the collision of a piston with a valve in the compressor
Disclosed herein is an apparatus and method for controlling a linear compressor. The linear compressor control apparatus has a collision detection unit, a control unit, and a compressor driving...
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6994530 |
Vibrating type compressor
A vibration type compressor related to the present invention, in which a compressor main body 3 is built into a gastight vessel 2 including a yoke 7 - 1, a magnetic path member 7 formed...
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6989609 |
Method and apparatus for supplying energy to sensors
An apparatus for supplying energy to a sensor co-moved with a wheel of a vehicle, which contains a generator co-moved with the wheel of the vehicle, the generator generating electrical energy from...
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6980072 |
Linear actuator, and pump and compressor devices using the actuator
A linear actuator has inner yokes, outer yokes forming gaps between themselves and the inner yokes, and a movable body provided with planar magnets in the gaps. Eight pieces each of the inner yokes...
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6975043 |
Pressurized gas to electrical energy conversion for low-power field devices
An industrial process field device with improved power generation is provided. The process device can be a process variable transmitter, process actuator, or any other suitable field device. The...
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6960067 |
Reciprocating compressor having an inner core with a scratch resistant intermediate member
A reciprocating compressor comprises an inside stator formed by piling a plurality of stator cores to have an actinomorphic cylinder shape, which is press-fitted to a frame, and a streak protection...
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6958553 |
Linear oscillator
A linear oscillator includes a reciprocating moving part, a case to contain the moving part, and an amplitude control spindle moveably supported in the case. The moving part and the amplitude...
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6956306 |
Linear actuator, and pump device and compressor device using the same
A linear actuator includes an inner yoke, an outer yoke and a coil for generating a magnetic field between the outer yoke and the inner yoke. The outer yoke includes a first facing portion facing...
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6952060 |
Electromagnetic linear generator and shock absorber
An electromagnetic linear generator and regenerative electromagnetic shock absorber is disclosed which converts variable frequency, repetitive intermittent linear displacement motion to useful...
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6949845 |
Planar motor
A planar motor permits a thinner design, controlled vibration, and highly accurate positioning by disposing X-axis and Y-axis coreless type linear motors on the same plane without using an...
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6936937 |
Linear electric generator having an improved magnet and coil structure, and method of manufacture
Linear electric generators include stationary windings and armature magnets arranged to reciprocate axially relative to the windings, or stationary magnet structures and movable windings arranged...
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6930411 |
Linear motor
An essentially iron-free linear motor for a sewing device or sewing machine produces and controls the pressure on the material being sewn by means of a drive rod, with a tubular housing, with at...
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6930848 |
Back EMF voltage transducer/generator to convert mechanical energy to electrical energy for use in small disk drives
A mobile host device configured to draw electrical energy from an energy storage device includes a disk drive. The disk drive includes a disk drive enclosure including a base, a spindle motor...
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6927475 |
Power generator and method for forming same
A power generator. The power generator includes a first substrate, a second substrate, a magnetic film, a first metal layer, a second metal layer and an electricity storage device. The second...
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6927505 |
Following stage planar motor
In electric motor assemblies, separating the x and y coils may achieve significant advantages. An advantageous design includes pairs of interacting magnet array/coil arrays. Separated coil arrays...
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6921991 |
Air-cooled coil unit of a linear motor
The present invention is directed to a coil unit of a single-acting linear engine. The coil unit includes an iron core with coils that are linked with the iron core by way of a cast compound...
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6914353 |
Linear motor, method for controlling the same, and linear compressor equipped with the same
A linear motor having a reduced size, and capable of being manufactured at reduced cost and having improved efficiency is provided. The linear motor includes a bobbin, a plurality of coil groups...
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